fixed xmobile backend

backend/xmobilebackend/clip.go

@@ -3,7 +3,7 @@ package xmobilebackend
 import (
 	"unsafe"
 
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 func (b *XMobileBackend) ClearClip() {

backend/xmobilebackend/fill.go

@@ -6,7 +6,7 @@ import (
 	"unsafe"
 
 	"github.com/tfriedel6/canvas/backend/backendbase"
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 func (b *XMobileBackend) Clear(pts [4][2]float64) {

backend/xmobilebackend/gen/gen.go

@@ -73,7 +73,7 @@ func main() {
 
 func rewrite(filename, src string) (string, string) {
 	src = strings.Replace(src, `package goglbackend`, `package xmobilebackend`, 1)
-	src = strings.Replace(src, `"github.com/tfriedel6/canvas/backend/gogl/gl"`, `"golang.org/x/mobile/gl"`, 1)
+	src = strings.Replace(src, `"github.com/tfriedel6/canvas/backend/goglbackend/gl"`, `"golang.org/x/mobile/gl"`, 1)
 	src = strings.Replace(src, "\tgl.", "\tb.glctx.", -1)
 	src = strings.Replace(src, "GoGLBackend", "XMobileBackend", -1)
 	src = strings.Replace(src, "uint32(gl.TRIANGLES)", "gl.Enum(gl.TRIANGLES)", -1)

backend/xmobilebackend/gradients.go

@@ -4,7 +4,7 @@ import (
 	"runtime"
 
 	"github.com/tfriedel6/canvas/backend/backendbase"
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 // LinearGradient is a gradient with any number of

backend/xmobilebackend/imagedata.go

@@ -5,7 +5,7 @@ import (
 	"image/color"
 	"unsafe"
 
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 // GetImageData returns an RGBA image of the current image

backend/xmobilebackend/images.go

@@ -7,7 +7,7 @@ import (
 	"unsafe"
 
 	"github.com/tfriedel6/canvas/backend/backendbase"
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 // Image represents a loaded image that can be used in various drawing functions

backend/xmobilebackend/xmobile.go

@@ -8,7 +8,7 @@ import (
 	"unsafe"
 
 	"github.com/tfriedel6/canvas/backend/backendbase"
-	"github.com/tfriedel6/canvas/backend/goglbackend/gl"
+	"golang.org/x/mobile/gl"
 )
 
 const alphaTexSize = 2048