| GL_EXT_framebuffer_multisample | |
| http://oss.sgi.com/projects/ogl-sample/registry/EXT/framebuffer_multisample.txt | |
| GL_RENDERBUFFER_SAMPLES_EXT 0x8CAB | |
| void glRenderbufferStorageMultisampleEXT (GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) | |
| GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT 0x8D56 | |
| GL_MAX_SAMPLES_EXT 0x8D57 |