GL_ARB_fragment_shader_interlock not started
GL_ARB_gpu_shader_int64 DONE (i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe)
GL_ARB_parallel_shader_compile not started, but Chia-I Wu did some related work in 2014
- GL_ARB_post_depth_coverage DONE (i965)
+ GL_ARB_post_depth_coverage DONE (i965, nvc0)
GL_ARB_robustness_isolation not started
GL_ARB_sample_locations not started
GL_ARB_seamless_cubemap_per_texture DONE (i965, nvc0, radeonsi, r600, softpipe, swr)