scripts: add build-mesa

Author: m154k1

.env

@@ -9,3 +9,5 @@ CMAKE_POLICY_VERSION_MINIMUM="4.3"
 MACOSX_DEPLOYMENT_TARGET="${MACOSX_DEPLOYMENT_TARGET:-26.4}"
 CFLAGS="-mcpu=native"
 CXXFLAGS="${CFLAGS}"
+PYTHONPATH="${PWD}/src/python"
+PIP_TARGET="${PYTHONPATH}"

build-mesa

@@ -0,0 +1,48 @@
+#!/bin/bash -e
+#
+# Mesa
+# https://gitlab.freedesktop.org/mesa/mesa.git
+#
+# Homebrew dependencies:
+# libclc spirv-llvm-translator
+#
+cd "$(dirname "$0")"
+set -a; . .env; set +a
+
+pkgname="mesa"
+pkgdir="${STOWDIR}/${pkgname}"
+srcdir="src/mesa"
+builddir="${TMPDIR:-/tmp}/build.${pkgname}"
+
+echo "::group::$0"
+
+rm -rf "${builddir}"
+
+meson setup "${builddir}" "${srcdir}" \
+  --prefix="${pkgdir}" \
+  --native-file=meson/native/llvm.ini \
+  -Dwrap_mode=nodownload \
+  -Dbuildtype=release \
+  -Dplatforms=macos \
+  -Dvulkan-drivers=kosmickrisp \
+  -Dvulkan-icd-dir="${pkgdir}/etc/vulkan/icd.d" \
+  -Dgallium-drivers=[] \
+  -Dvideo-codecs=all \
+  -Dopengl=false \
+  -Dgles1=disabled \
+  -Dgles2=disabled \
+  -Dglx=disabled \
+  -Dxmlconfig=disabled \
+  -Dzstd=disabled \
+  "$@"
+
+meson compile -C "${builddir}"
+
+rm -rf "${pkgdir}"
+
+meson install -C "${builddir}"
+stow -Rd "${STOWDIR}" "${pkgname}"
+
+rm -rf "${builddir}"
+
+echo "::endgroup::"

fetch

@@ -1,6 +1,7 @@
 #!/bin/bash -e
 
 cd "$(dirname "$0")"
+set -a; . .env; set +a
 
 print_usage() {
   echo "Usage:"
@@ -133,6 +134,13 @@ fetch_luajit() {
   git -C src clone --depth 1 "${url}"
 }
 
+fetch_mesa() {
+  local url="https://gitlab.freedesktop.org/mesa/mesa.git"
+  rm -rf src/mesa
+  git -C src clone --depth 1 "${url}"
+  pip3 install --no-cache-dir -U mako packaging pyyaml
+}
+
 fetch_moltenvk() {
   local url="https://github.com/KhronosGroup/MoltenVK.git"
   rm -rf src/MoltenVK
@@ -309,6 +317,9 @@ else
       "luajit")
         fetch_luajit
         ;;
+      "mesa")
+        fetch_mesa
+        ;;
       "moltenvk")
         fetch_moltenvk
         ;;

meson/native/llvm.ini

@@ -0,0 +1,2 @@
+[binaries]
+llvm-config = '/opt/homebrew/opt/llvm/bin/llvm-config'