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Refactoring: gl bug fix

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This commit is contained in:
Hajime Hoshi 2014-12-27 17:58:39 +09:00
parent 325e05259a
commit 4a07c6f0df
1 changed files with 3 additions and 8 deletions
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11
internal/opengl/internal/shader/drawtexture.go
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@ -16,7 +16,6 @@ package shader
import ( import (
"github.com/go-gl/gl" "github.com/go-gl/gl"
"unsafe"
) )
func glMatrix(m [4][4]float64) [16]float32 { func glMatrix(m [4][4]float64) [16]float32 {
@ -87,11 +86,8 @@ func DrawTexture(native gl.Texture, projectionMatrix [4][4]float64, quads []Text
vertexAttrLocation.DisableArray() vertexAttrLocation.DisableArray()
}() }()
// TODO: Fix this dirty hack after fixing https://github.com/go-gl/gl/issues/174 vertexAttrLocation.AttribPointer(2, gl.FLOAT, false, stride, uintptr(short32Size*0))
v := (*int)(unsafe.Pointer(uintptr(short32Size * 0))) texCoordAttrLocation.AttribPointer(2, gl.FLOAT, false, stride, uintptr(short32Size*2))
t := (*int)(unsafe.Pointer(uintptr(short32Size * 2)))
vertexAttrLocation.AttribPointer(2, gl.FLOAT, false, stride, v)
texCoordAttrLocation.AttribPointer(2, gl.FLOAT, false, stride, t)
vertices := []float32{} vertices := []float32{}
for _, quad := range quads { for _, quad := range quads {
@ -111,8 +107,7 @@ func DrawTexture(native gl.Texture, projectionMatrix [4][4]float64, quads []Text
) )
} }
gl.BufferSubData(gl.ARRAY_BUFFER, 0, short32Size*len(vertices), vertices) gl.BufferSubData(gl.ARRAY_BUFFER, 0, short32Size*len(vertices), vertices)
// TODO: Pass 0 after fixing the gl bug gl.DrawElements(gl.TRIANGLES, 6*len(quads), gl.UNSIGNED_SHORT, uintptr(0))
gl.DrawElements(gl.TRIANGLES, 6*len(quads), gl.UNSIGNED_SHORT, nil)
gl.Flush() gl.Flush()
} }