$ equery u mesa
-abi_x86_32
-bindist
+classic
-d3d9
-debug
+dri3
+egl
+gallium
+gbm
-gles1
-gles2
+llvm
+nptl
-opencl
-openmax
-osmesa
-pax_kernel
-pic
-unwind
+vaapi
-valgrind
+vdpau
-video_cards_i915
+video_cards_i965
+video_cards_intel
-video_cards_nouveau
-video_cards_r100
-video_cards_r200
-video_cards_r300
-video_cards_r600
-video_cards_radeon
-video_cards_radeonsi
-video_cards_virgl
-video_cards_vmware
+vulkan
-wayland
-xa
-xvmc