diff --git a/graphics/opengl/shader/draw_texture.go b/graphics/opengl/shader/draw_texture.go
new file mode 100644
index 000000000..37e068d5f
--- /dev/null
+++ b/graphics/opengl/shader/draw_texture.go
@@ -0,0 +1,82 @@
+package shader
+
+// #cgo LDFLAGS: -framework OpenGL
+//
+// #include <OpenGL/gl.h>
+// #include <stdlib.h>
+import "C"
+import (
+	"github.com/hajimehoshi/go-ebiten/graphics/matrix"
+	"github.com/hajimehoshi/go-ebiten/graphics/opengl/texture"
+	gtexture "github.com/hajimehoshi/go-ebiten/graphics/texture"
+	"unsafe"
+)
+
+func DrawTexture(native texture.Native, projectionMatrix [16]float32, quads []gtexture.Quad,
+	geometryMatrix matrix.Geometry, colorMatrix matrix.Color) {
+	if !initialized {
+		initialize()
+	}
+
+	if len(quads) == 0 {
+		return
+	}
+	shaderProgram := use(projectionMatrix, geometryMatrix, colorMatrix)
+	// This state affects the other functions, so can't disable here...
+	C.glBindTexture(C.GL_TEXTURE_2D, C.GLuint(native))
+	defer C.glBindTexture(C.GL_TEXTURE_2D, 0)
+
+	vertexAttrLocation := getAttributeLocation(shaderProgram, "vertex")
+	textureAttrLocation := getAttributeLocation(shaderProgram, "texture")
+
+	C.glEnableClientState(C.GL_VERTEX_ARRAY)
+	C.glEnableClientState(C.GL_TEXTURE_COORD_ARRAY)
+	C.glEnableVertexAttribArray(C.GLuint(vertexAttrLocation))
+	C.glEnableVertexAttribArray(C.GLuint(textureAttrLocation))
+	defer func() {
+		C.glDisableVertexAttribArray(C.GLuint(textureAttrLocation))
+		C.glDisableVertexAttribArray(C.GLuint(vertexAttrLocation))
+		C.glDisableClientState(C.GL_TEXTURE_COORD_ARRAY)
+		C.glDisableClientState(C.GL_VERTEX_ARRAY)
+	}()
+
+	vertices := []float32{}
+	texCoords := []float32{}
+	indicies := []uint32{}
+	// TODO: Check len(parts) and GL_MAX_ELEMENTS_INDICES
+	for i, quad := range quads {
+		x1 := quad.VertexX1
+		x2 := quad.VertexX2
+		y1 := quad.VertexY1
+		y2 := quad.VertexY2
+		vertices = append(vertices,
+			x1, y1,
+			x2, y1,
+			x1, y2,
+			x2, y2,
+		)
+		u1 := quad.TextureCoordU1
+		u2 := quad.TextureCoordU2
+		v1 := quad.TextureCoordV1
+		v2 := quad.TextureCoordV2
+		texCoords = append(texCoords,
+			u1, v1,
+			u2, v1,
+			u1, v2,
+			u2, v2,
+		)
+		base := uint32(i * 4)
+		indicies = append(indicies,
+			base, base+1, base+2,
+			base+1, base+2, base+3,
+		)
+	}
+	C.glVertexAttribPointer(C.GLuint(vertexAttrLocation), 2,
+		C.GL_FLOAT, C.GL_FALSE,
+		0, unsafe.Pointer(&vertices[0]))
+	C.glVertexAttribPointer(C.GLuint(textureAttrLocation), 2,
+		C.GL_FLOAT, C.GL_FALSE,
+		0, unsafe.Pointer(&texCoords[0]))
+	C.glDrawElements(C.GL_TRIANGLES, C.GLsizei(len(indicies)),
+		C.GL_UNSIGNED_INT, unsafe.Pointer(&indicies[0]))
+}
diff --git a/graphics/opengl/shader/program.go b/graphics/opengl/shader/program.go
index 0e6450abc..c6b136d21 100644
--- a/graphics/opengl/shader/program.go
+++ b/graphics/opengl/shader/program.go
@@ -7,8 +7,6 @@ package shader
 import "C"
 import (
 	"github.com/hajimehoshi/go-ebiten/graphics/matrix"
-	"github.com/hajimehoshi/go-ebiten/graphics/opengl/texture"
-	gtexture "github.com/hajimehoshi/go-ebiten/graphics/texture"
 	"unsafe"
 )
 
@@ -161,72 +159,3 @@ func use(projectionMatrix [16]float32, geometryMatrix matrix.Geometry, colorMatr
 
 	return program
 }
-
-func DrawTexture(native texture.Native, projectionMatrix [16]float32, quads []gtexture.Quad,
-	geometryMatrix matrix.Geometry, colorMatrix matrix.Color) {
-	if !initialized {
-		initialize()
-	}
-
-	if len(quads) == 0 {
-		return
-	}
-	shaderProgram := use(projectionMatrix, geometryMatrix, colorMatrix)
-	// This state affects the other functions, so can't disable here...
-	C.glBindTexture(C.GL_TEXTURE_2D, C.GLuint(native))
-	defer C.glBindTexture(C.GL_TEXTURE_2D, 0)
-
-	vertexAttrLocation := getAttributeLocation(shaderProgram, "vertex")
-	textureAttrLocation := getAttributeLocation(shaderProgram, "texture")
-
-	C.glEnableClientState(C.GL_VERTEX_ARRAY)
-	C.glEnableClientState(C.GL_TEXTURE_COORD_ARRAY)
-	C.glEnableVertexAttribArray(C.GLuint(vertexAttrLocation))
-	C.glEnableVertexAttribArray(C.GLuint(textureAttrLocation))
-	defer func() {
-		C.glDisableVertexAttribArray(C.GLuint(textureAttrLocation))
-		C.glDisableVertexAttribArray(C.GLuint(vertexAttrLocation))
-		C.glDisableClientState(C.GL_TEXTURE_COORD_ARRAY)
-		C.glDisableClientState(C.GL_VERTEX_ARRAY)
-	}()
-
-	vertices := []float32{}
-	texCoords := []float32{}
-	indicies := []uint32{}
-	// TODO: Check len(parts) and GL_MAX_ELEMENTS_INDICES
-	for i, quad := range quads {
-		x1 := quad.VertexX1
-		x2 := quad.VertexX2
-		y1 := quad.VertexY1
-		y2 := quad.VertexY2
-		vertices = append(vertices,
-			x1, y1,
-			x2, y1,
-			x1, y2,
-			x2, y2,
-		)
-		u1 := quad.TextureCoordU1
-		u2 := quad.TextureCoordU2
-		v1 := quad.TextureCoordV1
-		v2 := quad.TextureCoordV2
-		texCoords = append(texCoords,
-			u1, v1,
-			u2, v1,
-			u1, v2,
-			u2, v2,
-		)
-		base := uint32(i * 4)
-		indicies = append(indicies,
-			base, base+1, base+2,
-			base+1, base+2, base+3,
-		)
-	}
-	C.glVertexAttribPointer(C.GLuint(vertexAttrLocation), 2,
-		C.GL_FLOAT, C.GL_FALSE,
-		0, unsafe.Pointer(&vertices[0]))
-	C.glVertexAttribPointer(C.GLuint(textureAttrLocation), 2,
-		C.GL_FLOAT, C.GL_FALSE,
-		0, unsafe.Pointer(&texCoords[0]))
-	C.glDrawElements(C.GL_TRIANGLES, C.GLsizei(len(indicies)),
-		C.GL_UNSIGNED_INT, unsafe.Pointer(&indicies[0]))
-}