> > It sounds like it would make fast GPU-accelerated blitting difficult, even > in fairly simple cases. >
Not that bad. I can think of two ways: A) create a cropped texture just for the sub rectangle B) implement your own clamping in the shader I think A) is problematic because some platforms do not have non-power-of-two textures, though that problem is slowly fading away. Chrome does B) -Justin
