-GL_ARB_compute_variable_group_size on Iris.
-VK_AMD_texture_gather_bias_lod on RADV.
-VK_EXT_private_data on ANV and RADV.
-VK_EXT_custom_border_color on RADV.
-VK_EXT_pipeline_creation_cache_control on RADV.
-VK_EXT_subgroup_size_control on RADV/ACO.
-VK_GOOGLE_user_type on ANV and RADV.
+GL 4.5 on llvmpipe
+GL_NV_half_float
+EGL_KHR_swap_buffers_with_damage on X11 (DRI3)