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Move calling glTexParameteri

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This commit is contained in:
Hajime Hoshi 2013-10-27 02:25:41 +09:00
parent 0baad5a6c3
commit 37746fc323
5 changed files with 11 additions and 11 deletions
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5
graphics/opengl/context.go
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@ -60,6 +60,11 @@ func (context *Context) Init() {
if err != nil {
panic("initializing the offscreen failed: " + err.Error())
}
screen := context.renderTargets[context.screenId]
C.glBindTexture(C.GL_TEXTURE_2D, screen.Texture().Native().(C.GLuint))
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_NEAREST)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_NEAREST)
C.glBindTexture(C.GL_TEXTURE_2D, 0)
}
func (context *Context) ToTexture(renderTargetId graphics.RenderTargetId) graphics.TextureId {

5
graphics/opengl/device.go
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@ -32,17 +32,12 @@ func (device *Device) Init() {
func (device *Device) Update(draw func(graphics.Context)) {
context := device.context
C.glEnable(C.GL_TEXTURE_2D)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_NEAREST)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_NEAREST)
context.ResetOffscreen()
context.Clear()
draw(context)
context.flush()
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_LINEAR)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_LINEAR)
context.setMainFramebufferOffscreen()
context.Clear()

2
graphics/opengl/shader/program.go
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@ -175,7 +175,7 @@ func DrawTexture(native Texture, projectionMatrix [16]float32, quads []texture.Q
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)
defer C.glBindTexture(C.GL_TEXTURE_2D, 0)
vertexAttrLocation := getAttributeLocation(shaderProgram, "vertex")
textureAttrLocation := getAttributeLocation(shaderProgram, "texture")

2
graphics/opengl/shader/shader.go
View File

@ -69,7 +69,7 @@ var (
func (s *shader) compile() {
csource := (*C.GLchar)(C.CString(s.source))
// TODO: defer?
//defer C.free(unsafe.Pointer(csource))
// defer C.free(unsafe.Pointer(csource))
C.glShaderSource(s.id, 1, &csource, nil)
C.glCompileShader(s.id)

8
graphics/opengl/texture.go
View File

@ -20,6 +20,10 @@ func createNativeTexture(textureWidth, textureHeight int, pixels []uint8) C.GLui
}
C.glPixelStorei(C.GL_UNPACK_ALIGNMENT, 4)
C.glBindTexture(C.GL_TEXTURE_2D, C.GLuint(nativeTexture))
defer C.glBindTexture(C.GL_TEXTURE_2D, 0)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_LINEAR)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_LINEAR)
ptr := unsafe.Pointer(nil)
if pixels != nil {
@ -29,10 +33,6 @@ func createNativeTexture(textureWidth, textureHeight int, pixels []uint8) C.GLui
C.GLsizei(textureWidth), C.GLsizei(textureHeight),
0, C.GL_RGBA, C.GL_UNSIGNED_BYTE, ptr)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MAG_FILTER, C.GL_LINEAR)
C.glTexParameteri(C.GL_TEXTURE_2D, C.GL_TEXTURE_MIN_FILTER, C.GL_LINEAR)
C.glBindTexture(C.GL_TEXTURE_2D, 0)
return nativeTexture
}