public static extern void GPU_BlitScale(IntPtr image, ref GPU_Rect rect, IntPtr screen, float x, float y, float sx, float sy);
public static extern void GPU_BlitTransform(IntPtr image, ref GPU_Rect rect, IntPtr screen, float x, float y, float rotation, float sx, float sy);
public static extern void GPU_BlitRotate(IntPtr image, ref GPU_Rect rect, IntPtr screen, float x, float y, float degrees);