internal/graphicsdriver/opengl/gl/package_notwindows.go
func GetTextureImage(texture uint32, level int32, format uint32, xtype uint32, bufSize int32, pixels unsafe.Pointer) {
	C.glowGetTextureImage(gpGetTextureImage, (C.GLuint)(texture), (C.GLint)(level), (C.GLenum)(format), (C.GLenum)(xtype), (C.GLsizei)(bufSize), pixels)
}
func GetTextureImage(texture uint32, level int32, format uint32, xtype uint32, bufSize int32, pixels unsafe.Pointer) {
	C.glowGetTextureImage(gpGetTextureImage, (C.GLuint)(texture), (C.GLint)(level), (C.GLenum)(format), (C.GLenum)(xtype), (C.GLsizei)(bufSize), pixels)
}
// return a texture image