- switch (rb->base._ActualFormat) {
- case GL_RGB5:
- case GL_DEPTH_COMPONENT16:
- return 16;
- case GL_RGB8:
- case GL_RGBA8:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH24_STENCIL8_EXT:
- case GL_STENCIL_INDEX8_EXT:
- return 32;
- default:
- return 0;
- }