EXT(NV_texture_env_combine4 , NV_texture_env_combine4 , GLL, x , x , x , 1999)
EXT(NV_texture_rectangle , NV_texture_rectangle , GLL, x , x , x , 2000)
EXT(NV_vdpau_interop , NV_vdpau_interop , GLL, GLC, x , x , 2010)
+EXT(NV_viewport_swizzle , NV_viewport_swizzle , GLL, GLC, x , 31, 2015)
EXT(OES_EGL_image , OES_EGL_image , GLL, GLC, ES1, ES2, 2006) /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
EXT(OES_EGL_image_external , OES_EGL_image_external , x , x , ES1, ES2, 2010)