GL_ARB_shader_group_vote DONE (i965, nvc0, radeonsi)
GL_ARB_spirv_extensions in progress (Nicolai Hähnle, Ian Romanick)
GL_ARB_texture_filter_anisotropic DONE (freedreno, i965, nv50, nvc0, r600, radeonsi, softpipe (*), llvmpipe (*))
- GL_ARB_transform_feedback_overflow_query DONE (i965/gen6+, radeonsi, llvmpipe, softpipe)
+ GL_ARB_transform_feedback_overflow_query DONE (i965/gen6+, nvc0, radeonsi, llvmpipe, softpipe)
GL_KHR_no_error DONE (all drivers)
(*) softpipe and llvmpipe advertise 16x anisotropy but simply ignore the setting