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canvas activate bugfix

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This commit is contained in:
Thomas Friedel 2019-04-24 17:10:31 +02:00
parent b2568a0205
commit 1f6301a2f9
2 changed files with 12 additions and 20 deletions
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16
backend/gogl/gogl.go
View file

@ -274,24 +274,22 @@ func NewOffscreen(w, h int, alpha bool, ctx *GLContext) (*GoGLBackendOffscreen,
if err != nil {
return nil, err
}
bo := &GoGLBackendOffscreen{}
bo := &GoGLBackendOffscreen{GoGLBackend: *b}
bo.offscrBuf.alpha = alpha
bo.offscrImg.flip = true
b.activateFn = func() {
b.enableTextureRenderTarget(&bo.offscrBuf)
gl.Viewport(0, 0, int32(bo.GoGLBackend.w), int32(bo.GoGLBackend.h))
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
}
b.disableTextureRenderTarget = func() {
b.enableTextureRenderTarget(&bo.offscrBuf)
bo.disableTextureRenderTarget = func() {
bo.enableTextureRenderTarget(&bo.offscrBuf)
}
bo.GoGLBackend = *b
return bo, nil
}
@ -311,7 +309,6 @@ func (b *GoGLBackend) SetBounds(x, y, w, h int) {
// SetSize updates the size of the offscreen texture
func (b *GoGLBackendOffscreen) SetSize(w, h int) {
b.GoGLBackend.SetBounds(0, 0, w, h)
b.enableTextureRenderTarget(&b.offscrBuf)
b.offscrImg.w = b.offscrBuf.w
b.offscrImg.h = b.offscrBuf.h
}
@ -333,7 +330,6 @@ func glError() error {
// Activate only needs to be called if there is other
// code also using the GL state
func (b *GoGLBackend) Activate() {
activeContext = nil
b.activate()
}

16
backend/xmobile/xmobile.go
View file

@ -267,24 +267,22 @@ func NewOffscreen(w, h int, alpha bool, ctx *GLContext) (*XMobileBackendOffscree
if err != nil {
return nil, err
}
bo := &XMobileBackendOffscreen{}
bo := &XMobileBackendOffscreen{XMobileBackend: *b}
bo.offscrBuf.alpha = alpha
bo.offscrImg.flip = true
b.activateFn = func() {
b.enableTextureRenderTarget(&bo.offscrBuf)
b.glctx.Viewport(0, 0, bo.XMobileBackend.w, bo.XMobileBackend.h)
bo.activateFn = func() {
bo.enableTextureRenderTarget(&bo.offscrBuf)
b.glctx.Viewport(0, 0, bo.w, 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
}
b.disableTextureRenderTarget = func() {
b.enableTextureRenderTarget(&bo.offscrBuf)
bo.disableTextureRenderTarget = func() {
bo.enableTextureRenderTarget(&bo.offscrBuf)
}
bo.XMobileBackend = *b
return bo, nil
}
@ -304,7 +302,6 @@ func (b *XMobileBackend) SetBounds(x, y, w, h int) {
// SetSize updates the size of the offscreen texture
func (b *XMobileBackendOffscreen) SetSize(w, h int) {
b.XMobileBackend.SetBounds(0, 0, w, h)
b.enableTextureRenderTarget(&b.offscrBuf)
b.offscrImg.w = b.offscrBuf.w
b.offscrImg.h = b.offscrBuf.h
}
@ -326,7 +323,6 @@ func glError(b *XMobileBackend) error {
// Activate only needs to be called if there is other
// code also using the GL state
func (b *XMobileBackend) Activate() {
activeContext = nil
b.activate()
}