#!/bin/sh

MAKEDEPS="meson ninja python-mako libva libvdpau llvm libxxf86vm libelf lm_sensors libexpat libvulkan wayland-protocols"
DEPS="xorg-libs libdrm"

PKG_VER=21.3.6
SOURCE=https://mesa.freedesktop.org/archive/mesa-$PKG_VER.tar.xz
ADDITIONAL="
    https://www.linuxfromscratch.org/patches/blfs/svn/mesa-$PKG_VER-add_xdemos-1.patch
    https://www.linuxfromscratch.org/patches/blfs/svn/mesa-$PKG_VER-nouveau_fixes-1.patch
"

DESC="An implementation of the OpenGL specification"

prepare () {
    patch -Np1 -i mesa-$PKG_VER-add_xdemos-1.patch

    export GALLIUM_DRV="crocus,i915,iris,nouveau,r600,radeonsi,svga,swrast,virgl"
    export DRI_DRIVERS="i965,nouveau"

    patch -Np1 -i mesa-$PKG_VER-nouveau_fixes-1.patch

}

build () {
    mkdir build &&
    cd    build &&

    meson --prefix=$XORG_PREFIX          \
          --buildtype=release            \
          -Ddri-drivers=$DRI_DRIVERS     \
          -Dgallium-drivers=$GALLIUM_DRV \
          -Dgallium-nine=false           \
          -Dglx=dri                      \
          -Dvalgrind=disabled            \
          -Dlibunwind=disabled           \
          ..                             &&

    unset GALLIUM_DRV DRI_DRIVERS &&

    ninja -j$JOBS

}

package () {
    DESTDIR=$PKG_DEST ninja install
    install -dm755 $PKG_DEST/usr/share/doc/mesa-$PKG_VER &&
    cp -rf ../docs/* $PKG_DEST/usr/share/doc/mesa-$PKG_VER

}