PKGBUILD-mesa

pkgbase=mesa
pkgname=('vulkan-mesa-layers' 'opencl-mesa' 'vulkan-panfrost' 'mesa')
pkgdesc="An open-source implementation of the OpenGL specification"
pkgver=21.0.2
pkgrel=1
arch=('any')
makedepends=('python-mako' 'libxml2' 'libx11' 'xorgproto' 'libdrm' 'libxshmfence' 'libxxf86vm'
             'libxdamage' 'libvdpau' 'libva' 'wayland' 'wayland-protocols' 'zstd' 'elfutils' 'llvm'
             'libomxil-bellagio' 'libclc' 'clang' 'libglvnd' 'libunwind' 'lm_sensors' 'libxrandr'
             'glslang' 'vulkan-icd-loader' 'cmake' 'meson')
url="https://www.mesa3d.org/"
license=('custom')
source=(git+file:///home/wicast/Third-party/mesa/#branch=panvk
        0001-Rip-out-VC4-forced-NEON.patch
        LICENSE)
sha512sums=('SKIP'
            '57e23d911d3de9bb4021d3d417270483d6edd53a81ad2d59b4e9cf2a9970901cde582b4a2167ee6d9ed47bd9ca90c3abd4e7cee38c028ad5ad183493560e7faf'
            'f9f0d0ccf166fe6cb684478b6f1e1ab1f2850431c06aa041738563eb1808a004e52cdec823c103c9e180f03ffc083e95974d291353f0220fe52ae6d4897fecc7')

prepare() {
  cd mesa

  [[ $CARCH == "armv6h" || $CARCH == "armv7h" ]] && patch -p1 -i ../0001-Rip-out-VC4-forced-NEON.patch || true
}

build() {
  MESON_OPT="-D asm=false"
  case "${CARCH}" in
    armv6h)  GALLIUM=",vc4" ;;
    armv7h)  GALLIUM=",etnaviv,kmsro,lima,panfrost,tegra,v3d,vc4" ;;
    aarch64) GALLIUM=",etnaviv,kmsro,lima,panfrost,v3d,vc4" ;;
  esac

  arch-meson mesa build --buildtype debugoptimized \
    -D b_lto=false \
    -D b_ndebug=true \
    -D platforms=x11,wayland \
    -D dri-drivers=r100,r200,nouveau \
    -D gallium-drivers=swrast,panfrost \
    -D vulkan-drivers=panfrost \
    -D vulkan-overlay-layer=true \
    -D vulkan-device-select-layer=true \
    -D dri3=enabled \
    -D egl=enabled \
    -D gallium-extra-hud=true \
    -D gallium-nine=false \
    -D gallium-omx=disabled \
    -D gallium-opencl=icd \
    -D gallium-va=disabled \
    -D gallium-vdpau=disabled \
    -D gallium-xa=disabled \
    -D gallium-xvmc=disabled \
    -D gbm=enabled \
    -D gles1=disabled \
    -D gles2=enabled \
    -D glvnd=true \
    -D glx=dri \
    -D libunwind=disabled \
    -D llvm=enabled \
    -D lmsensors=enabled \
    -D osmesa=true \
    -D shared-glapi=enabled \
    -D microsoft-clc=disabled \
    -D valgrind=disabled $MESON_OPT

  # Print config
  meson configure build

  ninja -C build
  meson compile -C build

  # fake installation to be seperated into packages
  # outside of fakeroot but mesa doesn't need to chown/mod
  DESTDIR="${srcdir}/fakeinstall" meson install -C build
}

_install() {
  local src f dir
  for src; do
    f="${src#fakeinstall/}"
    dir="${pkgdir}/${f%/*}"
    install -m755 -d "${dir}"
    mv -v "${src}" "${dir}/"
  done
}

package_vulkan-mesa-layers() {
  pkgdesc="Mesa's Vulkan layers"
  depends=('libdrm' 'libxcb' 'wayland' 'python')
  conflicts=('vulkan-mesa-layer')
  replaces=('vulkan-mesa-layer')

  _install fakeinstall/usr/share/vulkan/explicit_layer.d
  _install fakeinstall/usr/lib/libVkLayer_MESA_overlay.so
  _install fakeinstall/usr/bin/mesa-overlay-control.py

  _install fakeinstall/usr/share/vulkan/implicit_layer.d
  _install fakeinstall/usr/lib/libVkLayer_MESA_device_select.so

  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
}

package_opencl-mesa() {
  pkgdesc="OpenCL support for AMD/ATI Radeon mesa drivers"
  depends=('libdrm' 'libclc' 'clang')
  optdepends=('opencl-headers: headers necessary for OpenCL development')
  provides=('opencl-driver')

  _install fakeinstall/etc/OpenCL
  _install fakeinstall/usr/lib/lib*OpenCL*
  _install fakeinstall/usr/lib/gallium-pipe

  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
}

#package_vulkan-radeon() {
#  pkgdesc="Radeon's Vulkan mesa driver"
#  depends=('wayland' 'libx11' 'libxshmfence' 'libelf' 'libdrm' 'llvm-libs')
#  optdepends=('vulkan-mesa-layers: additional vulkan layers')
#  provides=('vulkan-driver')
#
#  _install fakeinstall/usr/share/vulkan/icd.d/radeon_icd*.json
#  _install fakeinstall/usr/lib/libvulkan_radeon.so
#
#  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
#}

#package_vulkan-swrast() {
#  pkgdesc="Vulkan software rasteriser driver"
#  depends=('wayland' 'libx11' 'libxshmfence' 'libdrm' 'zstd' 'llvm-libs')
#  optdepends=('vulkan-mesa-layers: additional vulkan layers')
#  conflicts=('vulkan-mesa')
#  replaces=('vulkan-mesa')
#  provides=('vulkan-driver')
#
#  _install fakeinstall/usr/share/vulkan/icd.d/lvp_icd*.json
#  _install fakeinstall/usr/lib/libvulkan_lvp.so
#
#  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
#}

package_vulkan-panfrost() {
  pkgdesc="Panfrost's Vulkan mesa driver"
  depends=('wayland' 'libx11' 'libxshmfence' 'libdrm')
  optdepends=('vulkan-mesa-layers: additional vulkan layers')
  provides=('vulkan-driver')

  _install fakeinstall/usr/share/vulkan/icd.d/panfrost_icd*.json
  _install fakeinstall/usr/lib/libvulkan_panfrost.so

  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
}


package_mesa() {
  depends=('libdrm' 'wayland' 'libxxf86vm' 'libxdamage' 'libxshmfence' 'libelf'
           'libomxil-bellagio' 'libunwind' 'llvm-libs' 'lm_sensors' 'libglvnd'
           'zstd' 'vulkan-icd-loader')
  depends+=('libsensors.so' 'libexpat.so' 'libvulkan.so')
  optdepends=('opengl-man-pages: for the OpenGL API man pages'
              'mesa-vdpau: for accelerated video playback'
              'libva-mesa-driver: for accelerated video playback')
  provides=('mesa-libgl' 'opengl-driver')
  conflicts=('mesa-libgl')
  replaces=('mesa-libgl')

  _install fakeinstall/usr/share/drirc.d/00-mesa-defaults.conf
  _install fakeinstall/usr/share/glvnd/egl_vendor.d/50_mesa.json

  # ati-dri, nouveau-dri, intel-dri, svga-dri, swrast, swr
  _install fakeinstall/usr/lib/dri/*_dri.so

  #_install fakeinstall/usr/lib/bellagio
  #_install fakeinstall/usr/lib/d3d
  _install fakeinstall/usr/lib/lib{gbm,glapi}.so*
  _install fakeinstall/usr/lib/libOSMesa.so*

  # in vulkan-headers
  rm -rfv fakeinstall/usr/include/vulkan

  _install fakeinstall/usr/include
  rm -f fakeinstall/usr/lib/pkgconfig/{egl,gl}.pc
  _install fakeinstall/usr/lib/pkgconfig

  # libglvnd support
  _install fakeinstall/usr/lib/libGLX_mesa.so*
  _install fakeinstall/usr/lib/libEGL_mesa.so*

  # indirect rendering
  ln -s /usr/lib/libGLX_mesa.so.0 "${pkgdir}/usr/lib/libGLX_indirect.so.0"

  # make sure there are no files left to install
  find fakeinstall -depth -print0 | xargs -0 rmdir

  install -m644 -Dt "${pkgdir}/usr/share/licenses/${pkgname}" LICENSE
}