PKGBUILD

# Initially based on Archlinux amdvlk PKGBUILD - https://www.archlinux.org/packages/extra/x86_64/amdvlk/
### Maintainer: Laurent Carlier <lordheavym@gmail.com>
### Contributor: lod <aur@cyber-anlage.de>

# Modified for multilib, opt path and a couple tweaks by: Tk-Glitch <ti3nou at gmail dot com> 

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pkgname=amdvlk-tkg
pkgver=2024.Q4.2
pkgrel=1
pkgdesc="AMD's standalone Vulkan driver"
arch=(x86_64)
url="https://github.com/GPUOpen-Drivers"
license=('MIT')
provides=('vulkan-driver' 'lib32-vulkan-driver' 'amdvlk' 'lib32-amdvlk')
makedepends=('directx-shader-compiler' 'perl-xml-xpath' 'python' 'wayland' 'lib32-wayland' 'libxrandr' 'lib32-libxrandr' 'xorg-server-devel' 'cmake' 'ninja' 'git' 'glslang' 'ocaml-stdlib-shims' 'clang' 'lib32-clang' 'python-jinja' 'python-ruamel-yaml')
options=('!lto')
source=("https://github.com/GPUOpen-Drivers/AMDVLK/archive/v-${pkgver}.tar.gz")
sha256sums=('c2658c73465de8fc7f44edcfbe51b2ca76c50f0306cf90916627031238f3d01d')

# Workaround for chroot
if [[ "$PATH" != *"/bin/vendor_perl"* ]];then
  export PATH="$PATH:/usr/bin/vendor_perl"
fi

prepare() {
  local nrepos path name revision
  
  nrepos=$(xpath -q -e //project AMDVLK-v-${pkgver}/default.xml | wc -l)
  
  while (($nrepos>0))
  do
    path=$(xpath -q -e //project[$nrepos]/@path AMDVLK-v-${pkgver}/default.xml | sed 's/ path="drivers\/\(.*\)"/\1/g')
    name=$(xpath -q -e //project[$nrepos]/@name AMDVLK-v-${pkgver}/default.xml | sed 's/ name="\(.*\)"/\1/g')
    revision=$(xpath -q -e //project[$nrepos]/@revision AMDVLK-v-${pkgver}/default.xml | sed 's/ revision="\(.*\)"/\1/g')
    git clone --recurse-submodules https://github.com/GPUOpen-Drivers/$name $path || true
      pushd $path
        git pull https://github.com/GPUOpen-Drivers/$name
        git submodule update
        git checkout $revision
      popd
    (( nrepos-- ))
  done

  if [ -e ./ci ]; then
    ( cd ${srcdir}/llvm-project && rm -rf .git )
  fi
}

build() {
  cd ${srcdir}/xgl
  cmake -H. -Bbuilds/Release64 \
    -DCMAKE_BUILD_TYPE=Release \
    -DBUILD_WAYLAND_SUPPORT=On \
    -G Ninja
    
  ninja -C builds/Release64

  export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"

  cd ${srcdir}/xgl
  cmake -H. -Bbuilds/Release \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_C_FLAGS=-m32 \
    -DCMAKE_CXX_FLAGS=-m32 \
    -DLLVM_TARGET_ARCH:STRING=i686 \
    -DLLVM_DEFAULT_TARGET_TRIPLE="i686-pc-linux-gnu" \
    -DBUILD_WAYLAND_SUPPORT=On \
    -G Ninja
    
  ninja -C builds/Release
}

package() {
  install -m755 -d "${pkgdir}"/opt/amdvlk/lib/x86_64-linux-gnu
  install -m755 -d "${pkgdir}"/opt/amdvlk/lib/i386-linux-gnu
  install -m755 -d "${pkgdir}"/opt/amdvlk/etc/vulkan/icd.d
  install -m755 -d "${pkgdir}"/usr/share/licenses/${pkgname}

  install xgl/builds/Release64/icd/amdvlk64.so "${pkgdir}"/opt/amdvlk/lib/x86_64-linux-gnu/
  install xgl/builds/Release/icd/amdvlk32.so "${pkgdir}"/opt/amdvlk/lib/i386-linux-gnu/

  install xgl/builds/Release64/icd/amd_icd64.json "${pkgdir}"/opt/amdvlk/etc/vulkan/icd.d/
  install xgl/builds/Release/icd/amd_icd32.json "${pkgdir}"/opt/amdvlk/etc/vulkan/icd.d/

  install AMDVLK-v-${pkgver}/LICENSE.txt "${pkgdir}"/usr/share/licenses/${pkgname}/
  
  sed -i "s|/usr/lib/amdvlk64.so|/opt/amdvlk/lib/x86_64-linux-gnu/amdvlk64.so|g" "${pkgdir}"/opt/amdvlk/etc/vulkan/icd.d/amd_icd64.json
  sed -i "s|/usr/lib/amdvlk32.so|/opt/amdvlk/lib/i386-linux-gnu/amdvlk32.so|g" "${pkgdir}"/opt/amdvlk/etc/vulkan/icd.d/amd_icd32.json

  msg2 "#################################################################"
  msg2 ""
  msg2 "64-bit loader in /opt/amdvlk/etc/vulkan/icd.d/amd_icd64.json"
  msg2 "32-bit loader in /opt/amdvlk/etc/vulkan/icd.d/amd_icd32.json"
  msg2 ""
  msg2 "64-bit lib in /opt/amdvlk/lib/x86_64-linux-gnu/amdvlk64.so"
  msg2 "32-bit lib in /opt/amdvlk/lib/i386-linux-gnu/amdvlk32.so"
  msg2 ""
  msg2 "changelog and copyright in /usr/share/licenses/${pkgname}"
  msg2 ""
  msg2 "#################################################################"
}

function exit_cleanup {
  # Sanitization
  rm -rf "$srcdir"
  msg2 'exit cleanup done'

  remove_deps
}

trap exit_cleanup EXIT