Wow. 10 seconds from a clean checkout to an installed Vulkan driver.
I don't know how qualify my surprise...
Wow.
The Intel Vulkan driver is often all I need, so I was tempted to
investigate whether Meson allowed building and installing just anvil and
nothing else. No OpenGL, no OpenGL ES, no EGL, no GLX,... just
libvulkan_intel.so, the icd json, and the pkg-config files.
I benchmarked the time to configure, build, and install from a clean git
checkout. I tested with vkcube.
$ tmpdir=$(mktemp -d --tmpdir mesa.XXXXXXXX)
$ time meson \
--prefix="$tmpdir/prefix" \
-Dbuildtype=debug \
-Dvalgrind=true \
-Dplatforms=x11,drm,wayland,surfaceless \
-Ddri-drivers= \
-Dvulkan-drivers=intel \
-Dgallium-drivers= \
-Dgles1=false \
-Dgles2=false \
-Dopengl=false \
"$tmpdir/build"
real 0m4.970s
user 0m3.420s
sys 0m1.100s
$ ninja -C /tmp/mesa.fnQzVfsc/build
real 0m5.080s
user 2m18.93s
sys 0m18.330s
$ ninja -C /tmp/mesa.fnQzVfsc/build install
real 0m0.460s
user 0m0.36s
sys 0m0.070s
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