GL_EXT_framebuffer_multisample_blit_scaled
https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_framebuffer_multisample_blit_scaled.txt
GL_EXT_framebuffer_multisample_blit_scaled

	GL_SCALED_RESOLVE_FASTEST_EXT 0x90BA
	GL_SCALED_RESOLVE_NICEST_EXT 0x90BB