func GetTextureSubImage(texture uint32, level int32, xoffset int32, yoffset int32, zoffset int32, width int32, height int32, depth int32, format uint32, xtype uint32, bufSize int32, pixels unsafe.Pointer) {
	C.glowGetTextureSubImage(gpGetTextureSubImage, (C.GLuint)(texture), (C.GLint)(level), (C.GLint)(xoffset), (C.GLint)(yoffset), (C.GLint)(zoffset), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLsizei)(depth), (C.GLenum)(format), (C.GLenum)(xtype), (C.GLsizei)(bufSize), pixels)
}
func GetTextureSubImage(texture uint32, level int32, xoffset int32, yoffset int32, zoffset int32, width int32, height int32, depth int32, format uint32, xtype uint32, bufSize int32, pixels unsafe.Pointer) {
	C.glowGetTextureSubImage(gpGetTextureSubImage, (C.GLuint)(texture), (C.GLint)(level), (C.GLint)(xoffset), (C.GLint)(yoffset), (C.GLint)(zoffset), (C.GLsizei)(width), (C.GLsizei)(height), (C.GLsizei)(depth), (C.GLenum)(format), (C.GLenum)(xtype), (C.GLsizei)(bufSize), pixels)
}
// retrieve a sub-region of a texture image from a texture     object