The graphics card should clip it as it has nowhere to draw to.
If your graphics card supports large enough textures it will be a single 1024x1024 image, and yes some space will be wasted.
It would never be clipped down below 64x64 as that is the minimum allowed texture size in OpenGL.
If your graphics card supports large enough textures it will be a single 1024x1024 image, and yes some space will be wasted.
It would never be clipped down below 64x64 as that is the minimum allowed texture size in OpenGL.