diff --git a/backend/goglbackend/clip.go b/backend/goglbackend/clip.go deleted file mode 100644 index 194d105..0000000 --- a/backend/goglbackend/clip.go +++ /dev/null @@ -1,77 +0,0 @@ -package goglbackend - -import ( - "unsafe" - - "github.com/tfriedel6/canvas/backend/backendbase" - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -func (b *GoGLBackend) ClearClip() { - b.activate() - - gl.StencilMask(0xFF) - gl.Clear(gl.STENCIL_BUFFER_BIT) -} - -func (b *GoGLBackend) Clip(pts []backendbase.Vec) { - b.activate() - - b.ptsBuf = b.ptsBuf[:0] - b.ptsBuf = append(b.ptsBuf, - 0, 0, - 0, float32(b.fh), - float32(b.fw), float32(b.fh), - float32(b.fw), 0) - for _, pt := range pts { - b.ptsBuf = append(b.ptsBuf, float32(pt[0]), float32(pt[1])) - } - - mode := uint32(gl.TRIANGLES) - if len(pts) == 4 { - mode = gl.TRIANGLE_FAN - } - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - gl.BufferData(gl.ARRAY_BUFFER, len(b.ptsBuf)*4, unsafe.Pointer(&b.ptsBuf[0]), gl.STREAM_DRAW) - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, nil) - - gl.UseProgram(b.shd.ID) - gl.Uniform4f(b.shd.Color, 1, 1, 1, 1) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &mat3identity[0]) - gl.Uniform1f(b.shd.GlobalAlpha, 1) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncSolid) - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - - gl.ColorMask(false, false, false, false) - - // set bit 2 in the stencil buffer in the given shape - gl.StencilMask(0x04) - gl.StencilFunc(gl.ALWAYS, 4, 0) - gl.StencilOp(gl.REPLACE, gl.REPLACE, gl.REPLACE) - gl.DrawArrays(mode, 4, int32(len(pts))) - - // on entire screen, where neither bit 1 or 2 are set, invert bit 1 - gl.StencilMask(0x02) - gl.StencilFunc(gl.EQUAL, 0, 0x06) - gl.StencilOp(gl.KEEP, gl.INVERT, gl.INVERT) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - - // on entire screen, clear bit 2 - gl.StencilMask(0x04) - gl.StencilFunc(gl.ALWAYS, 0, 0) - gl.StencilOp(gl.ZERO, gl.ZERO, gl.ZERO) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.ColorMask(true, true, true, true) - gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP) - gl.StencilMask(0xFF) - gl.StencilFunc(gl.EQUAL, 0, 0xFF) -} diff --git a/backend/goglbackend/fill.go b/backend/goglbackend/fill.go deleted file mode 100644 index 4d614fd..0000000 --- a/backend/goglbackend/fill.go +++ /dev/null @@ -1,339 +0,0 @@ -package goglbackend - -import ( - "image" - "math" - "unsafe" - - "github.com/tfriedel6/canvas/backend/backendbase" - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -func (b *GoGLBackend) Clear(pts [4]backendbase.Vec) { - b.activate() - - // first check if the four points are aligned to form a nice rectangle, which can be more easily - // cleared using glScissor and glClear - aligned := pts[0][0] == pts[1][0] && pts[2][0] == pts[3][0] && pts[0][1] == pts[3][1] && pts[1][1] == pts[2][1] - if !aligned { - aligned = pts[0][0] == pts[3][0] && pts[1][0] == pts[2][0] && pts[0][1] == pts[1][1] && pts[2][1] == pts[3][1] - } - if aligned { - minX := math.Floor(math.Min(pts[0][0], pts[2][0])) - maxX := math.Ceil(math.Max(pts[0][0], pts[2][0])) - minY := math.Floor(math.Min(pts[0][1], pts[2][1])) - maxY := math.Ceil(math.Max(pts[0][1], pts[2][1])) - b.clearRect(int(minX), int(minY), int(maxX)-int(minX), int(maxY)-int(minY)) - return - } - - data := [8]float32{ - float32(pts[0][0]), float32(pts[0][1]), - float32(pts[1][0]), float32(pts[1][1]), - float32(pts[2][0]), float32(pts[2][1]), - float32(pts[3][0]), float32(pts[3][1])} - - gl.UseProgram(b.shd.ID) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &mat3identity[0]) - gl.Uniform4f(b.shd.Color, 0, 0, 0, 0) - gl.Uniform1f(b.shd.GlobalAlpha, 1) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncSolid) - - gl.Disable(gl.BLEND) - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - gl.BufferData(gl.ARRAY_BUFFER, len(data)*4, unsafe.Pointer(&data[0]), gl.STREAM_DRAW) - - gl.StencilFunc(gl.EQUAL, 0, 0xFF) - - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, nil) - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.StencilFunc(gl.ALWAYS, 0, 0xFF) - - gl.Enable(gl.BLEND) -} - -func (b *GoGLBackend) clearRect(x, y, w, h int) { - gl.Enable(gl.SCISSOR_TEST) - - var box [4]int32 - gl.GetIntegerv(gl.SCISSOR_BOX, &box[0]) - - gl.Scissor(int32(x), int32(b.h-y-h), int32(w), int32(h)) - gl.ClearColor(0, 0, 0, 0) - gl.Clear(gl.COLOR_BUFFER_BIT) - gl.Scissor(box[0], box[1], box[2], box[3]) - - gl.Disable(gl.SCISSOR_TEST) -} - -func extent(pts []backendbase.Vec) (min, max backendbase.Vec) { - max[0] = -math.MaxFloat64 - max[1] = -math.MaxFloat64 - min[0] = math.MaxFloat64 - min[1] = math.MaxFloat64 - for _, v := range pts { - min[0] = math.Min(min[0], v[0]) - min[1] = math.Min(min[1], v[1]) - max[0] = math.Max(max[0], v[0]) - max[1] = math.Max(max[1], v[1]) - } - return -} - -func (b *GoGLBackend) Fill(style *backendbase.FillStyle, pts []backendbase.Vec, tf backendbase.Mat, canOverlap bool) { - b.activate() - - if style.Blur > 0 { - b.offscr1.alpha = true - b.enableTextureRenderTarget(&b.offscr1) - gl.ClearColor(0, 0, 0, 0) - gl.Clear(gl.COLOR_BUFFER_BIT | gl.STENCIL_BUFFER_BIT) - } - - b.ptsBuf = b.ptsBuf[:0] - min, max := extent(pts) - b.ptsBuf = append(b.ptsBuf, - float32(min[0]), float32(min[1]), - float32(min[0]), float32(max[1]), - float32(max[0]), float32(max[1]), - float32(max[0]), float32(min[1])) - for _, pt := range pts { - b.ptsBuf = append(b.ptsBuf, float32(pt[0]), float32(pt[1])) - } - - mode := uint32(gl.TRIANGLES) - if len(pts) == 4 { - mode = gl.TRIANGLE_FAN - } - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - gl.BufferData(gl.ARRAY_BUFFER, len(b.ptsBuf)*4, unsafe.Pointer(&b.ptsBuf[0]), gl.STREAM_DRAW) - - if !canOverlap || style.Color.A >= 255 { - vertex, _ := b.useShader(style, mat3(tf), false, 0) - - gl.StencilFunc(gl.EQUAL, 0, 0xFF) - gl.EnableVertexAttribArray(vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.VertexAttribPointer(vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, nil) - gl.DrawArrays(mode, 4, int32(len(pts))) - gl.DisableVertexAttribArray(vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - gl.StencilFunc(gl.ALWAYS, 0, 0xFF) - } else { - gl.ColorMask(false, false, false, false) - gl.StencilFunc(gl.ALWAYS, 1, 0xFF) - gl.StencilOp(gl.REPLACE, gl.REPLACE, gl.REPLACE) - gl.StencilMask(0x01) - - gl.UseProgram(b.shd.ID) - gl.Uniform4f(b.shd.Color, 0, 0, 0, 0) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - m3 := mat3(tf) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &m3[0]) - gl.Uniform1f(b.shd.GlobalAlpha, 1) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncSolid) - - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, nil) - gl.DrawArrays(mode, 4, int32(len(pts))) - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.ColorMask(true, true, true, true) - - gl.StencilFunc(gl.EQUAL, 1, 0xFF) - - vertex, _ := b.useShader(style, mat3identity, false, 0) - gl.EnableVertexAttribArray(vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.VertexAttribPointer(vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, nil) - - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - gl.DisableVertexAttribArray(vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP) - gl.StencilFunc(gl.ALWAYS, 0, 0xFF) - - gl.Clear(gl.STENCIL_BUFFER_BIT) - gl.StencilMask(0xFF) - } - - if style.Blur > 0 { - b.drawBlurred(style.Blur, min, max) - } -} - -func (b *GoGLBackend) FillImageMask(style *backendbase.FillStyle, mask *image.Alpha, pts [4]backendbase.Vec) { - b.activate() - - w, h := mask.Rect.Dx(), mask.Rect.Dy() - - gl.ActiveTexture(gl.TEXTURE1) - gl.BindTexture(gl.TEXTURE_2D, b.alphaTex) - gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(mask.Stride), int32(h), gl.ALPHA, gl.UNSIGNED_BYTE, gl.Ptr(&mask.Pix[0])) - if w < alphaTexSize { - gl.TexSubImage2D(gl.TEXTURE_2D, 0, int32(w), 0, 1, int32(h), gl.ALPHA, gl.UNSIGNED_BYTE, gl.Ptr(&zeroes[0])) - } - if h < alphaTexSize { - gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, int32(h), int32(w), 1, gl.ALPHA, gl.UNSIGNED_BYTE, gl.Ptr(&zeroes[0])) - } - - if style.Blur > 0 { - b.offscr1.alpha = true - b.enableTextureRenderTarget(&b.offscr1) - gl.ClearColor(0, 0, 0, 0) - gl.Clear(gl.COLOR_BUFFER_BIT | gl.STENCIL_BUFFER_BIT) - } - - gl.StencilFunc(gl.EQUAL, 0, 0xFF) - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - - vertex, alphaTexCoord := b.useShader(style, mat3identity, true, 1) - - gl.EnableVertexAttribArray(vertex) - gl.EnableVertexAttribArray(alphaTexCoord) - - tw := float64(w) / alphaTexSize - th := float64(h) / alphaTexSize - var buf [16]float32 - data := buf[:0] - for _, pt := range pts { - data = append(data, float32(math.Round(pt[0])), float32(math.Round(pt[1]))) - } - data = append(data, 0, 0, 0, float32(th), float32(tw), float32(th), float32(tw), 0) - - gl.BufferData(gl.ARRAY_BUFFER, len(data)*4, unsafe.Pointer(&data[0]), gl.STREAM_DRAW) - - gl.VertexAttribPointer(vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(alphaTexCoord, 2, gl.FLOAT, false, 0, gl.PtrOffset(8*4)) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - - gl.DisableVertexAttribArray(vertex) - gl.DisableVertexAttribArray(alphaTexCoord) - - gl.ActiveTexture(gl.TEXTURE1) - gl.BindTexture(gl.TEXTURE_2D, b.alphaTex) - - gl.StencilFunc(gl.ALWAYS, 0, 0xFF) - - gl.ActiveTexture(gl.TEXTURE0) - - if style.Blur > 0 { - min, max := extent(pts[:]) - b.drawBlurred(style.Blur, min, max) - } -} - -func (b *GoGLBackend) drawBlurred(size float64, min, max backendbase.Vec) { - b.offscr1.alpha = true - b.offscr2.alpha = true - - // calculate box blur size - fsize := math.Max(1, math.Floor(size)) - sizea := int(fsize) - sizeb := sizea - sizec := sizea - if size-fsize > 0.333333333 { - sizeb++ - } - if size-fsize > 0.666666666 { - sizec++ - } - - min[0] -= fsize * 3 - min[1] -= fsize * 3 - max[0] += fsize * 3 - max[1] += fsize * 3 - min[0] = math.Max(0.0, math.Min(b.fw, min[0])) - min[1] = math.Max(0.0, math.Min(b.fh, min[1])) - max[0] = math.Max(0.0, math.Min(b.fw, max[0])) - max[1] = math.Max(0.0, math.Min(b.fh, max[1])) - - gl.BindBuffer(gl.ARRAY_BUFFER, b.shadowBuf) - data := [16]float32{ - float32(min[0]), float32(min[1]), - float32(min[0]), float32(max[1]), - float32(max[0]), float32(max[1]), - float32(max[0]), float32(min[1]), - float32(min[0] / b.fw), 1 - float32(min[1]/b.fh), - float32(min[0] / b.fw), 1 - float32(max[1]/b.fh), - float32(max[0] / b.fw), 1 - float32(max[1]/b.fh), - float32(max[0] / b.fw), 1 - float32(min[1]/b.fh), - } - gl.BufferData(gl.ARRAY_BUFFER, len(data)*4, unsafe.Pointer(&data[0]), gl.STREAM_DRAW) - - gl.UseProgram(b.shd.ID) - gl.Uniform1i(b.shd.Image, 0) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &mat3identity[0]) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncBoxBlur) - - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, gl.PtrOffset(8*4)) - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - - gl.Disable(gl.BLEND) - - gl.ActiveTexture(gl.TEXTURE0) - - gl.ClearColor(0, 0, 0, 0) - - b.enableTextureRenderTarget(&b.offscr2) - gl.BindTexture(gl.TEXTURE_2D, b.offscr1.tex) - gl.Clear(gl.COLOR_BUFFER_BIT | gl.STENCIL_BUFFER_BIT) - b.box3(sizea, 0, false) - b.enableTextureRenderTarget(&b.offscr1) - gl.BindTexture(gl.TEXTURE_2D, b.offscr2.tex) - b.box3(sizeb, -0.5, false) - b.enableTextureRenderTarget(&b.offscr2) - gl.BindTexture(gl.TEXTURE_2D, b.offscr1.tex) - b.box3(sizec, 0, false) - b.enableTextureRenderTarget(&b.offscr1) - gl.BindTexture(gl.TEXTURE_2D, b.offscr2.tex) - b.box3(sizea, 0, true) - b.enableTextureRenderTarget(&b.offscr2) - gl.BindTexture(gl.TEXTURE_2D, b.offscr1.tex) - b.box3(sizeb, -0.5, true) - gl.Enable(gl.BLEND) - gl.BlendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA) - b.disableTextureRenderTarget() - gl.BindTexture(gl.TEXTURE_2D, b.offscr2.tex) - b.box3(sizec, 0, true) - - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) -} - -func (b *GoGLBackend) box3(size int, offset float32, vertical bool) { - gl.Uniform1i(b.shd.BoxSize, int32(size)) - if vertical { - gl.Uniform1i(b.shd.BoxVertical, 1) - gl.Uniform1f(b.shd.BoxScale, 1/float32(b.fh)) - } else { - gl.Uniform1i(b.shd.BoxVertical, 0) - gl.Uniform1f(b.shd.BoxScale, 1/float32(b.fw)) - } - gl.Uniform1f(b.shd.BoxOffset, offset) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) -} diff --git a/backend/goglbackend/gl/conversions.go b/backend/goglbackend/gl/conversions.go deleted file mode 100644 index 0bad423..0000000 --- a/backend/goglbackend/gl/conversions.go +++ /dev/null @@ -1,109 +0,0 @@ -// Code generated by glow (https://github.com/go-gl/glow). DO NOT EDIT. - -package gl - -import ( - "fmt" - "reflect" - "strings" - "unsafe" -) - -// #include -import "C" - -// Ptr takes a slice or pointer (to a singular scalar value or the first -// element of an array or slice) and returns its GL-compatible address. -// -// For example: -// -// var data []uint8 -// ... -// gl.TexImage2D(gl.TEXTURE_2D, ..., gl.UNSIGNED_BYTE, gl.Ptr(&data[0])) -func Ptr(data interface{}) unsafe.Pointer { - if data == nil { - return unsafe.Pointer(nil) - } - var addr unsafe.Pointer - v := reflect.ValueOf(data) - switch v.Type().Kind() { - case reflect.Ptr: - e := v.Elem() - switch e.Kind() { - case - reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, - reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, - reflect.Float32, reflect.Float64: - addr = unsafe.Pointer(e.UnsafeAddr()) - default: - panic(fmt.Errorf("unsupported pointer to type %s; must be a slice or pointer to a singular scalar value or the first element of an array or slice", e.Kind())) - } - case reflect.Uintptr: - addr = unsafe.Pointer(v.Pointer()) - case reflect.Slice: - addr = unsafe.Pointer(v.Index(0).UnsafeAddr()) - default: - panic(fmt.Errorf("unsupported type %s; must be a slice or pointer to a singular scalar value or the first element of an array or slice", v.Type())) - } - return addr -} - -// PtrOffset takes a pointer offset and returns a GL-compatible pointer. -// Useful for functions such as glVertexAttribPointer that take pointer -// parameters indicating an offset rather than an absolute memory address. -func PtrOffset(offset int) unsafe.Pointer { - return unsafe.Pointer(uintptr(offset)) -} - -// Str takes a null-terminated Go string and returns its GL-compatible address. -// This function reaches into Go string storage in an unsafe way so the caller -// must ensure the string is not garbage collected. -func Str(str string) *uint8 { - if !strings.HasSuffix(str, "\x00") { - panic("str argument missing null terminator: " + str) - } - header := (*reflect.StringHeader)(unsafe.Pointer(&str)) - return (*uint8)(unsafe.Pointer(header.Data)) -} - -// GoStr takes a null-terminated string returned by OpenGL and constructs a -// corresponding Go string. -func GoStr(cstr *uint8) string { - return C.GoString((*C.char)(unsafe.Pointer(cstr))) -} - -// Strs takes a list of Go strings (with or without null-termination) and -// returns their C counterpart. -// -// The returned free function must be called once you are done using the strings -// in order to free the memory. -// -// If no strings are provided as a parameter this function will panic. -func Strs(strs ...string) (cstrs **uint8, free func()) { - if len(strs) == 0 { - panic("Strs: expected at least 1 string") - } - - // Allocate a contiguous array large enough to hold all the strings' contents. - n := 0 - for i := range strs { - n += len(strs[i]) - } - data := C.malloc(C.size_t(n)) - - // Copy all the strings into data. - dataSlice := *(*[]byte)(unsafe.Pointer(&reflect.SliceHeader{ - Data: uintptr(data), - Len: n, - Cap: n, - })) - css := make([]*uint8, len(strs)) // Populated with pointers to each string. - offset := 0 - for i := range strs { - copy(dataSlice[offset:offset+len(strs[i])], strs[i][:]) // Copy strs[i] into proper data location. - css[i] = (*uint8)(unsafe.Pointer(&dataSlice[offset])) // Set a pointer to it. - offset += len(strs[i]) - } - - return (**uint8)(&css[0]), func() { C.free(data) } -} diff --git a/backend/goglbackend/gl/khrplatform.h b/backend/goglbackend/gl/khrplatform.h deleted file mode 100644 index db80a18..0000000 --- a/backend/goglbackend/gl/khrplatform.h +++ /dev/null @@ -1,282 +0,0 @@ -#ifndef __khrplatform_h_ -#define __khrplatform_h_ - -/* -** Copyright (c) 2008-2009 The Khronos Group Inc. -** -** Permission is hereby granted, free of charge, to any person obtaining a -** copy of this software and/or associated documentation files (the -** "Materials"), to deal in the Materials without restriction, including -** without limitation the rights to use, copy, modify, merge, publish, -** distribute, sublicense, and/or sell copies of the Materials, and to -** permit persons to whom the Materials are furnished to do so, subject to -** the following conditions: -** -** The above copyright notice and this permission notice shall be included -** in all copies or substantial portions of the Materials. -** -** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. -*/ - -/* Khronos platform-specific types and definitions. - * - * $Revision: 23298 $ on $Date: 2013-09-30 17:07:13 -0700 (Mon, 30 Sep 2013) $ - * - * Adopters may modify this file to suit their platform. Adopters are - * encouraged to submit platform specific modifications to the Khronos - * group so that they can be included in future versions of this file. - * Please submit changes by sending them to the public Khronos Bugzilla - * (http://khronos.org/bugzilla) by filing a bug against product - * "Khronos (general)" component "Registry". - * - * A predefined template which fills in some of the bug fields can be - * reached using http://tinyurl.com/khrplatform-h-bugreport, but you - * must create a Bugzilla login first. - * - * - * See the Implementer's Guidelines for information about where this file - * should be located on your system and for more details of its use: - * http://www.khronos.org/registry/implementers_guide.pdf - * - * This file should be included as - * #include - * by Khronos client API header files that use its types and defines. - * - * The types in khrplatform.h should only be used to define API-specific types. - * - * Types defined in khrplatform.h: - * khronos_int8_t signed 8 bit - * khronos_uint8_t unsigned 8 bit - * khronos_int16_t signed 16 bit - * khronos_uint16_t unsigned 16 bit - * khronos_int32_t signed 32 bit - * khronos_uint32_t unsigned 32 bit - * khronos_int64_t signed 64 bit - * khronos_uint64_t unsigned 64 bit - * khronos_intptr_t signed same number of bits as a pointer - * khronos_uintptr_t unsigned same number of bits as a pointer - * khronos_ssize_t signed size - * khronos_usize_t unsigned size - * khronos_float_t signed 32 bit floating point - * khronos_time_ns_t unsigned 64 bit time in nanoseconds - * khronos_utime_nanoseconds_t unsigned time interval or absolute time in - * nanoseconds - * khronos_stime_nanoseconds_t signed time interval in nanoseconds - * khronos_boolean_enum_t enumerated boolean type. This should - * only be used as a base type when a client API's boolean type is - * an enum. Client APIs which use an integer or other type for - * booleans cannot use this as the base type for their boolean. - * - * Tokens defined in khrplatform.h: - * - * KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values. - * - * KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0. - * KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0. - * - * Calling convention macros defined in this file: - * KHRONOS_APICALL - * KHRONOS_APIENTRY - * KHRONOS_APIATTRIBUTES - * - * These may be used in function prototypes as: - * - * KHRONOS_APICALL void KHRONOS_APIENTRY funcname( - * int arg1, - * int arg2) KHRONOS_APIATTRIBUTES; - */ - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APICALL - *------------------------------------------------------------------------- - * This precedes the return type of the function in the function prototype. - */ -#if defined(_WIN32) && !defined(__SCITECH_SNAP__) -# define KHRONOS_APICALL __declspec(dllimport) -#elif defined (__SYMBIAN32__) -# define KHRONOS_APICALL IMPORT_C -#else -# define KHRONOS_APICALL -#endif - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APIENTRY - *------------------------------------------------------------------------- - * This follows the return type of the function and precedes the function - * name in the function prototype. - */ -#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__) - /* Win32 but not WinCE */ -# define KHRONOS_APIENTRY __stdcall -#else -# define KHRONOS_APIENTRY -#endif - -/*------------------------------------------------------------------------- - * Definition of KHRONOS_APIATTRIBUTES - *------------------------------------------------------------------------- - * This follows the closing parenthesis of the function prototype arguments. - */ -#if defined (__ARMCC_2__) -#define KHRONOS_APIATTRIBUTES __softfp -#else -#define KHRONOS_APIATTRIBUTES -#endif - -/*------------------------------------------------------------------------- - * basic type definitions - *-----------------------------------------------------------------------*/ -#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__) - - -/* - * Using - */ -#include -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif defined(__VMS ) || defined(__sgi) - -/* - * Using - */ -#include -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif defined(_WIN32) && !defined(__SCITECH_SNAP__) - -/* - * Win32 - */ -typedef __int32 khronos_int32_t; -typedef unsigned __int32 khronos_uint32_t; -typedef __int64 khronos_int64_t; -typedef unsigned __int64 khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif defined(__sun__) || defined(__digital__) - -/* - * Sun or Digital - */ -typedef int khronos_int32_t; -typedef unsigned int khronos_uint32_t; -#if defined(__arch64__) || defined(_LP64) -typedef long int khronos_int64_t; -typedef unsigned long int khronos_uint64_t; -#else -typedef long long int khronos_int64_t; -typedef unsigned long long int khronos_uint64_t; -#endif /* __arch64__ */ -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#elif 0 - -/* - * Hypothetical platform with no float or int64 support - */ -typedef int khronos_int32_t; -typedef unsigned int khronos_uint32_t; -#define KHRONOS_SUPPORT_INT64 0 -#define KHRONOS_SUPPORT_FLOAT 0 - -#else - -/* - * Generic fallback - */ -#include -typedef int32_t khronos_int32_t; -typedef uint32_t khronos_uint32_t; -typedef int64_t khronos_int64_t; -typedef uint64_t khronos_uint64_t; -#define KHRONOS_SUPPORT_INT64 1 -#define KHRONOS_SUPPORT_FLOAT 1 - -#endif - - -/* - * Types that are (so far) the same on all platforms - */ -typedef signed char khronos_int8_t; -typedef unsigned char khronos_uint8_t; -typedef signed short int khronos_int16_t; -typedef unsigned short int khronos_uint16_t; - -/* - * Types that differ between LLP64 and LP64 architectures - in LLP64, - * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears - * to be the only LLP64 architecture in current use. - */ -#ifdef _WIN64 -typedef signed long long int khronos_intptr_t; -typedef unsigned long long int khronos_uintptr_t; -typedef signed long long int khronos_ssize_t; -typedef unsigned long long int khronos_usize_t; -#else -typedef signed long int khronos_intptr_t; -typedef unsigned long int khronos_uintptr_t; -typedef signed long int khronos_ssize_t; -typedef unsigned long int khronos_usize_t; -#endif - -#if KHRONOS_SUPPORT_FLOAT -/* - * Float type - */ -typedef float khronos_float_t; -#endif - -#if KHRONOS_SUPPORT_INT64 -/* Time types - * - * These types can be used to represent a time interval in nanoseconds or - * an absolute Unadjusted System Time. Unadjusted System Time is the number - * of nanoseconds since some arbitrary system event (e.g. since the last - * time the system booted). The Unadjusted System Time is an unsigned - * 64 bit value that wraps back to 0 every 584 years. Time intervals - * may be either signed or unsigned. - */ -typedef khronos_uint64_t khronos_utime_nanoseconds_t; -typedef khronos_int64_t khronos_stime_nanoseconds_t; -#endif - -/* - * Dummy value used to pad enum types to 32 bits. - */ -#ifndef KHRONOS_MAX_ENUM -#define KHRONOS_MAX_ENUM 0x7FFFFFFF -#endif - -/* - * Enumerated boolean type - * - * Values other than zero should be considered to be true. Therefore - * comparisons should not be made against KHRONOS_TRUE. - */ -typedef enum { - KHRONOS_FALSE = 0, - KHRONOS_TRUE = 1, - KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM -} khronos_boolean_enum_t; - -#endif /* __khrplatform_h_ */ \ No newline at end of file diff --git a/backend/goglbackend/gl/package.go b/backend/goglbackend/gl/package.go deleted file mode 100644 index 46e3c13..0000000 --- a/backend/goglbackend/gl/package.go +++ /dev/null @@ -1,2053 +0,0 @@ -// Code generated by glow (https://github.com/go-gl/glow). DO NOT EDIT. - -// Copyright (c) 2010 Khronos Group. -// This material may be distributed subject to the terms and conditions -// set forth in the Open Publication License, v 1.0, 8 June 1999. -// http://opencontent.org/openpub/. -// -// Copyright (c) 1991-2006 Silicon Graphics, Inc. -// This document is licensed under the SGI Free Software B License. -// For details, see http://oss.sgi.com/projects/FreeB. - -// Package gl implements Go bindings to OpenGL. -// -// This package was automatically generated using Glow: -// https://github.com/go-gl/glow -// -package gl - -// #cgo darwin,!ios LDFLAGS: -framework OpenGL -// #cgo darwin,ios LDFLAGS: -framework OpenGLES -// #cgo linux,!android LDFLAGS: -lGL -// #cgo freebsd,!android LDFLAGS: -lGL -// #cgo windows LDFLAGS: -lopengl32 -// #if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) -// #ifndef WIN32_LEAN_AND_MEAN -// #define WIN32_LEAN_AND_MEAN 1 -// #endif -// #include -// #endif -// #ifndef APIENTRY -// #define APIENTRY -// #endif -// #ifndef APIENTRYP -// #define APIENTRYP APIENTRY * -// #endif -// #ifndef GLAPI -// #define GLAPI extern -// #endif -// #include -// typedef unsigned int GLenum; -// typedef unsigned char GLboolean; -// typedef unsigned int GLbitfield; -// typedef signed char GLbyte; -// typedef short GLshort; -// typedef int GLint; -// typedef unsigned char GLubyte; -// typedef unsigned short GLushort; -// typedef unsigned int GLuint; -// typedef int GLsizei; -// typedef float GLfloat; -// typedef double GLdouble; -// typedef char GLchar; -// #include "khrplatform.h" -// typedef unsigned int GLenum; -// typedef unsigned char GLboolean; -// typedef unsigned int GLbitfield; -// typedef int GLint; -// typedef unsigned int GLuint; -// typedef int GLsizei; -// typedef char GLchar; -// typedef khronos_uint8_t GLubyte; -// typedef khronos_float_t GLfloat; -// typedef khronos_intptr_t GLintptr; -// typedef khronos_ssize_t GLsizeiptr; -// typedef void (APIENTRYP GPACTIVETEXTURE)(GLenum texture); -// typedef void (APIENTRYP GPATTACHSHADER)(GLuint program, GLuint shader); -// typedef void (APIENTRYP GPBINDATTRIBLOCATION)(GLuint program, GLuint index, const GLchar * name); -// typedef void (APIENTRYP GPBINDBUFFER)(GLenum target, GLuint buffer); -// typedef void (APIENTRYP GPBINDFRAMEBUFFER)(GLenum target, GLuint framebuffer); -// typedef void (APIENTRYP GPBINDRENDERBUFFER)(GLenum target, GLuint renderbuffer); -// typedef void (APIENTRYP GPBINDTEXTURE)(GLenum target, GLuint texture); -// typedef void (APIENTRYP GPBLENDCOLOR)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); -// typedef void (APIENTRYP GPBLENDEQUATION)(GLenum mode); -// typedef void (APIENTRYP GPBLENDEQUATIONSEPARATE)(GLenum modeRGB, GLenum modeAlpha); -// typedef void (APIENTRYP GPBLENDFUNC)(GLenum sfactor, GLenum dfactor); -// typedef void (APIENTRYP GPBLENDFUNCSEPARATE)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha); -// typedef void (APIENTRYP GPBUFFERDATA)(GLenum target, GLsizeiptr size, const void * data, GLenum usage); -// typedef void (APIENTRYP GPBUFFERSUBDATA)(GLenum target, GLintptr offset, GLsizeiptr size, const void * data); -// typedef GLenum (APIENTRYP GPCHECKFRAMEBUFFERSTATUS)(GLenum target); -// typedef void (APIENTRYP GPCLEAR)(GLbitfield mask); -// typedef void (APIENTRYP GPCLEARCOLOR)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); -// typedef void (APIENTRYP GPCLEARSTENCIL)(GLint s); -// typedef void (APIENTRYP GPCOLORMASK)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); -// typedef void (APIENTRYP GPCOMPILESHADER)(GLuint shader); -// typedef void (APIENTRYP GPCOMPRESSEDTEXIMAGE2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void * data); -// typedef void (APIENTRYP GPCOMPRESSEDTEXSUBIMAGE2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void * data); -// typedef void (APIENTRYP GPCOPYTEXIMAGE2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); -// typedef void (APIENTRYP GPCOPYTEXSUBIMAGE2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); -// typedef GLuint (APIENTRYP GPCREATEPROGRAM)(); -// typedef GLuint (APIENTRYP GPCREATESHADER)(GLenum type); -// typedef void (APIENTRYP GPCULLFACE)(GLenum mode); -// typedef void (APIENTRYP GPDELETEBUFFERS)(GLsizei n, const GLuint * buffers); -// typedef void (APIENTRYP GPDELETEFRAMEBUFFERS)(GLsizei n, const GLuint * framebuffers); -// typedef void (APIENTRYP GPDELETEPROGRAM)(GLuint program); -// typedef void (APIENTRYP GPDELETERENDERBUFFERS)(GLsizei n, const GLuint * renderbuffers); -// typedef void (APIENTRYP GPDELETESHADER)(GLuint shader); -// typedef void (APIENTRYP GPDELETETEXTURES)(GLsizei n, const GLuint * textures); -// typedef void (APIENTRYP GPDEPTHFUNC)(GLenum func); -// typedef void (APIENTRYP GPDEPTHMASK)(GLboolean flag); -// typedef void (APIENTRYP GPDETACHSHADER)(GLuint program, GLuint shader); -// typedef void (APIENTRYP GPDISABLE)(GLenum cap); -// typedef void (APIENTRYP GPDISABLEVERTEXATTRIBARRAY)(GLuint index); -// typedef void (APIENTRYP GPDRAWARRAYS)(GLenum mode, GLint first, GLsizei count); -// typedef void (APIENTRYP GPDRAWELEMENTS)(GLenum mode, GLsizei count, GLenum type, const void * indices); -// typedef void (APIENTRYP GPENABLE)(GLenum cap); -// typedef void (APIENTRYP GPENABLEVERTEXATTRIBARRAY)(GLuint index); -// typedef void (APIENTRYP GPFINISH)(); -// typedef void (APIENTRYP GPFLUSH)(); -// typedef void (APIENTRYP GPFRAMEBUFFERRENDERBUFFER)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); -// typedef void (APIENTRYP GPFRAMEBUFFERTEXTURE2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level); -// typedef void (APIENTRYP GPFRONTFACE)(GLenum mode); -// typedef void (APIENTRYP GPGENBUFFERS)(GLsizei n, GLuint * buffers); -// typedef void (APIENTRYP GPGENFRAMEBUFFERS)(GLsizei n, GLuint * framebuffers); -// typedef void (APIENTRYP GPGENRENDERBUFFERS)(GLsizei n, GLuint * renderbuffers); -// typedef void (APIENTRYP GPGENTEXTURES)(GLsizei n, GLuint * textures); -// typedef void (APIENTRYP GPGENERATEMIPMAP)(GLenum target); -// typedef void (APIENTRYP GPGETACTIVEATTRIB)(GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name); -// typedef void (APIENTRYP GPGETACTIVEUNIFORM)(GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name); -// typedef void (APIENTRYP GPGETATTACHEDSHADERS)(GLuint program, GLsizei maxCount, GLsizei * count, GLuint * shaders); -// typedef GLint (APIENTRYP GPGETATTRIBLOCATION)(GLuint program, const GLchar * name); -// typedef void (APIENTRYP GPGETBOOLEANV)(GLenum pname, GLboolean * data); -// typedef void (APIENTRYP GPGETBUFFERPARAMETERIV)(GLenum target, GLenum pname, GLint * params); -// typedef GLenum (APIENTRYP GPGETERROR)(); -// typedef void (APIENTRYP GPGETFLOATV)(GLenum pname, GLfloat * data); -// typedef void (APIENTRYP GPGETFRAMEBUFFERATTACHMENTPARAMETERIV)(GLenum target, GLenum attachment, GLenum pname, GLint * params); -// typedef void (APIENTRYP GPGETINTEGERV)(GLenum pname, GLint * data); -// typedef void (APIENTRYP GPGETPROGRAMINFOLOG)(GLuint program, GLsizei bufSize, GLsizei * length, GLchar * infoLog); -// typedef void (APIENTRYP GPGETPROGRAMIV)(GLuint program, GLenum pname, GLint * params); -// typedef void (APIENTRYP GPGETRENDERBUFFERPARAMETERIV)(GLenum target, GLenum pname, GLint * params); -// typedef void (APIENTRYP GPGETSHADERINFOLOG)(GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * infoLog); -// typedef void (APIENTRYP GPGETSHADERSOURCE)(GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * source); -// typedef void (APIENTRYP GPGETSHADERIV)(GLuint shader, GLenum pname, GLint * params); -// typedef const GLubyte * (APIENTRYP GPGETSTRING)(GLenum name); -// typedef void (APIENTRYP GPGETTEXPARAMETERFV)(GLenum target, GLenum pname, GLfloat * params); -// typedef void (APIENTRYP GPGETTEXPARAMETERIV)(GLenum target, GLenum pname, GLint * params); -// typedef GLint (APIENTRYP GPGETUNIFORMLOCATION)(GLuint program, const GLchar * name); -// typedef void (APIENTRYP GPGETUNIFORMFV)(GLuint program, GLint location, GLfloat * params); -// typedef void (APIENTRYP GPGETUNIFORMIV)(GLuint program, GLint location, GLint * params); -// typedef void (APIENTRYP GPGETVERTEXATTRIBPOINTERV)(GLuint index, GLenum pname, void ** pointer); -// typedef void (APIENTRYP GPGETVERTEXATTRIBFV)(GLuint index, GLenum pname, GLfloat * params); -// typedef void (APIENTRYP GPGETVERTEXATTRIBIV)(GLuint index, GLenum pname, GLint * params); -// typedef void (APIENTRYP GPHINT)(GLenum target, GLenum mode); -// typedef GLboolean (APIENTRYP GPISBUFFER)(GLuint buffer); -// typedef GLboolean (APIENTRYP GPISENABLED)(GLenum cap); -// typedef GLboolean (APIENTRYP GPISFRAMEBUFFER)(GLuint framebuffer); -// typedef GLboolean (APIENTRYP GPISPROGRAM)(GLuint program); -// typedef GLboolean (APIENTRYP GPISRENDERBUFFER)(GLuint renderbuffer); -// typedef GLboolean (APIENTRYP GPISSHADER)(GLuint shader); -// typedef GLboolean (APIENTRYP GPISTEXTURE)(GLuint texture); -// typedef void (APIENTRYP GPLINEWIDTH)(GLfloat width); -// typedef void (APIENTRYP GPLINKPROGRAM)(GLuint program); -// typedef void (APIENTRYP GPPIXELSTOREI)(GLenum pname, GLint param); -// typedef void (APIENTRYP GPPOLYGONOFFSET)(GLfloat factor, GLfloat units); -// typedef void (APIENTRYP GPREADPIXELS)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void * pixels); -// typedef void (APIENTRYP GPRENDERBUFFERSTORAGE)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height); -// typedef void (APIENTRYP GPSAMPLECOVERAGE)(GLfloat value, GLboolean invert); -// typedef void (APIENTRYP GPSCISSOR)(GLint x, GLint y, GLsizei width, GLsizei height); -// typedef void (APIENTRYP GPSHADERSOURCE)(GLuint shader, GLsizei count, const GLchar *const* string, const GLint * length); -// typedef void (APIENTRYP GPSTENCILFUNC)(GLenum func, GLint ref, GLuint mask); -// typedef void (APIENTRYP GPSTENCILFUNCSEPARATE)(GLenum face, GLenum func, GLint ref, GLuint mask); -// typedef void (APIENTRYP GPSTENCILMASK)(GLuint mask); -// typedef void (APIENTRYP GPSTENCILMASKSEPARATE)(GLenum face, GLuint mask); -// typedef void (APIENTRYP GPSTENCILOP)(GLenum fail, GLenum zfail, GLenum zpass); -// typedef void (APIENTRYP GPSTENCILOPSEPARATE)(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass); -// typedef void (APIENTRYP GPTEXIMAGE2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void * pixels); -// typedef void (APIENTRYP GPTEXPARAMETERF)(GLenum target, GLenum pname, GLfloat param); -// typedef void (APIENTRYP GPTEXPARAMETERFV)(GLenum target, GLenum pname, const GLfloat * params); -// typedef void (APIENTRYP GPTEXPARAMETERI)(GLenum target, GLenum pname, GLint param); -// typedef void (APIENTRYP GPTEXPARAMETERIV)(GLenum target, GLenum pname, const GLint * params); -// typedef void (APIENTRYP GPTEXSUBIMAGE2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void * pixels); -// typedef void (APIENTRYP GPUNIFORM1F)(GLint location, GLfloat v0); -// typedef void (APIENTRYP GPUNIFORM1FV)(GLint location, GLsizei count, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORM1I)(GLint location, GLint v0); -// typedef void (APIENTRYP GPUNIFORM1IV)(GLint location, GLsizei count, const GLint * value); -// typedef void (APIENTRYP GPUNIFORM2F)(GLint location, GLfloat v0, GLfloat v1); -// typedef void (APIENTRYP GPUNIFORM2FV)(GLint location, GLsizei count, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORM2I)(GLint location, GLint v0, GLint v1); -// typedef void (APIENTRYP GPUNIFORM2IV)(GLint location, GLsizei count, const GLint * value); -// typedef void (APIENTRYP GPUNIFORM3F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2); -// typedef void (APIENTRYP GPUNIFORM3FV)(GLint location, GLsizei count, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORM3I)(GLint location, GLint v0, GLint v1, GLint v2); -// typedef void (APIENTRYP GPUNIFORM3IV)(GLint location, GLsizei count, const GLint * value); -// typedef void (APIENTRYP GPUNIFORM4F)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); -// typedef void (APIENTRYP GPUNIFORM4FV)(GLint location, GLsizei count, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORM4I)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3); -// typedef void (APIENTRYP GPUNIFORM4IV)(GLint location, GLsizei count, const GLint * value); -// typedef void (APIENTRYP GPUNIFORMMATRIX2FV)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORMMATRIX3FV)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -// typedef void (APIENTRYP GPUNIFORMMATRIX4FV)(GLint location, GLsizei count, GLboolean transpose, const GLfloat * value); -// typedef void (APIENTRYP GPUSEPROGRAM)(GLuint program); -// typedef void (APIENTRYP GPVALIDATEPROGRAM)(GLuint program); -// typedef void (APIENTRYP GPVERTEXATTRIB1F)(GLuint index, GLfloat x); -// typedef void (APIENTRYP GPVERTEXATTRIB1FV)(GLuint index, const GLfloat * v); -// typedef void (APIENTRYP GPVERTEXATTRIB2F)(GLuint index, GLfloat x, GLfloat y); -// typedef void (APIENTRYP GPVERTEXATTRIB2FV)(GLuint index, const GLfloat * v); -// typedef void (APIENTRYP GPVERTEXATTRIB3F)(GLuint index, GLfloat x, GLfloat y, GLfloat z); -// typedef void (APIENTRYP GPVERTEXATTRIB3FV)(GLuint index, const GLfloat * v); -// typedef void (APIENTRYP GPVERTEXATTRIB4F)(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); -// typedef void (APIENTRYP GPVERTEXATTRIB4FV)(GLuint index, const GLfloat * v); -// typedef void (APIENTRYP GPVERTEXATTRIBPOINTER)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void * pointer); -// typedef void (APIENTRYP GPVIEWPORT)(GLint x, GLint y, GLsizei width, GLsizei height); -// static void glowActiveTexture(GPACTIVETEXTURE fnptr, GLenum texture) { -// (*fnptr)(texture); -// } -// static void glowAttachShader(GPATTACHSHADER fnptr, GLuint program, GLuint shader) { -// (*fnptr)(program, shader); -// } -// static void glowBindAttribLocation(GPBINDATTRIBLOCATION fnptr, GLuint program, GLuint index, const GLchar * name) { -// (*fnptr)(program, index, name); -// } -// static void glowBindBuffer(GPBINDBUFFER fnptr, GLenum target, GLuint buffer) { -// (*fnptr)(target, buffer); -// } -// static void glowBindFramebuffer(GPBINDFRAMEBUFFER fnptr, GLenum target, GLuint framebuffer) { -// (*fnptr)(target, framebuffer); -// } -// static void glowBindRenderbuffer(GPBINDRENDERBUFFER fnptr, GLenum target, GLuint renderbuffer) { -// (*fnptr)(target, renderbuffer); -// } -// static void glowBindTexture(GPBINDTEXTURE fnptr, GLenum target, GLuint texture) { -// (*fnptr)(target, texture); -// } -// static void glowBlendColor(GPBLENDCOLOR fnptr, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) { -// (*fnptr)(red, green, blue, alpha); -// } -// static void glowBlendEquation(GPBLENDEQUATION fnptr, GLenum mode) { -// (*fnptr)(mode); -// } -// static void glowBlendEquationSeparate(GPBLENDEQUATIONSEPARATE fnptr, GLenum modeRGB, GLenum modeAlpha) { -// (*fnptr)(modeRGB, modeAlpha); -// } -// static void glowBlendFunc(GPBLENDFUNC fnptr, GLenum sfactor, GLenum dfactor) { -// (*fnptr)(sfactor, dfactor); -// } -// static void glowBlendFuncSeparate(GPBLENDFUNCSEPARATE fnptr, GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) { -// (*fnptr)(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha); -// } -// static void glowBufferData(GPBUFFERDATA fnptr, GLenum target, GLsizeiptr size, const void * data, GLenum usage) { -// (*fnptr)(target, size, data, usage); -// } -// static void glowBufferSubData(GPBUFFERSUBDATA fnptr, GLenum target, GLintptr offset, GLsizeiptr size, const void * data) { -// (*fnptr)(target, offset, size, data); -// } -// static GLenum glowCheckFramebufferStatus(GPCHECKFRAMEBUFFERSTATUS fnptr, GLenum target) { -// return (*fnptr)(target); -// } -// static void glowClear(GPCLEAR fnptr, GLbitfield mask) { -// (*fnptr)(mask); -// } -// static void glowClearColor(GPCLEARCOLOR fnptr, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) { -// (*fnptr)(red, green, blue, alpha); -// } -// static void glowClearStencil(GPCLEARSTENCIL fnptr, GLint s) { -// (*fnptr)(s); -// } -// static void glowColorMask(GPCOLORMASK fnptr, GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) { -// (*fnptr)(red, green, blue, alpha); -// } -// static void glowCompileShader(GPCOMPILESHADER fnptr, GLuint shader) { -// (*fnptr)(shader); -// } -// static void glowCompressedTexImage2D(GPCOMPRESSEDTEXIMAGE2D fnptr, GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void * data) { -// (*fnptr)(target, level, internalformat, width, height, border, imageSize, data); -// } -// static void glowCompressedTexSubImage2D(GPCOMPRESSEDTEXSUBIMAGE2D fnptr, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void * data) { -// (*fnptr)(target, level, xoffset, yoffset, width, height, format, imageSize, data); -// } -// static void glowCopyTexImage2D(GPCOPYTEXIMAGE2D fnptr, GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) { -// (*fnptr)(target, level, internalformat, x, y, width, height, border); -// } -// static void glowCopyTexSubImage2D(GPCOPYTEXSUBIMAGE2D fnptr, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) { -// (*fnptr)(target, level, xoffset, yoffset, x, y, width, height); -// } -// static GLuint glowCreateProgram(GPCREATEPROGRAM fnptr) { -// return (*fnptr)(); -// } -// static GLuint glowCreateShader(GPCREATESHADER fnptr, GLenum type) { -// return (*fnptr)(type); -// } -// static void glowCullFace(GPCULLFACE fnptr, GLenum mode) { -// (*fnptr)(mode); -// } -// static void glowDeleteBuffers(GPDELETEBUFFERS fnptr, GLsizei n, const GLuint * buffers) { -// (*fnptr)(n, buffers); -// } -// static void glowDeleteFramebuffers(GPDELETEFRAMEBUFFERS fnptr, GLsizei n, const GLuint * framebuffers) { -// (*fnptr)(n, framebuffers); -// } -// static void glowDeleteProgram(GPDELETEPROGRAM fnptr, GLuint program) { -// (*fnptr)(program); -// } -// static void glowDeleteRenderbuffers(GPDELETERENDERBUFFERS fnptr, GLsizei n, const GLuint * renderbuffers) { -// (*fnptr)(n, renderbuffers); -// } -// static void glowDeleteShader(GPDELETESHADER fnptr, GLuint shader) { -// (*fnptr)(shader); -// } -// static void glowDeleteTextures(GPDELETETEXTURES fnptr, GLsizei n, const GLuint * textures) { -// (*fnptr)(n, textures); -// } -// static void glowDepthFunc(GPDEPTHFUNC fnptr, GLenum func) { -// (*fnptr)(func); -// } -// static void glowDepthMask(GPDEPTHMASK fnptr, GLboolean flag) { -// (*fnptr)(flag); -// } -// static void glowDetachShader(GPDETACHSHADER fnptr, GLuint program, GLuint shader) { -// (*fnptr)(program, shader); -// } -// static void glowDisable(GPDISABLE fnptr, GLenum cap) { -// (*fnptr)(cap); -// } -// static void glowDisableVertexAttribArray(GPDISABLEVERTEXATTRIBARRAY fnptr, GLuint index) { -// (*fnptr)(index); -// } -// static void glowDrawArrays(GPDRAWARRAYS fnptr, GLenum mode, GLint first, GLsizei count) { -// (*fnptr)(mode, first, count); -// } -// static void glowDrawElements(GPDRAWELEMENTS fnptr, GLenum mode, GLsizei count, GLenum type, const void * indices) { -// (*fnptr)(mode, count, type, indices); -// } -// static void glowEnable(GPENABLE fnptr, GLenum cap) { -// (*fnptr)(cap); -// } -// static void glowEnableVertexAttribArray(GPENABLEVERTEXATTRIBARRAY fnptr, GLuint index) { -// (*fnptr)(index); -// } -// static void glowFinish(GPFINISH fnptr) { -// (*fnptr)(); -// } -// static void glowFlush(GPFLUSH fnptr) { -// (*fnptr)(); -// } -// static void glowFramebufferRenderbuffer(GPFRAMEBUFFERRENDERBUFFER fnptr, GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) { -// (*fnptr)(target, attachment, renderbuffertarget, renderbuffer); -// } -// static void glowFramebufferTexture2D(GPFRAMEBUFFERTEXTURE2D fnptr, GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) { -// (*fnptr)(target, attachment, textarget, texture, level); -// } -// static void glowFrontFace(GPFRONTFACE fnptr, GLenum mode) { -// (*fnptr)(mode); -// } -// static void glowGenBuffers(GPGENBUFFERS fnptr, GLsizei n, GLuint * buffers) { -// (*fnptr)(n, buffers); -// } -// static void glowGenFramebuffers(GPGENFRAMEBUFFERS fnptr, GLsizei n, GLuint * framebuffers) { -// (*fnptr)(n, framebuffers); -// } -// static void glowGenRenderbuffers(GPGENRENDERBUFFERS fnptr, GLsizei n, GLuint * renderbuffers) { -// (*fnptr)(n, renderbuffers); -// } -// static void glowGenTextures(GPGENTEXTURES fnptr, GLsizei n, GLuint * textures) { -// (*fnptr)(n, textures); -// } -// static void glowGenerateMipmap(GPGENERATEMIPMAP fnptr, GLenum target) { -// (*fnptr)(target); -// } -// static void glowGetActiveAttrib(GPGETACTIVEATTRIB fnptr, GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name) { -// (*fnptr)(program, index, bufSize, length, size, type, name); -// } -// static void glowGetActiveUniform(GPGETACTIVEUNIFORM fnptr, GLuint program, GLuint index, GLsizei bufSize, GLsizei * length, GLint * size, GLenum * type, GLchar * name) { -// (*fnptr)(program, index, bufSize, length, size, type, name); -// } -// static void glowGetAttachedShaders(GPGETATTACHEDSHADERS fnptr, GLuint program, GLsizei maxCount, GLsizei * count, GLuint * shaders) { -// (*fnptr)(program, maxCount, count, shaders); -// } -// static GLint glowGetAttribLocation(GPGETATTRIBLOCATION fnptr, GLuint program, const GLchar * name) { -// return (*fnptr)(program, name); -// } -// static void glowGetBooleanv(GPGETBOOLEANV fnptr, GLenum pname, GLboolean * data) { -// (*fnptr)(pname, data); -// } -// static void glowGetBufferParameteriv(GPGETBUFFERPARAMETERIV fnptr, GLenum target, GLenum pname, GLint * params) { -// (*fnptr)(target, pname, params); -// } -// static GLenum glowGetError(GPGETERROR fnptr) { -// return (*fnptr)(); -// } -// static void glowGetFloatv(GPGETFLOATV fnptr, GLenum pname, GLfloat * data) { -// (*fnptr)(pname, data); -// } -// static void glowGetFramebufferAttachmentParameteriv(GPGETFRAMEBUFFERATTACHMENTPARAMETERIV fnptr, GLenum target, GLenum attachment, GLenum pname, GLint * params) { -// (*fnptr)(target, attachment, pname, params); -// } -// static void glowGetIntegerv(GPGETINTEGERV fnptr, GLenum pname, GLint * data) { -// (*fnptr)(pname, data); -// } -// static void glowGetProgramInfoLog(GPGETPROGRAMINFOLOG fnptr, GLuint program, GLsizei bufSize, GLsizei * length, GLchar * infoLog) { -// (*fnptr)(program, bufSize, length, infoLog); -// } -// static void glowGetProgramiv(GPGETPROGRAMIV fnptr, GLuint program, GLenum pname, GLint * params) { -// (*fnptr)(program, pname, params); -// } -// static void glowGetRenderbufferParameteriv(GPGETRENDERBUFFERPARAMETERIV fnptr, GLenum target, GLenum pname, GLint * params) { -// (*fnptr)(target, pname, params); -// } -// static void glowGetShaderInfoLog(GPGETSHADERINFOLOG fnptr, GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * infoLog) { -// (*fnptr)(shader, bufSize, length, infoLog); -// } -// static void glowGetShaderSource(GPGETSHADERSOURCE fnptr, GLuint shader, GLsizei bufSize, GLsizei * length, GLchar * source) { -// (*fnptr)(shader, bufSize, length, source); -// } -// static void glowGetShaderiv(GPGETSHADERIV fnptr, GLuint shader, GLenum pname, GLint * params) { -// (*fnptr)(shader, pname, params); -// } -// static const GLubyte * glowGetString(GPGETSTRING fnptr, GLenum name) { -// return (*fnptr)(name); -// } -// static void glowGetTexParameterfv(GPGETTEXPARAMETERFV fnptr, GLenum target, GLenum pname, GLfloat * params) { -// (*fnptr)(target, pname, params); -// } -// static void glowGetTexParameteriv(GPGETTEXPARAMETERIV fnptr, GLenum target, GLenum pname, GLint * params) { -// (*fnptr)(target, pname, params); -// } -// static GLint glowGetUniformLocation(GPGETUNIFORMLOCATION fnptr, GLuint program, const GLchar * name) { -// return (*fnptr)(program, name); -// } -// static void glowGetUniformfv(GPGETUNIFORMFV fnptr, GLuint program, GLint location, GLfloat * params) { -// (*fnptr)(program, location, params); -// } -// static void glowGetUniformiv(GPGETUNIFORMIV fnptr, GLuint program, GLint location, GLint * params) { -// (*fnptr)(program, location, params); -// } -// static void glowGetVertexAttribPointerv(GPGETVERTEXATTRIBPOINTERV fnptr, GLuint index, GLenum pname, void ** pointer) { -// (*fnptr)(index, pname, pointer); -// } -// static void glowGetVertexAttribfv(GPGETVERTEXATTRIBFV fnptr, GLuint index, GLenum pname, GLfloat * params) { -// (*fnptr)(index, pname, params); -// } -// static void glowGetVertexAttribiv(GPGETVERTEXATTRIBIV fnptr, GLuint index, GLenum pname, GLint * params) { -// (*fnptr)(index, pname, params); -// } -// static void glowHint(GPHINT fnptr, GLenum target, GLenum mode) { -// (*fnptr)(target, mode); -// } -// static GLboolean glowIsBuffer(GPISBUFFER fnptr, GLuint buffer) { -// return (*fnptr)(buffer); -// } -// static GLboolean glowIsEnabled(GPISENABLED fnptr, GLenum cap) { -// return (*fnptr)(cap); -// } -// static GLboolean glowIsFramebuffer(GPISFRAMEBUFFER fnptr, GLuint framebuffer) { -// return (*fnptr)(framebuffer); -// } -// static GLboolean glowIsProgram(GPISPROGRAM fnptr, GLuint program) { -// return (*fnptr)(program); -// } -// static GLboolean glowIsRenderbuffer(GPISRENDERBUFFER fnptr, GLuint renderbuffer) { -// return (*fnptr)(renderbuffer); -// } -// static GLboolean glowIsShader(GPISSHADER fnptr, GLuint shader) { -// return (*fnptr)(shader); -// } -// static GLboolean glowIsTexture(GPISTEXTURE fnptr, GLuint texture) { -// return (*fnptr)(texture); -// } -// static void glowLineWidth(GPLINEWIDTH fnptr, GLfloat width) { -// (*fnptr)(width); -// } -// static void glowLinkProgram(GPLINKPROGRAM fnptr, GLuint program) { -// (*fnptr)(program); -// } -// static void glowPixelStorei(GPPIXELSTOREI fnptr, GLenum pname, GLint param) { -// (*fnptr)(pname, param); -// } -// static void glowPolygonOffset(GPPOLYGONOFFSET fnptr, GLfloat factor, GLfloat units) { -// (*fnptr)(factor, units); -// } -// static void glowReadPixels(GPREADPIXELS fnptr, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void * pixels) { -// (*fnptr)(x, y, width, height, format, type, pixels); -// } -// static void glowRenderbufferStorage(GPRENDERBUFFERSTORAGE fnptr, GLenum target, GLenum internalformat, GLsizei width, GLsizei height) { -// (*fnptr)(target, internalformat, width, height); -// } -// static void glowSampleCoverage(GPSAMPLECOVERAGE fnptr, GLfloat value, GLboolean invert) { -// (*fnptr)(value, invert); -// } -// static void glowScissor(GPSCISSOR fnptr, GLint x, GLint y, GLsizei width, GLsizei height) { -// (*fnptr)(x, y, width, height); -// } -// static void glowShaderSource(GPSHADERSOURCE fnptr, GLuint shader, GLsizei count, const GLchar *const* string, const GLint * length) { -// (*fnptr)(shader, count, string, length); -// } -// static void glowStencilFunc(GPSTENCILFUNC fnptr, GLenum func, GLint ref, GLuint mask) { -// (*fnptr)(func, ref, mask); -// } -// static void glowStencilFuncSeparate(GPSTENCILFUNCSEPARATE fnptr, GLenum face, GLenum func, GLint ref, GLuint mask) { -// (*fnptr)(face, func, ref, mask); -// } -// static void glowStencilMask(GPSTENCILMASK fnptr, GLuint mask) { -// (*fnptr)(mask); -// } -// static void glowStencilMaskSeparate(GPSTENCILMASKSEPARATE fnptr, GLenum face, GLuint mask) { -// (*fnptr)(face, mask); -// } -// static void glowStencilOp(GPSTENCILOP fnptr, GLenum fail, GLenum zfail, GLenum zpass) { -// (*fnptr)(fail, zfail, zpass); -// } -// static void glowStencilOpSeparate(GPSTENCILOPSEPARATE fnptr, GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) { -// (*fnptr)(face, sfail, dpfail, dppass); -// } -// static void glowTexImage2D(GPTEXIMAGE2D fnptr, GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void * pixels) { -// (*fnptr)(target, level, internalformat, width, height, border, format, type, pixels); -// } -// static void glowTexParameterf(GPTEXPARAMETERF fnptr, GLenum target, GLenum pname, GLfloat param) { -// (*fnptr)(target, pname, param); -// } -// static void glowTexParameterfv(GPTEXPARAMETERFV fnptr, GLenum target, GLenum pname, const GLfloat * params) { -// (*fnptr)(target, pname, params); -// } -// static void glowTexParameteri(GPTEXPARAMETERI fnptr, GLenum target, GLenum pname, GLint param) { -// (*fnptr)(target, pname, param); -// } -// static void glowTexParameteriv(GPTEXPARAMETERIV fnptr, GLenum target, GLenum pname, const GLint * params) { -// (*fnptr)(target, pname, params); -// } -// static void glowTexSubImage2D(GPTEXSUBIMAGE2D fnptr, GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void * pixels) { -// (*fnptr)(target, level, xoffset, yoffset, width, height, format, type, pixels); -// } -// static void glowUniform1f(GPUNIFORM1F fnptr, GLint location, GLfloat v0) { -// (*fnptr)(location, v0); -// } -// static void glowUniform1fv(GPUNIFORM1FV fnptr, GLint location, GLsizei count, const GLfloat * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform1i(GPUNIFORM1I fnptr, GLint location, GLint v0) { -// (*fnptr)(location, v0); -// } -// static void glowUniform1iv(GPUNIFORM1IV fnptr, GLint location, GLsizei count, const GLint * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform2f(GPUNIFORM2F fnptr, GLint location, GLfloat v0, GLfloat v1) { -// (*fnptr)(location, v0, v1); -// } -// static void glowUniform2fv(GPUNIFORM2FV fnptr, GLint location, GLsizei count, const GLfloat * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform2i(GPUNIFORM2I fnptr, GLint location, GLint v0, GLint v1) { -// (*fnptr)(location, v0, v1); -// } -// static void glowUniform2iv(GPUNIFORM2IV fnptr, GLint location, GLsizei count, const GLint * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform3f(GPUNIFORM3F fnptr, GLint location, GLfloat v0, GLfloat v1, GLfloat v2) { -// (*fnptr)(location, v0, v1, v2); -// } -// static void glowUniform3fv(GPUNIFORM3FV fnptr, GLint location, GLsizei count, const GLfloat * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform3i(GPUNIFORM3I fnptr, GLint location, GLint v0, GLint v1, GLint v2) { -// (*fnptr)(location, v0, v1, v2); -// } -// static void glowUniform3iv(GPUNIFORM3IV fnptr, GLint location, GLsizei count, const GLint * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform4f(GPUNIFORM4F fnptr, GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) { -// (*fnptr)(location, v0, v1, v2, v3); -// } -// static void glowUniform4fv(GPUNIFORM4FV fnptr, GLint location, GLsizei count, const GLfloat * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniform4i(GPUNIFORM4I fnptr, GLint location, GLint v0, GLint v1, GLint v2, GLint v3) { -// (*fnptr)(location, v0, v1, v2, v3); -// } -// static void glowUniform4iv(GPUNIFORM4IV fnptr, GLint location, GLsizei count, const GLint * value) { -// (*fnptr)(location, count, value); -// } -// static void glowUniformMatrix2fv(GPUNIFORMMATRIX2FV fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value) { -// (*fnptr)(location, count, transpose, value); -// } -// static void glowUniformMatrix3fv(GPUNIFORMMATRIX3FV fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value) { -// (*fnptr)(location, count, transpose, value); -// } -// static void glowUniformMatrix4fv(GPUNIFORMMATRIX4FV fnptr, GLint location, GLsizei count, GLboolean transpose, const GLfloat * value) { -// (*fnptr)(location, count, transpose, value); -// } -// static void glowUseProgram(GPUSEPROGRAM fnptr, GLuint program) { -// (*fnptr)(program); -// } -// static void glowValidateProgram(GPVALIDATEPROGRAM fnptr, GLuint program) { -// (*fnptr)(program); -// } -// static void glowVertexAttrib1f(GPVERTEXATTRIB1F fnptr, GLuint index, GLfloat x) { -// (*fnptr)(index, x); -// } -// static void glowVertexAttrib1fv(GPVERTEXATTRIB1FV fnptr, GLuint index, const GLfloat * v) { -// (*fnptr)(index, v); -// } -// static void glowVertexAttrib2f(GPVERTEXATTRIB2F fnptr, GLuint index, GLfloat x, GLfloat y) { -// (*fnptr)(index, x, y); -// } -// static void glowVertexAttrib2fv(GPVERTEXATTRIB2FV fnptr, GLuint index, const GLfloat * v) { -// (*fnptr)(index, v); -// } -// static void glowVertexAttrib3f(GPVERTEXATTRIB3F fnptr, GLuint index, GLfloat x, GLfloat y, GLfloat z) { -// (*fnptr)(index, x, y, z); -// } -// static void glowVertexAttrib3fv(GPVERTEXATTRIB3FV fnptr, GLuint index, const GLfloat * v) { -// (*fnptr)(index, v); -// } -// static void glowVertexAttrib4f(GPVERTEXATTRIB4F fnptr, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { -// (*fnptr)(index, x, y, z, w); -// } -// static void glowVertexAttrib4fv(GPVERTEXATTRIB4FV fnptr, GLuint index, const GLfloat * v) { -// (*fnptr)(index, v); -// } -// static void glowVertexAttribPointer(GPVERTEXATTRIBPOINTER fnptr, GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void * pointer) { -// (*fnptr)(index, size, type, normalized, stride, pointer); -// } -// static void glowViewport(GPVIEWPORT fnptr, GLint x, GLint y, GLsizei width, GLsizei height) { -// (*fnptr)(x, y, width, height); -// } -import "C" -import ( - "errors" - "unsafe" -) - -const ( - ACTIVE_ATTRIBUTES = 0x8B89 - ACTIVE_ATTRIBUTE_MAX_LENGTH = 0x8B8A - ACTIVE_TEXTURE = 0x84E0 - ACTIVE_UNIFORMS = 0x8B86 - ACTIVE_UNIFORM_MAX_LENGTH = 0x8B87 - ALIASED_LINE_WIDTH_RANGE = 0x846E - ALIASED_POINT_SIZE_RANGE = 0x846D - ALPHA = 0x1906 - ALPHA_BITS = 0x0D55 - ALWAYS = 0x0207 - ARRAY_BUFFER = 0x8892 - ARRAY_BUFFER_BINDING = 0x8894 - ATTACHED_SHADERS = 0x8B85 - BACK = 0x0405 - BLEND = 0x0BE2 - BLEND_DST_ALPHA = 0x80CA - BLEND_DST_RGB = 0x80C8 - BLEND_EQUATION_ALPHA = 0x883D - BLEND_EQUATION_RGB = 0x8009 - BLEND_SRC_ALPHA = 0x80CB - BLEND_SRC_RGB = 0x80C9 - BLUE_BITS = 0x0D54 - BOOL = 0x8B56 - BOOL_VEC2 = 0x8B57 - BOOL_VEC3 = 0x8B58 - BOOL_VEC4 = 0x8B59 - BUFFER_SIZE = 0x8764 - BUFFER_USAGE = 0x8765 - BYTE = 0x1400 - CCW = 0x0901 - CLAMP_TO_EDGE = 0x812F - COLOR_ATTACHMENT0 = 0x8CE0 - COLOR_BUFFER_BIT = 0x00004000 - COLOR_CLEAR_VALUE = 0x0C22 - COLOR_WRITEMASK = 0x0C23 - COMPILE_STATUS = 0x8B81 - COMPRESSED_TEXTURE_FORMATS = 0x86A3 - CONSTANT_ALPHA = 0x8003 - CONSTANT_COLOR = 0x8001 - CULL_FACE = 0x0B44 - CULL_FACE_MODE = 0x0B45 - CURRENT_PROGRAM = 0x8B8D - CURRENT_VERTEX_ATTRIB = 0x8626 - CW = 0x0900 - DECR = 0x1E03 - DECR_WRAP = 0x8508 - DELETE_STATUS = 0x8B80 - DEPTH_ATTACHMENT = 0x8D00 - DEPTH_BITS = 0x0D56 - DEPTH_BUFFER_BIT = 0x00000100 - DEPTH_CLEAR_VALUE = 0x0B73 - DEPTH_COMPONENT = 0x1902 - DEPTH_COMPONENT16 = 0x81A5 - DEPTH_FUNC = 0x0B74 - DEPTH_RANGE = 0x0B70 - DEPTH_TEST = 0x0B71 - DEPTH_WRITEMASK = 0x0B72 - DITHER = 0x0BD0 - DONT_CARE = 0x1100 - DST_ALPHA = 0x0304 - DST_COLOR = 0x0306 - DYNAMIC_DRAW = 0x88E8 - ELEMENT_ARRAY_BUFFER = 0x8893 - ELEMENT_ARRAY_BUFFER_BINDING = 0x8895 - EQUAL = 0x0202 - EXTENSIONS = 0x1F03 - FALSE = 0 - FASTEST = 0x1101 - FLOAT = 0x1406 - FLOAT_MAT2 = 0x8B5A - FLOAT_MAT3 = 0x8B5B - FLOAT_MAT4 = 0x8B5C - FLOAT_VEC2 = 0x8B50 - FLOAT_VEC3 = 0x8B51 - FLOAT_VEC4 = 0x8B52 - FRAGMENT_SHADER = 0x8B30 - FRAMEBUFFER = 0x8D40 - FRAMEBUFFER_ATTACHMENT_OBJECT_NAME = 0x8CD1 - FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = 0x8CD0 - FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE = 0x8CD3 - FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL = 0x8CD2 - FRAMEBUFFER_BINDING = 0x8CA6 - FRAMEBUFFER_COMPLETE = 0x8CD5 - FRAMEBUFFER_INCOMPLETE_ATTACHMENT = 0x8CD6 - FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT = 0x8CD7 - FRAMEBUFFER_UNSUPPORTED = 0x8CDD - FRONT = 0x0404 - FRONT_AND_BACK = 0x0408 - FRONT_FACE = 0x0B46 - FUNC_ADD = 0x8006 - FUNC_REVERSE_SUBTRACT = 0x800B - FUNC_SUBTRACT = 0x800A - GENERATE_MIPMAP_HINT = 0x8192 - GEQUAL = 0x0206 - GREATER = 0x0204 - GREEN_BITS = 0x0D53 - INCR = 0x1E02 - INCR_WRAP = 0x8507 - INFO_LOG_LENGTH = 0x8B84 - INT = 0x1404 - INT_VEC2 = 0x8B53 - INT_VEC3 = 0x8B54 - INT_VEC4 = 0x8B55 - INVALID_ENUM = 0x0500 - INVALID_FRAMEBUFFER_OPERATION = 0x0506 - INVALID_OPERATION = 0x0502 - INVALID_VALUE = 0x0501 - INVERT = 0x150A - KEEP = 0x1E00 - LEQUAL = 0x0203 - LESS = 0x0201 - LINEAR = 0x2601 - LINEAR_MIPMAP_LINEAR = 0x2703 - LINEAR_MIPMAP_NEAREST = 0x2701 - LINES = 0x0001 - LINE_LOOP = 0x0002 - LINE_STRIP = 0x0003 - LINE_WIDTH = 0x0B21 - LINK_STATUS = 0x8B82 - LUMINANCE = 0x1909 - LUMINANCE_ALPHA = 0x190A - MAX_COMBINED_TEXTURE_IMAGE_UNITS = 0x8B4D - MAX_CUBE_MAP_TEXTURE_SIZE = 0x851C - MAX_RENDERBUFFER_SIZE = 0x84E8 - MAX_TEXTURE_IMAGE_UNITS = 0x8872 - MAX_TEXTURE_SIZE = 0x0D33 - MAX_VERTEX_ATTRIBS = 0x8869 - MAX_VERTEX_TEXTURE_IMAGE_UNITS = 0x8B4C - MAX_VIEWPORT_DIMS = 0x0D3A - MIRRORED_REPEAT = 0x8370 - NEAREST = 0x2600 - NEAREST_MIPMAP_LINEAR = 0x2702 - NEAREST_MIPMAP_NEAREST = 0x2700 - NEVER = 0x0200 - NICEST = 0x1102 - NONE = 0 - NOTEQUAL = 0x0205 - NO_ERROR = 0 - NUM_COMPRESSED_TEXTURE_FORMATS = 0x86A2 - ONE = 1 - ONE_MINUS_CONSTANT_ALPHA = 0x8004 - ONE_MINUS_CONSTANT_COLOR = 0x8002 - ONE_MINUS_DST_ALPHA = 0x0305 - ONE_MINUS_DST_COLOR = 0x0307 - ONE_MINUS_SRC_ALPHA = 0x0303 - ONE_MINUS_SRC_COLOR = 0x0301 - OUT_OF_MEMORY = 0x0505 - PACK_ALIGNMENT = 0x0D05 - POINTS = 0x0000 - POLYGON_OFFSET_FACTOR = 0x8038 - POLYGON_OFFSET_FILL = 0x8037 - POLYGON_OFFSET_UNITS = 0x2A00 - RED_BITS = 0x0D52 - RENDERBUFFER = 0x8D41 - RENDERBUFFER_ALPHA_SIZE = 0x8D53 - RENDERBUFFER_BINDING = 0x8CA7 - RENDERBUFFER_BLUE_SIZE = 0x8D52 - RENDERBUFFER_DEPTH_SIZE = 0x8D54 - RENDERBUFFER_GREEN_SIZE = 0x8D51 - RENDERBUFFER_HEIGHT = 0x8D43 - RENDERBUFFER_INTERNAL_FORMAT = 0x8D44 - RENDERBUFFER_RED_SIZE = 0x8D50 - RENDERBUFFER_STENCIL_SIZE = 0x8D55 - RENDERBUFFER_WIDTH = 0x8D42 - RENDERER = 0x1F01 - REPEAT = 0x2901 - REPLACE = 0x1E01 - RGB = 0x1907 - RGB5_A1 = 0x8057 - RGBA = 0x1908 - RGBA4 = 0x8056 - SAMPLER_2D = 0x8B5E - SAMPLER_CUBE = 0x8B60 - SAMPLES = 0x80A9 - SAMPLE_ALPHA_TO_COVERAGE = 0x809E - SAMPLE_BUFFERS = 0x80A8 - SAMPLE_COVERAGE = 0x80A0 - SAMPLE_COVERAGE_INVERT = 0x80AB - SAMPLE_COVERAGE_VALUE = 0x80AA - SCISSOR_BOX = 0x0C10 - SCISSOR_TEST = 0x0C11 - SHADER_SOURCE_LENGTH = 0x8B88 - SHADER_TYPE = 0x8B4F - SHADING_LANGUAGE_VERSION = 0x8B8C - SHORT = 0x1402 - SRC_ALPHA = 0x0302 - SRC_ALPHA_SATURATE = 0x0308 - SRC_COLOR = 0x0300 - STATIC_DRAW = 0x88E4 - STENCIL_ATTACHMENT = 0x8D20 - STENCIL_BACK_FAIL = 0x8801 - STENCIL_BACK_FUNC = 0x8800 - STENCIL_BACK_PASS_DEPTH_FAIL = 0x8802 - STENCIL_BACK_PASS_DEPTH_PASS = 0x8803 - STENCIL_BACK_REF = 0x8CA3 - STENCIL_BACK_VALUE_MASK = 0x8CA4 - STENCIL_BACK_WRITEMASK = 0x8CA5 - STENCIL_BITS = 0x0D57 - STENCIL_BUFFER_BIT = 0x00000400 - STENCIL_CLEAR_VALUE = 0x0B91 - STENCIL_FAIL = 0x0B94 - STENCIL_FUNC = 0x0B92 - STENCIL_INDEX8 = 0x8D48 - STENCIL_PASS_DEPTH_FAIL = 0x0B95 - STENCIL_PASS_DEPTH_PASS = 0x0B96 - STENCIL_REF = 0x0B97 - STENCIL_TEST = 0x0B90 - STENCIL_VALUE_MASK = 0x0B93 - STENCIL_WRITEMASK = 0x0B98 - STREAM_DRAW = 0x88E0 - SUBPIXEL_BITS = 0x0D50 - TEXTURE = 0x1702 - TEXTURE0 = 0x84C0 - TEXTURE1 = 0x84C1 - TEXTURE10 = 0x84CA - TEXTURE11 = 0x84CB - TEXTURE12 = 0x84CC - TEXTURE13 = 0x84CD - TEXTURE14 = 0x84CE - TEXTURE15 = 0x84CF - TEXTURE16 = 0x84D0 - TEXTURE17 = 0x84D1 - TEXTURE18 = 0x84D2 - TEXTURE19 = 0x84D3 - TEXTURE2 = 0x84C2 - TEXTURE20 = 0x84D4 - TEXTURE21 = 0x84D5 - TEXTURE22 = 0x84D6 - TEXTURE23 = 0x84D7 - TEXTURE24 = 0x84D8 - TEXTURE25 = 0x84D9 - TEXTURE26 = 0x84DA - TEXTURE27 = 0x84DB - TEXTURE28 = 0x84DC - TEXTURE29 = 0x84DD - TEXTURE3 = 0x84C3 - TEXTURE30 = 0x84DE - TEXTURE31 = 0x84DF - TEXTURE4 = 0x84C4 - TEXTURE5 = 0x84C5 - TEXTURE6 = 0x84C6 - TEXTURE7 = 0x84C7 - TEXTURE8 = 0x84C8 - TEXTURE9 = 0x84C9 - TEXTURE_2D = 0x0DE1 - TEXTURE_BINDING_2D = 0x8069 - TEXTURE_BINDING_CUBE_MAP = 0x8514 - TEXTURE_CUBE_MAP = 0x8513 - TEXTURE_CUBE_MAP_NEGATIVE_X = 0x8516 - TEXTURE_CUBE_MAP_NEGATIVE_Y = 0x8518 - TEXTURE_CUBE_MAP_NEGATIVE_Z = 0x851A - TEXTURE_CUBE_MAP_POSITIVE_X = 0x8515 - TEXTURE_CUBE_MAP_POSITIVE_Y = 0x8517 - TEXTURE_CUBE_MAP_POSITIVE_Z = 0x8519 - TEXTURE_MAG_FILTER = 0x2800 - TEXTURE_MIN_FILTER = 0x2801 - TEXTURE_WRAP_S = 0x2802 - TEXTURE_WRAP_T = 0x2803 - TRIANGLES = 0x0004 - TRIANGLE_FAN = 0x0006 - TRIANGLE_STRIP = 0x0005 - TRUE = 1 - UNPACK_ALIGNMENT = 0x0CF5 - UNSIGNED_BYTE = 0x1401 - UNSIGNED_INT = 0x1405 - UNSIGNED_SHORT = 0x1403 - UNSIGNED_SHORT_4_4_4_4 = 0x8033 - UNSIGNED_SHORT_5_5_5_1 = 0x8034 - UNSIGNED_SHORT_5_6_5 = 0x8363 - VALIDATE_STATUS = 0x8B83 - VENDOR = 0x1F00 - VERSION = 0x1F02 - VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = 0x889F - VERTEX_ATTRIB_ARRAY_ENABLED = 0x8622 - VERTEX_ATTRIB_ARRAY_NORMALIZED = 0x886A - VERTEX_ATTRIB_ARRAY_POINTER = 0x8645 - VERTEX_ATTRIB_ARRAY_SIZE = 0x8623 - VERTEX_ATTRIB_ARRAY_STRIDE = 0x8624 - VERTEX_ATTRIB_ARRAY_TYPE = 0x8625 - VERTEX_SHADER = 0x8B31 - VIEWPORT = 0x0BA2 - ZERO = 0 -) - -var ( - gpActiveTexture C.GPACTIVETEXTURE - gpAttachShader C.GPATTACHSHADER - gpBindAttribLocation C.GPBINDATTRIBLOCATION - gpBindBuffer C.GPBINDBUFFER - gpBindFramebuffer C.GPBINDFRAMEBUFFER - gpBindRenderbuffer C.GPBINDRENDERBUFFER - gpBindTexture C.GPBINDTEXTURE - gpBlendColor C.GPBLENDCOLOR - gpBlendEquation C.GPBLENDEQUATION - gpBlendEquationSeparate C.GPBLENDEQUATIONSEPARATE - gpBlendFunc C.GPBLENDFUNC - gpBlendFuncSeparate C.GPBLENDFUNCSEPARATE - gpBufferData C.GPBUFFERDATA - gpBufferSubData C.GPBUFFERSUBDATA - gpCheckFramebufferStatus C.GPCHECKFRAMEBUFFERSTATUS - gpClear C.GPCLEAR - gpClearColor C.GPCLEARCOLOR - gpClearStencil C.GPCLEARSTENCIL - gpColorMask C.GPCOLORMASK - gpCompileShader C.GPCOMPILESHADER - gpCompressedTexImage2D C.GPCOMPRESSEDTEXIMAGE2D - gpCompressedTexSubImage2D C.GPCOMPRESSEDTEXSUBIMAGE2D - gpCopyTexImage2D C.GPCOPYTEXIMAGE2D - gpCopyTexSubImage2D C.GPCOPYTEXSUBIMAGE2D - gpCreateProgram C.GPCREATEPROGRAM - gpCreateShader C.GPCREATESHADER - gpCullFace C.GPCULLFACE - gpDeleteBuffers C.GPDELETEBUFFERS - gpDeleteFramebuffers C.GPDELETEFRAMEBUFFERS - gpDeleteProgram C.GPDELETEPROGRAM - gpDeleteRenderbuffers C.GPDELETERENDERBUFFERS - gpDeleteShader C.GPDELETESHADER - gpDeleteTextures C.GPDELETETEXTURES - gpDepthFunc C.GPDEPTHFUNC - gpDepthMask C.GPDEPTHMASK - gpDetachShader C.GPDETACHSHADER - gpDisable C.GPDISABLE - gpDisableVertexAttribArray C.GPDISABLEVERTEXATTRIBARRAY - gpDrawArrays C.GPDRAWARRAYS - gpDrawElements C.GPDRAWELEMENTS - gpEnable C.GPENABLE - gpEnableVertexAttribArray C.GPENABLEVERTEXATTRIBARRAY - gpFinish C.GPFINISH - gpFlush C.GPFLUSH - gpFramebufferRenderbuffer C.GPFRAMEBUFFERRENDERBUFFER - gpFramebufferTexture2D C.GPFRAMEBUFFERTEXTURE2D - gpFrontFace C.GPFRONTFACE - gpGenBuffers C.GPGENBUFFERS - gpGenFramebuffers C.GPGENFRAMEBUFFERS - gpGenRenderbuffers C.GPGENRENDERBUFFERS - gpGenTextures C.GPGENTEXTURES - gpGenerateMipmap C.GPGENERATEMIPMAP - gpGetActiveAttrib C.GPGETACTIVEATTRIB - gpGetActiveUniform C.GPGETACTIVEUNIFORM - gpGetAttachedShaders C.GPGETATTACHEDSHADERS - gpGetAttribLocation C.GPGETATTRIBLOCATION - gpGetBooleanv C.GPGETBOOLEANV - gpGetBufferParameteriv C.GPGETBUFFERPARAMETERIV - gpGetError C.GPGETERROR - gpGetFloatv C.GPGETFLOATV - gpGetFramebufferAttachmentParameteriv C.GPGETFRAMEBUFFERATTACHMENTPARAMETERIV - gpGetIntegerv C.GPGETINTEGERV - gpGetProgramInfoLog C.GPGETPROGRAMINFOLOG - gpGetProgramiv C.GPGETPROGRAMIV - gpGetRenderbufferParameteriv C.GPGETRENDERBUFFERPARAMETERIV - gpGetShaderInfoLog C.GPGETSHADERINFOLOG - gpGetShaderSource C.GPGETSHADERSOURCE - gpGetShaderiv C.GPGETSHADERIV - gpGetString C.GPGETSTRING - gpGetTexParameterfv C.GPGETTEXPARAMETERFV - gpGetTexParameteriv C.GPGETTEXPARAMETERIV - gpGetUniformLocation C.GPGETUNIFORMLOCATION - gpGetUniformfv C.GPGETUNIFORMFV - gpGetUniformiv C.GPGETUNIFORMIV - gpGetVertexAttribPointerv C.GPGETVERTEXATTRIBPOINTERV - gpGetVertexAttribfv C.GPGETVERTEXATTRIBFV - gpGetVertexAttribiv C.GPGETVERTEXATTRIBIV - gpHint C.GPHINT - gpIsBuffer C.GPISBUFFER - gpIsEnabled C.GPISENABLED - gpIsFramebuffer C.GPISFRAMEBUFFER - gpIsProgram C.GPISPROGRAM - gpIsRenderbuffer C.GPISRENDERBUFFER - gpIsShader C.GPISSHADER - gpIsTexture C.GPISTEXTURE - gpLineWidth C.GPLINEWIDTH - gpLinkProgram C.GPLINKPROGRAM - gpPixelStorei C.GPPIXELSTOREI - gpPolygonOffset C.GPPOLYGONOFFSET - gpReadPixels C.GPREADPIXELS - gpRenderbufferStorage C.GPRENDERBUFFERSTORAGE - gpSampleCoverage C.GPSAMPLECOVERAGE - gpScissor C.GPSCISSOR - gpShaderSource C.GPSHADERSOURCE - gpStencilFunc C.GPSTENCILFUNC - gpStencilFuncSeparate C.GPSTENCILFUNCSEPARATE - gpStencilMask C.GPSTENCILMASK - gpStencilMaskSeparate C.GPSTENCILMASKSEPARATE - gpStencilOp C.GPSTENCILOP - gpStencilOpSeparate C.GPSTENCILOPSEPARATE - gpTexImage2D C.GPTEXIMAGE2D - gpTexParameterf C.GPTEXPARAMETERF - gpTexParameterfv C.GPTEXPARAMETERFV - gpTexParameteri C.GPTEXPARAMETERI - gpTexParameteriv C.GPTEXPARAMETERIV - gpTexSubImage2D C.GPTEXSUBIMAGE2D - gpUniform1f C.GPUNIFORM1F - gpUniform1fv C.GPUNIFORM1FV - gpUniform1i C.GPUNIFORM1I - gpUniform1iv C.GPUNIFORM1IV - gpUniform2f C.GPUNIFORM2F - gpUniform2fv C.GPUNIFORM2FV - gpUniform2i C.GPUNIFORM2I - gpUniform2iv C.GPUNIFORM2IV - gpUniform3f C.GPUNIFORM3F - gpUniform3fv C.GPUNIFORM3FV - gpUniform3i C.GPUNIFORM3I - gpUniform3iv C.GPUNIFORM3IV - gpUniform4f C.GPUNIFORM4F - gpUniform4fv C.GPUNIFORM4FV - gpUniform4i C.GPUNIFORM4I - gpUniform4iv C.GPUNIFORM4IV - gpUniformMatrix2fv C.GPUNIFORMMATRIX2FV - gpUniformMatrix3fv C.GPUNIFORMMATRIX3FV - gpUniformMatrix4fv C.GPUNIFORMMATRIX4FV - gpUseProgram C.GPUSEPROGRAM - gpValidateProgram C.GPVALIDATEPROGRAM - gpVertexAttrib1f C.GPVERTEXATTRIB1F - gpVertexAttrib1fv C.GPVERTEXATTRIB1FV - gpVertexAttrib2f C.GPVERTEXATTRIB2F - gpVertexAttrib2fv C.GPVERTEXATTRIB2FV - gpVertexAttrib3f C.GPVERTEXATTRIB3F - gpVertexAttrib3fv C.GPVERTEXATTRIB3FV - gpVertexAttrib4f C.GPVERTEXATTRIB4F - gpVertexAttrib4fv C.GPVERTEXATTRIB4FV - gpVertexAttribPointer C.GPVERTEXATTRIBPOINTER - gpViewport C.GPVIEWPORT -) - -// Helper functions -func boolToInt(b bool) int { - if b { - return 1 - } - return 0 -} -func ActiveTexture(texture uint32) { - C.glowActiveTexture(gpActiveTexture, (C.GLenum)(texture)) -} -func AttachShader(program uint32, shader uint32) { - C.glowAttachShader(gpAttachShader, (C.GLuint)(program), (C.GLuint)(shader)) -} -func BindAttribLocation(program uint32, index uint32, name *uint8) { - C.glowBindAttribLocation(gpBindAttribLocation, (C.GLuint)(program), (C.GLuint)(index), (*C.GLchar)(unsafe.Pointer(name))) -} -func BindBuffer(target uint32, buffer uint32) { - C.glowBindBuffer(gpBindBuffer, (C.GLenum)(target), (C.GLuint)(buffer)) -} -func BindFramebuffer(target uint32, framebuffer uint32) { - C.glowBindFramebuffer(gpBindFramebuffer, (C.GLenum)(target), (C.GLuint)(framebuffer)) -} -func BindRenderbuffer(target uint32, renderbuffer uint32) { - C.glowBindRenderbuffer(gpBindRenderbuffer, (C.GLenum)(target), (C.GLuint)(renderbuffer)) -} -func BindTexture(target uint32, texture uint32) { - C.glowBindTexture(gpBindTexture, (C.GLenum)(target), (C.GLuint)(texture)) -} -func BlendColor(red float32, green float32, blue float32, alpha float32) { - C.glowBlendColor(gpBlendColor, (C.GLfloat)(red), (C.GLfloat)(green), (C.GLfloat)(blue), (C.GLfloat)(alpha)) -} -func BlendEquation(mode uint32) { - C.glowBlendEquation(gpBlendEquation, (C.GLenum)(mode)) -} -func BlendEquationSeparate(modeRGB uint32, modeAlpha uint32) { - C.glowBlendEquationSeparate(gpBlendEquationSeparate, (C.GLenum)(modeRGB), (C.GLenum)(modeAlpha)) -} -func BlendFunc(sfactor uint32, dfactor uint32) { - C.glowBlendFunc(gpBlendFunc, (C.GLenum)(sfactor), (C.GLenum)(dfactor)) -} -func BlendFuncSeparate(sfactorRGB uint32, dfactorRGB uint32, sfactorAlpha uint32, dfactorAlpha uint32) { - C.glowBlendFuncSeparate(gpBlendFuncSeparate, (C.GLenum)(sfactorRGB), (C.GLenum)(dfactorRGB), (C.GLenum)(sfactorAlpha), (C.GLenum)(dfactorAlpha)) -} -func BufferData(target uint32, size int, data unsafe.Pointer, usage uint32) { - C.glowBufferData(gpBufferData, (C.GLenum)(target), (C.GLsizeiptr)(size), data, (C.GLenum)(usage)) -} -func BufferSubData(target uint32, offset int, size int, data unsafe.Pointer) { - C.glowBufferSubData(gpBufferSubData, (C.GLenum)(target), (C.GLintptr)(offset), (C.GLsizeiptr)(size), data) -} -func CheckFramebufferStatus(target uint32) uint32 { - ret := C.glowCheckFramebufferStatus(gpCheckFramebufferStatus, (C.GLenum)(target)) - return (uint32)(ret) -} -func Clear(mask uint32) { - C.glowClear(gpClear, (C.GLbitfield)(mask)) -} -func ClearColor(red float32, green float32, blue float32, alpha float32) { - C.glowClearColor(gpClearColor, (C.GLfloat)(red), (C.GLfloat)(green), (C.GLfloat)(blue), (C.GLfloat)(alpha)) -} -func ClearStencil(s int32) { - C.glowClearStencil(gpClearStencil, (C.GLint)(s)) -} -func ColorMask(red bool, green bool, blue bool, alpha bool) { - C.glowColorMask(gpColorMask, (C.GLboolean)(boolToInt(red)), (C.GLboolean)(boolToInt(green)), (C.GLboolean)(boolToInt(blue)), (C.GLboolean)(boolToInt(alpha))) -} -func CompileShader(shader uint32) { - C.glowCompileShader(gpCompileShader, (C.GLuint)(shader)) -} -func CompressedTexImage2D(target uint32, level int32, internalformat uint32, width int32, height int32, border int32, imageSize int32, data unsafe.Pointer) { - C.glowCompressedTexImage2D(gpCompressedTexImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLenum)(internalformat), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLint)(border), (C.GLsizei)(imageSize), data) -} -func CompressedTexSubImage2D(target uint32, level int32, xoffset int32, yoffset int32, width int32, height int32, format uint32, imageSize int32, data unsafe.Pointer) { - C.glowCompressedTexSubImage2D(gpCompressedTexSubImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLint)(xoffset), (C.GLint)(yoffset), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLenum)(format), (C.GLsizei)(imageSize), data) -} -func CopyTexImage2D(target uint32, level int32, internalformat uint32, x int32, y int32, width int32, height int32, border int32) { - C.glowCopyTexImage2D(gpCopyTexImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLenum)(internalformat), (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLint)(border)) -} -func CopyTexSubImage2D(target uint32, level int32, xoffset int32, yoffset int32, x int32, y int32, width int32, height int32) { - C.glowCopyTexSubImage2D(gpCopyTexSubImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLint)(xoffset), (C.GLint)(yoffset), (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height)) -} -func CreateProgram() uint32 { - ret := C.glowCreateProgram(gpCreateProgram) - return (uint32)(ret) -} -func CreateShader(xtype uint32) uint32 { - ret := C.glowCreateShader(gpCreateShader, (C.GLenum)(xtype)) - return (uint32)(ret) -} -func CullFace(mode uint32) { - C.glowCullFace(gpCullFace, (C.GLenum)(mode)) -} -func DeleteBuffers(n int32, buffers *uint32) { - C.glowDeleteBuffers(gpDeleteBuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(buffers))) -} -func DeleteFramebuffers(n int32, framebuffers *uint32) { - C.glowDeleteFramebuffers(gpDeleteFramebuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(framebuffers))) -} -func DeleteProgram(program uint32) { - C.glowDeleteProgram(gpDeleteProgram, (C.GLuint)(program)) -} -func DeleteRenderbuffers(n int32, renderbuffers *uint32) { - C.glowDeleteRenderbuffers(gpDeleteRenderbuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(renderbuffers))) -} -func DeleteShader(shader uint32) { - C.glowDeleteShader(gpDeleteShader, (C.GLuint)(shader)) -} -func DeleteTextures(n int32, textures *uint32) { - C.glowDeleteTextures(gpDeleteTextures, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(textures))) -} -func DepthFunc(xfunc uint32) { - C.glowDepthFunc(gpDepthFunc, (C.GLenum)(xfunc)) -} -func DepthMask(flag bool) { - C.glowDepthMask(gpDepthMask, (C.GLboolean)(boolToInt(flag))) -} -func DetachShader(program uint32, shader uint32) { - C.glowDetachShader(gpDetachShader, (C.GLuint)(program), (C.GLuint)(shader)) -} -func Disable(cap uint32) { - C.glowDisable(gpDisable, (C.GLenum)(cap)) -} -func DisableVertexAttribArray(index uint32) { - C.glowDisableVertexAttribArray(gpDisableVertexAttribArray, (C.GLuint)(index)) -} -func DrawArrays(mode uint32, first int32, count int32) { - C.glowDrawArrays(gpDrawArrays, (C.GLenum)(mode), (C.GLint)(first), (C.GLsizei)(count)) -} -func DrawElements(mode uint32, count int32, xtype uint32, indices unsafe.Pointer) { - C.glowDrawElements(gpDrawElements, (C.GLenum)(mode), (C.GLsizei)(count), (C.GLenum)(xtype), indices) -} -func Enable(cap uint32) { - C.glowEnable(gpEnable, (C.GLenum)(cap)) -} -func EnableVertexAttribArray(index uint32) { - C.glowEnableVertexAttribArray(gpEnableVertexAttribArray, (C.GLuint)(index)) -} -func Finish() { - C.glowFinish(gpFinish) -} -func Flush() { - C.glowFlush(gpFlush) -} -func FramebufferRenderbuffer(target uint32, attachment uint32, renderbuffertarget uint32, renderbuffer uint32) { - C.glowFramebufferRenderbuffer(gpFramebufferRenderbuffer, (C.GLenum)(target), (C.GLenum)(attachment), (C.GLenum)(renderbuffertarget), (C.GLuint)(renderbuffer)) -} -func FramebufferTexture2D(target uint32, attachment uint32, textarget uint32, texture uint32, level int32) { - C.glowFramebufferTexture2D(gpFramebufferTexture2D, (C.GLenum)(target), (C.GLenum)(attachment), (C.GLenum)(textarget), (C.GLuint)(texture), (C.GLint)(level)) -} -func FrontFace(mode uint32) { - C.glowFrontFace(gpFrontFace, (C.GLenum)(mode)) -} -func GenBuffers(n int32, buffers *uint32) { - C.glowGenBuffers(gpGenBuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(buffers))) -} -func GenFramebuffers(n int32, framebuffers *uint32) { - C.glowGenFramebuffers(gpGenFramebuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(framebuffers))) -} -func GenRenderbuffers(n int32, renderbuffers *uint32) { - C.glowGenRenderbuffers(gpGenRenderbuffers, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(renderbuffers))) -} -func GenTextures(n int32, textures *uint32) { - C.glowGenTextures(gpGenTextures, (C.GLsizei)(n), (*C.GLuint)(unsafe.Pointer(textures))) -} -func GenerateMipmap(target uint32) { - C.glowGenerateMipmap(gpGenerateMipmap, (C.GLenum)(target)) -} -func GetActiveAttrib(program uint32, index uint32, bufSize int32, length *int32, size *int32, xtype *uint32, name *uint8) { - C.glowGetActiveAttrib(gpGetActiveAttrib, (C.GLuint)(program), (C.GLuint)(index), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLint)(unsafe.Pointer(size)), (*C.GLenum)(unsafe.Pointer(xtype)), (*C.GLchar)(unsafe.Pointer(name))) -} -func GetActiveUniform(program uint32, index uint32, bufSize int32, length *int32, size *int32, xtype *uint32, name *uint8) { - C.glowGetActiveUniform(gpGetActiveUniform, (C.GLuint)(program), (C.GLuint)(index), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLint)(unsafe.Pointer(size)), (*C.GLenum)(unsafe.Pointer(xtype)), (*C.GLchar)(unsafe.Pointer(name))) -} -func GetAttachedShaders(program uint32, maxCount int32, count *int32, shaders *uint32) { - C.glowGetAttachedShaders(gpGetAttachedShaders, (C.GLuint)(program), (C.GLsizei)(maxCount), (*C.GLsizei)(unsafe.Pointer(count)), (*C.GLuint)(unsafe.Pointer(shaders))) -} -func GetAttribLocation(program uint32, name *uint8) int32 { - ret := C.glowGetAttribLocation(gpGetAttribLocation, (C.GLuint)(program), (*C.GLchar)(unsafe.Pointer(name))) - return (int32)(ret) -} -func GetBooleanv(pname uint32, data *bool) { - C.glowGetBooleanv(gpGetBooleanv, (C.GLenum)(pname), (*C.GLboolean)(unsafe.Pointer(data))) -} -func GetBufferParameteriv(target uint32, pname uint32, params *int32) { - C.glowGetBufferParameteriv(gpGetBufferParameteriv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetError() uint32 { - ret := C.glowGetError(gpGetError) - return (uint32)(ret) -} -func GetFloatv(pname uint32, data *float32) { - C.glowGetFloatv(gpGetFloatv, (C.GLenum)(pname), (*C.GLfloat)(unsafe.Pointer(data))) -} -func GetFramebufferAttachmentParameteriv(target uint32, attachment uint32, pname uint32, params *int32) { - C.glowGetFramebufferAttachmentParameteriv(gpGetFramebufferAttachmentParameteriv, (C.GLenum)(target), (C.GLenum)(attachment), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetIntegerv(pname uint32, data *int32) { - C.glowGetIntegerv(gpGetIntegerv, (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(data))) -} -func GetProgramInfoLog(program uint32, bufSize int32, length *int32, infoLog *uint8) { - C.glowGetProgramInfoLog(gpGetProgramInfoLog, (C.GLuint)(program), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLchar)(unsafe.Pointer(infoLog))) -} -func GetProgramiv(program uint32, pname uint32, params *int32) { - C.glowGetProgramiv(gpGetProgramiv, (C.GLuint)(program), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetRenderbufferParameteriv(target uint32, pname uint32, params *int32) { - C.glowGetRenderbufferParameteriv(gpGetRenderbufferParameteriv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetShaderInfoLog(shader uint32, bufSize int32, length *int32, infoLog *uint8) { - C.glowGetShaderInfoLog(gpGetShaderInfoLog, (C.GLuint)(shader), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLchar)(unsafe.Pointer(infoLog))) -} -func GetShaderSource(shader uint32, bufSize int32, length *int32, source *uint8) { - C.glowGetShaderSource(gpGetShaderSource, (C.GLuint)(shader), (C.GLsizei)(bufSize), (*C.GLsizei)(unsafe.Pointer(length)), (*C.GLchar)(unsafe.Pointer(source))) -} -func GetShaderiv(shader uint32, pname uint32, params *int32) { - C.glowGetShaderiv(gpGetShaderiv, (C.GLuint)(shader), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetString(name uint32) *uint8 { - ret := C.glowGetString(gpGetString, (C.GLenum)(name)) - return (*uint8)(ret) -} -func GetTexParameterfv(target uint32, pname uint32, params *float32) { - C.glowGetTexParameterfv(gpGetTexParameterfv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLfloat)(unsafe.Pointer(params))) -} -func GetTexParameteriv(target uint32, pname uint32, params *int32) { - C.glowGetTexParameteriv(gpGetTexParameteriv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func GetUniformLocation(program uint32, name *uint8) int32 { - ret := C.glowGetUniformLocation(gpGetUniformLocation, (C.GLuint)(program), (*C.GLchar)(unsafe.Pointer(name))) - return (int32)(ret) -} -func GetUniformfv(program uint32, location int32, params *float32) { - C.glowGetUniformfv(gpGetUniformfv, (C.GLuint)(program), (C.GLint)(location), (*C.GLfloat)(unsafe.Pointer(params))) -} -func GetUniformiv(program uint32, location int32, params *int32) { - C.glowGetUniformiv(gpGetUniformiv, (C.GLuint)(program), (C.GLint)(location), (*C.GLint)(unsafe.Pointer(params))) -} -func GetVertexAttribPointerv(index uint32, pname uint32, pointer *unsafe.Pointer) { - C.glowGetVertexAttribPointerv(gpGetVertexAttribPointerv, (C.GLuint)(index), (C.GLenum)(pname), pointer) -} -func GetVertexAttribfv(index uint32, pname uint32, params *float32) { - C.glowGetVertexAttribfv(gpGetVertexAttribfv, (C.GLuint)(index), (C.GLenum)(pname), (*C.GLfloat)(unsafe.Pointer(params))) -} -func GetVertexAttribiv(index uint32, pname uint32, params *int32) { - C.glowGetVertexAttribiv(gpGetVertexAttribiv, (C.GLuint)(index), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func Hint(target uint32, mode uint32) { - C.glowHint(gpHint, (C.GLenum)(target), (C.GLenum)(mode)) -} -func IsBuffer(buffer uint32) bool { - ret := C.glowIsBuffer(gpIsBuffer, (C.GLuint)(buffer)) - return ret == TRUE -} -func IsEnabled(cap uint32) bool { - ret := C.glowIsEnabled(gpIsEnabled, (C.GLenum)(cap)) - return ret == TRUE -} -func IsFramebuffer(framebuffer uint32) bool { - ret := C.glowIsFramebuffer(gpIsFramebuffer, (C.GLuint)(framebuffer)) - return ret == TRUE -} -func IsProgram(program uint32) bool { - ret := C.glowIsProgram(gpIsProgram, (C.GLuint)(program)) - return ret == TRUE -} -func IsRenderbuffer(renderbuffer uint32) bool { - ret := C.glowIsRenderbuffer(gpIsRenderbuffer, (C.GLuint)(renderbuffer)) - return ret == TRUE -} -func IsShader(shader uint32) bool { - ret := C.glowIsShader(gpIsShader, (C.GLuint)(shader)) - return ret == TRUE -} -func IsTexture(texture uint32) bool { - ret := C.glowIsTexture(gpIsTexture, (C.GLuint)(texture)) - return ret == TRUE -} -func LineWidth(width float32) { - C.glowLineWidth(gpLineWidth, (C.GLfloat)(width)) -} -func LinkProgram(program uint32) { - C.glowLinkProgram(gpLinkProgram, (C.GLuint)(program)) -} -func PixelStorei(pname uint32, param int32) { - C.glowPixelStorei(gpPixelStorei, (C.GLenum)(pname), (C.GLint)(param)) -} -func PolygonOffset(factor float32, units float32) { - C.glowPolygonOffset(gpPolygonOffset, (C.GLfloat)(factor), (C.GLfloat)(units)) -} -func ReadPixels(x int32, y int32, width int32, height int32, format uint32, xtype uint32, pixels unsafe.Pointer) { - C.glowReadPixels(gpReadPixels, (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLenum)(format), (C.GLenum)(xtype), pixels) -} -func RenderbufferStorage(target uint32, internalformat uint32, width int32, height int32) { - C.glowRenderbufferStorage(gpRenderbufferStorage, (C.GLenum)(target), (C.GLenum)(internalformat), (C.GLsizei)(width), (C.GLsizei)(height)) -} -func SampleCoverage(value float32, invert bool) { - C.glowSampleCoverage(gpSampleCoverage, (C.GLfloat)(value), (C.GLboolean)(boolToInt(invert))) -} -func Scissor(x int32, y int32, width int32, height int32) { - C.glowScissor(gpScissor, (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height)) -} -func ShaderSource(shader uint32, count int32, xstring **uint8, length *int32) { - C.glowShaderSource(gpShaderSource, (C.GLuint)(shader), (C.GLsizei)(count), (**C.GLchar)(unsafe.Pointer(xstring)), (*C.GLint)(unsafe.Pointer(length))) -} -func StencilFunc(xfunc uint32, ref int32, mask uint32) { - C.glowStencilFunc(gpStencilFunc, (C.GLenum)(xfunc), (C.GLint)(ref), (C.GLuint)(mask)) -} -func StencilFuncSeparate(face uint32, xfunc uint32, ref int32, mask uint32) { - C.glowStencilFuncSeparate(gpStencilFuncSeparate, (C.GLenum)(face), (C.GLenum)(xfunc), (C.GLint)(ref), (C.GLuint)(mask)) -} -func StencilMask(mask uint32) { - C.glowStencilMask(gpStencilMask, (C.GLuint)(mask)) -} -func StencilMaskSeparate(face uint32, mask uint32) { - C.glowStencilMaskSeparate(gpStencilMaskSeparate, (C.GLenum)(face), (C.GLuint)(mask)) -} -func StencilOp(fail uint32, zfail uint32, zpass uint32) { - C.glowStencilOp(gpStencilOp, (C.GLenum)(fail), (C.GLenum)(zfail), (C.GLenum)(zpass)) -} -func StencilOpSeparate(face uint32, sfail uint32, dpfail uint32, dppass uint32) { - C.glowStencilOpSeparate(gpStencilOpSeparate, (C.GLenum)(face), (C.GLenum)(sfail), (C.GLenum)(dpfail), (C.GLenum)(dppass)) -} -func TexImage2D(target uint32, level int32, internalformat int32, width int32, height int32, border int32, format uint32, xtype uint32, pixels unsafe.Pointer) { - C.glowTexImage2D(gpTexImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLint)(internalformat), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLint)(border), (C.GLenum)(format), (C.GLenum)(xtype), pixels) -} -func TexParameterf(target uint32, pname uint32, param float32) { - C.glowTexParameterf(gpTexParameterf, (C.GLenum)(target), (C.GLenum)(pname), (C.GLfloat)(param)) -} -func TexParameterfv(target uint32, pname uint32, params *float32) { - C.glowTexParameterfv(gpTexParameterfv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLfloat)(unsafe.Pointer(params))) -} -func TexParameteri(target uint32, pname uint32, param int32) { - C.glowTexParameteri(gpTexParameteri, (C.GLenum)(target), (C.GLenum)(pname), (C.GLint)(param)) -} -func TexParameteriv(target uint32, pname uint32, params *int32) { - C.glowTexParameteriv(gpTexParameteriv, (C.GLenum)(target), (C.GLenum)(pname), (*C.GLint)(unsafe.Pointer(params))) -} -func TexSubImage2D(target uint32, level int32, xoffset int32, yoffset int32, width int32, height int32, format uint32, xtype uint32, pixels unsafe.Pointer) { - C.glowTexSubImage2D(gpTexSubImage2D, (C.GLenum)(target), (C.GLint)(level), (C.GLint)(xoffset), (C.GLint)(yoffset), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLenum)(format), (C.GLenum)(xtype), pixels) -} -func Uniform1f(location int32, v0 float32) { - C.glowUniform1f(gpUniform1f, (C.GLint)(location), (C.GLfloat)(v0)) -} -func Uniform1fv(location int32, count int32, value *float32) { - C.glowUniform1fv(gpUniform1fv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLfloat)(unsafe.Pointer(value))) -} -func Uniform1i(location int32, v0 int32) { - C.glowUniform1i(gpUniform1i, (C.GLint)(location), (C.GLint)(v0)) -} -func Uniform1iv(location int32, count int32, value *int32) { - C.glowUniform1iv(gpUniform1iv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLint)(unsafe.Pointer(value))) -} -func Uniform2f(location int32, v0 float32, v1 float32) { - C.glowUniform2f(gpUniform2f, (C.GLint)(location), (C.GLfloat)(v0), (C.GLfloat)(v1)) -} -func Uniform2fv(location int32, count int32, value *float32) { - C.glowUniform2fv(gpUniform2fv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLfloat)(unsafe.Pointer(value))) -} -func Uniform2i(location int32, v0 int32, v1 int32) { - C.glowUniform2i(gpUniform2i, (C.GLint)(location), (C.GLint)(v0), (C.GLint)(v1)) -} -func Uniform2iv(location int32, count int32, value *int32) { - C.glowUniform2iv(gpUniform2iv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLint)(unsafe.Pointer(value))) -} -func Uniform3f(location int32, v0 float32, v1 float32, v2 float32) { - C.glowUniform3f(gpUniform3f, (C.GLint)(location), (C.GLfloat)(v0), (C.GLfloat)(v1), (C.GLfloat)(v2)) -} -func Uniform3fv(location int32, count int32, value *float32) { - C.glowUniform3fv(gpUniform3fv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLfloat)(unsafe.Pointer(value))) -} -func Uniform3i(location int32, v0 int32, v1 int32, v2 int32) { - C.glowUniform3i(gpUniform3i, (C.GLint)(location), (C.GLint)(v0), (C.GLint)(v1), (C.GLint)(v2)) -} -func Uniform3iv(location int32, count int32, value *int32) { - C.glowUniform3iv(gpUniform3iv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLint)(unsafe.Pointer(value))) -} -func Uniform4f(location int32, v0 float32, v1 float32, v2 float32, v3 float32) { - C.glowUniform4f(gpUniform4f, (C.GLint)(location), (C.GLfloat)(v0), (C.GLfloat)(v1), (C.GLfloat)(v2), (C.GLfloat)(v3)) -} -func Uniform4fv(location int32, count int32, value *float32) { - C.glowUniform4fv(gpUniform4fv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLfloat)(unsafe.Pointer(value))) -} -func Uniform4i(location int32, v0 int32, v1 int32, v2 int32, v3 int32) { - C.glowUniform4i(gpUniform4i, (C.GLint)(location), (C.GLint)(v0), (C.GLint)(v1), (C.GLint)(v2), (C.GLint)(v3)) -} -func Uniform4iv(location int32, count int32, value *int32) { - C.glowUniform4iv(gpUniform4iv, (C.GLint)(location), (C.GLsizei)(count), (*C.GLint)(unsafe.Pointer(value))) -} -func UniformMatrix2fv(location int32, count int32, transpose bool, value *float32) { - C.glowUniformMatrix2fv(gpUniformMatrix2fv, (C.GLint)(location), (C.GLsizei)(count), (C.GLboolean)(boolToInt(transpose)), (*C.GLfloat)(unsafe.Pointer(value))) -} -func UniformMatrix3fv(location int32, count int32, transpose bool, value *float32) { - C.glowUniformMatrix3fv(gpUniformMatrix3fv, (C.GLint)(location), (C.GLsizei)(count), (C.GLboolean)(boolToInt(transpose)), (*C.GLfloat)(unsafe.Pointer(value))) -} -func UniformMatrix4fv(location int32, count int32, transpose bool, value *float32) { - C.glowUniformMatrix4fv(gpUniformMatrix4fv, (C.GLint)(location), (C.GLsizei)(count), (C.GLboolean)(boolToInt(transpose)), (*C.GLfloat)(unsafe.Pointer(value))) -} -func UseProgram(program uint32) { - C.glowUseProgram(gpUseProgram, (C.GLuint)(program)) -} -func ValidateProgram(program uint32) { - C.glowValidateProgram(gpValidateProgram, (C.GLuint)(program)) -} -func VertexAttrib1f(index uint32, x float32) { - C.glowVertexAttrib1f(gpVertexAttrib1f, (C.GLuint)(index), (C.GLfloat)(x)) -} -func VertexAttrib1fv(index uint32, v *float32) { - C.glowVertexAttrib1fv(gpVertexAttrib1fv, (C.GLuint)(index), (*C.GLfloat)(unsafe.Pointer(v))) -} -func VertexAttrib2f(index uint32, x float32, y float32) { - C.glowVertexAttrib2f(gpVertexAttrib2f, (C.GLuint)(index), (C.GLfloat)(x), (C.GLfloat)(y)) -} -func VertexAttrib2fv(index uint32, v *float32) { - C.glowVertexAttrib2fv(gpVertexAttrib2fv, (C.GLuint)(index), (*C.GLfloat)(unsafe.Pointer(v))) -} -func VertexAttrib3f(index uint32, x float32, y float32, z float32) { - C.glowVertexAttrib3f(gpVertexAttrib3f, (C.GLuint)(index), (C.GLfloat)(x), (C.GLfloat)(y), (C.GLfloat)(z)) -} -func VertexAttrib3fv(index uint32, v *float32) { - C.glowVertexAttrib3fv(gpVertexAttrib3fv, (C.GLuint)(index), (*C.GLfloat)(unsafe.Pointer(v))) -} -func VertexAttrib4f(index uint32, x float32, y float32, z float32, w float32) { - C.glowVertexAttrib4f(gpVertexAttrib4f, (C.GLuint)(index), (C.GLfloat)(x), (C.GLfloat)(y), (C.GLfloat)(z), (C.GLfloat)(w)) -} -func VertexAttrib4fv(index uint32, v *float32) { - C.glowVertexAttrib4fv(gpVertexAttrib4fv, (C.GLuint)(index), (*C.GLfloat)(unsafe.Pointer(v))) -} -func VertexAttribPointer(index uint32, size int32, xtype uint32, normalized bool, stride int32, pointer unsafe.Pointer) { - C.glowVertexAttribPointer(gpVertexAttribPointer, (C.GLuint)(index), (C.GLint)(size), (C.GLenum)(xtype), (C.GLboolean)(boolToInt(normalized)), (C.GLsizei)(stride), pointer) -} -func Viewport(x int32, y int32, width int32, height int32) { - C.glowViewport(gpViewport, (C.GLint)(x), (C.GLint)(y), (C.GLsizei)(width), (C.GLsizei)(height)) -} - -// Init initializes the OpenGL bindings by loading the function pointers (for -// each OpenGL function) from the active OpenGL context. -// -// It must be called under the presence of an active OpenGL context, e.g., -// always after calling window.MakeContextCurrent() and always before calling -// any OpenGL functions exported by this package. -// -// On Windows, Init loads pointers that are context-specific (and hence you -// must re-init if switching between OpenGL contexts, although not calling Init -// again after switching between OpenGL contexts may work if the contexts belong -// to the same graphics driver/device). -// -// On macOS and the other POSIX systems, the behavior is different, but code -// written compatible with the Windows behavior is compatible with macOS and the -// other POSIX systems. That is, always Init under an active OpenGL context, and -// always re-init after switching graphics contexts. -// -// For information about caveats of Init, you should read the "Platform Specific -// Function Retrieval" section of https://www.opengl.org/wiki/Load_OpenGL_Functions. -func Init() error { - return InitWithProcAddrFunc(getProcAddress) -} - -// InitWithProcAddrFunc intializes the package using the specified OpenGL -// function pointer loading function. For more cases Init should be used -// instead. -func InitWithProcAddrFunc(getProcAddr func(name string) unsafe.Pointer) error { - gpActiveTexture = (C.GPACTIVETEXTURE)(getProcAddr("glActiveTexture")) - if gpActiveTexture == nil { - return errors.New("glActiveTexture") - } - gpAttachShader = (C.GPATTACHSHADER)(getProcAddr("glAttachShader")) - if gpAttachShader == nil { - return errors.New("glAttachShader") - } - gpBindAttribLocation = (C.GPBINDATTRIBLOCATION)(getProcAddr("glBindAttribLocation")) - if gpBindAttribLocation == nil { - return errors.New("glBindAttribLocation") - } - gpBindBuffer = (C.GPBINDBUFFER)(getProcAddr("glBindBuffer")) - if gpBindBuffer == nil { - return errors.New("glBindBuffer") - } - gpBindFramebuffer = (C.GPBINDFRAMEBUFFER)(getProcAddr("glBindFramebuffer")) - if gpBindFramebuffer == nil { - return errors.New("glBindFramebuffer") - } - gpBindRenderbuffer = (C.GPBINDRENDERBUFFER)(getProcAddr("glBindRenderbuffer")) - if gpBindRenderbuffer == nil { - return errors.New("glBindRenderbuffer") - } - gpBindTexture = (C.GPBINDTEXTURE)(getProcAddr("glBindTexture")) - if gpBindTexture == nil { - return errors.New("glBindTexture") - } - gpBlendColor = (C.GPBLENDCOLOR)(getProcAddr("glBlendColor")) - if gpBlendColor == nil { - return errors.New("glBlendColor") - } - gpBlendEquation = (C.GPBLENDEQUATION)(getProcAddr("glBlendEquation")) - if gpBlendEquation == nil { - return errors.New("glBlendEquation") - } - gpBlendEquationSeparate = (C.GPBLENDEQUATIONSEPARATE)(getProcAddr("glBlendEquationSeparate")) - if gpBlendEquationSeparate == nil { - return errors.New("glBlendEquationSeparate") - } - gpBlendFunc = (C.GPBLENDFUNC)(getProcAddr("glBlendFunc")) - if gpBlendFunc == nil { - return errors.New("glBlendFunc") - } - gpBlendFuncSeparate = (C.GPBLENDFUNCSEPARATE)(getProcAddr("glBlendFuncSeparate")) - if gpBlendFuncSeparate == nil { - return errors.New("glBlendFuncSeparate") - } - gpBufferData = (C.GPBUFFERDATA)(getProcAddr("glBufferData")) - if gpBufferData == nil { - return errors.New("glBufferData") - } - gpBufferSubData = (C.GPBUFFERSUBDATA)(getProcAddr("glBufferSubData")) - if gpBufferSubData == nil { - return errors.New("glBufferSubData") - } - gpCheckFramebufferStatus = (C.GPCHECKFRAMEBUFFERSTATUS)(getProcAddr("glCheckFramebufferStatus")) - if gpCheckFramebufferStatus == nil { - return errors.New("glCheckFramebufferStatus") - } - gpClear = (C.GPCLEAR)(getProcAddr("glClear")) - if gpClear == nil { - return errors.New("glClear") - } - gpClearColor = (C.GPCLEARCOLOR)(getProcAddr("glClearColor")) - if gpClearColor == nil { - return errors.New("glClearColor") - } - gpClearStencil = (C.GPCLEARSTENCIL)(getProcAddr("glClearStencil")) - if gpClearStencil == nil { - return errors.New("glClearStencil") - } - gpColorMask = (C.GPCOLORMASK)(getProcAddr("glColorMask")) - if gpColorMask == nil { - return errors.New("glColorMask") - } - gpCompileShader = (C.GPCOMPILESHADER)(getProcAddr("glCompileShader")) - if gpCompileShader == nil { - return errors.New("glCompileShader") - } - gpCompressedTexImage2D = (C.GPCOMPRESSEDTEXIMAGE2D)(getProcAddr("glCompressedTexImage2D")) - if gpCompressedTexImage2D == nil { - return errors.New("glCompressedTexImage2D") - } - gpCompressedTexSubImage2D = (C.GPCOMPRESSEDTEXSUBIMAGE2D)(getProcAddr("glCompressedTexSubImage2D")) - if gpCompressedTexSubImage2D == nil { - return errors.New("glCompressedTexSubImage2D") - } - gpCopyTexImage2D = (C.GPCOPYTEXIMAGE2D)(getProcAddr("glCopyTexImage2D")) - if gpCopyTexImage2D == nil { - return errors.New("glCopyTexImage2D") - } - gpCopyTexSubImage2D = (C.GPCOPYTEXSUBIMAGE2D)(getProcAddr("glCopyTexSubImage2D")) - if gpCopyTexSubImage2D == nil { - return errors.New("glCopyTexSubImage2D") - } - gpCreateProgram = (C.GPCREATEPROGRAM)(getProcAddr("glCreateProgram")) - if gpCreateProgram == nil { - return errors.New("glCreateProgram") - } - gpCreateShader = (C.GPCREATESHADER)(getProcAddr("glCreateShader")) - if gpCreateShader == nil { - return errors.New("glCreateShader") - } - gpCullFace = (C.GPCULLFACE)(getProcAddr("glCullFace")) - if gpCullFace == nil { - return errors.New("glCullFace") - } - gpDeleteBuffers = (C.GPDELETEBUFFERS)(getProcAddr("glDeleteBuffers")) - if gpDeleteBuffers == nil { - return errors.New("glDeleteBuffers") - } - gpDeleteFramebuffers = (C.GPDELETEFRAMEBUFFERS)(getProcAddr("glDeleteFramebuffers")) - if gpDeleteFramebuffers == nil { - return errors.New("glDeleteFramebuffers") - } - gpDeleteProgram = (C.GPDELETEPROGRAM)(getProcAddr("glDeleteProgram")) - if gpDeleteProgram == nil { - return errors.New("glDeleteProgram") - } - gpDeleteRenderbuffers = (C.GPDELETERENDERBUFFERS)(getProcAddr("glDeleteRenderbuffers")) - if gpDeleteRenderbuffers == nil { - return errors.New("glDeleteRenderbuffers") - } - gpDeleteShader = (C.GPDELETESHADER)(getProcAddr("glDeleteShader")) - if gpDeleteShader == nil { - return errors.New("glDeleteShader") - } - gpDeleteTextures = (C.GPDELETETEXTURES)(getProcAddr("glDeleteTextures")) - if gpDeleteTextures == nil { - return errors.New("glDeleteTextures") - } - gpDepthFunc = (C.GPDEPTHFUNC)(getProcAddr("glDepthFunc")) - if gpDepthFunc == nil { - return errors.New("glDepthFunc") - } - gpDepthMask = (C.GPDEPTHMASK)(getProcAddr("glDepthMask")) - if gpDepthMask == nil { - return errors.New("glDepthMask") - } - gpDetachShader = (C.GPDETACHSHADER)(getProcAddr("glDetachShader")) - if gpDetachShader == nil { - return errors.New("glDetachShader") - } - gpDisable = (C.GPDISABLE)(getProcAddr("glDisable")) - if gpDisable == nil { - return errors.New("glDisable") - } - gpDisableVertexAttribArray = (C.GPDISABLEVERTEXATTRIBARRAY)(getProcAddr("glDisableVertexAttribArray")) - if gpDisableVertexAttribArray == nil { - return errors.New("glDisableVertexAttribArray") - } - gpDrawArrays = (C.GPDRAWARRAYS)(getProcAddr("glDrawArrays")) - if gpDrawArrays == nil { - return errors.New("glDrawArrays") - } - gpDrawElements = (C.GPDRAWELEMENTS)(getProcAddr("glDrawElements")) - if gpDrawElements == nil { - return errors.New("glDrawElements") - } - gpEnable = (C.GPENABLE)(getProcAddr("glEnable")) - if gpEnable == nil { - return errors.New("glEnable") - } - gpEnableVertexAttribArray = (C.GPENABLEVERTEXATTRIBARRAY)(getProcAddr("glEnableVertexAttribArray")) - if gpEnableVertexAttribArray == nil { - return errors.New("glEnableVertexAttribArray") - } - gpFinish = (C.GPFINISH)(getProcAddr("glFinish")) - if gpFinish == nil { - return errors.New("glFinish") - } - gpFlush = (C.GPFLUSH)(getProcAddr("glFlush")) - if gpFlush == nil { - return errors.New("glFlush") - } - gpFramebufferRenderbuffer = (C.GPFRAMEBUFFERRENDERBUFFER)(getProcAddr("glFramebufferRenderbuffer")) - if gpFramebufferRenderbuffer == nil { - return errors.New("glFramebufferRenderbuffer") - } - gpFramebufferTexture2D = (C.GPFRAMEBUFFERTEXTURE2D)(getProcAddr("glFramebufferTexture2D")) - if gpFramebufferTexture2D == nil { - return errors.New("glFramebufferTexture2D") - } - gpFrontFace = (C.GPFRONTFACE)(getProcAddr("glFrontFace")) - if gpFrontFace == nil { - return errors.New("glFrontFace") - } - gpGenBuffers = (C.GPGENBUFFERS)(getProcAddr("glGenBuffers")) - if gpGenBuffers == nil { - return errors.New("glGenBuffers") - } - gpGenFramebuffers = (C.GPGENFRAMEBUFFERS)(getProcAddr("glGenFramebuffers")) - if gpGenFramebuffers == nil { - return errors.New("glGenFramebuffers") - } - gpGenRenderbuffers = (C.GPGENRENDERBUFFERS)(getProcAddr("glGenRenderbuffers")) - if gpGenRenderbuffers == nil { - return errors.New("glGenRenderbuffers") - } - gpGenTextures = (C.GPGENTEXTURES)(getProcAddr("glGenTextures")) - if gpGenTextures == nil { - return errors.New("glGenTextures") - } - gpGenerateMipmap = (C.GPGENERATEMIPMAP)(getProcAddr("glGenerateMipmap")) - if gpGenerateMipmap == nil { - return errors.New("glGenerateMipmap") - } - gpGetActiveAttrib = (C.GPGETACTIVEATTRIB)(getProcAddr("glGetActiveAttrib")) - if gpGetActiveAttrib == nil { - return errors.New("glGetActiveAttrib") - } - gpGetActiveUniform = (C.GPGETACTIVEUNIFORM)(getProcAddr("glGetActiveUniform")) - if gpGetActiveUniform == nil { - return errors.New("glGetActiveUniform") - } - gpGetAttachedShaders = (C.GPGETATTACHEDSHADERS)(getProcAddr("glGetAttachedShaders")) - if gpGetAttachedShaders == nil { - return errors.New("glGetAttachedShaders") - } - gpGetAttribLocation = (C.GPGETATTRIBLOCATION)(getProcAddr("glGetAttribLocation")) - if gpGetAttribLocation == nil { - return errors.New("glGetAttribLocation") - } - gpGetBooleanv = (C.GPGETBOOLEANV)(getProcAddr("glGetBooleanv")) - if gpGetBooleanv == nil { - return errors.New("glGetBooleanv") - } - gpGetBufferParameteriv = (C.GPGETBUFFERPARAMETERIV)(getProcAddr("glGetBufferParameteriv")) - if gpGetBufferParameteriv == nil { - return errors.New("glGetBufferParameteriv") - } - gpGetError = (C.GPGETERROR)(getProcAddr("glGetError")) - if gpGetError == nil { - return errors.New("glGetError") - } - gpGetFloatv = (C.GPGETFLOATV)(getProcAddr("glGetFloatv")) - if gpGetFloatv == nil { - return errors.New("glGetFloatv") - } - gpGetFramebufferAttachmentParameteriv = (C.GPGETFRAMEBUFFERATTACHMENTPARAMETERIV)(getProcAddr("glGetFramebufferAttachmentParameteriv")) - if gpGetFramebufferAttachmentParameteriv == nil { - return errors.New("glGetFramebufferAttachmentParameteriv") - } - gpGetIntegerv = (C.GPGETINTEGERV)(getProcAddr("glGetIntegerv")) - if gpGetIntegerv == nil { - return errors.New("glGetIntegerv") - } - gpGetProgramInfoLog = (C.GPGETPROGRAMINFOLOG)(getProcAddr("glGetProgramInfoLog")) - if gpGetProgramInfoLog == nil { - return errors.New("glGetProgramInfoLog") - } - gpGetProgramiv = (C.GPGETPROGRAMIV)(getProcAddr("glGetProgramiv")) - if gpGetProgramiv == nil { - return errors.New("glGetProgramiv") - } - gpGetRenderbufferParameteriv = (C.GPGETRENDERBUFFERPARAMETERIV)(getProcAddr("glGetRenderbufferParameteriv")) - if gpGetRenderbufferParameteriv == nil { - return errors.New("glGetRenderbufferParameteriv") - } - gpGetShaderInfoLog = (C.GPGETSHADERINFOLOG)(getProcAddr("glGetShaderInfoLog")) - if gpGetShaderInfoLog == nil { - return errors.New("glGetShaderInfoLog") - } - gpGetShaderSource = (C.GPGETSHADERSOURCE)(getProcAddr("glGetShaderSource")) - if gpGetShaderSource == nil { - return errors.New("glGetShaderSource") - } - gpGetShaderiv = (C.GPGETSHADERIV)(getProcAddr("glGetShaderiv")) - if gpGetShaderiv == nil { - return errors.New("glGetShaderiv") - } - gpGetString = (C.GPGETSTRING)(getProcAddr("glGetString")) - if gpGetString == nil { - return errors.New("glGetString") - } - gpGetTexParameterfv = (C.GPGETTEXPARAMETERFV)(getProcAddr("glGetTexParameterfv")) - if gpGetTexParameterfv == nil { - return errors.New("glGetTexParameterfv") - } - gpGetTexParameteriv = (C.GPGETTEXPARAMETERIV)(getProcAddr("glGetTexParameteriv")) - if gpGetTexParameteriv == nil { - return errors.New("glGetTexParameteriv") - } - gpGetUniformLocation = (C.GPGETUNIFORMLOCATION)(getProcAddr("glGetUniformLocation")) - if gpGetUniformLocation == nil { - return errors.New("glGetUniformLocation") - } - gpGetUniformfv = (C.GPGETUNIFORMFV)(getProcAddr("glGetUniformfv")) - if gpGetUniformfv == nil { - return errors.New("glGetUniformfv") - } - gpGetUniformiv = (C.GPGETUNIFORMIV)(getProcAddr("glGetUniformiv")) - if gpGetUniformiv == nil { - return errors.New("glGetUniformiv") - } - gpGetVertexAttribPointerv = (C.GPGETVERTEXATTRIBPOINTERV)(getProcAddr("glGetVertexAttribPointerv")) - if gpGetVertexAttribPointerv == nil { - return errors.New("glGetVertexAttribPointerv") - } - gpGetVertexAttribfv = (C.GPGETVERTEXATTRIBFV)(getProcAddr("glGetVertexAttribfv")) - if gpGetVertexAttribfv == nil { - return errors.New("glGetVertexAttribfv") - } - gpGetVertexAttribiv = (C.GPGETVERTEXATTRIBIV)(getProcAddr("glGetVertexAttribiv")) - if gpGetVertexAttribiv == nil { - return errors.New("glGetVertexAttribiv") - } - gpHint = (C.GPHINT)(getProcAddr("glHint")) - if gpHint == nil { - return errors.New("glHint") - } - gpIsBuffer = (C.GPISBUFFER)(getProcAddr("glIsBuffer")) - if gpIsBuffer == nil { - return errors.New("glIsBuffer") - } - gpIsEnabled = (C.GPISENABLED)(getProcAddr("glIsEnabled")) - if gpIsEnabled == nil { - return errors.New("glIsEnabled") - } - gpIsFramebuffer = (C.GPISFRAMEBUFFER)(getProcAddr("glIsFramebuffer")) - if gpIsFramebuffer == nil { - return errors.New("glIsFramebuffer") - } - gpIsProgram = (C.GPISPROGRAM)(getProcAddr("glIsProgram")) - if gpIsProgram == nil { - return errors.New("glIsProgram") - } - gpIsRenderbuffer = (C.GPISRENDERBUFFER)(getProcAddr("glIsRenderbuffer")) - if gpIsRenderbuffer == nil { - return errors.New("glIsRenderbuffer") - } - gpIsShader = (C.GPISSHADER)(getProcAddr("glIsShader")) - if gpIsShader == nil { - return errors.New("glIsShader") - } - gpIsTexture = (C.GPISTEXTURE)(getProcAddr("glIsTexture")) - if gpIsTexture == nil { - return errors.New("glIsTexture") - } - gpLineWidth = (C.GPLINEWIDTH)(getProcAddr("glLineWidth")) - if gpLineWidth == nil { - return errors.New("glLineWidth") - } - gpLinkProgram = (C.GPLINKPROGRAM)(getProcAddr("glLinkProgram")) - if gpLinkProgram == nil { - return errors.New("glLinkProgram") - } - gpPixelStorei = (C.GPPIXELSTOREI)(getProcAddr("glPixelStorei")) - if gpPixelStorei == nil { - return errors.New("glPixelStorei") - } - gpPolygonOffset = (C.GPPOLYGONOFFSET)(getProcAddr("glPolygonOffset")) - if gpPolygonOffset == nil { - return errors.New("glPolygonOffset") - } - gpReadPixels = (C.GPREADPIXELS)(getProcAddr("glReadPixels")) - if gpReadPixels == nil { - return errors.New("glReadPixels") - } - gpRenderbufferStorage = (C.GPRENDERBUFFERSTORAGE)(getProcAddr("glRenderbufferStorage")) - if gpRenderbufferStorage == nil { - return errors.New("glRenderbufferStorage") - } - gpSampleCoverage = (C.GPSAMPLECOVERAGE)(getProcAddr("glSampleCoverage")) - if gpSampleCoverage == nil { - return errors.New("glSampleCoverage") - } - gpScissor = (C.GPSCISSOR)(getProcAddr("glScissor")) - if gpScissor == nil { - return errors.New("glScissor") - } - gpShaderSource = (C.GPSHADERSOURCE)(getProcAddr("glShaderSource")) - if gpShaderSource == nil { - return errors.New("glShaderSource") - } - gpStencilFunc = (C.GPSTENCILFUNC)(getProcAddr("glStencilFunc")) - if gpStencilFunc == nil { - return errors.New("glStencilFunc") - } - gpStencilFuncSeparate = (C.GPSTENCILFUNCSEPARATE)(getProcAddr("glStencilFuncSeparate")) - if gpStencilFuncSeparate == nil { - return errors.New("glStencilFuncSeparate") - } - gpStencilMask = (C.GPSTENCILMASK)(getProcAddr("glStencilMask")) - if gpStencilMask == nil { - return errors.New("glStencilMask") - } - gpStencilMaskSeparate = (C.GPSTENCILMASKSEPARATE)(getProcAddr("glStencilMaskSeparate")) - if gpStencilMaskSeparate == nil { - return errors.New("glStencilMaskSeparate") - } - gpStencilOp = (C.GPSTENCILOP)(getProcAddr("glStencilOp")) - if gpStencilOp == nil { - return errors.New("glStencilOp") - } - gpStencilOpSeparate = (C.GPSTENCILOPSEPARATE)(getProcAddr("glStencilOpSeparate")) - if gpStencilOpSeparate == nil { - return errors.New("glStencilOpSeparate") - } - gpTexImage2D = (C.GPTEXIMAGE2D)(getProcAddr("glTexImage2D")) - if gpTexImage2D == nil { - return errors.New("glTexImage2D") - } - gpTexParameterf = (C.GPTEXPARAMETERF)(getProcAddr("glTexParameterf")) - if gpTexParameterf == nil { - return errors.New("glTexParameterf") - } - gpTexParameterfv = (C.GPTEXPARAMETERFV)(getProcAddr("glTexParameterfv")) - if gpTexParameterfv == nil { - return errors.New("glTexParameterfv") - } - gpTexParameteri = (C.GPTEXPARAMETERI)(getProcAddr("glTexParameteri")) - if gpTexParameteri == nil { - return errors.New("glTexParameteri") - } - gpTexParameteriv = (C.GPTEXPARAMETERIV)(getProcAddr("glTexParameteriv")) - if gpTexParameteriv == nil { - return errors.New("glTexParameteriv") - } - gpTexSubImage2D = (C.GPTEXSUBIMAGE2D)(getProcAddr("glTexSubImage2D")) - if gpTexSubImage2D == nil { - return errors.New("glTexSubImage2D") - } - gpUniform1f = (C.GPUNIFORM1F)(getProcAddr("glUniform1f")) - if gpUniform1f == nil { - return errors.New("glUniform1f") - } - gpUniform1fv = (C.GPUNIFORM1FV)(getProcAddr("glUniform1fv")) - if gpUniform1fv == nil { - return errors.New("glUniform1fv") - } - gpUniform1i = (C.GPUNIFORM1I)(getProcAddr("glUniform1i")) - if gpUniform1i == nil { - return errors.New("glUniform1i") - } - gpUniform1iv = (C.GPUNIFORM1IV)(getProcAddr("glUniform1iv")) - if gpUniform1iv == nil { - return errors.New("glUniform1iv") - } - gpUniform2f = (C.GPUNIFORM2F)(getProcAddr("glUniform2f")) - if gpUniform2f == nil { - return errors.New("glUniform2f") - } - gpUniform2fv = (C.GPUNIFORM2FV)(getProcAddr("glUniform2fv")) - if gpUniform2fv == nil { - return errors.New("glUniform2fv") - } - gpUniform2i = (C.GPUNIFORM2I)(getProcAddr("glUniform2i")) - if gpUniform2i == nil { - return errors.New("glUniform2i") - } - gpUniform2iv = (C.GPUNIFORM2IV)(getProcAddr("glUniform2iv")) - if gpUniform2iv == nil { - return errors.New("glUniform2iv") - } - gpUniform3f = (C.GPUNIFORM3F)(getProcAddr("glUniform3f")) - if gpUniform3f == nil { - return errors.New("glUniform3f") - } - gpUniform3fv = (C.GPUNIFORM3FV)(getProcAddr("glUniform3fv")) - if gpUniform3fv == nil { - return errors.New("glUniform3fv") - } - gpUniform3i = (C.GPUNIFORM3I)(getProcAddr("glUniform3i")) - if gpUniform3i == nil { - return errors.New("glUniform3i") - } - gpUniform3iv = (C.GPUNIFORM3IV)(getProcAddr("glUniform3iv")) - if gpUniform3iv == nil { - return errors.New("glUniform3iv") - } - gpUniform4f = (C.GPUNIFORM4F)(getProcAddr("glUniform4f")) - if gpUniform4f == nil { - return errors.New("glUniform4f") - } - gpUniform4fv = (C.GPUNIFORM4FV)(getProcAddr("glUniform4fv")) - if gpUniform4fv == nil { - return errors.New("glUniform4fv") - } - gpUniform4i = (C.GPUNIFORM4I)(getProcAddr("glUniform4i")) - if gpUniform4i == nil { - return errors.New("glUniform4i") - } - gpUniform4iv = (C.GPUNIFORM4IV)(getProcAddr("glUniform4iv")) - if gpUniform4iv == nil { - return errors.New("glUniform4iv") - } - gpUniformMatrix2fv = (C.GPUNIFORMMATRIX2FV)(getProcAddr("glUniformMatrix2fv")) - if gpUniformMatrix2fv == nil { - return errors.New("glUniformMatrix2fv") - } - gpUniformMatrix3fv = (C.GPUNIFORMMATRIX3FV)(getProcAddr("glUniformMatrix3fv")) - if gpUniformMatrix3fv == nil { - return errors.New("glUniformMatrix3fv") - } - gpUniformMatrix4fv = (C.GPUNIFORMMATRIX4FV)(getProcAddr("glUniformMatrix4fv")) - if gpUniformMatrix4fv == nil { - return errors.New("glUniformMatrix4fv") - } - gpUseProgram = (C.GPUSEPROGRAM)(getProcAddr("glUseProgram")) - if gpUseProgram == nil { - return errors.New("glUseProgram") - } - gpValidateProgram = (C.GPVALIDATEPROGRAM)(getProcAddr("glValidateProgram")) - if gpValidateProgram == nil { - return errors.New("glValidateProgram") - } - gpVertexAttrib1f = (C.GPVERTEXATTRIB1F)(getProcAddr("glVertexAttrib1f")) - if gpVertexAttrib1f == nil { - return errors.New("glVertexAttrib1f") - } - gpVertexAttrib1fv = (C.GPVERTEXATTRIB1FV)(getProcAddr("glVertexAttrib1fv")) - if gpVertexAttrib1fv == nil { - return errors.New("glVertexAttrib1fv") - } - gpVertexAttrib2f = (C.GPVERTEXATTRIB2F)(getProcAddr("glVertexAttrib2f")) - if gpVertexAttrib2f == nil { - return errors.New("glVertexAttrib2f") - } - gpVertexAttrib2fv = (C.GPVERTEXATTRIB2FV)(getProcAddr("glVertexAttrib2fv")) - if gpVertexAttrib2fv == nil { - return errors.New("glVertexAttrib2fv") - } - gpVertexAttrib3f = (C.GPVERTEXATTRIB3F)(getProcAddr("glVertexAttrib3f")) - if gpVertexAttrib3f == nil { - return errors.New("glVertexAttrib3f") - } - gpVertexAttrib3fv = (C.GPVERTEXATTRIB3FV)(getProcAddr("glVertexAttrib3fv")) - if gpVertexAttrib3fv == nil { - return errors.New("glVertexAttrib3fv") - } - gpVertexAttrib4f = (C.GPVERTEXATTRIB4F)(getProcAddr("glVertexAttrib4f")) - if gpVertexAttrib4f == nil { - return errors.New("glVertexAttrib4f") - } - gpVertexAttrib4fv = (C.GPVERTEXATTRIB4FV)(getProcAddr("glVertexAttrib4fv")) - if gpVertexAttrib4fv == nil { - return errors.New("glVertexAttrib4fv") - } - gpVertexAttribPointer = (C.GPVERTEXATTRIBPOINTER)(getProcAddr("glVertexAttribPointer")) - if gpVertexAttribPointer == nil { - return errors.New("glVertexAttribPointer") - } - gpViewport = (C.GPVIEWPORT)(getProcAddr("glViewport")) - if gpViewport == nil { - return errors.New("glViewport") - } - return nil -} diff --git a/backend/goglbackend/gl/procaddr.go b/backend/goglbackend/gl/procaddr.go deleted file mode 100644 index 4190c9b..0000000 --- a/backend/goglbackend/gl/procaddr.go +++ /dev/null @@ -1,72 +0,0 @@ -// +build !android,!ios -// Code generated by glow (https://github.com/go-gl/glow). DO NOT EDIT. - -// This file implements GlowGetProcAddress for every supported platform. The -// correct version is chosen automatically based on build tags: -// -// windows: WGL -// darwin: CGL -// linux freebsd: GLX -// -// Use of EGL instead of the platform's default (listed above) is made possible -// via the "egl" build tag. -// -// It is also possible to install your own function outside this package for -// retrieving OpenGL function pointers, to do this see InitWithProcAddrFunc. - -package gl - -/* -#cgo windows CFLAGS: -DTAG_WINDOWS -#cgo windows LDFLAGS: -lopengl32 -#cgo darwin CFLAGS: -DTAG_DARWIN -#cgo darwin,!ios LDFLAGS: -framework OpenGL -#cgo linux freebsd CFLAGS: -DTAG_POSIX -#cgo linux freebsd LDFLAGS: -lGL -#cgo egl CFLAGS: -DTAG_EGL -#cgo egl LDFLAGS: -lEGL -// Check the EGL tag first as it takes priority over the platform's default -// configuration of WGL/GLX/CGL. -#if defined(TAG_EGL) - #include - #include - void* GlowGetProcAddress_glglesunion(const char* name) { - return eglGetProcAddress(name); - } -#elif defined(TAG_WINDOWS) - #define WIN32_LEAN_AND_MEAN 1 - #include - #include - static HMODULE ogl32dll = NULL; - void* GlowGetProcAddress_glglesunion(const char* name) { - void* pf = wglGetProcAddress((LPCSTR) name); - if (pf) { - return pf; - } - if (ogl32dll == NULL) { - ogl32dll = LoadLibraryA("opengl32.dll"); - } - return GetProcAddress(ogl32dll, (LPCSTR) name); - } -#elif defined(TAG_DARWIN) - #include - #include - void* GlowGetProcAddress_glglesunion(const char* name) { - return dlsym(RTLD_DEFAULT, name); - } -#elif defined(TAG_POSIX) - #include - #include - void* GlowGetProcAddress_glglesunion(const char* name) { - return glXGetProcAddress((const GLubyte *) name); - } -#endif -*/ -import "C" -import "unsafe" - -func getProcAddress(namea string) unsafe.Pointer { - cname := C.CString(namea) - defer C.free(unsafe.Pointer(cname)) - return C.GlowGetProcAddress_glglesunion(cname) -} diff --git a/backend/goglbackend/gl/procaddr_mobile.go b/backend/goglbackend/gl/procaddr_mobile.go deleted file mode 100644 index 129e863..0000000 --- a/backend/goglbackend/gl/procaddr_mobile.go +++ /dev/null @@ -1,312 +0,0 @@ -// +build android ios - -// Code generated by glow (https://github.com/go-gl/glow). DO NOT EDIT. - -// This file implements GlowGetProcAddress for every supported platform. The -// correct version is chosen automatically based on build tags: -// -// windows: WGL -// darwin: CGL -// linux freebsd: GLX -// -// Use of EGL instead of the platform's default (listed above) is made possible -// via the "egl" build tag. -// -// It is also possible to install your own function outside this package for -// retrieving OpenGL function pointers, to do this see InitWithProcAddrFunc. - -package gl - -/* -#cgo android LDFLAGS: -lGLESv2 -#cgo android CFLAGS: -DANDROID -#cgo ios CFLAGS: -DIOS -#ifdef ANDROID - #include -#endif -#ifdef IOS - #include -#endif -*/ -import "C" -import "unsafe" - -func getProcAddress(namea string) unsafe.Pointer { - switch namea { - case "glActiveTexture": - return unsafe.Pointer(C.glActiveTexture) - case "glAttachShader": - return unsafe.Pointer(C.glAttachShader) - case "glBindAttribLocation": - return unsafe.Pointer(C.glBindAttribLocation) - case "glBindBuffer": - return unsafe.Pointer(C.glBindBuffer) - case "glBindFramebuffer": - return unsafe.Pointer(C.glBindFramebuffer) - case "glBindRenderbuffer": - return unsafe.Pointer(C.glBindRenderbuffer) - case "glBindTexture": - return unsafe.Pointer(C.glBindTexture) - case "glBlendColor": - return unsafe.Pointer(C.glBlendColor) - case "glBlendEquation": - return unsafe.Pointer(C.glBlendEquation) - case "glBlendEquationSeparate": - return unsafe.Pointer(C.glBlendEquationSeparate) - case "glBlendFunc": - return unsafe.Pointer(C.glBlendFunc) - case "glBlendFuncSeparate": - return unsafe.Pointer(C.glBlendFuncSeparate) - case "glBufferData": - return unsafe.Pointer(C.glBufferData) - case "glBufferSubData": - return unsafe.Pointer(C.glBufferSubData) - case "glCheckFramebufferStatus": - return unsafe.Pointer(C.glCheckFramebufferStatus) - case "glClear": - return unsafe.Pointer(C.glClear) - case "glClearColor": - return unsafe.Pointer(C.glClearColor) - case "glClearStencil": - return unsafe.Pointer(C.glClearStencil) - case "glColorMask": - return unsafe.Pointer(C.glColorMask) - case "glCompileShader": - return unsafe.Pointer(C.glCompileShader) - case "glCompressedTexImage2D": - return unsafe.Pointer(C.glCompressedTexImage2D) - case "glCompressedTexSubImage2D": - return unsafe.Pointer(C.glCompressedTexSubImage2D) - case "glCopyTexImage2D": - return unsafe.Pointer(C.glCopyTexImage2D) - case "glCopyTexSubImage2D": - return unsafe.Pointer(C.glCopyTexSubImage2D) - case "glCreateProgram": - return unsafe.Pointer(C.glCreateProgram) - case "glCreateShader": - return unsafe.Pointer(C.glCreateShader) - case "glCullFace": - return unsafe.Pointer(C.glCullFace) - case "glDeleteBuffers": - return unsafe.Pointer(C.glDeleteBuffers) - case "glDeleteFramebuffers": - return unsafe.Pointer(C.glDeleteFramebuffers) - case "glDeleteProgram": - return unsafe.Pointer(C.glDeleteProgram) - case "glDeleteRenderbuffers": - return unsafe.Pointer(C.glDeleteRenderbuffers) - case "glDeleteShader": - return unsafe.Pointer(C.glDeleteShader) - case "glDeleteTextures": - return unsafe.Pointer(C.glDeleteTextures) - case "glDepthFunc": - return unsafe.Pointer(C.glDepthFunc) - case "glDepthMask": - return unsafe.Pointer(C.glDepthMask) - case "glDetachShader": - return unsafe.Pointer(C.glDetachShader) - case "glDisable": - return unsafe.Pointer(C.glDisable) - case "glDisableVertexAttribArray": - return unsafe.Pointer(C.glDisableVertexAttribArray) - case "glDrawArrays": - return unsafe.Pointer(C.glDrawArrays) - case "glDrawElements": - return unsafe.Pointer(C.glDrawElements) - case "glEnable": - return unsafe.Pointer(C.glEnable) - case "glEnableVertexAttribArray": - return unsafe.Pointer(C.glEnableVertexAttribArray) - case "glFinish": - return unsafe.Pointer(C.glFinish) - case "glFlush": - return unsafe.Pointer(C.glFlush) - case "glFramebufferRenderbuffer": - return unsafe.Pointer(C.glFramebufferRenderbuffer) - case "glFramebufferTexture2D": - return unsafe.Pointer(C.glFramebufferTexture2D) - case "glFrontFace": - return unsafe.Pointer(C.glFrontFace) - case "glGenBuffers": - return unsafe.Pointer(C.glGenBuffers) - case "glGenFramebuffers": - return unsafe.Pointer(C.glGenFramebuffers) - case "glGenRenderbuffers": - return unsafe.Pointer(C.glGenRenderbuffers) - case "glGenTextures": - return unsafe.Pointer(C.glGenTextures) - case "glGenerateMipmap": - return unsafe.Pointer(C.glGenerateMipmap) - case "glGetActiveAttrib": - return unsafe.Pointer(C.glGetActiveAttrib) - case "glGetActiveUniform": - return unsafe.Pointer(C.glGetActiveUniform) - case "glGetAttachedShaders": - return unsafe.Pointer(C.glGetAttachedShaders) - case "glGetAttribLocation": - return unsafe.Pointer(C.glGetAttribLocation) - case "glGetBooleanv": - return unsafe.Pointer(C.glGetBooleanv) - case "glGetBufferParameteriv": - return unsafe.Pointer(C.glGetBufferParameteriv) - case "glGetError": - return unsafe.Pointer(C.glGetError) - case "glGetFloatv": - return unsafe.Pointer(C.glGetFloatv) - case "glGetFramebufferAttachmentParameteriv": - return unsafe.Pointer(C.glGetFramebufferAttachmentParameteriv) - case "glGetIntegerv": - return unsafe.Pointer(C.glGetIntegerv) - case "glGetProgramInfoLog": - return unsafe.Pointer(C.glGetProgramInfoLog) - case "glGetProgramiv": - return unsafe.Pointer(C.glGetProgramiv) - case "glGetRenderbufferParameteriv": - return unsafe.Pointer(C.glGetRenderbufferParameteriv) - case "glGetShaderInfoLog": - return unsafe.Pointer(C.glGetShaderInfoLog) - case "glGetShaderSource": - return unsafe.Pointer(C.glGetShaderSource) - case "glGetShaderiv": - return unsafe.Pointer(C.glGetShaderiv) - case "glGetString": - return unsafe.Pointer(C.glGetString) - case "glGetTexParameterfv": - return unsafe.Pointer(C.glGetTexParameterfv) - case "glGetTexParameteriv": - return unsafe.Pointer(C.glGetTexParameteriv) - case "glGetUniformLocation": - return unsafe.Pointer(C.glGetUniformLocation) - case "glGetUniformfv": - return unsafe.Pointer(C.glGetUniformfv) - case "glGetUniformiv": - return unsafe.Pointer(C.glGetUniformiv) - case "glGetVertexAttribPointerv": - return unsafe.Pointer(C.glGetVertexAttribPointerv) - case "glGetVertexAttribfv": - return unsafe.Pointer(C.glGetVertexAttribfv) - case "glGetVertexAttribiv": - return unsafe.Pointer(C.glGetVertexAttribiv) - case "glHint": - return unsafe.Pointer(C.glHint) - case "glIsBuffer": - return unsafe.Pointer(C.glIsBuffer) - case "glIsEnabled": - return unsafe.Pointer(C.glIsEnabled) - case "glIsFramebuffer": - return unsafe.Pointer(C.glIsFramebuffer) - case "glIsProgram": - return unsafe.Pointer(C.glIsProgram) - case "glIsRenderbuffer": - return unsafe.Pointer(C.glIsRenderbuffer) - case "glIsShader": - return unsafe.Pointer(C.glIsShader) - case "glIsTexture": - return unsafe.Pointer(C.glIsTexture) - case "glLineWidth": - return unsafe.Pointer(C.glLineWidth) - case "glLinkProgram": - return unsafe.Pointer(C.glLinkProgram) - case "glPixelStorei": - return unsafe.Pointer(C.glPixelStorei) - case "glPolygonOffset": - return unsafe.Pointer(C.glPolygonOffset) - case "glReadPixels": - return unsafe.Pointer(C.glReadPixels) - case "glRenderbufferStorage": - return unsafe.Pointer(C.glRenderbufferStorage) - case "glSampleCoverage": - return unsafe.Pointer(C.glSampleCoverage) - case "glScissor": - return unsafe.Pointer(C.glScissor) - case "glShaderSource": - return unsafe.Pointer(C.glShaderSource) - case "glStencilFunc": - return unsafe.Pointer(C.glStencilFunc) - case "glStencilFuncSeparate": - return unsafe.Pointer(C.glStencilFuncSeparate) - case "glStencilMask": - return unsafe.Pointer(C.glStencilMask) - case "glStencilMaskSeparate": - return unsafe.Pointer(C.glStencilMaskSeparate) - case "glStencilOp": - return unsafe.Pointer(C.glStencilOp) - case "glStencilOpSeparate": - return unsafe.Pointer(C.glStencilOpSeparate) - case "glTexImage2D": - return unsafe.Pointer(C.glTexImage2D) - case "glTexParameterf": - return unsafe.Pointer(C.glTexParameterf) - case "glTexParameterfv": - return unsafe.Pointer(C.glTexParameterfv) - case "glTexParameteri": - return unsafe.Pointer(C.glTexParameteri) - case "glTexParameteriv": - return unsafe.Pointer(C.glTexParameteriv) - case "glTexSubImage2D": - return unsafe.Pointer(C.glTexSubImage2D) - case "glUniform1f": - return unsafe.Pointer(C.glUniform1f) - case "glUniform1fv": - return unsafe.Pointer(C.glUniform1fv) - case "glUniform1i": - return unsafe.Pointer(C.glUniform1i) - case "glUniform1iv": - return unsafe.Pointer(C.glUniform1iv) - case "glUniform2f": - return unsafe.Pointer(C.glUniform2f) - case "glUniform2fv": - return unsafe.Pointer(C.glUniform2fv) - case "glUniform2i": - return unsafe.Pointer(C.glUniform2i) - case "glUniform2iv": - return unsafe.Pointer(C.glUniform2iv) - case "glUniform3f": - return unsafe.Pointer(C.glUniform3f) - case "glUniform3fv": - return unsafe.Pointer(C.glUniform3fv) - case "glUniform3i": - return unsafe.Pointer(C.glUniform3i) - case "glUniform3iv": - return unsafe.Pointer(C.glUniform3iv) - case "glUniform4f": - return unsafe.Pointer(C.glUniform4f) - case "glUniform4fv": - return unsafe.Pointer(C.glUniform4fv) - case "glUniform4i": - return unsafe.Pointer(C.glUniform4i) - case "glUniform4iv": - return unsafe.Pointer(C.glUniform4iv) - case "glUniformMatrix2fv": - return unsafe.Pointer(C.glUniformMatrix2fv) - case "glUniformMatrix3fv": - return unsafe.Pointer(C.glUniformMatrix3fv) - case "glUniformMatrix4fv": - return unsafe.Pointer(C.glUniformMatrix4fv) - case "glUseProgram": - return unsafe.Pointer(C.glUseProgram) - case "glValidateProgram": - return unsafe.Pointer(C.glValidateProgram) - case "glVertexAttrib1f": - return unsafe.Pointer(C.glVertexAttrib1f) - case "glVertexAttrib1fv": - return unsafe.Pointer(C.glVertexAttrib1fv) - case "glVertexAttrib2f": - return unsafe.Pointer(C.glVertexAttrib2f) - case "glVertexAttrib2fv": - return unsafe.Pointer(C.glVertexAttrib2fv) - case "glVertexAttrib3f": - return unsafe.Pointer(C.glVertexAttrib3f) - case "glVertexAttrib3fv": - return unsafe.Pointer(C.glVertexAttrib3fv) - case "glVertexAttrib4f": - return unsafe.Pointer(C.glVertexAttrib4f) - case "glVertexAttrib4fv": - return unsafe.Pointer(C.glVertexAttrib4fv) - case "glVertexAttribPointer": - return unsafe.Pointer(C.glVertexAttribPointer) - case "glViewport": - return unsafe.Pointer(C.glViewport) - } - return nil -} diff --git a/backend/goglbackend/gogl.go b/backend/goglbackend/gogl.go deleted file mode 100644 index e6338bd..0000000 --- a/backend/goglbackend/gogl.go +++ /dev/null @@ -1,400 +0,0 @@ -package goglbackend - -import ( - "fmt" - - "github.com/tfriedel6/canvas/backend/backendbase" - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -const alphaTexSize = 2048 - -var zeroes [alphaTexSize]byte - -// GLContext is a context that contains all the -// shaders and buffers necessary for rendering -type GLContext struct { - buf uint32 - shadowBuf uint32 - alphaTex uint32 - - shd unifiedShader - - offscr1 offscreenBuffer - offscr2 offscreenBuffer - - imageBufTex uint32 - imageBuf []byte - - ptsBuf []float32 -} - -// NewGLContext creates all the necessary GL resources, -// like shaders and buffers -func NewGLContext() (*GLContext, error) { - ctx := &GLContext{ - ptsBuf: make([]float32, 0, 4096), - } - - err := gl.Init() - if err != nil { - return nil, err - } - - gl.GetError() // clear error state - - err = loadShader(unifiedVS, unifiedFS, &ctx.shd.shaderProgram) - if err != nil { - return nil, err - } - ctx.shd.shaderProgram.mustLoadLocations(&ctx.shd) - if err = glError(); err != nil { - return nil, err - } - - gl.GenBuffers(1, &ctx.buf) - if err = glError(); err != nil { - return nil, err - } - - gl.GenBuffers(1, &ctx.shadowBuf) - if err = glError(); err != nil { - return nil, err - } - - gl.ActiveTexture(gl.TEXTURE0) - gl.GenTextures(1, &ctx.alphaTex) - gl.BindTexture(gl.TEXTURE_2D, ctx.alphaTex) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.ALPHA, alphaTexSize, alphaTexSize, 0, gl.ALPHA, gl.UNSIGNED_BYTE, nil) - // todo should use gl.RED on OpenGL, gl.ALPHA on OpenGL ES - - gl.Enable(gl.BLEND) - gl.BlendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA) - gl.Enable(gl.STENCIL_TEST) - gl.StencilMask(0xFF) - gl.Clear(gl.STENCIL_BUFFER_BIT) - gl.StencilOp(gl.KEEP, gl.KEEP, gl.KEEP) - gl.StencilFunc(gl.EQUAL, 0, 0xFF) - - gl.Disable(gl.SCISSOR_TEST) - - return ctx, nil -} - -// GoGLBackend is a canvas backend using Go-GL -type GoGLBackend struct { - x, y, w, h int - fx, fy, fw, fh float64 - - *GLContext - - activateFn func() - disableTextureRenderTarget func() -} - -type offscreenBuffer struct { - tex uint32 - w int - h int - renderStencilBuf uint32 - frameBuf uint32 - alpha bool -} - -// New returns a new canvas backend. x, y, w, h define the target -// rectangle in the window. ctx is a GLContext created with -// NewGLContext, but can be nil for a default one. It makes sense -// to pass one in when using for example an onscreen and an -// offscreen backend using the same GL context. -func New(x, y, w, h int, ctx *GLContext) (*GoGLBackend, error) { - if ctx == nil { - var err error - ctx, err = NewGLContext() - if err != nil { - return nil, err - } - } - - b := &GoGLBackend{ - w: w, - h: h, - fw: float64(w), - fh: float64(h), - GLContext: ctx, - } - - b.activateFn = func() { - gl.BindFramebuffer(gl.FRAMEBUFFER, 0) - gl.Viewport(int32(b.x), int32(b.y), int32(b.w), int32(b.h)) - // todo reapply clipping since another application may have used the stencil buffer - } - b.disableTextureRenderTarget = func() { - gl.BindFramebuffer(gl.FRAMEBUFFER, 0) - gl.Viewport(int32(b.x), int32(b.y), int32(b.w), int32(b.h)) - } - - return b, nil -} - -// GoGLBackendOffscreen is a canvas backend using an offscreen -// texture -type GoGLBackendOffscreen struct { - GoGLBackend - - TextureID uint32 - - offscrBuf offscreenBuffer - offscrImg Image -} - -// NewOffscreen returns a new offscreen canvas backend. w, h define -// the size of the offscreen texture. ctx is a GLContext created -// with NewGLContext, but can be nil for a default one. It makes -// sense to pass one in when using for example an onscreen and an -// offscreen backend using the same GL context. -func NewOffscreen(w, h int, alpha bool, ctx *GLContext) (*GoGLBackendOffscreen, error) { - b, err := New(0, 0, w, h, ctx) - if err != nil { - return nil, err - } - bo := &GoGLBackendOffscreen{GoGLBackend: *b} - bo.offscrBuf.alpha = alpha - bo.offscrImg.flip = true - - bo.activateFn = func() { - bo.enableTextureRenderTarget(&bo.offscrBuf) - gl.Viewport(0, 0, int32(bo.w), int32(bo.h)) - bo.offscrImg.w = bo.offscrBuf.w - bo.offscrImg.h = bo.offscrBuf.h - bo.offscrImg.tex = bo.offscrBuf.tex - bo.TextureID = bo.offscrBuf.tex - } - bo.disableTextureRenderTarget = func() { - bo.enableTextureRenderTarget(&bo.offscrBuf) - } - - return bo, nil -} - -// SetBounds updates the bounds of the canvas. This would -// usually be called for example when the window is resized -func (b *GoGLBackend) SetBounds(x, y, w, h int) { - b.x, b.y = x, y - b.fx, b.fy = float64(x), float64(y) - b.w, b.h = w, h - b.fw, b.fh = float64(w), float64(h) - if b == activeContext { - gl.Viewport(0, 0, int32(b.w), int32(b.h)) - gl.Clear(gl.STENCIL_BUFFER_BIT) - } -} - -// SetSize updates the size of the offscreen texture -func (b *GoGLBackendOffscreen) SetSize(w, h int) { - b.GoGLBackend.SetBounds(0, 0, w, h) - b.offscrImg.w = b.offscrBuf.w - b.offscrImg.h = b.offscrBuf.h -} - -// Size returns the size of the window or offscreen -// texture -func (b *GoGLBackend) Size() (int, int) { - return b.w, b.h -} - -func glError() error { - glErr := gl.GetError() - if glErr != gl.NO_ERROR { - return fmt.Errorf("GL Error: %x", glErr) - } - return nil -} - -// Activate only needs to be called if there is other -// code also using the GL state -func (b *GoGLBackend) Activate() { - b.activate() -} - -var activeContext *GoGLBackend - -func (b *GoGLBackend) activate() { - if activeContext != b { - activeContext = b - b.activateFn() - } -} - -// Delete deletes the offscreen texture. After calling this -// the backend can no longer be used -func (b *GoGLBackendOffscreen) Delete() { - gl.DeleteTextures(1, &b.offscrBuf.tex) - gl.DeleteFramebuffers(1, &b.offscrBuf.frameBuf) - gl.DeleteRenderbuffers(1, &b.offscrBuf.renderStencilBuf) -} - -// CanUseAsImage returns true if the given backend can be -// directly used by this backend to avoid a conversion. -// Used internally -func (b *GoGLBackend) CanUseAsImage(b2 backendbase.Backend) bool { - _, ok := b2.(*GoGLBackendOffscreen) - return ok -} - -// AsImage returns nil, since this backend cannot be directly -// used as an image. Used internally -func (b *GoGLBackend) AsImage() backendbase.Image { - return nil -} - -// AsImage returns an implementation of the Image interface -// that can be used to render this offscreen texture -// directly. Used internally -func (b *GoGLBackendOffscreen) AsImage() backendbase.Image { - return &b.offscrImg -} - -func (b *GoGLBackend) useShader(style *backendbase.FillStyle, tf [9]float32, useAlpha bool, alphaTexSlot int32) (vertexLoc, alphaTexCoordLoc uint32) { - gl.UseProgram(b.shd.ID) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &tf[0]) - if useAlpha { - gl.Uniform1i(b.shd.UseAlphaTex, 1) - gl.Uniform1i(b.shd.AlphaTex, alphaTexSlot) - } else { - gl.Uniform1i(b.shd.UseAlphaTex, 0) - } - gl.Uniform1f(b.shd.GlobalAlpha, float32(style.Color.A)/255) - - if lg := style.LinearGradient; lg != nil { - lg := lg.(*LinearGradient) - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, lg.tex) - from := backendbase.Vec{style.Gradient.X0, style.Gradient.Y0} - to := backendbase.Vec{style.Gradient.X1, style.Gradient.Y1} - dir := to.Sub(from) - length := dir.Len() - dir = dir.Mulf(1 / length) - gl.Uniform2f(b.shd.From, float32(from[0]), float32(from[1])) - gl.Uniform2f(b.shd.Dir, float32(dir[0]), float32(dir[1])) - gl.Uniform1f(b.shd.Len, float32(length)) - gl.Uniform1i(b.shd.Gradient, 0) - gl.Uniform1i(b.shd.Func, shdFuncLinearGradient) - return b.shd.Vertex, b.shd.TexCoord - } - if rg := style.RadialGradient; rg != nil { - rg := rg.(*RadialGradient) - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, rg.tex) - gl.Uniform2f(b.shd.From, float32(style.Gradient.X0), float32(style.Gradient.Y0)) - gl.Uniform2f(b.shd.To, float32(style.Gradient.X1), float32(style.Gradient.Y1)) - gl.Uniform1f(b.shd.RadFrom, float32(style.Gradient.RadFrom)) - gl.Uniform1f(b.shd.RadTo, float32(style.Gradient.RadTo)) - gl.Uniform1i(b.shd.Gradient, 0) - gl.Uniform1i(b.shd.Func, shdFuncRadialGradient) - return b.shd.Vertex, b.shd.TexCoord - } - if ip := style.ImagePattern; ip != nil { - ipd := ip.(*ImagePattern).data - img := ipd.Image.(*Image) - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, img.tex) - gl.Uniform2f(b.shd.ImageSize, float32(img.w), float32(img.h)) - gl.Uniform1i(b.shd.Image, 0) - var f32mat [9]float32 - for i, v := range ipd.Transform { - f32mat[i] = float32(v) - } - gl.UniformMatrix3fv(b.shd.ImageTransform, 1, false, &f32mat[0]) - switch ipd.Repeat { - case backendbase.Repeat: - gl.Uniform2f(b.shd.Repeat, 1, 1) - case backendbase.RepeatX: - gl.Uniform2f(b.shd.Repeat, 1, 0) - case backendbase.RepeatY: - gl.Uniform2f(b.shd.Repeat, 0, 1) - case backendbase.NoRepeat: - gl.Uniform2f(b.shd.Repeat, 0, 0) - } - gl.Uniform1i(b.shd.Func, shdFuncImagePattern) - return b.shd.Vertex, b.shd.TexCoord - } - - cr := float32(style.Color.R) / 255 - cg := float32(style.Color.G) / 255 - cb := float32(style.Color.B) / 255 - ca := float32(style.Color.A) / 255 - gl.Uniform4f(b.shd.Color, cr, cg, cb, ca) - gl.Uniform1f(b.shd.GlobalAlpha, 1) - gl.Uniform1i(b.shd.Func, shdFuncSolid) - return b.shd.Vertex, b.shd.TexCoord -} - -func (b *GoGLBackend) enableTextureRenderTarget(offscr *offscreenBuffer) { - if offscr.w == b.w && offscr.h == b.h { - gl.BindFramebuffer(gl.FRAMEBUFFER, offscr.frameBuf) - return - } - - if b.w == 0 || b.h == 0 { - return - } - - if offscr.w != 0 && offscr.h != 0 { - gl.DeleteTextures(1, &offscr.tex) - gl.DeleteFramebuffers(1, &offscr.frameBuf) - gl.DeleteRenderbuffers(1, &offscr.renderStencilBuf) - } - offscr.w = b.w - offscr.h = b.h - - gl.ActiveTexture(gl.TEXTURE0) - gl.GenTextures(1, &offscr.tex) - gl.BindTexture(gl.TEXTURE_2D, offscr.tex) - // todo do non-power-of-two textures work everywhere? - if offscr.alpha { - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(b.w), int32(b.h), 0, gl.RGBA, gl.UNSIGNED_BYTE, nil) - } else { - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGB, int32(b.w), int32(b.h), 0, gl.RGB, gl.UNSIGNED_BYTE, nil) - } - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - - gl.GenFramebuffers(1, &offscr.frameBuf) - gl.BindFramebuffer(gl.FRAMEBUFFER, offscr.frameBuf) - - gl.GenRenderbuffers(1, &offscr.renderStencilBuf) - gl.BindRenderbuffer(gl.RENDERBUFFER, offscr.renderStencilBuf) - gl.RenderbufferStorage(gl.RENDERBUFFER, gl.STENCIL_INDEX8, int32(b.w), int32(b.h)) - gl.FramebufferRenderbuffer(gl.FRAMEBUFFER, gl.STENCIL_ATTACHMENT, gl.RENDERBUFFER, offscr.renderStencilBuf) - - gl.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, offscr.tex, 0) - - if err := gl.CheckFramebufferStatus(gl.FRAMEBUFFER); err != gl.FRAMEBUFFER_COMPLETE { - // todo this should maybe not panic - panic(fmt.Sprintf("Failed to set up framebuffer for offscreen texture: %x", err)) - } - - gl.Clear(gl.COLOR_BUFFER_BIT | gl.STENCIL_BUFFER_BIT) -} - -func mat3(m backendbase.Mat) (m3 [9]float32) { - m3[0] = float32(m[0]) - m3[1] = float32(m[1]) - m3[2] = 0 - m3[3] = float32(m[2]) - m3[4] = float32(m[3]) - m3[5] = 0 - m3[6] = float32(m[4]) - m3[7] = float32(m[5]) - m3[8] = 1 - return -} - -var mat3identity = [9]float32{1, 0, 0, 0, 1, 0, 0, 0, 1} diff --git a/backend/goglbackend/gradients.go b/backend/goglbackend/gradients.go deleted file mode 100644 index bc94978..0000000 --- a/backend/goglbackend/gradients.go +++ /dev/null @@ -1,90 +0,0 @@ -package goglbackend - -import ( - "github.com/tfriedel6/canvas/backend/backendbase" - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -// LinearGradient is a gradient with any number of -// stops and any number of colors. The gradient will -// be drawn such that each point on the gradient -// will correspond to a straight line -type LinearGradient struct { - gradient -} - -// RadialGradient is a gradient with any number of -// stops and any number of colors. The gradient will -// be drawn such that each point on the gradient -// will correspond to a circle -type RadialGradient struct { - gradient -} - -type gradient struct { - b *GoGLBackend - tex uint32 -} - -func (b *GoGLBackend) LoadLinearGradient(data backendbase.Gradient) backendbase.LinearGradient { - b.activate() - - lg := &LinearGradient{ - gradient: gradient{b: b}, - } - gl.GenTextures(1, &lg.tex) - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, lg.tex) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - lg.load(data) - return lg -} - -func (b *GoGLBackend) LoadRadialGradient(data backendbase.Gradient) backendbase.RadialGradient { - b.activate() - - rg := &RadialGradient{ - gradient: gradient{b: b}, - } - gl.GenTextures(1, &rg.tex) - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, rg.tex) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - rg.load(data) - return rg -} - -// Delete explicitly deletes the gradient -func (g *gradient) Delete() { - g.b.activate() - - gl.DeleteTextures(1, &g.tex) -} - -func (lg *LinearGradient) Replace(data backendbase.Gradient) { lg.load(data) } -func (rg *RadialGradient) Replace(data backendbase.Gradient) { rg.load(data) } - -func (g *gradient) load(stops backendbase.Gradient) { - g.b.activate() - - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, g.tex) - var pixels [2048 * 4]byte - pp := 0 - for i := 0; i < 2048; i++ { - c := stops.ColorAt(float64(i) / 2047) - pixels[pp] = c.R - pixels[pp+1] = c.G - pixels[pp+2] = c.B - pixels[pp+3] = c.A - pp += 4 - } - - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2048, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&pixels[0])) -} diff --git a/backend/goglbackend/imagedata.go b/backend/goglbackend/imagedata.go deleted file mode 100644 index 2027a05..0000000 --- a/backend/goglbackend/imagedata.go +++ /dev/null @@ -1,102 +0,0 @@ -package goglbackend - -import ( - "image" - "image/color" - "unsafe" - - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -// GetImageData returns an RGBA image of the current image -func (b *GoGLBackend) GetImageData(x, y, w, h int) *image.RGBA { - b.activate() - - if x < 0 { - w += x - x = 0 - } - if y < 0 { - h += y - y = 0 - } - if w > b.w { - w = b.w - } - if h > b.h { - h = b.h - } - - var vp [4]int32 - gl.GetIntegerv(gl.VIEWPORT, &vp[0]) - - size := int(vp[2] * vp[3] * 3) - if len(b.imageBuf) < size { - b.imageBuf = make([]byte, size) - } - gl.ReadPixels(vp[0], vp[1], vp[2], vp[3], gl.RGB, gl.UNSIGNED_BYTE, gl.Ptr(&b.imageBuf[0])) - - rgba := image.NewRGBA(image.Rect(x, y, x+w, y+h)) - for cy := y; cy < y+h; cy++ { - bp := (int(vp[3])-h+cy)*int(vp[2])*3 + x*3 - for cx := x; cx < x+w; cx++ { - rgba.SetRGBA(cx, y+h-1-cy, color.RGBA{R: b.imageBuf[bp], G: b.imageBuf[bp+1], B: b.imageBuf[bp+2], A: 255}) - bp += 3 - } - } - return rgba -} - -// PutImageData puts the given image at the given x/y coordinates -func (b *GoGLBackend) PutImageData(img *image.RGBA, x, y int) { - b.activate() - - gl.ActiveTexture(gl.TEXTURE0) - if b.imageBufTex == 0 { - gl.GenTextures(1, &b.imageBufTex) - gl.BindTexture(gl.TEXTURE_2D, b.imageBufTex) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - } else { - gl.BindTexture(gl.TEXTURE_2D, b.imageBufTex) - } - - w, h := img.Bounds().Dx(), img.Bounds().Dy() - - if img.Stride == img.Bounds().Dx()*4 { - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(w), int32(h), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&img.Pix[0])) - } else { - data := make([]uint8, 0, w*h*4) - for cy := 0; cy < h; cy++ { - start := cy * img.Stride - end := start + w*4 - data = append(data, img.Pix[start:end]...) - } - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(w), int32(h), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&data[0])) - } - - dx, dy := float32(x), float32(y) - dw, dh := float32(w), float32(h) - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - data := [16]float32{dx, dy, dx + dw, dy, dx + dw, dy + dh, dx, dy + dh, - 0, 0, 1, 0, 1, 1, 0, 1} - gl.BufferData(gl.ARRAY_BUFFER, len(data)*4, unsafe.Pointer(&data[0]), gl.STREAM_DRAW) - - gl.UseProgram(b.shd.ID) - gl.Uniform1i(b.shd.Image, 0) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &mat3identity[0]) - gl.Uniform1f(b.shd.GlobalAlpha, 1) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncImage) - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, gl.PtrOffset(8*4)) - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) -} diff --git a/backend/goglbackend/images.go b/backend/goglbackend/images.go deleted file mode 100644 index 5199eef..0000000 --- a/backend/goglbackend/images.go +++ /dev/null @@ -1,221 +0,0 @@ -package goglbackend - -import ( - "errors" - "image" - "unsafe" - - "github.com/tfriedel6/canvas/backend/backendbase" - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -// Image represents a loaded image that can be used in various drawing functions -type Image struct { - b *GoGLBackend - w, h int - tex uint32 - flip bool -} - -func (b *GoGLBackend) LoadImage(src image.Image) (backendbase.Image, error) { - b.activate() - - var tex uint32 - gl.GenTextures(1, &tex) - if tex == 0 { - return nil, errors.New("glGenTextures failed") - } - - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, tex) - if src == nil { - return &Image{tex: tex}, nil - } - - img, err := loadImage(src, tex) - if err != nil { - return nil, err - } - img.b = b - - return img, nil -} - -func loadImage(src image.Image, tex uint32) (*Image, error) { - var img *Image - var err error - switch v := src.(type) { - case *image.RGBA: - img, err = loadImageRGBA(v, tex) - if err != nil { - return nil, err - } - case image.Image: - img, err = loadImageConverted(v, tex) - if err != nil { - return nil, err - } - default: - return nil, errors.New("Unsupported source type") - } - return img, nil -} - -func loadImageRGBA(src *image.RGBA, tex uint32) (*Image, error) { - img := &Image{tex: tex, w: src.Bounds().Dx(), h: src.Bounds().Dy()} - - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - if err := glError(); err != nil { - return nil, err - } - if src.Stride == img.w*4 { - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(img.w), int32(img.h), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&src.Pix[0])) - } else { - data := make([]uint8, 0, img.w*img.h*4) - for y := 0; y < img.h; y++ { - start := y * src.Stride - end := start + img.w*4 - data = append(data, src.Pix[start:end]...) - } - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(img.w), int32(img.h), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&data[0])) - } - if err := glError(); err != nil { - return nil, err - } - gl.GenerateMipmap(gl.TEXTURE_2D) - if err := glError(); err != nil { - return nil, err - } - return img, nil -} - -func loadImageConverted(src image.Image, tex uint32) (*Image, error) { - img := &Image{tex: tex, w: src.Bounds().Dx(), h: src.Bounds().Dy()} - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) - gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) - if err := glError(); err != nil { - return nil, err - } - data := make([]uint8, 0, img.w*img.h*4) - for y := 0; y < img.h; y++ { - for x := 0; x < img.w; x++ { - ir, ig, ib, ia := src.At(x, y).RGBA() - r, g, b, a := uint8(ir>>8), uint8(ig>>8), uint8(ib>>8), uint8(ia>>8) - data = append(data, r, g, b, a) - } - } - gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(img.w), int32(img.h), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(&data[0])) - if err := glError(); err != nil { - return nil, err - } - gl.GenerateMipmap(gl.TEXTURE_2D) - if err := glError(); err != nil { - return nil, err - } - return img, nil -} - -// Width returns the width of the image -func (img *Image) Width() int { return img.w } - -// Height returns the height of the image -func (img *Image) Height() int { return img.h } - -// Size returns the width and height of the image -func (img *Image) Size() (int, int) { return img.w, img.h } - -// Delete deletes the image from memory. Any draw calls -// with a deleted image will not do anything -func (img *Image) Delete() { - img.b.activate() - - gl.DeleteTextures(1, &img.tex) -} - -// Replace replaces the image with the new one -func (img *Image) Replace(src image.Image) error { - img.b.activate() - - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, img.tex) - newImg, err := loadImage(src, img.tex) - if err != nil { - return err - } - newImg.b = img.b - *img = *newImg - return nil -} - -func (b *GoGLBackend) DrawImage(dimg backendbase.Image, sx, sy, sw, sh float64, pts [4]backendbase.Vec, alpha float64) { - b.activate() - - img := dimg.(*Image) - - sx /= float64(img.w) - sy /= float64(img.h) - sw /= float64(img.w) - sh /= float64(img.h) - - if img.flip { - sy += sh - sh = -sh - } - - var buf [16]float32 - data := buf[:0] - for _, pt := range pts { - data = append(data, float32(pt[0]), float32(pt[1])) - } - data = append(data, - float32(sx), float32(sy), - float32(sx), float32(sy+sh), - float32(sx+sw), float32(sy+sh), - float32(sx+sw), float32(sy), - ) - - gl.StencilFunc(gl.EQUAL, 0, 0xFF) - - gl.BindBuffer(gl.ARRAY_BUFFER, b.buf) - gl.BufferData(gl.ARRAY_BUFFER, len(data)*4, unsafe.Pointer(&data[0]), gl.STREAM_DRAW) - - gl.ActiveTexture(gl.TEXTURE0) - gl.BindTexture(gl.TEXTURE_2D, img.tex) - - gl.UseProgram(b.shd.ID) - gl.Uniform1i(b.shd.Image, 0) - gl.Uniform2f(b.shd.CanvasSize, float32(b.fw), float32(b.fh)) - gl.UniformMatrix3fv(b.shd.Matrix, 1, false, &mat3identity[0]) - gl.Uniform1f(b.shd.GlobalAlpha, float32(alpha)) - gl.Uniform1i(b.shd.UseAlphaTex, 0) - gl.Uniform1i(b.shd.Func, shdFuncImage) - gl.VertexAttribPointer(b.shd.Vertex, 2, gl.FLOAT, false, 0, nil) - gl.VertexAttribPointer(b.shd.TexCoord, 2, gl.FLOAT, false, 0, gl.PtrOffset(8*4)) - gl.EnableVertexAttribArray(b.shd.Vertex) - gl.EnableVertexAttribArray(b.shd.TexCoord) - gl.DrawArrays(gl.TRIANGLE_FAN, 0, 4) - gl.DisableVertexAttribArray(b.shd.Vertex) - gl.DisableVertexAttribArray(b.shd.TexCoord) - - gl.StencilFunc(gl.ALWAYS, 0, 0xFF) -} - -type ImagePattern struct { - b *GoGLBackend - data backendbase.ImagePatternData -} - -func (b *GoGLBackend) LoadImagePattern(data backendbase.ImagePatternData) backendbase.ImagePattern { - return &ImagePattern{ - b: b, - data: data, - } -} - -func (ip *ImagePattern) Delete() {} -func (ip *ImagePattern) Replace(data backendbase.ImagePatternData) { ip.data = data } diff --git a/backend/goglbackend/shader.go b/backend/goglbackend/shader.go deleted file mode 100644 index c1c0172..0000000 --- a/backend/goglbackend/shader.go +++ /dev/null @@ -1,202 +0,0 @@ -package goglbackend - -import ( - "errors" - "fmt" - "reflect" - "strings" - "unicode" - "unicode/utf8" - - "github.com/tfriedel6/canvas/backend/goglbackend/gl" -) - -type shaderProgram struct { - ID, vs, fs uint32 - - attribs map[string]uint32 - uniforms map[string]int32 -} - -func loadShader(vs, fs string, sp *shaderProgram) error { - glError() // clear the current error - - // compile vertex shader - { - sp.vs = gl.CreateShader(gl.VERTEX_SHADER) - csrc, freeFunc := gl.Strs(vs + "\x00") - defer freeFunc() - gl.ShaderSource(sp.vs, 1, csrc, nil) - gl.CompileShader(sp.vs) - - var status int32 - gl.GetShaderiv(sp.vs, gl.COMPILE_STATUS, &status) - if status != gl.TRUE { - var buf [65536]byte - var length int32 - gl.GetShaderInfoLog(sp.vs, int32(len(buf)), &length, &buf[0]) - clog := string(buf[:length]) - gl.DeleteShader(sp.vs) - return fmt.Errorf("failed to compile vertex shader:\n\n%s", clog) - } - if err := glError(); err != nil { - return fmt.Errorf("gl error after compiling vertex shader: %v", err) - } - } - - // compile fragment shader - { - sp.fs = gl.CreateShader(gl.FRAGMENT_SHADER) - csrc, freeFunc := gl.Strs(fs + "\x00") - defer freeFunc() - gl.ShaderSource(sp.fs, 1, csrc, nil) - gl.CompileShader(sp.fs) - - var status int32 - gl.GetShaderiv(sp.fs, gl.COMPILE_STATUS, &status) - if status != gl.TRUE { - var buf [65536]byte - var length int32 - gl.GetShaderInfoLog(sp.fs, int32(len(buf)), &length, &buf[0]) - clog := string(buf[:length]) - gl.DeleteShader(sp.fs) - return fmt.Errorf("failed to compile fragment shader:\n\n%s", clog) - } - if err := glError(); err != nil { - return fmt.Errorf("gl error after compiling fragment shader: %v", err) - } - } - - // link shader program - { - sp.ID = gl.CreateProgram() - gl.AttachShader(sp.ID, sp.vs) - gl.AttachShader(sp.ID, sp.fs) - gl.LinkProgram(sp.ID) - - var status int32 - gl.GetProgramiv(sp.ID, gl.LINK_STATUS, &status) - if status != gl.TRUE { - var buf [65536]byte - var length int32 - gl.GetProgramInfoLog(sp.ID, int32(len(buf)), &length, &buf[0]) - clog := string(buf[:length]) - gl.DeleteProgram(sp.ID) - gl.DeleteShader(sp.vs) - gl.DeleteShader(sp.fs) - return fmt.Errorf("failed to link shader program:\n\n%s", clog) - } - if err := glError(); err != nil { - return fmt.Errorf("gl error after linking shader: %v", err) - } - } - - gl.UseProgram(sp.ID) - var nameBuf [256]byte - var length, size int32 - var xtype uint32 - var count int32 - - // load the attributes - gl.GetProgramiv(sp.ID, gl.ACTIVE_ATTRIBUTES, &count) - sp.attribs = make(map[string]uint32, int(count)) - for i := int32(0); i < count; i++ { - gl.GetActiveAttrib(sp.ID, uint32(i), int32(len(nameBuf)), &length, &size, &xtype, &nameBuf[0]) - name := string(nameBuf[:length]) - loc := gl.GetAttribLocation(sp.ID, &nameBuf[0]) - sp.attribs[name] = uint32(loc) - } - - // load the uniforms - gl.GetProgramiv(sp.ID, gl.ACTIVE_UNIFORMS, &count) - sp.uniforms = make(map[string]int32, int(count)) - for i := int32(0); i < count; i++ { - gl.GetActiveUniform(sp.ID, uint32(i), int32(len(nameBuf)), &length, &size, &xtype, &nameBuf[0]) - name := string(nameBuf[:length]) - loc := gl.GetUniformLocation(sp.ID, &nameBuf[0]) - sp.uniforms[name] = loc - } - - return nil -} - -func (sp *shaderProgram) use() { - gl.UseProgram(sp.ID) -} - -func (sp *shaderProgram) delete() { - gl.DeleteProgram(sp.ID) - gl.DeleteShader(sp.vs) - gl.DeleteShader(sp.fs) -} - -func (sp *shaderProgram) loadLocations(target interface{}) error { - val := reflect.ValueOf(target) - if val.Kind() != reflect.Ptr { - panic("target must be a pointer to a struct") - } - val = val.Elem() - if val.Kind() != reflect.Struct { - panic("target must be a pointer to a struct") - } - - gl.UseProgram(sp.ID) - - var errs strings.Builder - - for name, loc := range sp.attribs { - field := val.FieldByName(sp.structName(name)) - if field == (reflect.Value{}) { - fmt.Fprintf(&errs, "field for attribute \"%s\" not found; ", name) - } else if field.Type() != reflect.TypeOf(uint32(0)) { - fmt.Fprintf(&errs, "field for attribute \"%s\" must have type uint32; ", name) - } else { - field.Set(reflect.ValueOf(uint32(loc))) - } - } - - for name, loc := range sp.uniforms { - field := val.FieldByName(sp.structName(name)) - if field == (reflect.Value{}) { - fmt.Fprintf(&errs, "field for uniform \"%s\" not found; ", name) - } else if field.Type() != reflect.TypeOf(int32(0)) { - fmt.Fprintf(&errs, "field for uniform \"%s\" must have type int32; ", name) - } else { - field.Set(reflect.ValueOf(int32(loc))) - } - } - - if errs.Len() > 0 { - return errors.New(strings.TrimSpace(errs.String())) - } - return nil -} - -func (sp *shaderProgram) structName(name string) string { - rn, sz := utf8.DecodeRuneInString(name) - name = fmt.Sprintf("%c%s", unicode.ToUpper(rn), name[sz:]) - idx := strings.IndexByte(name, '[') - if idx > 0 { - name = name[:idx] - } - return name -} - -func (sp *shaderProgram) mustLoadLocations(target interface{}) { - err := sp.loadLocations(target) - if err != nil { - panic(err) - } -} - -func (sp *shaderProgram) enableAllVertexAttribArrays() { - for _, loc := range sp.attribs { - gl.EnableVertexAttribArray(loc) - } -} - -func (sp *shaderProgram) disableAllVertexAttribArrays() { - for _, loc := range sp.attribs { - gl.DisableVertexAttribArray(loc) - } -} diff --git a/backend/goglbackend/shaders.go b/backend/goglbackend/shaders.go deleted file mode 100755 index 3541189..0000000 --- a/backend/goglbackend/shaders.go +++ /dev/null @@ -1,158 +0,0 @@ -package goglbackend - -var unifiedVS = ` -attribute vec2 vertex, texCoord; - -uniform vec2 canvasSize; -uniform mat3 matrix; - -varying vec2 v_cp, v_tc; - -void main() { - v_tc = texCoord; - vec3 v = matrix * vec3(vertex.xy, 1.0); - vec2 tf = v.xy / v.z; - v_cp = tf; - vec2 glp = tf * 2.0 / canvasSize - 1.0; - gl_Position = vec4(glp.x, -glp.y, 0.0, 1.0); -} -` -var unifiedFS = ` -#ifdef GL_ES -precision mediump float; -#endif - -varying vec2 v_cp, v_tc; - -uniform int func; - -uniform vec4 color; -uniform float globalAlpha; - -uniform sampler2D gradient; -uniform vec2 from, dir, to; -uniform float len, radFrom, radTo; - -uniform vec2 imageSize; -uniform sampler2D image; -uniform mat3 imageTransform; -uniform vec2 repeat; - -uniform bool useAlphaTex; -uniform sampler2D alphaTex; - -uniform int boxSize; -uniform bool boxVertical; -uniform float boxScale; -uniform float boxOffset; - -bool isNaN(float v) { - return v < 0.0 || 0.0 < v || v == 0.0 ? false : true; -} - -void main() { - vec4 col = color; - - if (func == 5) { - vec4 sum = vec4(0.0); - if (boxVertical) { - vec2 start = v_tc - vec2(0.0, (float(boxSize) * 0.5 + boxOffset) * boxScale); - for (int i=0; i <= boxSize; i++) { - sum += texture2D(image, start + vec2(0.0, float(i) * boxScale)); - } - } else { - vec2 start = v_tc - vec2((float(boxSize) * 0.5 + boxOffset) * boxScale, 0.0); - for (int i=0; i <= boxSize; i++) { - sum += texture2D(image, start + vec2(float(i) * boxScale, 0.0)); - } - } - gl_FragColor = sum / float(boxSize+1); - return; - } - - if (func == 1) { - vec2 v = v_cp - from; - float r = dot(v, dir) / len; - r = clamp(r, 0.0, 1.0); - col = texture2D(gradient, vec2(r, 0.0)); - } else if (func == 2) { - float o_a = 0.5 * sqrt( - pow(-2.0*from.x*from.x+2.0*from.x*to.x+2.0*from.x*v_cp.x-2.0*to.x*v_cp.x-2.0*from.y*from.y+2.0*from.y*to.y+2.0*from.y*v_cp.y-2.0*to.y*v_cp.y+2.0*radFrom*radFrom-2.0*radFrom*radTo, 2.0) - -4.0*(from.x*from.x-2.0*from.x*v_cp.x+v_cp.x*v_cp.x+from.y*from.y-2.0*from.y*v_cp.y+v_cp.y*v_cp.y-radFrom*radFrom) - *(from.x*from.x-2.0*from.x*to.x+to.x*to.x+from.y*from.y-2.0*from.y*to.y+to.y*to.y-radFrom*radFrom+2.0*radFrom*radTo-radTo*radTo) - ); - float o_b = (from.x*from.x-from.x*to.x-from.x*v_cp.x+to.x*v_cp.x+from.y*from.y-from.y*to.y-from.y*v_cp.y+to.y*v_cp.y-radFrom*radFrom+radFrom*radTo); - float o_c = (from.x*from.x-2.0*from.x*to.x+to.x*to.x+from.y*from.y-2.0*from.y*to.y+to.y*to.y-radFrom*radFrom+2.0*radFrom*radTo-radTo*radTo); - float o1 = (-o_a + o_b) / o_c; - float o2 = (o_a + o_b) / o_c; - if (isNaN(o1) && isNaN(o2)) { - gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); - return; - } - float o = max(o1, o2); - o = clamp(o, 0.0, 1.0); - col = texture2D(gradient, vec2(o, 0.0)); - } else if (func == 3) { - vec3 tfpt = vec3(v_cp, 1.0) * imageTransform; - vec2 imgpt = tfpt.xy / imageSize; - col = texture2D(image, mod(imgpt, 1.0)); - if (imgpt.x < 0.0 || imgpt.x > 1.0) { - col *= repeat.x; - } - if (imgpt.y < 0.0 || imgpt.y > 1.0) { - col *= repeat.y; - } - } else if (func == 4) { - col = texture2D(image, v_tc); - } - - if (useAlphaTex) { - col.a *= texture2D(alphaTex, v_tc).a * globalAlpha; - } else { - col.a *= globalAlpha; - } - - gl_FragColor = col; -} -` - -const ( - shdFuncSolid int32 = iota - shdFuncLinearGradient - shdFuncRadialGradient - shdFuncImagePattern - shdFuncImage - shdFuncBoxBlur -) - -type unifiedShader struct { - shaderProgram - - Vertex uint32 - TexCoord uint32 - - CanvasSize int32 - Matrix int32 - Color int32 - GlobalAlpha int32 - - Func int32 - - UseAlphaTex int32 - AlphaTex int32 - - Gradient int32 - From, To, Dir int32 - Len int32 - RadFrom, RadTo int32 - - ImageSize int32 - Image int32 - ImageTransform int32 - Repeat int32 - - BoxSize int32 - BoxVertical int32 - BoxScale int32 - BoxOffset int32 -} diff --git a/canvas_test.go b/canvas_test.go deleted file mode 100644 index 6d1d7d5..0000000 --- a/canvas_test.go +++ /dev/null @@ -1,657 +0,0 @@ -package canvas_test - -import ( - "fmt" - "image" - _ "image/jpeg" - "image/png" - "math" - "os" - "runtime" - "strings" - "testing" - - "github.com/go-gl/gl/v3.2-core/gl" - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/softwarebackend" - "github.com/tfriedel6/canvas/sdlcanvas" -) - -var usesw = false - -func run(t *testing.T, fn func(cv *canvas.Canvas)) { - var img *image.RGBA - if !usesw { - wnd, cv, err := sdlcanvas.CreateWindow(100, 100, "test") - if err != nil { - t.Fatalf("Failed to create window: %v", err) - return - } - defer wnd.Destroy() - - gl.Disable(gl.MULTISAMPLE) - - wnd.StartFrame() - - cv.ClearRect(0, 0, 100, 100) - fn(cv) - img = cv.GetImageData(0, 0, 100, 100) - } else { - backend := softwarebackend.New(100, 100) - cv := canvas.New(backend) - - cv.SetFillStyle("#000") - cv.FillRect(0, 0, 100, 100) - fn(cv) - img = cv.GetImageData(0, 0, 100, 100) - } - - caller, _, _, ok := runtime.Caller(1) - if !ok { - t.Fatal("Failed to get caller") - } - - callerFunc := runtime.FuncForPC(caller) - if callerFunc == nil { - t.Fatal("Failed to get caller function") - } - - const prefix = "canvas_test.Test" - callerFuncName := callerFunc.Name() - callerFuncName = callerFuncName[strings.Index(callerFuncName, prefix)+len(prefix):] - - fileName := fmt.Sprintf("testdata/%s.png", callerFuncName) - - _, err := os.Stat(fileName) - if err != nil && !os.IsNotExist(err) { - t.Fatalf("Failed to stat file \"%s\": %v", fileName, err) - } - - if os.IsNotExist(err) { - err = writeImage(img, fileName) - if err != nil { - t.Fatal(err) - } - return - } - - f, err := os.Open(fileName) - if err != nil { - t.Fatalf("Failed to open file \"%s\": %v", fileName, err) - } - defer f.Close() - - refImg, err := png.Decode(f) - if err != nil { - t.Fatalf("Failed to decode file \"%s\": %v", fileName, err) - } - - if b := img.Bounds(); b.Min.X != 0 || b.Min.Y != 0 || b.Max.X != 100 || b.Max.Y != 100 { - t.Fatalf("Image bounds must be 0,0,100,100") - } - if b := refImg.Bounds(); b.Min.X != 0 || b.Min.Y != 0 || b.Max.X != 100 || b.Max.Y != 100 { - t.Fatalf("Image bounds must be 0,0,100,100") - } - - for y := 0; y < 100; y++ { - for x := 0; x < 100; x++ { - r1, g1, b1, a1 := img.At(x, y).RGBA() - r2, g2, b2, a2 := refImg.At(x, y).RGBA() - if r1 != r2 || g1 != g2 || b1 != b2 || a1 != a2 { - writeImage(img, fmt.Sprintf("testdata/%s_fail.png", callerFuncName)) - t.FailNow() - } - } - } -} - -func writeImage(img *image.RGBA, fileName string) error { - f, err := os.OpenFile(fileName, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0777) - if err != nil { - return fmt.Errorf("Failed to create file \"%s\"", fileName) - } - defer f.Close() - - err = png.Encode(f, img) - if err != nil { - return fmt.Errorf("Failed to encode PNG") - } - return nil -} - -func TestFillRect(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#F00") - cv.FillRect(10, 10, 10, 10) - - cv.SetFillStyle("#F008") - cv.FillRect(30, 10, 10, 10) - - cv.SetFillStyle(64, 96, 128, 160) - cv.FillRect(50, 10, 10, 10) - - cv.SetFillStyle(0.5, 0.7, 0.2, 0.8) - cv.FillRect(70, 10, 10, 10) - }) -} - -func TestFillConvexPath(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#0F0") - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(60, 20) - cv.LineTo(80, 80) - cv.LineTo(40, 80) - cv.ClosePath() - cv.Fill() - }) -} -func TestFillConcavePath(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#0F0") - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(60, 20) - cv.LineTo(60, 60) - cv.LineTo(50, 60) - cv.LineTo(50, 40) - cv.LineTo(20, 40) - cv.ClosePath() - cv.Fill() - }) -} - -func TestFillHammer(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#0F0") - cv.BeginPath() - cv.Translate(50, 50) - cv.Scale(0.7, 0.7) - cv.MoveTo(-6, 60) - cv.LineTo(-6, -50) - cv.LineTo(-25, -50) - cv.LineTo(-12, -60) - cv.LineTo(25, -60) - cv.LineTo(25, -50) - cv.LineTo(6, -50) - cv.LineTo(6, 60) - cv.ClosePath() - cv.Fill() - }) -} - -func TestDrawPath(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#00F") - cv.SetLineJoin(canvas.Miter) - cv.SetLineWidth(8) - cv.BeginPath() - cv.MoveTo(10, 10) - cv.LineTo(30, 10) - cv.LineTo(30, 30) - cv.LineTo(10, 30) - cv.ClosePath() - cv.Stroke() - - cv.SetLineJoin(canvas.Round) - cv.BeginPath() - cv.MoveTo(40, 10) - cv.LineTo(60, 10) - cv.LineTo(60, 30) - cv.LineTo(40, 30) - cv.ClosePath() - cv.Stroke() - - cv.SetLineJoin(canvas.Bevel) - cv.BeginPath() - cv.MoveTo(70, 10) - cv.LineTo(90, 10) - cv.LineTo(90, 30) - cv.LineTo(70, 30) - cv.ClosePath() - cv.Stroke() - - cv.SetLineCap(canvas.Butt) - cv.BeginPath() - cv.MoveTo(10, 40) - cv.LineTo(30, 40) - cv.LineTo(30, 60) - cv.LineTo(10, 60) - cv.Stroke() - - cv.SetLineCap(canvas.Round) - cv.BeginPath() - cv.MoveTo(40, 40) - cv.LineTo(60, 40) - cv.LineTo(60, 60) - cv.LineTo(40, 60) - cv.Stroke() - - cv.SetLineCap(canvas.Square) - cv.BeginPath() - cv.MoveTo(70, 40) - cv.LineTo(90, 40) - cv.LineTo(90, 60) - cv.LineTo(70, 60) - cv.Stroke() - }) -} - -func TestMiterLimit(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#0F0") - cv.SetLineJoin(canvas.Miter) - cv.SetLineWidth(2.5) - cv.SetMiterLimit(30) - y, step := 20.0, 4.0 - for i := 0; i < 20; i++ { - cv.LineTo(20, y) - y += step - cv.LineTo(80, y) - y += step - step *= 0.9 - } - cv.Stroke() - }) -} - -func TestLineDash(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#0F0") - cv.SetLineWidth(2.5) - cv.SetLineDash([]float64{4, 6, 8}) - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(80, 20) - cv.LineTo(80, 80) - cv.LineTo(50, 80) - cv.LineTo(50, 50) - cv.LineTo(20, 50) - cv.ClosePath() - cv.MoveTo(30, 30) - cv.LineTo(70, 30) - cv.LineTo(70, 70) - cv.LineTo(60, 70) - cv.LineTo(60, 40) - cv.LineTo(30, 40) - cv.ClosePath() - cv.Stroke() - ld := cv.GetLineDash() - if ld[0] != 4 || ld[1] != 6 || ld[2] != 8 || ld[3] != 4 || ld[4] != 6 || ld[5] != 8 { - t.Fail() - } - }) -} - -func TestLineDashOffset(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#0F0") - cv.SetLineWidth(2.5) - cv.SetLineDash([]float64{4, 6, 8}) - cv.SetLineDashOffset(5) - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(80, 20) - cv.LineTo(80, 80) - cv.LineTo(50, 80) - cv.LineTo(50, 50) - cv.LineTo(20, 50) - cv.ClosePath() - cv.MoveTo(30, 30) - cv.LineTo(70, 30) - cv.LineTo(70, 70) - cv.LineTo(60, 70) - cv.LineTo(60, 40) - cv.LineTo(30, 40) - cv.ClosePath() - cv.Stroke() - ld := cv.GetLineDash() - if ld[0] != 4 || ld[1] != 6 || ld[2] != 8 || ld[3] != 4 || ld[4] != 6 || ld[5] != 8 { - t.Fail() - } - }) -} - -func TestCurves(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#00F") - cv.SetLineWidth(2.5) - cv.BeginPath() - cv.Arc(30, 30, 15, 0, 4, false) - cv.ClosePath() - cv.MoveTo(30, 70) - cv.LineTo(40, 70) - cv.ArcTo(50, 70, 50, 55, 5) - cv.ArcTo(50, 40, 55, 40, 5) - cv.QuadraticCurveTo(70, 40, 80, 60) - cv.BezierCurveTo(70, 80, 60, 80, 50, 90) - cv.Stroke() - }) -} - -func TestAlpha(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#F00") - cv.SetLineWidth(2.5) - cv.BeginPath() - cv.Arc(30, 30, 15, 0, 4, false) - cv.ClosePath() - cv.MoveTo(30, 70) - cv.LineTo(40, 70) - cv.ArcTo(50, 70, 50, 55, 5) - cv.ArcTo(50, 40, 55, 40, 5) - cv.QuadraticCurveTo(70, 40, 80, 60) - cv.BezierCurveTo(70, 80, 60, 80, 50, 90) - cv.Stroke() - - cv.SetStrokeStyle("#0F08") - cv.SetLineWidth(5) - cv.BeginPath() - cv.MoveTo(10, 10) - cv.LineTo(90, 90) - cv.LineTo(90, 10) - cv.LineTo(10, 90) - cv.ClosePath() - cv.Stroke() - - cv.SetGlobalAlpha(0.5) - cv.SetStrokeStyle("#FFF8") - cv.SetLineWidth(8) - cv.BeginPath() - cv.MoveTo(50, 10) - cv.LineTo(50, 90) - cv.Stroke() - }) -} - -func TestClosePath(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#0F0") - cv.SetLineWidth(2.5) - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(40, 20) - cv.LineTo(40, 40) - cv.LineTo(20, 40) - cv.ClosePath() - cv.MoveTo(60, 20) - cv.LineTo(80, 20) - cv.LineTo(80, 40) - cv.LineTo(60, 40) - cv.ClosePath() - cv.Stroke() - - cv.SetFillStyle("#00F") - cv.BeginPath() - cv.MoveTo(20, 60) - cv.LineTo(40, 60) - cv.LineTo(40, 80) - cv.LineTo(20, 80) - cv.ClosePath() - cv.MoveTo(60, 60) - cv.LineTo(80, 60) - cv.LineTo(80, 80) - cv.LineTo(60, 80) - cv.ClosePath() - cv.Fill() - }) -} - -func TestLineDash2(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#0F0") - cv.SetLineWidth(2.5) - cv.BeginPath() - cv.MoveTo(20, 20) - cv.LineTo(40, 20) - cv.LineTo(40, 40) - cv.LineTo(20, 40) - cv.ClosePath() - cv.MoveTo(60, 20) - cv.LineTo(80, 20) - cv.LineTo(80, 40) - cv.LineTo(60, 40) - cv.ClosePath() - cv.SetLineDash([]float64{4, 4}) - cv.MoveTo(20, 60) - cv.LineTo(40, 60) - cv.LineTo(40, 80) - cv.LineTo(20, 80) - cv.ClosePath() - cv.MoveTo(60, 60) - cv.LineTo(80, 60) - cv.LineTo(80, 80) - cv.LineTo(60, 80) - cv.ClosePath() - cv.Stroke() - }) -} -func TestText(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFont("testdata/Roboto-Light.ttf", 48) - cv.SetFillStyle("#F00") - cv.FillText("A BC", 0, 46) - cv.SetStrokeStyle("#0F0") - cv.SetLineWidth(1) - cv.StrokeText("D EF", 0, 90) - }) -} - -func TestConvex(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#F00") - cv.BeginPath() - cv.MoveTo(10, 10) - cv.LineTo(20, 10) - cv.LineTo(20, 20) - cv.LineTo(10, 20) - cv.LineTo(10, 10) - cv.ClosePath() - cv.Fill() - - cv.SetFillStyle("#0F0") - cv.BeginPath() - cv.MoveTo(30, 10) - cv.LineTo(40, 10) - cv.LineTo(40, 15) - cv.LineTo(35, 15) - cv.LineTo(35, 20) - cv.LineTo(40, 20) - cv.LineTo(40, 25) - cv.LineTo(30, 25) - cv.ClosePath() - cv.Fill() - - cv.SetFillStyle("#00F") - cv.BeginPath() - cv.MoveTo(50, 10) - cv.LineTo(50, 25) - cv.LineTo(60, 25) - cv.LineTo(60, 20) - cv.LineTo(55, 20) - cv.LineTo(55, 15) - cv.LineTo(60, 15) - cv.LineTo(60, 10) - cv.ClosePath() - cv.Fill() - - cv.SetFillStyle("#FFF") - cv.BeginPath() - cv.MoveTo(20, 35) - cv.LineTo(80, 35) - cv.ArcTo(90, 35, 90, 45, 10) - cv.LineTo(90, 80) - cv.ArcTo(90, 90, 80, 90, 10) - cv.LineTo(20, 90) - cv.ArcTo(10, 90, 10, 80, 10) - cv.LineTo(10, 45) - cv.ArcTo(10, 35, 20, 35, 10) - cv.ClosePath() - cv.Fill() - }) -} - -func TestConvexSelfIntersecting(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#F00") - cv.BeginPath() - cv.MoveTo(33.7, 31.5) - cv.LineTo(35.4, 55.0) - cv.LineTo(53.0, 33.5) - cv.LineTo(56.4, 62.4) - cv.ClosePath() - cv.Fill() - }) -} - -func TestTransform(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - path := cv.NewPath2D() - path.MoveTo(-10, -10) - path.LineTo(10, -10) - path.LineTo(0, 10) - path.ClosePath() - - cv.Translate(40, 20) - cv.BeginPath() - cv.LineTo(10, 10) - cv.LineTo(30, 10) - cv.LineTo(20, 30) - cv.ClosePath() - cv.SetStrokeStyle("#F00") - cv.Stroke() - cv.SetStrokeStyle("#0F0") - cv.StrokePath(path) - cv.Translate(20, 0) - cv.SetStrokeStyle("#00F") - cv.StrokePath(path) - cv.Translate(-40, 30) - cv.BeginPath() - cv.LineTo(10, 10) - cv.LineTo(30, 10) - cv.LineTo(20, 30) - cv.ClosePath() - cv.Translate(20, 0) - cv.SetStrokeStyle("#FF0") - cv.Stroke() - cv.Translate(20, 0) - cv.SetStrokeStyle("#F0F") - cv.StrokePath(path) - }) -} - -func TestTransform2(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetStrokeStyle("#FFF") - cv.SetLineWidth(16) - cv.MoveTo(20, 20) - cv.LineTo(20, 50) - cv.Scale(2, 1) - cv.LineTo(45, 80) - cv.SetLineJoin(canvas.Round) - cv.SetLineCap(canvas.Round) - cv.Stroke() - }) -} - -func TestImage(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.DrawImage("testdata/cat.jpg", 5, 5, 40, 40) - cv.DrawImage("testdata/cat.jpg", 100, 100, 100, 100, 55, 55, 40, 40) - cv.Save() - cv.Translate(75, 25) - cv.Rotate(math.Pi / 2) - cv.Translate(-20, -20) - cv.DrawImage("testdata/cat.jpg", 0, 0, 40, 40) - cv.Restore() - cv.SetTransform(1, 0, 0.2, 1, 0, 0) - cv.DrawImage("testdata/cat.jpg", -8, 55, 40, 40) - }) -} - -func TestGradient(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.Translate(50, 50) - cv.Scale(0.8, 0.7) - cv.Rotate(math.Pi * 0.1) - cv.Translate(-50, -50) - - lg := cv.CreateLinearGradient(10, 10, 40, 20) - lg.AddColorStop(0, 0.5, 0, 0) - lg.AddColorStop(0.5, "#008000") - lg.AddColorStop(1, 0, 0, 128) - cv.SetFillStyle(lg) - cv.FillRect(0, 0, 50, 100) - - rg := cv.CreateRadialGradient(75, 15, 10, 75, 75, 20) - rg.AddColorStop(0, 1.0, 0, 0, 0.5) - rg.AddColorStop(0.5, "#00FF0080") - rg.AddColorStop(1, 0, 0, 255, 128) - cv.SetFillStyle(rg) - cv.FillRect(50, 0, 50, 100) - }) -} - -func TestImagePattern(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.Translate(50, 50) - cv.Scale(0.95, 1.05) - cv.Rotate(-math.Pi * 0.1) - - cv.SetFillStyle("testdata/cat.jpg") - cv.FillRect(-40, -40, 80, 80) - }) -} - -func TestImagePattern2(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - ptrn := cv.CreatePattern("testdata/cat.jpg", canvas.NoRepeat) - ptrn.SetTransform([6]float64{0, 0.1, 0.1, 0, 0, 0}) - - cv.Translate(50, 50) - cv.Scale(0.95, 1.05) - cv.Rotate(-math.Pi * 0.1) - - cv.SetFillStyle(ptrn) - cv.FillRect(-40, -40, 80, 80) - }) -} - -func TestShadow(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - cv.SetFillStyle("#800") - cv.SetShadowColor("#00F") - cv.SetShadowOffset(6, 6) - cv.FillRect(10, 10, 60, 25) - cv.SetShadowBlur(6) - cv.FillRect(10, 55, 60, 25) - cv.SetFillStyle("#0F0") - cv.SetShadowColor("#F0F") - cv.SetGlobalAlpha(0.5) - cv.FillRect(50, 15, 30, 60) - }) -} - -func TestReadme(t *testing.T) { - run(t, func(cv *canvas.Canvas) { - w, h := 100.0, 100.0 - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - - for r := 0.0; r < math.Pi*2; r += math.Pi * 0.1 { - cv.SetFillStyle(int(r*10), int(r*20), int(r*40)) - cv.BeginPath() - cv.MoveTo(w*0.5, h*0.5) - cv.Arc(w*0.5, h*0.5, math.Min(w, h)*0.4, r, r+0.1*math.Pi, false) - cv.ClosePath() - cv.Fill() - } - - cv.SetStrokeStyle("#FFF") - cv.SetLineWidth(10) - cv.BeginPath() - cv.Arc(w*0.5, h*0.5, math.Min(w, h)*0.4, 0, math.Pi*2, false) - cv.Stroke() - }) -} diff --git a/examples/android/CanvasAndroidExample/.gitignore b/examples/android/CanvasAndroidExample/.gitignore deleted file mode 100644 index 5edb4ee..0000000 --- a/examples/android/CanvasAndroidExample/.gitignore +++ /dev/null @@ -1,10 +0,0 @@ -*.iml -.gradle -/local.properties -/.idea/libraries -/.idea/modules.xml -/.idea/workspace.xml -.DS_Store -/build -/captures -.externalNativeBuild diff --git a/examples/android/CanvasAndroidExample/.idea/caches/build_file_checksums.ser b/examples/android/CanvasAndroidExample/.idea/caches/build_file_checksums.ser deleted file mode 100644 index 1ddb894..0000000 Binary files a/examples/android/CanvasAndroidExample/.idea/caches/build_file_checksums.ser and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/.idea/codeStyles/Project.xml b/examples/android/CanvasAndroidExample/.idea/codeStyles/Project.xml deleted file mode 100644 index 30aa626..0000000 --- a/examples/android/CanvasAndroidExample/.idea/codeStyles/Project.xml +++ /dev/null @@ -1,29 +0,0 @@ - - - - - - - - - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/.idea/encodings.xml b/examples/android/CanvasAndroidExample/.idea/encodings.xml deleted file mode 100644 index 97626ba..0000000 --- a/examples/android/CanvasAndroidExample/.idea/encodings.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/.idea/gradle.xml b/examples/android/CanvasAndroidExample/.idea/gradle.xml deleted file mode 100644 index 7ac24c7..0000000 --- a/examples/android/CanvasAndroidExample/.idea/gradle.xml +++ /dev/null @@ -1,18 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/.idea/misc.xml b/examples/android/CanvasAndroidExample/.idea/misc.xml deleted file mode 100644 index dc34569..0000000 --- a/examples/android/CanvasAndroidExample/.idea/misc.xml +++ /dev/null @@ -1,34 +0,0 @@ - - - - - - - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/.idea/runConfigurations.xml b/examples/android/CanvasAndroidExample/.idea/runConfigurations.xml deleted file mode 100644 index 7f68460..0000000 --- a/examples/android/CanvasAndroidExample/.idea/runConfigurations.xml +++ /dev/null @@ -1,12 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/.idea/vcs.xml b/examples/android/CanvasAndroidExample/.idea/vcs.xml deleted file mode 100644 index c2365ab..0000000 --- a/examples/android/CanvasAndroidExample/.idea/vcs.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/app/.gitignore b/examples/android/CanvasAndroidExample/app/.gitignore deleted file mode 100644 index 796b96d..0000000 --- a/examples/android/CanvasAndroidExample/app/.gitignore +++ /dev/null @@ -1 +0,0 @@ -/build diff --git a/examples/android/CanvasAndroidExample/app/build.gradle b/examples/android/CanvasAndroidExample/app/build.gradle deleted file mode 100644 index 540fa7d..0000000 --- a/examples/android/CanvasAndroidExample/app/build.gradle +++ /dev/null @@ -1,27 +0,0 @@ -apply plugin: 'com.android.application' - -android { - compileSdkVersion 26 - defaultConfig { - applicationId "com.example.canvasandroidexample" - minSdkVersion 15 - targetSdkVersion 26 - versionCode 1 - versionName "1.0" - testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" - } - buildTypes { - release { - minifyEnabled false - proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' - } - } -} - -dependencies { - implementation fileTree(dir: 'libs', include: ['*.jar']) - implementation fileTree(dir: 'libs', include: ['*.aar']) - testImplementation 'junit:junit:4.12' - androidTestImplementation 'com.android.support.test:runner:1.0.2' - androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2' -} diff --git a/examples/android/CanvasAndroidExample/app/proguard-rules.pro b/examples/android/CanvasAndroidExample/app/proguard-rules.pro deleted file mode 100644 index f1b4245..0000000 --- a/examples/android/CanvasAndroidExample/app/proguard-rules.pro +++ /dev/null @@ -1,21 +0,0 @@ -# Add project specific ProGuard rules here. -# You can control the set of applied configuration files using the -# proguardFiles setting in build.gradle. -# -# For more details, see -# http://developer.android.com/guide/developing/tools/proguard.html - -# If your project uses WebView with JS, uncomment the following -# and specify the fully qualified class name to the JavaScript interface -# class: -#-keepclassmembers class fqcn.of.javascript.interface.for.webview { -# public *; -#} - -# Uncomment this to preserve the line number information for -# debugging stack traces. -#-keepattributes SourceFile,LineNumberTable - -# If you keep the line number information, uncomment this to -# hide the original source file name. -#-renamesourcefileattribute SourceFile diff --git a/examples/android/CanvasAndroidExample/app/src/androidTest/java/com/example/canvasandroidexample/ExampleInstrumentedTest.java b/examples/android/CanvasAndroidExample/app/src/androidTest/java/com/example/canvasandroidexample/ExampleInstrumentedTest.java deleted file mode 100644 index 39b7560..0000000 --- a/examples/android/CanvasAndroidExample/app/src/androidTest/java/com/example/canvasandroidexample/ExampleInstrumentedTest.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.example.canvasandroidexample; - -import android.content.Context; -import android.support.test.InstrumentationRegistry; -import android.support.test.runner.AndroidJUnit4; - -import org.junit.Test; -import org.junit.runner.RunWith; - -import static org.junit.Assert.*; - -/** - * Instrumented test, which will execute on an Android device. - * - * @see Testing documentation - */ -@RunWith(AndroidJUnit4.class) -public class ExampleInstrumentedTest { - @Test - public void useAppContext() { - // Context of the app under test. - Context appContext = InstrumentationRegistry.getTargetContext(); - - assertEquals("com.example.canvasandroidexample", appContext.getPackageName()); - } -} diff --git a/examples/android/CanvasAndroidExample/app/src/main/AndroidManifest.xml b/examples/android/CanvasAndroidExample/app/src/main/AndroidManifest.xml deleted file mode 100644 index ab15940..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/AndroidManifest.xml +++ /dev/null @@ -1,21 +0,0 @@ - - - - - - - - - - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/app/src/main/java/com/example/canvasandroidexample/MainActivity.java b/examples/android/CanvasAndroidExample/app/src/main/java/com/example/canvasandroidexample/MainActivity.java deleted file mode 100644 index c6c10fb..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/java/com/example/canvasandroidexample/MainActivity.java +++ /dev/null @@ -1,61 +0,0 @@ -package com.example.canvasandroidexample; - -import android.app.Activity; -import android.opengl.*; -import android.os.Bundle; -import android.view.MotionEvent; -import android.view.View; - -import javax.microedition.khronos.egl.EGLConfig; -import javax.microedition.khronos.opengles.GL10; - -import canvasandroidexample.Canvasandroidexample; - -public class MainActivity extends Activity implements GLSurfaceView.Renderer { - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - - GLSurfaceView view = new GLSurfaceView(this); - view.setEGLContextClientVersion(2); - view.setEGLConfigChooser(8, 8, 8, 8, 0, 8); - view.setRenderer(this); - view.setOnTouchListener(new View.OnTouchListener() { - @Override - public boolean onTouch(View v, MotionEvent event) { - int x = Math.round(event.getX()); - int y = Math.round(event.getY()); - if (event.getAction() == MotionEvent.ACTION_DOWN) { - Canvasandroidexample.touchEvent("down", x, y); - } else if (event.getAction() == MotionEvent.ACTION_UP) { - Canvasandroidexample.touchEvent("up", x, y); - } else if (event.getAction() == MotionEvent.ACTION_MOVE) { - Canvasandroidexample.touchEvent("move", x, y); - } - return true; - } - }); - setContentView(view); - } - - @Override - protected void onResume() { - super.onResume(); - } - - @Override - public void onSurfaceCreated(GL10 gl, EGLConfig config) { - Canvasandroidexample.onSurfaceCreated(); - } - - @Override - public void onSurfaceChanged(GL10 gl, int width, int height) { - Canvasandroidexample.onSurfaceChanged(width, height); - } - - @Override - public void onDrawFrame(GL10 gl) { - Canvasandroidexample.onDrawFrame(); - } -} diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/examples/android/CanvasAndroidExample/app/src/main/res/drawable-v24/ic_launcher_foreground.xml deleted file mode 100644 index c3903ed..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/drawable-v24/ic_launcher_foreground.xml +++ /dev/null @@ -1,34 +0,0 @@ - - - - - - - - - - - diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/drawable/ic_launcher_background.xml b/examples/android/CanvasAndroidExample/app/src/main/res/drawable/ic_launcher_background.xml deleted file mode 100644 index 5713f34..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/drawable/ic_launcher_background.xml +++ /dev/null @@ -1,171 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml deleted file mode 100644 index bbd3e02..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml +++ /dev/null @@ -1,5 +0,0 @@ - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml deleted file mode 100644 index bbd3e02..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml +++ /dev/null @@ -1,5 +0,0 @@ - - - - - \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher.png deleted file mode 100644 index a2f5908..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher_round.png deleted file mode 100644 index 1b52399..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher.png deleted file mode 100644 index ff10afd..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher_round.png deleted file mode 100644 index 115a4c7..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-mdpi/ic_launcher_round.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher.png deleted file mode 100644 index dcd3cd8..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png deleted file mode 100644 index 459ca60..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher.png deleted file mode 100644 index 8ca12fe..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png deleted file mode 100644 index 8e19b41..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png deleted file mode 100644 index b824ebd..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png deleted file mode 100644 index 4c19a13..0000000 Binary files a/examples/android/CanvasAndroidExample/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/values/colors.xml b/examples/android/CanvasAndroidExample/app/src/main/res/values/colors.xml deleted file mode 100644 index 3ab3e9c..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/values/colors.xml +++ /dev/null @@ -1,6 +0,0 @@ - - - #3F51B5 - #303F9F - #FF4081 - diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/values/strings.xml b/examples/android/CanvasAndroidExample/app/src/main/res/values/strings.xml deleted file mode 100644 index d8603ef..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/values/strings.xml +++ /dev/null @@ -1,3 +0,0 @@ - - CanvasAndroidExample - diff --git a/examples/android/CanvasAndroidExample/app/src/main/res/values/styles.xml b/examples/android/CanvasAndroidExample/app/src/main/res/values/styles.xml deleted file mode 100644 index ff6c9d2..0000000 --- a/examples/android/CanvasAndroidExample/app/src/main/res/values/styles.xml +++ /dev/null @@ -1,8 +0,0 @@ - - - - - - diff --git a/examples/android/CanvasAndroidExample/app/src/test/java/com/example/canvasandroidexample/ExampleUnitTest.java b/examples/android/CanvasAndroidExample/app/src/test/java/com/example/canvasandroidexample/ExampleUnitTest.java deleted file mode 100644 index 11d000b..0000000 --- a/examples/android/CanvasAndroidExample/app/src/test/java/com/example/canvasandroidexample/ExampleUnitTest.java +++ /dev/null @@ -1,17 +0,0 @@ -package com.example.canvasandroidexample; - -import org.junit.Test; - -import static org.junit.Assert.*; - -/** - * Example local unit test, which will execute on the development machine (host). - * - * @see Testing documentation - */ -public class ExampleUnitTest { - @Test - public void addition_isCorrect() { - assertEquals(4, 2 + 2); - } -} \ No newline at end of file diff --git a/examples/android/CanvasAndroidExample/build.gradle b/examples/android/CanvasAndroidExample/build.gradle deleted file mode 100644 index 1a3d812..0000000 --- a/examples/android/CanvasAndroidExample/build.gradle +++ /dev/null @@ -1,27 +0,0 @@ -// Top-level build file where you can add configuration options common to all sub-projects/modules. - -buildscript { - - repositories { - google() - jcenter() - } - dependencies { - classpath 'com.android.tools.build:gradle:3.1.2' - - - // NOTE: Do not place your application dependencies here; they belong - // in the individual module build.gradle files - } -} - -allprojects { - repositories { - google() - jcenter() - } -} - -task clean(type: Delete) { - delete rootProject.buildDir -} diff --git a/examples/android/CanvasAndroidExample/gradle.properties b/examples/android/CanvasAndroidExample/gradle.properties deleted file mode 100644 index 743d692..0000000 --- a/examples/android/CanvasAndroidExample/gradle.properties +++ /dev/null @@ -1,13 +0,0 @@ -# Project-wide Gradle settings. -# IDE (e.g. Android Studio) users: -# Gradle settings configured through the IDE *will override* -# any settings specified in this file. -# For more details on how to configure your build environment visit -# http://www.gradle.org/docs/current/userguide/build_environment.html -# Specifies the JVM arguments used for the daemon process. -# The setting is particularly useful for tweaking memory settings. -org.gradle.jvmargs=-Xmx1536m -# When configured, Gradle will run in incubating parallel mode. -# This option should only be used with decoupled projects. More details, visit -# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects -# org.gradle.parallel=true diff --git a/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.jar b/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.jar deleted file mode 100644 index 7a3265e..0000000 Binary files a/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.jar and /dev/null differ diff --git a/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.properties b/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.properties deleted file mode 100644 index 759c3fa..0000000 --- a/examples/android/CanvasAndroidExample/gradle/wrapper/gradle-wrapper.properties +++ /dev/null @@ -1,6 +0,0 @@ -#Thu May 10 15:38:02 CEST 2018 -distributionBase=GRADLE_USER_HOME -distributionPath=wrapper/dists -zipStoreBase=GRADLE_USER_HOME -zipStorePath=wrapper/dists -distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip diff --git a/examples/android/CanvasAndroidExample/gradlew b/examples/android/CanvasAndroidExample/gradlew deleted file mode 100755 index cccdd3d..0000000 --- a/examples/android/CanvasAndroidExample/gradlew +++ /dev/null @@ -1,172 +0,0 @@ -#!/usr/bin/env sh - -############################################################################## -## -## Gradle start up script for UN*X -## -############################################################################## - -# Attempt to set APP_HOME -# Resolve links: $0 may be a link -PRG="$0" -# Need this for relative symlinks. -while [ -h "$PRG" ] ; do - ls=`ls -ld "$PRG"` - link=`expr "$ls" : '.*-> \(.*\)$'` - if expr "$link" : '/.*' > /dev/null; then - PRG="$link" - else - PRG=`dirname "$PRG"`"/$link" - fi -done -SAVED="`pwd`" -cd "`dirname \"$PRG\"`/" >/dev/null -APP_HOME="`pwd -P`" -cd "$SAVED" >/dev/null - -APP_NAME="Gradle" -APP_BASE_NAME=`basename "$0"` - -# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. -DEFAULT_JVM_OPTS="" - -# Use the maximum available, or set MAX_FD != -1 to use that value. -MAX_FD="maximum" - -warn () { - echo "$*" -} - -die () { - echo - echo "$*" - echo - exit 1 -} - -# OS specific support (must be 'true' or 'false'). -cygwin=false -msys=false -darwin=false -nonstop=false -case "`uname`" in - CYGWIN* ) - cygwin=true - ;; - Darwin* ) - darwin=true - ;; - MINGW* ) - msys=true - ;; - NONSTOP* ) - nonstop=true - ;; -esac - -CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar - -# Determine the Java command to use to start the JVM. -if [ -n "$JAVA_HOME" ] ; then - if [ -x "$JAVA_HOME/jre/sh/java" ] ; then - # IBM's JDK on AIX uses strange locations for the executables - JAVACMD="$JAVA_HOME/jre/sh/java" - else - JAVACMD="$JAVA_HOME/bin/java" - fi - if [ ! -x "$JAVACMD" ] ; then - die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME - -Please set the JAVA_HOME variable in your environment to match the -location of your Java installation." - fi -else - JAVACMD="java" - which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. - -Please set the JAVA_HOME variable in your environment to match the -location of your Java installation." -fi - -# Increase the maximum file descriptors if we can. -if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then - MAX_FD_LIMIT=`ulimit -H -n` - if [ $? -eq 0 ] ; then - if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then - MAX_FD="$MAX_FD_LIMIT" - fi - ulimit -n $MAX_FD - if [ $? -ne 0 ] ; then - warn "Could not set maximum file descriptor limit: $MAX_FD" - fi - else - warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" - fi -fi - -# For Darwin, add options to specify how the application appears in the dock -if $darwin; then - GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" -fi - -# For Cygwin, switch paths to Windows format before running java -if $cygwin ; then - APP_HOME=`cygpath --path --mixed "$APP_HOME"` - CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` - JAVACMD=`cygpath --unix "$JAVACMD"` - - # We build the pattern for arguments to be converted via cygpath - ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` - SEP="" - for dir in $ROOTDIRSRAW ; do - ROOTDIRS="$ROOTDIRS$SEP$dir" - SEP="|" - done - OURCYGPATTERN="(^($ROOTDIRS))" - # Add a user-defined pattern to the cygpath arguments - if [ "$GRADLE_CYGPATTERN" != "" ] ; then - OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" - fi - # Now convert the arguments - kludge to limit ourselves to /bin/sh - i=0 - for arg in "$@" ; do - CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` - CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option - - if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition - eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` - else - eval `echo args$i`="\"$arg\"" - fi - i=$((i+1)) - done - case $i in - (0) set -- ;; - (1) set -- "$args0" ;; - (2) set -- "$args0" "$args1" ;; - (3) set -- "$args0" "$args1" "$args2" ;; - (4) set -- "$args0" "$args1" "$args2" "$args3" ;; - (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; - (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; - (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; - (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; - (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; - esac -fi - -# Escape application args -save () { - for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done - echo " " -} -APP_ARGS=$(save "$@") - -# Collect all arguments for the java command, following the shell quoting and substitution rules -eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" - -# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong -if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then - cd "$(dirname "$0")" -fi - -exec "$JAVACMD" "$@" diff --git a/examples/android/CanvasAndroidExample/gradlew.bat b/examples/android/CanvasAndroidExample/gradlew.bat deleted file mode 100644 index e95643d..0000000 --- a/examples/android/CanvasAndroidExample/gradlew.bat +++ /dev/null @@ -1,84 +0,0 @@ -@if "%DEBUG%" == "" @echo off -@rem ########################################################################## -@rem -@rem Gradle startup script for Windows -@rem -@rem ########################################################################## - -@rem Set local scope for the variables with windows NT shell -if "%OS%"=="Windows_NT" setlocal - -set DIRNAME=%~dp0 -if "%DIRNAME%" == "" set DIRNAME=. -set APP_BASE_NAME=%~n0 -set APP_HOME=%DIRNAME% - -@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. -set DEFAULT_JVM_OPTS= - -@rem Find java.exe -if defined JAVA_HOME goto findJavaFromJavaHome - -set JAVA_EXE=java.exe -%JAVA_EXE% -version >NUL 2>&1 -if "%ERRORLEVEL%" == "0" goto init - -echo. -echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. -echo. -echo Please set the JAVA_HOME variable in your environment to match the -echo location of your Java installation. - -goto fail - -:findJavaFromJavaHome -set JAVA_HOME=%JAVA_HOME:"=% -set JAVA_EXE=%JAVA_HOME%/bin/java.exe - -if exist "%JAVA_EXE%" goto init - -echo. -echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% -echo. -echo Please set the JAVA_HOME variable in your environment to match the -echo location of your Java installation. - -goto fail - -:init -@rem Get command-line arguments, handling Windows variants - -if not "%OS%" == "Windows_NT" goto win9xME_args - -:win9xME_args -@rem Slurp the command line arguments. -set CMD_LINE_ARGS= -set _SKIP=2 - -:win9xME_args_slurp -if "x%~1" == "x" goto execute - -set CMD_LINE_ARGS=%* - -:execute -@rem Setup the command line - -set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar - -@rem Execute Gradle -"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% - -:end -@rem End local scope for the variables with windows NT shell -if "%ERRORLEVEL%"=="0" goto mainEnd - -:fail -rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of -rem the _cmd.exe /c_ return code! -if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 -exit /b 1 - -:mainEnd -if "%OS%"=="Windows_NT" endlocal - -:omega diff --git a/examples/android/CanvasAndroidExample/settings.gradle b/examples/android/CanvasAndroidExample/settings.gradle deleted file mode 100644 index e7b4def..0000000 --- a/examples/android/CanvasAndroidExample/settings.gradle +++ /dev/null @@ -1 +0,0 @@ -include ':app' diff --git a/examples/android/README.md b/examples/android/README.md deleted file mode 100644 index a83c7bd..0000000 --- a/examples/android/README.md +++ /dev/null @@ -1,3 +0,0 @@ -As of this writing, gomobile does not support go modules. In this case this project can only be compiled while it is in the GOPATH/src directory. - -The go bindings are generated with the ```gomobile bind -target android``` command, which results in a .aar and a .jar file. These should be placed in the CanvasAndroidExample/app/libs directory, and then the project should compile. diff --git a/examples/android/android.go b/examples/android/android.go deleted file mode 100644 index 4c29fa7..0000000 --- a/examples/android/android.go +++ /dev/null @@ -1,42 +0,0 @@ -package canvasandroidexample - -import ( - "math" - - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" -) - -var cv *canvas.Canvas -var mx, my float64 - -func TouchEvent(typ string, x, y int) { - mx, my = float64(x), float64(y) -} - -func OnSurfaceCreated() { -} - -func OnSurfaceChanged(w, h int) { - backend, err := goglbackend.New(0, 0, w, h, nil) - if err != nil { - panic(err) - } - cv = canvas.New(backend) -} - -func OnDrawFrame() { - if cv == nil { - return - } - w, h := float64(cv.Width()), float64(cv.Height()) - - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - cv.SetFillStyle("#0F0") - cv.FillRect(w*0.25, h*0.25, w*0.5, h*0.5) - cv.SetLineWidth(6) - sqrSize := math.Min(w, h) * 0.1 - cv.SetStrokeStyle("#F00") - cv.StrokeRect(mx-sqrSize/2, my-sqrSize/2, sqrSize, sqrSize) -} diff --git a/examples/drawing/Righteous-Regular.ttf b/examples/drawing/Righteous-Regular.ttf deleted file mode 100644 index 07fc0b4..0000000 Binary files a/examples/drawing/Righteous-Regular.ttf and /dev/null differ diff --git a/examples/drawing/cat.jpg b/examples/drawing/cat.jpg deleted file mode 100755 index 27bcece..0000000 Binary files a/examples/drawing/cat.jpg and /dev/null differ diff --git a/examples/drawing/drawing.go b/examples/drawing/drawing.go deleted file mode 100644 index bee02d4..0000000 --- a/examples/drawing/drawing.go +++ /dev/null @@ -1,134 +0,0 @@ -package main - -import ( - "image/color" - "log" - "math" - - "github.com/tfriedel6/canvas/sdlcanvas" -) - -func main() { - wnd, cv, err := sdlcanvas.CreateWindow(1280, 720, "Canvas Example") - if err != nil { - log.Println(err) - return - } - defer wnd.Destroy() - - lg := cv.CreateLinearGradient(320, 200, 480, 520) - lg.AddColorStop(0, "#ff000040") - lg.AddColorStop(1, "#00ff0040") - lg.AddColorStop(0.5, "#0000ff40") - - rg := cv.CreateRadialGradient(540, 300, 80, 740, 300, 100) - rg.AddColorStop(0, "#ff0000") - rg.AddColorStop(1, "#00ff00") - rg.AddColorStop(0.5, "#0000ff") - - wnd.MainLoop(func() { - w, h := float64(cv.Width()), float64(cv.Height()) - - // Clear the screen - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - - // Estimated size used for scaling - const ( - contentWidth = 1000 - contentHeight = 350 - ) - - // Calculate scaling - sx := w / contentWidth - sy := h / contentHeight - scale := math.Min(sx, sy) - cv.Save() - defer cv.Restore() - cv.Scale(scale, scale) - - // Draw lines with different colors and line thickness - for x := 1.0; x < 10.5; x += 1.0 { - cv.SetStrokeStyle(int(x*25), 255, 255) - cv.SetLineWidth(x) - cv.BeginPath() - cv.MoveTo(x*10+20, 20) - cv.LineTo(x*10+20, 120) - cv.Stroke() - } - - // Draw a path - cv.BeginPath() - cv.MoveTo(160, 20) - cv.LineTo(180, 20) - cv.LineTo(180, 40) - cv.LineTo(200, 40) - cv.LineTo(200, 60) - cv.LineTo(220, 60) - cv.LineTo(220, 80) - cv.LineTo(240, 80) - cv.LineTo(240, 100) - cv.LineTo(260, 100) - cv.LineTo(260, 120) - cv.ArcTo(160, 120, 160, 100, 20) - cv.ClosePath() - cv.SetStrokeStyle(color.RGBA{R: 255, G: 128, B: 128, A: 255}) - cv.SetLineWidth(4) - cv.Stroke() - - // Fill a polygon - cv.BeginPath() - cv.MoveTo(300, 20) - cv.LineTo(340, 20) - cv.QuadraticCurveTo(370, 20, 370, 50) - cv.QuadraticCurveTo(370, 80, 400, 80) - cv.LineTo(400, 80) - cv.LineTo(400, 120) - cv.LineTo(360, 120) - cv.BezierCurveTo(330, 120, 330, 80, 300, 80) - cv.ClosePath() - cv.SetFillStyle(color.RGBA{R: 128, G: 255, B: 128, A: 255}) - cv.Fill() - - // Draw with alpha - cv.SetGlobalAlpha(0.5) - cv.SetFillStyle("#FF0000") - cv.BeginPath() - cv.Arc(100, 275, 60, 0, math.Pi*2, false) - cv.Fill() - cv.SetFillStyle("#00FF00") - cv.BeginPath() - cv.Arc(140, 210, 60, 0, math.Pi*2, false) - cv.Fill() - cv.SetFillStyle("#0000FF") - cv.BeginPath() - cv.Arc(180, 275, 60, 0, math.Pi*2, false) - cv.Fill() - cv.SetGlobalAlpha(1) - - // Clipped drawing - cv.Save() - cv.BeginPath() - cv.Arc(340, 240, 80, 0, math.Pi*2, true) - cv.Clip() - cv.SetStrokeStyle(0, 255, 0) - for x := 1.0; x < 12.5; x += 1.0 { - cv.BeginPath() - cv.MoveTo(260, 140+16*x) - cv.LineTo(420, 140+16*x) - cv.Stroke() - } - cv.SetFillStyle(0, 0, 255) - for x := 1.0; x < 12.5; x += 1.0 { - cv.FillRect(246+x*14, 150, 6, 180) - } - cv.Restore() - - // Draw images - cv.DrawImage("cat.jpg", 480, 40, 320, 265) - - // Draw text - cv.SetFont("Righteous-Regular.ttf", 40) - cv.FillText("<-- Cat", 820, 180) - }) -} diff --git a/examples/events/events.go b/examples/events/events.go deleted file mode 100644 index 9ce47d0..0000000 --- a/examples/events/events.go +++ /dev/null @@ -1,77 +0,0 @@ -package main - -import ( - "log" - "math" - "time" - - "github.com/tfriedel6/canvas/sdlcanvas" -) - -type circle struct { - x, y float64 - color string -} - -func main() { - wnd, cv, err := sdlcanvas.CreateWindow(1280, 720, "Canvas Example") - if err != nil { - log.Println(err) - return - } - defer wnd.Destroy() - - var mx, my, action float64 - circles := make([]circle, 0, 100) - - wnd.MouseMove = func(x, y int) { - mx, my = float64(x), float64(y) - } - wnd.MouseDown = func(button, x, y int) { - action = 1 - circles = append(circles, circle{x: mx, y: my, color: "#F00"}) - } - wnd.KeyDown = func(scancode int, rn rune, name string) { - switch name { - case "Escape": - wnd.Close() - case "Space": - action = 1 - circles = append(circles, circle{x: mx, y: my, color: "#0F0"}) - case "Enter": - action = 1 - circles = append(circles, circle{x: mx, y: my, color: "#00F"}) - } - } - - lastTime := time.Now() - - wnd.MainLoop(func() { - now := time.Now() - diff := now.Sub(lastTime) - lastTime = now - action -= diff.Seconds() * 3 - action = math.Max(0, action) - - w, h := float64(cv.Width()), float64(cv.Height()) - - // Clear the screen - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - - // Draw a circle around the cursor - cv.SetStrokeStyle("#F00") - cv.SetLineWidth(6) - cv.BeginPath() - cv.Arc(mx, my, 24+action*24, 0, math.Pi*2, false) - cv.Stroke() - - // Draw circles where the user has clicked - for _, circle := range circles { - cv.SetFillStyle(circle.color) - cv.BeginPath() - cv.Arc(circle.x, circle.y, 24, 0, math.Pi*2, false) - cv.Fill() - } - }) -} diff --git a/examples/glfw/glfw.go b/examples/glfw/glfw.go deleted file mode 100644 index e0d2e60..0000000 --- a/examples/glfw/glfw.go +++ /dev/null @@ -1,89 +0,0 @@ -package main - -import ( - "log" - "runtime" - - "github.com/go-gl/gl/v3.2-core/gl" - "github.com/go-gl/glfw/v3.3/glfw" - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" -) - -func main() { - runtime.LockOSThread() - - // init GLFW - err := glfw.Init() - if err != nil { - log.Fatalf("Error initializing GLFW: %v", err) - } - defer glfw.Terminate() - - // the stencil size setting is required for the canvas to work - glfw.WindowHint(glfw.StencilBits, 8) - glfw.WindowHint(glfw.DepthBits, 0) - - // create window - window, err := glfw.CreateWindow(1280, 720, "GLFW Test", nil, nil) - if err != nil { - log.Fatalf("Error creating window: %v", err) - } - window.MakeContextCurrent() - - // init GL - err = gl.Init() - if err != nil { - log.Fatalf("Error initializing GL: %v", err) - } - - // set vsync on, enable multisample (if available) - glfw.SwapInterval(1) - gl.Enable(gl.MULTISAMPLE) - - // load GL backend - backend, err := goglbackend.New(0, 0, 0, 0, nil) - if err != nil { - log.Fatalf("Error loading canvas GL assets: %v", err) - } - - var sx, sy float64 = 1, 1 - window.SetCursorPosCallback(func(w *glfw.Window, xpos, ypos float64) { - mx, my = xpos*sx, ypos*sy - }) - - // initialize canvas with zero size, since size is set in main loop - cv := canvas.New(backend) - - for !window.ShouldClose() { - window.MakeContextCurrent() - - // find window size and scaling - ww, wh := window.GetSize() - fbw, fbh := window.GetFramebufferSize() - sx = float64(fbw) / float64(ww) - sy = float64(fbh) / float64(wh) - - glfw.PollEvents() - - // set canvas size - backend.SetBounds(0, 0, fbw, fbh) - - // call the run function to do all the drawing - run(cv, float64(fbw), float64(fbh)) - - // swap back and front buffer - window.SwapBuffers() - } -} - -var mx, my float64 - -func run(cv *canvas.Canvas, w, h float64) { - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - cv.SetFillStyle("#00F") - cv.FillRect(w*0.25, h*0.25, w*0.5, h*0.5) - cv.SetStrokeStyle("#0F0") - cv.StrokeRect(mx-32, my-32, 64, 64) -} diff --git a/examples/gomobile/gomobile.go b/examples/gomobile/gomobile.go deleted file mode 100644 index a434515..0000000 --- a/examples/gomobile/gomobile.go +++ /dev/null @@ -1,71 +0,0 @@ -package main - -import ( - "log" - "math" - "time" - - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/xmobilebackend" - "golang.org/x/mobile/app" - "golang.org/x/mobile/event/lifecycle" - "golang.org/x/mobile/event/paint" - "golang.org/x/mobile/event/size" - "golang.org/x/mobile/gl" -) - -func main() { - app.Main(func(a app.App) { - var cv, painter *canvas.Canvas - var cvb *xmobilebackend.XMobileBackendOffscreen - var painterb *xmobilebackend.XMobileBackend - var w, h int - - var glctx gl.Context - for e := range a.Events() { - switch e := a.Filter(e).(type) { - case lifecycle.Event: - switch e.Crosses(lifecycle.StageVisible) { - case lifecycle.CrossOn: - var err error - glctx = e.DrawContext.(gl.Context) - ctx, err := xmobilebackend.NewGLContext(glctx) - if err != nil { - log.Fatal(err) - } - cvb, err = xmobilebackend.NewOffscreen(0, 0, false, ctx) - if err != nil { - log.Fatalln(err) - } - painterb, err = xmobilebackend.New(0, 0, 0, 0, ctx) - if err != nil { - log.Fatalln(err) - } - cv = canvas.New(cvb) - painter = canvas.New(painterb) - a.Send(paint.Event{}) - case lifecycle.CrossOff: - cvb.Delete() - glctx = nil - } - case size.Event: - w, h = e.WidthPx, e.HeightPx - case paint.Event: - if glctx != nil { - fw, fh := float64(w), float64(h) - color := math.Sin(float64(time.Now().UnixNano())*0.000000002)*0.3 + 0.7 - - cvb.SetSize(w, h) - cv.SetFillStyle(color*0.2, color*0.2, color*0.8) - cv.FillRect(fw*0.25, fh*0.25, fw*0.5, fh*0.5) - - painterb.SetBounds(0, 0, w, h) - painter.DrawImage(cv) - - a.Publish() - a.Send(paint.Event{}) - } - } - } - }) -} diff --git a/examples/ios/CanvasIOSExample/.gitignore b/examples/ios/CanvasIOSExample/.gitignore deleted file mode 100644 index d9349d6..0000000 --- a/examples/ios/CanvasIOSExample/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -xcuserdata -project.xcworkspace -Example.framework - diff --git a/examples/ios/CanvasIOSExample/CanvasIOSExample.xcodeproj/project.pbxproj b/examples/ios/CanvasIOSExample/CanvasIOSExample.xcodeproj/project.pbxproj deleted file mode 100644 index 066fe37..0000000 --- a/examples/ios/CanvasIOSExample/CanvasIOSExample.xcodeproj/project.pbxproj +++ /dev/null @@ -1,325 +0,0 @@ -// !$*UTF8*$! -{ - archiveVersion = 1; - classes = { - }; - objectVersion = 48; - objects = { - -/* Begin PBXBuildFile section */ - A02D492720AB3AA900E68C35 /* MainViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = A02D492620AB3AA900E68C35 /* MainViewController.swift */; }; - 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// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. - // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. - } - - func applicationDidEnterBackground(_ application: UIApplication) { - // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. - // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. - } - - func applicationWillEnterForeground(_ application: UIApplication) { - // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. - } - - func applicationDidBecomeActive(_ application: UIApplication) { - // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. - } - - func applicationWillTerminate(_ application: UIApplication) { - // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. - } -} diff --git a/examples/ios/CanvasIOSExample/CanvasIOSExample/Assets.xcassets/AppIcon.appiconset/Contents.json b/examples/ios/CanvasIOSExample/CanvasIOSExample/Assets.xcassets/AppIcon.appiconset/Contents.json deleted file mode 100644 index 1d060ed..0000000 --- a/examples/ios/CanvasIOSExample/CanvasIOSExample/Assets.xcassets/AppIcon.appiconset/Contents.json +++ /dev/null @@ -1,93 +0,0 @@ -{ - "images" : [ - { - "idiom" : "iphone", - "size" : "20x20", - "scale" : "2x" - }, - { - "idiom" : "iphone", - "size" : "20x20", - "scale" : "3x" - }, - { - "idiom" : "iphone", - "size" : "29x29", - "scale" : "2x" - }, - { - "idiom" : "iphone", - "size" : "29x29", - "scale" : "3x" - }, - { - "idiom" : "iphone", - "size" : "40x40", - "scale" : "2x" - }, - { - "idiom" : "iphone", - "size" : "40x40", - "scale" : "3x" - }, - { - "idiom" : "iphone", - "size" : "60x60", - "scale" : "2x" - }, - { - "idiom" : "iphone", - "size" : "60x60", - "scale" : "3x" - }, - { - "idiom" : "ipad", - "size" : "20x20", - "scale" : "1x" - }, - { - "idiom" : "ipad", - "size" : "20x20", - "scale" : "2x" - }, - { - "idiom" : "ipad", - "size" : "29x29", - "scale" : "1x" - }, - { - "idiom" : "ipad", - "size" : "29x29", - "scale" : "2x" - }, - { - "idiom" : "ipad", - "size" : "40x40", - "scale" : "1x" - }, - { - "idiom" : "ipad", - "size" : "40x40", - "scale" : "2x" - }, - { - "idiom" : "ipad", - "size" : "76x76", - "scale" : "1x" - }, - { - "idiom" : "ipad", - "size" : "76x76", - "scale" : "2x" - }, - { - "idiom" : "ipad", - "size" : "83.5x83.5", - "scale" : "2x" - } - ], - "info" : { - "version" : 1, - "author" : "xcode" - } -} \ No newline at end of file diff --git a/examples/ios/CanvasIOSExample/CanvasIOSExample/Base.lproj/LaunchScreen.storyboard b/examples/ios/CanvasIOSExample/CanvasIOSExample/Base.lproj/LaunchScreen.storyboard deleted file mode 100644 index f83f6fd..0000000 --- a/examples/ios/CanvasIOSExample/CanvasIOSExample/Base.lproj/LaunchScreen.storyboard +++ /dev/null @@ -1,25 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/examples/ios/CanvasIOSExample/CanvasIOSExample/Info.plist b/examples/ios/CanvasIOSExample/CanvasIOSExample/Info.plist deleted file mode 100644 index 4222ac2..0000000 --- a/examples/ios/CanvasIOSExample/CanvasIOSExample/Info.plist +++ /dev/null @@ -1,43 +0,0 @@ - - - - - CFBundleDevelopmentRegion - $(DEVELOPMENT_LANGUAGE) - CFBundleExecutable - $(EXECUTABLE_NAME) - CFBundleIdentifier - $(PRODUCT_BUNDLE_IDENTIFIER) - CFBundleInfoDictionaryVersion - 6.0 - CFBundleName - $(PRODUCT_NAME) - CFBundlePackageType - APPL - CFBundleShortVersionString - 1.0 - CFBundleVersion - 1 - LSRequiresIPhoneOS - - UILaunchStoryboardName - LaunchScreen - UIRequiredDeviceCapabilities - - armv7 - - UISupportedInterfaceOrientations - - UIInterfaceOrientationPortrait - UIInterfaceOrientationLandscapeLeft - UIInterfaceOrientationLandscapeRight - - UISupportedInterfaceOrientations~ipad - - UIInterfaceOrientationPortrait - UIInterfaceOrientationPortraitUpsideDown - UIInterfaceOrientationLandscapeLeft - UIInterfaceOrientationLandscapeRight - - - diff --git a/examples/ios/CanvasIOSExample/CanvasIOSExample/MainViewController.swift b/examples/ios/CanvasIOSExample/CanvasIOSExample/MainViewController.swift deleted file mode 100644 index 09f8ab4..0000000 --- a/examples/ios/CanvasIOSExample/CanvasIOSExample/MainViewController.swift +++ /dev/null @@ -1,54 +0,0 @@ -import UIKit -import GLKit -import Example - -class MainViewController : UIViewController, GLKViewDelegate { - var loaded:Bool? - - override func viewDidLoad() { - loaded = false - let view = GLKView(frame: UIScreen.main.bounds) - let context : EAGLContext? = EAGLContext(api: .openGLES2) - view.context = context! - view.drawableColorFormat = .RGBA8888 - view.drawableDepthFormat = .formatNone - view.drawableStencilFormat = .format8 - view.drawableMultisample = .multisample4X - view.delegate = self - self.view = view - } - - func glkView(_ view: GLKView, drawIn rect: CGRect) { - if loaded == nil || !loaded! { - loaded = true - let scale = UIScreen.main.nativeScale - ExampleLoadGL(Int(rect.width * scale), Int(rect.height * scale)) - } - - ExampleDrawFrame() - DispatchQueue.main.async { - view.setNeedsDisplay() - } - } - - override func touchesBegan(_ touches: Set, with event: UIEvent?) { - let scale = UIScreen.main.nativeScale - let touch = touches.first! - let loc = touch.location(in: self.view) - ExampleTouchEvent("down", Int(loc.x*scale), Int(loc.y*scale)) - } - - override func touchesMoved(_ touches: Set, with event: UIEvent?) { - let scale = UIScreen.main.nativeScale - let touch = touches.first! - let loc = touch.location(in: self.view) - ExampleTouchEvent("move", Int(loc.x*scale), Int(loc.y*scale)) - } - - override func touchesEnded(_ touches: Set, with event: UIEvent?) { - let scale = UIScreen.main.nativeScale - let touch = touches.first! - let loc = touch.location(in: self.view) - ExampleTouchEvent("up", Int(loc.x*scale), Int(loc.y*scale)) - } -} diff --git a/examples/ios/README.md b/examples/ios/README.md deleted file mode 100644 index 4ccd0fe..0000000 --- a/examples/ios/README.md +++ /dev/null @@ -1,7 +0,0 @@ -As of this writing, gomobile does not support go modules. In this case this project can only be compiled while it is in the GOPATH/src directory. - -Run this command: - -gomobile bind -target ios -tags ios - -Then add the resulting Example.framework into the Xcode project, and it should compile and run from there diff --git a/examples/ios/ios.go b/examples/ios/ios.go deleted file mode 100644 index 89b4630..0000000 --- a/examples/ios/ios.go +++ /dev/null @@ -1,39 +0,0 @@ -package example - -import ( - "math" - - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" -) - -var cv *canvas.Canvas -var mx, my float64 - -func TouchEvent(typ string, x, y int) { - mx, my = float64(x), float64(y) -} - -func LoadGL(w, h int) { - backend, err := goglbackend.New(0, 0, w, h, nil) - if err != nil { - panic(err) - } - cv = canvas.New(backend) -} - -func DrawFrame() { - if cv == nil { - return - } - w, h := float64(cv.Width()), float64(cv.Height()) - - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - cv.SetFillStyle("#0F0") - cv.FillRect(w*0.25, h*0.25, w*0.5, h*0.5) - cv.SetLineWidth(6) - sqrSize := math.Min(w, h) * 0.1 - cv.SetStrokeStyle("#F00") - cv.StrokeRect(mx-sqrSize/2, my-sqrSize/2, sqrSize, sqrSize) -} diff --git a/examples/sdl/sdl.go b/examples/sdl/sdl.go deleted file mode 100644 index a1014de..0000000 --- a/examples/sdl/sdl.go +++ /dev/null @@ -1,130 +0,0 @@ -package main - -import ( - "log" - "runtime" - "time" - - "github.com/go-gl/gl/v3.2-core/gl" - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" - "github.com/veandco/go-sdl2/sdl" -) - -func main() { - runtime.LockOSThread() - - // init SDL - err := sdl.Init(sdl.INIT_VIDEO) - if err != nil { - log.Fatalf("Error initializing SDL: %v", err) - } - defer sdl.Quit() - - // the stencil size setting is required for the canvas to work - sdl.GLSetAttribute(sdl.GL_RED_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_GREEN_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_BLUE_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_ALPHA_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_DEPTH_SIZE, 0) - sdl.GLSetAttribute(sdl.GL_STENCIL_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_DOUBLEBUFFER, 1) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLEBUFFERS, 1) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLESAMPLES, 4) - - // create window - const title = "SDL Test" - window, err := sdl.CreateWindow(title, sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, 1280, 720, sdl.WINDOW_RESIZABLE|sdl.WINDOW_OPENGL|sdl.WINDOW_ALLOW_HIGHDPI) - if err != nil { - // fallback in case multisample is not available - sdl.GLSetAttribute(sdl.GL_MULTISAMPLEBUFFERS, 0) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLESAMPLES, 0) - window, err = sdl.CreateWindow(title, sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, 1280, 720, sdl.WINDOW_RESIZABLE|sdl.WINDOW_OPENGL|sdl.WINDOW_ALLOW_HIGHDPI) - if err != nil { - log.Fatalf("Error creating window: %v", err) - } - } - defer window.Destroy() - - // create GL context - glContext, err := window.GLCreateContext() - if err != nil { - log.Fatalf("Error creating GL context: %v", err) - } - - // init GL - err = gl.Init() - if err != nil { - log.Fatalf("Error initializing GL: %v", err) - } - - // enable vsync and multisample (if available) - sdl.GLSetSwapInterval(1) - gl.Enable(gl.MULTISAMPLE) - - // load GL backend - backend, err := goglbackend.New(0, 0, 0, 0, nil) - if err != nil { - log.Fatalf("Error loading canvas GL assets: %v", err) - } - - // initialize canvas with zero size, since size is set in main loop - cv := canvas.New(backend) - - for running := true; running; { - err := window.GLMakeCurrent(glContext) - if err != nil { - time.Sleep(10 * time.Millisecond) - continue - } - - // find window size and scaling - ww, wh := window.GetSize() - fbw, fbh := window.GLGetDrawableSize() - sx := float64(fbw) / float64(ww) - sy := float64(fbh) / float64(wh) - - // handle events - for { - event := sdl.PollEvent() - if event == nil { - break - } - - switch e := event.(type) { - case *sdl.KeyboardEvent: - if e.Type == sdl.KEYDOWN && e.Keysym.Scancode == sdl.SCANCODE_ESCAPE { - running = false - } - case *sdl.MouseMotionEvent: - mx, my = float64(e.X)*sx, float64(e.Y)*sy - case *sdl.QuitEvent: - running = false - case *sdl.WindowEvent: - if e.Type == sdl.WINDOWEVENT_CLOSE { - running = false - } - } - } - - // set canvas size - backend.SetBounds(0, 0, int(fbw), int(fbh)) - - // call the run function to do all the drawing - run(cv, float64(fbw), float64(fbh)) - - // swap back and front buffer - window.GLSwap() - } -} - -var mx, my float64 - -func run(cv *canvas.Canvas, w, h float64) { - cv.SetFillStyle("#000") - cv.FillRect(0, 0, w, h) - cv.SetFillStyle("#0F0") - cv.FillRect(w*0.25, h*0.25, w*0.5, h*0.5) - cv.SetStrokeStyle("#00F") - cv.StrokeRect(mx-32, my-32, 64, 64) -} diff --git a/examples/shiny/shiny.go b/examples/shiny/shiny.go deleted file mode 100644 index 99bd521..0000000 --- a/examples/shiny/shiny.go +++ /dev/null @@ -1,58 +0,0 @@ -package main - -import ( - "log" - - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/xmobilebackend" - "golang.org/x/exp/shiny/driver/gldriver" - "golang.org/x/exp/shiny/screen" - "golang.org/x/exp/shiny/widget" - "golang.org/x/exp/shiny/widget/glwidget" - "golang.org/x/exp/shiny/widget/node" -) - -var cv *canvas.Canvas -var sheet *widget.Sheet - -func main() { - gldriver.Main(func(s screen.Screen) { - glw := glwidget.NewGL(draw) - sheet = widget.NewSheet(glw) - ctx, err := xmobilebackend.NewGLContext(glw.Ctx) - if err != nil { - log.Fatal(err) - } - backend, err := xmobilebackend.New(0, 0, 600, 600, ctx) - if err != nil { - log.Fatal(err) - } - cv = canvas.New(backend) - - err = widget.RunWindow(s, sheet, &widget.RunWindowOptions{ - NewWindowOptions: screen.NewWindowOptions{ - Title: "Shiny Canvas Example", - Width: 600, - Height: 600, - }, - }) - if err != nil { - log.Fatal(err) - } - }) -} - -func draw(w *glwidget.GL) { - cv.Save() - defer cv.Restore() - - cv.Translate(0, 600) - cv.Scale(1, -1) - - cv.ClearRect(0, 0, 600, 600) - cv.SetFillStyle("#FF00FF") - cv.FillRect(100, 100, 200, 200) - - w.Publish() - w.Mark(node.MarkNeedsPaintBase) -} diff --git a/glfwcanvas/glfwcanvas.go b/glfwcanvas/glfwcanvas.go deleted file mode 100644 index 07c73c2..0000000 --- a/glfwcanvas/glfwcanvas.go +++ /dev/null @@ -1,184 +0,0 @@ -package glfwcanvas - -import ( - "fmt" - _ "image/gif" // Imported here so that applications based on this package support these formats by default - _ "image/jpeg" - _ "image/png" - "math" - "runtime" - "time" - - "github.com/go-gl/gl/v3.2-core/gl" - "github.com/go-gl/glfw/v3.3/glfw" - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" -) - -// Window represents the opened window with GL context. The Mouse* and Key* -// functions can be set for callbacks -type Window struct { - Window *glfw.Window - canvas *canvas.Canvas - frameTimes [10]time.Time - frameIndex int - frameCount int - fps float32 - close bool - MouseDown func(button, x, y int) - MouseMove func(x, y int) - MouseUp func(button, x, y int) - MouseWheel func(x, y int) - KeyDown func(scancode int, rn rune, name string) - KeyUp func(scancode int, rn rune, name string) - KeyChar func(rn rune) - SizeChange func(w, h int) -} - -// CreateWindow creates a window using SDL and initializes the OpenGL context -func CreateWindow(w, h int, title string) (*Window, *canvas.Canvas, error) { - runtime.LockOSThread() - - // init GLFW - err := glfw.Init() - if err != nil { - return nil, nil, fmt.Errorf("Error initializing GLFW: %v", err) - } - - // the stencil size setting is required for the canvas to work - glfw.WindowHint(glfw.StencilBits, 8) - glfw.WindowHint(glfw.DepthBits, 0) - - // create window - window, err := glfw.CreateWindow(w, h, title, nil, nil) - if err != nil { - return nil, nil, fmt.Errorf("Error creating window: %v", err) - } - window.MakeContextCurrent() - - // init GL - err = gl.Init() - if err != nil { - return nil, nil, fmt.Errorf("Error initializing GL: %v", err) - } - - // set vsync on, enable multisample (if available) - glfw.SwapInterval(1) - gl.Enable(gl.MULTISAMPLE) - - // load canvas GL backend - fbw, fbh := window.GetFramebufferSize() - backend, err := goglbackend.New(0, 0, fbw, fbh, nil) - if err != nil { - return nil, nil, fmt.Errorf("Error loading GoGL backend: %v", err) - } - - cv := canvas.New(backend) - wnd := &Window{ - Window: window, - canvas: cv, - } - - var mx, my int - - window.SetMouseButtonCallback(func(w *glfw.Window, button glfw.MouseButton, action glfw.Action, mod glfw.ModifierKey) { - if action == glfw.Press && wnd.MouseDown != nil { - wnd.MouseDown(int(button), mx, my) - } else if action == glfw.Release && wnd.MouseUp != nil { - wnd.MouseUp(int(button), mx, my) - } - }) - window.SetCursorPosCallback(func(w *glfw.Window, xpos, ypos float64) { - mx, my = int(math.Round(xpos)), int(math.Round(ypos)) - if wnd.MouseMove != nil { - wnd.MouseMove(mx, my) - } - }) - window.SetScrollCallback(func(w *glfw.Window, xoff, yoff float64) { - if wnd.MouseWheel != nil { - wnd.MouseWheel(int(math.Round(xoff)), int(math.Round(yoff))) - } - }) - window.SetKeyCallback(func(w *glfw.Window, key glfw.Key, scancode int, action glfw.Action, mods glfw.ModifierKey) { - if action == glfw.Press && wnd.KeyDown != nil { - wnd.KeyDown(scancode, keyRune(key), keyName(key)) - } else if action == glfw.Release && wnd.KeyUp != nil { - wnd.KeyUp(scancode, keyRune(key), keyName(key)) - } - }) - window.SetCharCallback(func(w *glfw.Window, char rune) { - if wnd.KeyChar != nil { - wnd.KeyChar(char) - } - }) - window.SetSizeCallback(func(w *glfw.Window, width, height int) { - if wnd.SizeChange != nil { - wnd.SizeChange(width, height) - } else { - fbw, fbh := window.GetFramebufferSize() - backend.SetBounds(0, 0, fbw, fbh) - } - }) - window.SetCloseCallback(func(w *glfw.Window) { - wnd.Close() - }) - - return wnd, cv, nil -} - -// FPS returns the frames per second (averaged over 10 frames) -func (wnd *Window) FPS() float32 { - return wnd.fps -} - -// Close can be used to end a call to MainLoop -func (wnd *Window) Close() { - wnd.close = true -} - -// StartFrame handles events and gets the window ready for rendering -func (wnd *Window) StartFrame() { - wnd.Window.MakeContextCurrent() - glfw.PollEvents() -} - -// FinishFrame updates the FPS count and displays the frame -func (wnd *Window) FinishFrame() { - now := time.Now() - wnd.frameTimes[wnd.frameIndex] = now - wnd.frameIndex++ - wnd.frameIndex %= len(wnd.frameTimes) - if wnd.frameCount < len(wnd.frameTimes) { - wnd.frameCount++ - } else { - diff := now.Sub(wnd.frameTimes[wnd.frameIndex]).Seconds() - wnd.fps = float32(wnd.frameCount-1) / float32(diff) - } - - wnd.Window.SwapBuffers() -} - -// MainLoop runs a main loop and calls run on every frame -func (wnd *Window) MainLoop(run func()) { - for !wnd.close { - wnd.StartFrame() - run() - wnd.FinishFrame() - } -} - -// Size returns the current width and height of the window. -// Note that this size may not be the same as the size of the -// framebuffer, since some operating systems scale the window. -// Use the Width/Height/Size function on Canvas to determine -// the drawing size -func (wnd *Window) Size() (int, int) { - return wnd.Window.GetSize() -} - -// FramebufferSize returns the current width and height of -// the framebuffer, which is also the internal size of the -// canvas -func (wnd *Window) FramebufferSize() (int, int) { - return wnd.Window.GetFramebufferSize() -} diff --git a/glfwcanvas/keynames.go b/glfwcanvas/keynames.go deleted file mode 100644 index fcc0670..0000000 --- a/glfwcanvas/keynames.go +++ /dev/null @@ -1,216 +0,0 @@ -package glfwcanvas - -import "github.com/go-gl/glfw/v3.3/glfw" - -var keyNameMap [347]string -var keyRuneMap [347]rune - -func init() { - keyNameMap[glfw.KeyEscape] = "Escape" - keyNameMap[glfw.Key0] = "Digit0" - keyNameMap[glfw.Key1] = "Digit1" - keyNameMap[glfw.Key2] = "Digit2" - keyNameMap[glfw.Key3] = "Digit3" - keyNameMap[glfw.Key4] = "Digit4" - keyNameMap[glfw.Key5] = "Digit5" - keyNameMap[glfw.Key6] = "Digit6" - keyNameMap[glfw.Key7] = "Digit7" - keyNameMap[glfw.Key8] = "Digit8" - keyNameMap[glfw.Key9] = "Digit9" - keyNameMap[glfw.KeyMinus] = "Minus" - keyNameMap[glfw.KeyEqual] = "Equal" - keyNameMap[glfw.KeyBackspace] = "Backspace" - keyNameMap[glfw.KeyTab] = "Tab" - keyNameMap[glfw.KeyQ] = "KeyQ" - keyNameMap[glfw.KeyW] = "KeyW" - keyNameMap[glfw.KeyE] = "KeyE" - keyNameMap[glfw.KeyR] = "KeyR" - keyNameMap[glfw.KeyT] = "KeyT" - keyNameMap[glfw.KeyY] = "KeyY" - keyNameMap[glfw.KeyU] = "KeyU" - keyNameMap[glfw.KeyI] = "KeyI" - keyNameMap[glfw.KeyO] = "KeyO" - keyNameMap[glfw.KeyP] = "KeyP" - keyNameMap[glfw.KeyLeftBracket] = "BracketLeft" - keyNameMap[glfw.KeyRightBracket] = "BracketRight" - keyNameMap[glfw.KeyEnter] = "Enter" - keyNameMap[glfw.KeyLeftControl] = "ControlLeft" - keyNameMap[glfw.KeyA] = "KeyA" - keyNameMap[glfw.KeyS] = "KeyS" - keyNameMap[glfw.KeyD] = "KeyD" - keyNameMap[glfw.KeyF] = "KeyF" - keyNameMap[glfw.KeyG] = "KeyG" - keyNameMap[glfw.KeyH] = "KeyH" - keyNameMap[glfw.KeyJ] = "KeyJ" - keyNameMap[glfw.KeyK] = "KeyK" - keyNameMap[glfw.KeyL] = "KeyL" - keyNameMap[glfw.KeySemicolon] = "Semicolon" - keyNameMap[glfw.KeyApostrophe] = "Quote" - keyNameMap[glfw.KeyGraveAccent] = "Backquote" - keyNameMap[glfw.KeyLeftShift] = "ShiftLeft" - keyNameMap[glfw.KeyBackslash] = "Backslash" - keyNameMap[glfw.KeyZ] = "KeyZ" - keyNameMap[glfw.KeyX] = "KeyX" - keyNameMap[glfw.KeyC] = "KeyC" - keyNameMap[glfw.KeyV] = "KeyV" - keyNameMap[glfw.KeyB] = "KeyB" - keyNameMap[glfw.KeyN] = "KeyN" - keyNameMap[glfw.KeyM] = "KeyM" - keyNameMap[glfw.KeyComma] = "Comma" - keyNameMap[glfw.KeyPeriod] = "Period" - keyNameMap[glfw.KeySlash] = "Slash" - keyNameMap[glfw.KeyRightShift] = "ShiftRight" - keyNameMap[glfw.KeyKPMultiply] = "NumpadMultiply" - keyNameMap[glfw.KeyLeftAlt] = "AltLeft" - keyNameMap[glfw.KeySpace] = "Space" - keyNameMap[glfw.KeyCapsLock] = "CapsLock" - keyNameMap[glfw.KeyF1] = "F1" - keyNameMap[glfw.KeyF2] = "F2" - keyNameMap[glfw.KeyF3] = "F3" - keyNameMap[glfw.KeyF4] = "F4" - keyNameMap[glfw.KeyF5] = "F5" - keyNameMap[glfw.KeyF6] = "F6" - keyNameMap[glfw.KeyF7] = "F7" - keyNameMap[glfw.KeyF8] = "F8" - keyNameMap[glfw.KeyF9] = "F9" - keyNameMap[glfw.KeyF10] = "F10" - keyNameMap[glfw.KeyPause] = "Pause" - keyNameMap[glfw.KeyScrollLock] = "ScrollLock" - keyNameMap[glfw.KeyKP7] = "Numpad7" - keyNameMap[glfw.KeyKP8] = "Numpad8" - keyNameMap[glfw.KeyKP9] = "Numpad9" - keyNameMap[glfw.KeyKPSubtract] = "NumpadSubtract" - keyNameMap[glfw.KeyKP4] = "Numpad4" - keyNameMap[glfw.KeyKP5] = "Numpad5" - keyNameMap[glfw.KeyKP6] = "Numpad6" - keyNameMap[glfw.KeyKPAdd] = "NumpadAdd" - keyNameMap[glfw.KeyKP1] = "Numpad1" - keyNameMap[glfw.KeyKP2] = "Numpad2" - keyNameMap[glfw.KeyKP3] = "Numpad3" - keyNameMap[glfw.KeyKP0] = "Numpad0" - keyNameMap[glfw.KeyKPDecimal] = "NumpadDecimal" - keyNameMap[glfw.KeyPrintScreen] = "PrintScreen" - // keyNameMap[glfw.KeyNonUSBackslash] = "IntlBackslash" - keyNameMap[glfw.KeyF11] = "F11" - keyNameMap[glfw.KeyF12] = "F12" - keyNameMap[glfw.KeyKPEqual] = "NumpadEqual" - keyNameMap[glfw.KeyF13] = "F13" - keyNameMap[glfw.KeyF14] = "F14" - keyNameMap[glfw.KeyF15] = "F15" - keyNameMap[glfw.KeyF16] = "F16" - keyNameMap[glfw.KeyF17] = "F17" - keyNameMap[glfw.KeyF18] = "F18" - keyNameMap[glfw.KeyF19] = "F19" - // keyNameMap[glfw.KeyUndo] = "Undo" - // keyNameMap[glfw.KeyPaste] = "Paste" - // keyNameMap[glfw.KeyAudioNext] = "MediaTrackPrevious" - // keyNameMap[glfw.KeyCut] = "Cut" - // keyNameMap[glfw.KeyCopy] = "Copy" - // keyNameMap[glfw.KeyAudioNext] = "MediaTrackNext" - keyNameMap[glfw.KeyKPEnter] = "NumpadEnter" - keyNameMap[glfw.KeyRightControl] = "ControlRight" - // keyNameMap[glfw.KeyMute] = "AudioVolumeMute" - // keyNameMap[glfw.KeyAudioPlay] = "MediaPlayPause" - // keyNameMap[glfw.KeyAudioStop] = "MediaStop" - // keyNameMap[glfw.KeyVolumeDown] = "AudioVolumeDown" - // keyNameMap[glfw.KeyVolumeUp] = "AudioVolumeUp" - keyNameMap[glfw.KeyKPDivide] = "NumpadDivide" - keyNameMap[glfw.KeyRightAlt] = "AltRight" - // keyNameMap[glfw.KeyHelp] = "Help" - keyNameMap[glfw.KeyHome] = "Home" - keyNameMap[glfw.KeyUp] = "ArrowUp" - keyNameMap[glfw.KeyPageUp] = "PageUp" - keyNameMap[glfw.KeyLeft] = "ArrowLeft" - keyNameMap[glfw.KeyRight] = "ArrowRight" - keyNameMap[glfw.KeyEnd] = "End" - keyNameMap[glfw.KeyDown] = "ArrowDown" - keyNameMap[glfw.KeyInsert] = "Insert" - keyNameMap[glfw.KeyDelete] = "Delete" - // keyNameMap[glfw.KeyApplication] = "ContextMenu" - - keyRuneMap[glfw.Key0] = '0' - keyRuneMap[glfw.Key1] = '1' - keyRuneMap[glfw.Key2] = '2' - keyRuneMap[glfw.Key3] = '3' - keyRuneMap[glfw.Key4] = '4' - keyRuneMap[glfw.Key5] = '5' - keyRuneMap[glfw.Key6] = '6' - keyRuneMap[glfw.Key7] = '7' - keyRuneMap[glfw.Key8] = '8' - keyRuneMap[glfw.Key9] = '9' - keyRuneMap[glfw.KeyMinus] = '-' - keyRuneMap[glfw.KeyEqual] = '=' - keyRuneMap[glfw.KeyTab] = '\t' - keyRuneMap[glfw.KeyQ] = 'Q' - keyRuneMap[glfw.KeyW] = 'W' - keyRuneMap[glfw.KeyE] = 'E' - keyRuneMap[glfw.KeyR] = 'R' - keyRuneMap[glfw.KeyT] = 'T' - keyRuneMap[glfw.KeyY] = 'Y' - keyRuneMap[glfw.KeyU] = 'U' - keyRuneMap[glfw.KeyI] = 'I' - keyRuneMap[glfw.KeyO] = 'O' - keyRuneMap[glfw.KeyP] = 'P' - keyRuneMap[glfw.KeyLeftBracket] = '[' - keyRuneMap[glfw.KeyRightBracket] = ']' - keyRuneMap[glfw.KeyEnter] = '\n' - keyRuneMap[glfw.KeyA] = 'A' - keyRuneMap[glfw.KeyS] = 'S' - keyRuneMap[glfw.KeyD] = 'D' - keyRuneMap[glfw.KeyF] = 'F' - keyRuneMap[glfw.KeyG] = 'G' - keyRuneMap[glfw.KeyH] = 'H' - keyRuneMap[glfw.KeyJ] = 'J' - keyRuneMap[glfw.KeyK] = 'K' - keyRuneMap[glfw.KeyL] = 'L' - keyRuneMap[glfw.KeySemicolon] = ';' - keyRuneMap[glfw.KeyApostrophe] = '\'' - keyRuneMap[glfw.KeyGraveAccent] = '`' - keyRuneMap[glfw.KeyBackslash] = '\\' - keyRuneMap[glfw.KeyZ] = 'Z' - keyRuneMap[glfw.KeyX] = 'X' - keyRuneMap[glfw.KeyC] = 'C' - keyRuneMap[glfw.KeyV] = 'V' - keyRuneMap[glfw.KeyB] = 'B' - keyRuneMap[glfw.KeyN] = 'N' - keyRuneMap[glfw.KeyM] = 'M' - keyRuneMap[glfw.KeyComma] = ',' - keyRuneMap[glfw.KeyPeriod] = '.' - keyRuneMap[glfw.KeySlash] = '/' - keyRuneMap[glfw.KeyKPMultiply] = '*' - keyRuneMap[glfw.KeySpace] = ' ' - keyRuneMap[glfw.KeyKP7] = '7' - keyRuneMap[glfw.KeyKP8] = '8' - keyRuneMap[glfw.KeyKP9] = '9' - keyRuneMap[glfw.KeyKPSubtract] = '-' - keyRuneMap[glfw.KeyKP4] = '4' - keyRuneMap[glfw.KeyKP5] = '5' - keyRuneMap[glfw.KeyKP6] = '6' - keyRuneMap[glfw.KeyKPAdd] = '+' - keyRuneMap[glfw.KeyKP1] = '1' - keyRuneMap[glfw.KeyKP2] = '2' - keyRuneMap[glfw.KeyKP3] = '3' - keyRuneMap[glfw.KeyKP0] = '0' - keyRuneMap[glfw.KeyKPDecimal] = '.' - keyRuneMap[glfw.KeyKPEqual] = '=' - keyRuneMap[glfw.KeyKPEnter] = '\n' - keyRuneMap[glfw.KeyKPDivide] = '/' -} - -func keyName(key glfw.Key) string { - if int(key) >= len(keyNameMap) { - return "Unidentified" - } - name := keyNameMap[key] - if name == "" { - return "Unidentified" - } - return name -} - -func keyRune(key glfw.Key) rune { - if int(key) >= len(keyNameMap) { - return 0 - } - return keyRuneMap[key] -} diff --git a/sdlcanvas/keynames.go b/sdlcanvas/keynames.go deleted file mode 100644 index 348a7df..0000000 --- a/sdlcanvas/keynames.go +++ /dev/null @@ -1,216 +0,0 @@ -package sdlcanvas - -import "github.com/veandco/go-sdl2/sdl" - -var keyNameMap [262]string -var keyRuneMap [262]rune - -func init() { - keyNameMap[sdl.SCANCODE_ESCAPE] = "Escape" - keyNameMap[sdl.SCANCODE_0] = "Digit0" - keyNameMap[sdl.SCANCODE_1] = "Digit1" - keyNameMap[sdl.SCANCODE_2] = "Digit2" - keyNameMap[sdl.SCANCODE_3] = "Digit3" - keyNameMap[sdl.SCANCODE_4] = "Digit4" - keyNameMap[sdl.SCANCODE_5] = "Digit5" - keyNameMap[sdl.SCANCODE_6] = "Digit6" - keyNameMap[sdl.SCANCODE_7] = "Digit7" - keyNameMap[sdl.SCANCODE_8] = "Digit8" - keyNameMap[sdl.SCANCODE_9] = "Digit9" - keyNameMap[sdl.SCANCODE_MINUS] = "Minus" - keyNameMap[sdl.SCANCODE_EQUALS] = "Equal" - keyNameMap[sdl.SCANCODE_BACKSPACE] = "Backspace" - keyNameMap[sdl.SCANCODE_TAB] = "Tab" - keyNameMap[sdl.SCANCODE_Q] = "KeyQ" - keyNameMap[sdl.SCANCODE_W] = "KeyW" - keyNameMap[sdl.SCANCODE_E] = "KeyE" - keyNameMap[sdl.SCANCODE_R] = "KeyR" - keyNameMap[sdl.SCANCODE_T] = "KeyT" - keyNameMap[sdl.SCANCODE_Y] = "KeyY" - keyNameMap[sdl.SCANCODE_U] = "KeyU" - keyNameMap[sdl.SCANCODE_I] = "KeyI" - keyNameMap[sdl.SCANCODE_O] = "KeyO" - keyNameMap[sdl.SCANCODE_P] = "KeyP" - keyNameMap[sdl.SCANCODE_LEFTBRACKET] = "BracketLeft" - keyNameMap[sdl.SCANCODE_RIGHTBRACKET] = "BracketRight" - keyNameMap[sdl.SCANCODE_RETURN] = "Enter" - keyNameMap[sdl.SCANCODE_LCTRL] = "ControlLeft" - keyNameMap[sdl.SCANCODE_A] = "KeyA" - keyNameMap[sdl.SCANCODE_S] = "KeyS" - keyNameMap[sdl.SCANCODE_D] = "KeyD" - keyNameMap[sdl.SCANCODE_F] = "KeyF" - keyNameMap[sdl.SCANCODE_G] = "KeyG" - keyNameMap[sdl.SCANCODE_H] = "KeyH" - keyNameMap[sdl.SCANCODE_J] = "KeyJ" - keyNameMap[sdl.SCANCODE_K] = "KeyK" - keyNameMap[sdl.SCANCODE_L] = "KeyL" - keyNameMap[sdl.SCANCODE_SEMICOLON] = "Semicolon" - keyNameMap[sdl.SCANCODE_APOSTROPHE] = "Quote" - keyNameMap[sdl.SCANCODE_GRAVE] = "Backquote" - keyNameMap[sdl.SCANCODE_LSHIFT] = "ShiftLeft" - keyNameMap[sdl.SCANCODE_BACKSLASH] = "Backslash" - keyNameMap[sdl.SCANCODE_Z] = "KeyZ" - keyNameMap[sdl.SCANCODE_X] = "KeyX" - keyNameMap[sdl.SCANCODE_C] = "KeyC" - keyNameMap[sdl.SCANCODE_V] = "KeyV" - keyNameMap[sdl.SCANCODE_B] = "KeyB" - keyNameMap[sdl.SCANCODE_N] = "KeyN" - keyNameMap[sdl.SCANCODE_M] = "KeyM" - keyNameMap[sdl.SCANCODE_COMMA] = "Comma" - keyNameMap[sdl.SCANCODE_PERIOD] = "Period" - keyNameMap[sdl.SCANCODE_SLASH] = "Slash" - keyNameMap[sdl.SCANCODE_RSHIFT] = "ShiftRight" - keyNameMap[sdl.SCANCODE_KP_MULTIPLY] = "NumpadMultiply" - keyNameMap[sdl.SCANCODE_LALT] = "AltLeft" - keyNameMap[sdl.SCANCODE_SPACE] = "Space" - keyNameMap[sdl.SCANCODE_CAPSLOCK] = "CapsLock" - keyNameMap[sdl.SCANCODE_F1] = "F1" - keyNameMap[sdl.SCANCODE_F2] = "F2" - keyNameMap[sdl.SCANCODE_F3] = "F3" - keyNameMap[sdl.SCANCODE_F4] = "F4" - keyNameMap[sdl.SCANCODE_F5] = "F5" - keyNameMap[sdl.SCANCODE_F6] = "F6" - keyNameMap[sdl.SCANCODE_F7] = "F7" - keyNameMap[sdl.SCANCODE_F8] = "F8" - keyNameMap[sdl.SCANCODE_F9] = "F9" - keyNameMap[sdl.SCANCODE_F10] = "F10" - keyNameMap[sdl.SCANCODE_PAUSE] = "Pause" - keyNameMap[sdl.SCANCODE_SCROLLLOCK] = "ScrollLock" - keyNameMap[sdl.SCANCODE_KP_7] = "Numpad7" - keyNameMap[sdl.SCANCODE_KP_8] = "Numpad8" - keyNameMap[sdl.SCANCODE_KP_9] = "Numpad9" - keyNameMap[sdl.SCANCODE_KP_MINUS] = "NumpadSubtract" - keyNameMap[sdl.SCANCODE_KP_4] = "Numpad4" - keyNameMap[sdl.SCANCODE_KP_5] = "Numpad5" - keyNameMap[sdl.SCANCODE_KP_6] = "Numpad6" - keyNameMap[sdl.SCANCODE_KP_PLUS] = "NumpadAdd" - keyNameMap[sdl.SCANCODE_KP_1] = "Numpad1" - keyNameMap[sdl.SCANCODE_KP_2] = "Numpad2" - keyNameMap[sdl.SCANCODE_KP_3] = "Numpad3" - keyNameMap[sdl.SCANCODE_KP_0] = "Numpad0" - keyNameMap[sdl.SCANCODE_KP_DECIMAL] = "NumpadDecimal" - keyNameMap[sdl.SCANCODE_PRINTSCREEN] = "PrintScreen" - keyNameMap[sdl.SCANCODE_NONUSBACKSLASH] = "IntlBackslash" - keyNameMap[sdl.SCANCODE_F11] = "F11" - keyNameMap[sdl.SCANCODE_F12] = "F12" - keyNameMap[sdl.SCANCODE_KP_EQUALS] = "NumpadEqual" - keyNameMap[sdl.SCANCODE_F13] = "F13" - keyNameMap[sdl.SCANCODE_F14] = "F14" - keyNameMap[sdl.SCANCODE_F15] = "F15" - keyNameMap[sdl.SCANCODE_F16] = "F16" - keyNameMap[sdl.SCANCODE_F17] = "F17" - keyNameMap[sdl.SCANCODE_F18] = "F18" - keyNameMap[sdl.SCANCODE_F19] = "F19" - keyNameMap[sdl.SCANCODE_UNDO] = "Undo" - keyNameMap[sdl.SCANCODE_PASTE] = "Paste" - keyNameMap[sdl.SCANCODE_AUDIOPREV] = "MediaTrackPrevious" - keyNameMap[sdl.SCANCODE_CUT] = "Cut" - keyNameMap[sdl.SCANCODE_COPY] = "Copy" - keyNameMap[sdl.SCANCODE_AUDIONEXT] = "MediaTrackNext" - keyNameMap[sdl.SCANCODE_KP_ENTER] = "NumpadEnter" - keyNameMap[sdl.SCANCODE_RCTRL] = "ControlRight" - keyNameMap[sdl.SCANCODE_MUTE] = "AudioVolumeMute" - keyNameMap[sdl.SCANCODE_AUDIOPLAY] = "MediaPlayPause" - keyNameMap[sdl.SCANCODE_AUDIOSTOP] = "MediaStop" - keyNameMap[sdl.SCANCODE_VOLUMEDOWN] = "AudioVolumeDown" - keyNameMap[sdl.SCANCODE_VOLUMEUP] = "AudioVolumeUp" - keyNameMap[sdl.SCANCODE_KP_DIVIDE] = "NumpadDivide" - keyNameMap[sdl.SCANCODE_RALT] = "AltRight" - keyNameMap[sdl.SCANCODE_HELP] = "Help" - keyNameMap[sdl.SCANCODE_HOME] = "Home" - keyNameMap[sdl.SCANCODE_UP] = "ArrowUp" - keyNameMap[sdl.SCANCODE_PAGEUP] = "PageUp" - keyNameMap[sdl.SCANCODE_LEFT] = "ArrowLeft" - keyNameMap[sdl.SCANCODE_RIGHT] = "ArrowRight" - keyNameMap[sdl.SCANCODE_END] = "End" - keyNameMap[sdl.SCANCODE_DOWN] = "ArrowDown" - keyNameMap[sdl.SCANCODE_INSERT] = "Insert" - keyNameMap[sdl.SCANCODE_DELETE] = "Delete" - keyNameMap[sdl.SCANCODE_APPLICATION] = "ContextMenu" - - keyRuneMap[sdl.SCANCODE_0] = '0' - keyRuneMap[sdl.SCANCODE_1] = '1' - keyRuneMap[sdl.SCANCODE_2] = '2' - keyRuneMap[sdl.SCANCODE_3] = '3' - keyRuneMap[sdl.SCANCODE_4] = '4' - keyRuneMap[sdl.SCANCODE_5] = '5' - keyRuneMap[sdl.SCANCODE_6] = '6' - keyRuneMap[sdl.SCANCODE_7] = '7' - keyRuneMap[sdl.SCANCODE_8] = '8' - keyRuneMap[sdl.SCANCODE_9] = '9' - keyRuneMap[sdl.SCANCODE_MINUS] = '-' - keyRuneMap[sdl.SCANCODE_EQUALS] = '=' - keyRuneMap[sdl.SCANCODE_TAB] = '\t' - keyRuneMap[sdl.SCANCODE_Q] = 'Q' - keyRuneMap[sdl.SCANCODE_W] = 'W' - keyRuneMap[sdl.SCANCODE_E] = 'E' - keyRuneMap[sdl.SCANCODE_R] = 'R' - keyRuneMap[sdl.SCANCODE_T] = 'T' - keyRuneMap[sdl.SCANCODE_Y] = 'Y' - keyRuneMap[sdl.SCANCODE_U] = 'U' - keyRuneMap[sdl.SCANCODE_I] = 'I' - keyRuneMap[sdl.SCANCODE_O] = 'O' - keyRuneMap[sdl.SCANCODE_P] = 'P' - keyRuneMap[sdl.SCANCODE_LEFTBRACKET] = '[' - keyRuneMap[sdl.SCANCODE_RIGHTBRACKET] = ']' - keyRuneMap[sdl.SCANCODE_RETURN] = '\n' - keyRuneMap[sdl.SCANCODE_A] = 'A' - keyRuneMap[sdl.SCANCODE_S] = 'S' - keyRuneMap[sdl.SCANCODE_D] = 'D' - keyRuneMap[sdl.SCANCODE_F] = 'F' - keyRuneMap[sdl.SCANCODE_G] = 'G' - keyRuneMap[sdl.SCANCODE_H] = 'H' - keyRuneMap[sdl.SCANCODE_J] = 'J' - keyRuneMap[sdl.SCANCODE_K] = 'K' - keyRuneMap[sdl.SCANCODE_L] = 'L' - keyRuneMap[sdl.SCANCODE_SEMICOLON] = ';' - keyRuneMap[sdl.SCANCODE_APOSTROPHE] = '\'' - keyRuneMap[sdl.SCANCODE_GRAVE] = '`' - keyRuneMap[sdl.SCANCODE_BACKSLASH] = '\\' - keyRuneMap[sdl.SCANCODE_Z] = 'Z' - keyRuneMap[sdl.SCANCODE_X] = 'X' - keyRuneMap[sdl.SCANCODE_C] = 'C' - keyRuneMap[sdl.SCANCODE_V] = 'V' - keyRuneMap[sdl.SCANCODE_B] = 'B' - keyRuneMap[sdl.SCANCODE_N] = 'N' - keyRuneMap[sdl.SCANCODE_M] = 'M' - keyRuneMap[sdl.SCANCODE_COMMA] = ',' - keyRuneMap[sdl.SCANCODE_PERIOD] = '.' - keyRuneMap[sdl.SCANCODE_SLASH] = '/' - keyRuneMap[sdl.SCANCODE_KP_MULTIPLY] = '*' - keyRuneMap[sdl.SCANCODE_SPACE] = ' ' - keyRuneMap[sdl.SCANCODE_KP_7] = '7' - keyRuneMap[sdl.SCANCODE_KP_8] = '8' - keyRuneMap[sdl.SCANCODE_KP_9] = '9' - keyRuneMap[sdl.SCANCODE_KP_MINUS] = '-' - keyRuneMap[sdl.SCANCODE_KP_4] = '4' - keyRuneMap[sdl.SCANCODE_KP_5] = '5' - keyRuneMap[sdl.SCANCODE_KP_6] = '6' - keyRuneMap[sdl.SCANCODE_KP_PLUS] = '+' - keyRuneMap[sdl.SCANCODE_KP_1] = '1' - keyRuneMap[sdl.SCANCODE_KP_2] = '2' - keyRuneMap[sdl.SCANCODE_KP_3] = '3' - keyRuneMap[sdl.SCANCODE_KP_0] = '0' - keyRuneMap[sdl.SCANCODE_KP_DECIMAL] = '.' - keyRuneMap[sdl.SCANCODE_KP_EQUALS] = '=' - keyRuneMap[sdl.SCANCODE_KP_ENTER] = '\n' - keyRuneMap[sdl.SCANCODE_KP_DIVIDE] = '/' -} - -func keyName(s sdl.Scancode) string { - if int(s) >= len(keyNameMap) { - return "Unidentified" - } - name := keyNameMap[s] - if name == "" { - return "Unidentified" - } - return name -} - -func keyRune(s sdl.Scancode) rune { - if int(s) >= len(keyNameMap) { - return 0 - } - return keyRuneMap[s] -} diff --git a/sdlcanvas/sdlcanvas.go b/sdlcanvas/sdlcanvas.go deleted file mode 100644 index d67d26e..0000000 --- a/sdlcanvas/sdlcanvas.go +++ /dev/null @@ -1,275 +0,0 @@ -package sdlcanvas - -import ( - "fmt" - _ "image/gif" // Imported here so that applications based on this package support these formats by default - _ "image/jpeg" - _ "image/png" - "runtime" - "time" - "unicode/utf8" - - "github.com/go-gl/gl/v3.2-core/gl" - "github.com/tfriedel6/canvas" - "github.com/tfriedel6/canvas/backend/goglbackend" - "github.com/veandco/go-sdl2/sdl" -) - -// Window represents the opened window with GL context. The Mouse* and Key* -// functions can be set for callbacks -type Window struct { - Window *sdl.Window - WindowID uint32 - GLContext sdl.GLContext - Backend *goglbackend.GoGLBackend - canvas *canvas.Canvas - frameTimes [10]time.Time - frameIndex int - frameCount int - fps float32 - close bool - events []sdl.Event - Event func(event sdl.Event) - MouseDown func(button, x, y int) - MouseMove func(x, y int) - MouseUp func(button, x, y int) - MouseWheel func(x, y int) - KeyDown func(scancode int, rn rune, name string) - KeyUp func(scancode int, rn rune, name string) - KeyChar func(rn rune) - SizeChange func(w, h int) -} - -// CreateWindow creates a window using SDL and initializes the OpenGL context -func CreateWindow(w, h int, title string) (*Window, *canvas.Canvas, error) { - runtime.LockOSThread() - - // init SDL - err := sdl.Init(sdl.INIT_VIDEO) - if err != nil { - return nil, nil, fmt.Errorf("Error initializing SDL: %v", err) - } - - sdl.GLSetAttribute(sdl.GL_RED_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_GREEN_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_BLUE_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_ALPHA_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_DEPTH_SIZE, 0) - sdl.GLSetAttribute(sdl.GL_STENCIL_SIZE, 8) - sdl.GLSetAttribute(sdl.GL_DOUBLEBUFFER, 1) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLEBUFFERS, 1) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLESAMPLES, 4) - - // create window - window, err := sdl.CreateWindow(title, sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, int32(w), int32(h), sdl.WINDOW_RESIZABLE|sdl.WINDOW_OPENGL|sdl.WINDOW_ALLOW_HIGHDPI) - if err != nil { - sdl.GLSetAttribute(sdl.GL_MULTISAMPLEBUFFERS, 0) - sdl.GLSetAttribute(sdl.GL_MULTISAMPLESAMPLES, 0) - window, err = sdl.CreateWindow(title, sdl.WINDOWPOS_CENTERED, sdl.WINDOWPOS_CENTERED, int32(w), int32(h), sdl.WINDOW_RESIZABLE|sdl.WINDOW_OPENGL|sdl.WINDOW_ALLOW_HIGHDPI) - if err != nil { - return nil, nil, fmt.Errorf("Error creating window: %v", err) - } - } - windowID, err := window.GetID() - if err != nil { - return nil, nil, fmt.Errorf("Error getting window ID: %v", err) - } - - // create GL context - glContext, err := window.GLCreateContext() - if err != nil { - return nil, nil, fmt.Errorf("Error creating GL context: %v", err) - } - - // init GL - err = gl.Init() - if err != nil { - return nil, nil, fmt.Errorf("Error initializing GL: %v", err) - } - - // load canvas GL backend - fbw, fbh := window.GLGetDrawableSize() - backend, err := goglbackend.New(0, 0, int(fbw), int(fbh), nil) - if err != nil { - return nil, nil, fmt.Errorf("Error loading GoGL backend: %v", err) - } - - sdl.GLSetSwapInterval(1) - gl.Enable(gl.MULTISAMPLE) - - cv := canvas.New(backend) - wnd := &Window{ - Window: window, - WindowID: windowID, - GLContext: glContext, - Backend: backend, - canvas: cv, - events: make([]sdl.Event, 0, 100), - } - - return wnd, cv, nil -} - -// Destroy destroys the GL context and the window -func (wnd *Window) Destroy() { - sdl.GLDeleteContext(wnd.GLContext) - wnd.Window.Destroy() -} - -// FPS returns the frames per second (averaged over 10 frames) -func (wnd *Window) FPS() float32 { - return wnd.fps -} - -// Close can be used to end a call to MainLoop -func (wnd *Window) Close() { - wnd.close = true -} - -// StartFrame handles events and gets the window ready for rendering -func (wnd *Window) StartFrame() error { - err := wnd.Window.GLMakeCurrent(wnd.GLContext) - if err != nil { - return err - } - - wnd.events = wnd.events[:0] - for { - event := sdl.PollEvent() - if event == nil { - break - } - - handled := false - switch e := event.(type) { - case *sdl.MouseButtonEvent: - if e.Type == sdl.MOUSEBUTTONDOWN { - if wnd.MouseDown != nil { - wnd.MouseDown(int(e.Button), int(e.X), int(e.Y)) - handled = true - } - } else if e.Type == sdl.MOUSEBUTTONUP { - if wnd.MouseUp != nil { - wnd.MouseUp(int(e.Button), int(e.X), int(e.Y)) - handled = true - } - } - case *sdl.MouseMotionEvent: - if wnd.MouseMove != nil { - wnd.MouseMove(int(e.X), int(e.Y)) - handled = true - } - case *sdl.MouseWheelEvent: - if wnd.MouseWheel != nil { - wnd.MouseWheel(int(e.X), int(e.Y)) - handled = true - } - case *sdl.KeyboardEvent: - if e.Type == sdl.KEYDOWN { - if wnd.KeyDown != nil { - wnd.KeyDown(int(e.Keysym.Scancode), keyRune(e.Keysym.Scancode), keyName(e.Keysym.Scancode)) - handled = true - } - } else if e.Type == sdl.KEYUP { - if wnd.KeyUp != nil { - wnd.KeyUp(int(e.Keysym.Scancode), keyRune(e.Keysym.Scancode), keyName(e.Keysym.Scancode)) - handled = true - } - } - case *sdl.TextInputEvent: - if wnd.KeyChar != nil { - rn, _ := utf8.DecodeRune(e.Text[:]) - wnd.KeyChar(rn) - handled = true - } - case *sdl.WindowEvent: - if e.WindowID == wnd.WindowID { - if e.Event == sdl.WINDOWEVENT_SIZE_CHANGED { - fbw, fbh := wnd.Window.GLGetDrawableSize() - if wnd.SizeChange != nil { - wnd.SizeChange(int(e.Data1), int(e.Data2)) - handled = true - } else { - wnd.Backend.SetBounds(0, 0, int(fbw), int(fbh)) - } - } - } - } - - if !handled && wnd.Event != nil { - wnd.Event(event) - handled = true - } - - if !handled { - wnd.events = append(wnd.events, event) - } - } - - return nil -} - -// FinishFrame updates the FPS count and displays the frame -func (wnd *Window) FinishFrame() { - now := time.Now() - wnd.frameTimes[wnd.frameIndex] = now - wnd.frameIndex++ - wnd.frameIndex %= len(wnd.frameTimes) - if wnd.frameCount < len(wnd.frameTimes) { - wnd.frameCount++ - } else { - diff := now.Sub(wnd.frameTimes[wnd.frameIndex]).Seconds() - wnd.fps = float32(wnd.frameCount-1) / float32(diff) - } - - wnd.Window.GLSwap() -} - -// MainLoop runs a main loop and calls run on every frame -func (wnd *Window) MainLoop(run func()) { - // main loop - for !wnd.close { - err := wnd.StartFrame() - if err != nil { - time.Sleep(10 * time.Millisecond) - continue - } - - for _, event := range wnd.events { - switch e := event.(type) { - case *sdl.WindowEvent: - if e.Event == sdl.WINDOWEVENT_CLOSE { - wnd.close = true - } - case *sdl.QuitEvent: - wnd.close = true - case *sdl.KeyboardEvent: - if e.Type == sdl.KEYDOWN && e.Keysym.Scancode == sdl.SCANCODE_ESCAPE { - wnd.close = true - } - } - } - - run() - - wnd.FinishFrame() - } -} - -// Size returns the current width and height of the window. -// Note that this size may not be the same as the size of the -// framebuffer, since some operating systems scale the window. -// Use the Width/Height/Size function on Canvas to determine -// the drawing size -func (wnd *Window) Size() (int, int) { - w, h := wnd.Window.GetSize() - return int(w), int(h) -} - -// FramebufferSize returns the current width and height of -// the framebuffer, which is also the internal size of the -// canvas -func (wnd *Window) FramebufferSize() (int, int) { - w, h := wnd.Window.GLGetDrawableSize() - return int(w), int(h) -}