GL 4.5 on llvmpipe
GL_INTEL_blackhole_render on radeonsi
GL_NV_copy_depth_to_color for NIR
GL_NV_half_float
GL_NV_shader_atomic_int64 on radeonsi
EGL_KHR_swap_buffers_with_damage on X11 (DRI3)
VK_PRESENT_MODE_FIFO_RELAXED on X11
GLX_EXT_swap_control for DRI2 and DRI3
GLX_EXT_swap_control_tear for DRI3
VK_KHR_copy_commands2 on RADV
VK_KHR_shader_terminate_invocation on RADV
NGG GS support in ACO
VK_KHR_shader_terminate_invocation on ANV
driconf: add glx_extension_override
driconf: add indirect_gl_extension_override
VK_AMD_mixed_attachment_samples on RADV (GFX6-GFX7).