# Maintainer: Márcio Silva <coadde@parabola.nu>

# Based on mesa package from Arch and Arch ARM

pkgbase=mesa-vanilla
pkgname=('opencl-mesa-vanilla' 'libva-mesa-driver-vanilla' 'mesa-vdpau-vanilla' 'mesa-vanilla'
         'mesa-libgl-vanilla' 'vulkan-radeon-vanilla')
[[ "${CARCH}" = 'x86_64' || "${CARCH}" = 'i686' ]] && pkgname+=('vulkan-intel-vanilla')
pkgver=17.0.2
pkgrel=2
arch=('i686' 'x86_64' 'armv7h')
makedepends=('python2-mako' 'libxml2' 'libx11' 'glproto' 'libdrm' 'dri2proto' 'dri3proto' 'presentproto' 
             'libxshmfence' 'libxxf86vm' 'libxdamage' 'libvdpau' 'libva' 'wayland' 'elfutils' 'llvm'
             'libomxil-bellagio' 'libclc' 'clang' 'lm_sensors') # Implement 'lm_sensors' extra functionality, for i2c on video drivers
url="http://mesa3d.sourceforge.net"
license=('custom')
source=(https://mesa.freedesktop.org/archive/mesa-${pkgver}.tar.xz{,.sig}
        LICENSE
        remove-libpthread-stubs.patch
        0001-Fix-linkage-against-shared-glapi.patch
        0001-glapi-Link-with-glapi-when-built-shared.patch
        drirc)
sha256sums=('f8f191f909e01e65de38d5bdea5fb057f21649a3aed20948be02348e77a689d4'
            'SKIP'
            '7fdc119cf53c8ca65396ea73f6d10af641ba41ea1dd2bd44a824726e01c8b3f2'
            '75ab53ad44b95204c788a2988e97a5cb963bdbf6072a5466949a2afb79821c8f'
            'c68d1522f9bce4ce31c92aa7a688da49f13043f5bb2254795b76dea8f47130b7'
            '064dcd5a3ab1b7c23383e2cafbd37859e4c353f8839671d9695c6f7c2ef3260b'
            '2cc6f40076e07a2d4769557c1aa40e5b6fbbb59c38e551c1a1997ef0d3f3c5f2')
validpgpkeys=('8703B6700E7EE06D7A39B8D6EDAE37B02CEB490D') # Emil Velikov <emil.l.velikov@gmail.com>

prepare() {
  cd ${srcdir}/mesa-${pkgver}

  # Now mesa checks for libpthread-stubs - so remove the check
  patch -Np1 -i ../remove-libpthread-stubs.patch

  # non-upstreamed ones
  patch -Np1 -i ../0001-Fix-linkage-against-shared-glapi.patch
  patch -Np1 -i ../0001-glapi-Link-with-glapi-when-built-shared.patch

  autoreconf -fiv
}

build() {
  # copy source to build mesa-libcl-icd package
  cp -a ${srcdir}/{mesa,opencl}-${pkgver}

  cd ${srcdir}/mesa-${pkgver}

  # softpipe,llvmpipe
  if [[ "${CARCH}" = 'x86_64' || "${CARCH}" = 'i686' ]]; then
    DRI=i915,i965,r200,radeon,nouveau,swrast
    # Implement 'swr' (OpenSWR) software driver (only support x86 hardware with AVX extension, see: http://openswr.org/)
    GALLIUM=r300,r600,radeonsi,nouveau,svga,swrast,virgl,swr
    VULKAN=intel,radeon
  elif [[ "${CARCH}" = 'armv7h' ]]; then
    DRI=r200,radeon,nouveau,swrast
    # Implement PCI and PCI-e drivers, due some ARM hardware does suport PCI and PCIe drivers, see:
    #  https://lwn.net/Articles/586802/
    #  https://www.linaro.org/blog/core-dump/kvm-pciemsi-passthrough-armarm64/
    # nVidia, are avaliable on Tegra hardware and AMD will support K12 hardware, see:
    #  https://en.wikipedia.org/wiki/Tegra
    #  https://en.wikipedia.org/wiki/AMD_K12
    GALLIUM=freedreno,etnaviv,vc4,imx,r300,r600,radeonsi,nouveau,svga,swrast,virgl
    VULKAN=radeon
  fi

  # Implement 'gallium-extra-hud' extra functionality
  # Implement opencl/vaapi/vdpau/xa on ARM archictecture, does support it and easy to maintain the PKGBUILD
  #  ARM archictecture support PCI and PCIe drivers, see:
  #    https://lwn.net/Articles/586802/
  #    https://www.linaro.org/blog/core-dump/kvm-pciemsi-passthrough-armarm64/
  #  Some ARM video drivers like freedreno/nouveau does support OpenCL, see:
  #    Mali (Lima)                                  : https://en.wikipedia.org/wiki/Mali_(GPU)#Variants
  #    Adreno (Freedreno, is not avaliable on mesa) : https://en.wikipedia.org/wiki/Adreno#Variants
  ./configure --prefix=/usr \
    --sysconfdir=/etc \
    --with-dri-driverdir=/usr/lib/xorg/modules/dri \
    --with-gallium-drivers=${GALLIUM} \
    --with-dri-drivers=${DRI} \
    --with-egl-platforms=x11,drm,wayland \
    --with-vulkan-drivers=${VULKAN} \
    --disable-xvmc \
    --enable-gallium-llvm \
    --enable-llvm-shared-libs \
    --enable-shared-glapi \
    --disable-libglvnd \
    --enable-egl \
    --enable-glx \
    --enable-glx-tls \
    --enable-gles1 \
    --enable-gles2 \
    --enable-gbm \
    --enable-dri \
    --enable-gallium-osmesa \
    --enable-texture-float \
    --enable-xa \
    --enable-vdpau \
    --enable-omx \
    --enable-nine \
    --enable-opencl \
    --enable-opencl-icd \
    --enable-gallium-extra-hud \
    --enable-lmsensors \
    --with-clang-libdir=/usr/lib

  make

  # fake installation
  mkdir $srcdir/fakeinstall
  make DESTDIR=${srcdir}/fakeinstall install
}

package_opencl-mesa-vanilla() {
  pkgdesc="OpenCL support for AMD/ATI Radeon mesa drivers"
  depends=('mesa-vanilla' 'opencl-icd-loader' 'expat' 'libdrm' 'libelf' 'libclc' 'clang' 'lm_sensors')
  optdepends=('opencl-headers: headers necessary for OpenCL development')
  provides=('opencl-driver')
  conflicts=('opencl-mesa' 'opencl-nvidia' 'opencl-nvidia-340xx' 'opencl-nvidia-304xx' 'opencl-catalyst')
  replaces=('opencl-nvidia' 'opencl-nvidia-340xx' 'opencl-nvidia-304xx' 'opencl-catalyst')

  install -m755 -d ${pkgdir}/etc
  cp -rv ${srcdir}/fakeinstall/etc/OpenCL ${pkgdir}/etc/

  install -m755 -d ${pkgdir}/usr/lib/gallium-pipe
  cp -rv ${srcdir}/fakeinstall/usr/lib/libMesaOpenCL* ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/gallium-pipe/pipe_{r600,radeonsi}.so ${pkgdir}/usr/lib/gallium-pipe/

  install -m755 -d "${pkgdir}/usr/share/licenses/opencl-mesa"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/opencl-mesa/"
}

package_vulkan-intel-vanilla() {
  pkgdesc="Intel's Vulkan mesa driver"
  depends=('mesa-vanilla' 'wayland' 'libx11' 'libxshmfence')
  provides=('vulkan-driver')
  conflicts=('vulkan-intel')

  install -m755 -d ${pkgdir}/usr/share/vulkan/icd.d
  cp -rv ${srcdir}/fakeinstall/usr/share/vulkan/icd.d/intel_icd*.json ${pkgdir}/usr/share/vulkan/icd.d/

  install -m755 -d ${pkgdir}/usr/{include/vulkan,lib}
  cp -rv ${srcdir}/fakeinstall/usr/lib/libvulkan_intel.so ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/include/vulkan/vulkan_intel.h ${pkgdir}/usr/include/vulkan

  install -m755 -d "${pkgdir}/usr/share/licenses/vulkan-intel"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/vulkan-intel/"
}

package_vulkan-radeon-vanilla() {
  pkgdesc="Radeon's Vulkan mesa driver"
  depends=('mesa-vanilla' 'wayland' 'libx11' 'libxshmfence' 'libelf' 'libdrm' 'llvm-libs')
  provides=('vulkan-driver')
  conflicts=('vulkan-radeon')
 
  install -m755 -d ${pkgdir}/usr/share/vulkan/icd.d
  cp -rv ${srcdir}/fakeinstall/usr/share/vulkan/icd.d/radeon_icd*.json ${pkgdir}/usr/share/vulkan/icd.d/

  install -m755 -d ${pkgdir}/usr/lib
  cp -rv ${srcdir}/fakeinstall/usr/lib/libvulkan_radeon.so ${pkgdir}/usr/lib/

  install -m755 -d "${pkgdir}/usr/share/licenses/vulkan-radeon"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/vulkan-radeon/"
}

package_libva-mesa-driver-vanilla() {
  pkgdesc="VA-API implementation for gallium"
  depends=('mesa-vanilla' 'libdrm' 'libx11' 'llvm-libs' 'expat' 'libelf' 'libxshmfence' 'lm_sensors')
  conflicts=('libva-mesa-driver')

  install -m755 -d ${pkgdir}/usr/lib
  cp -rv ${srcdir}/fakeinstall/usr/lib/dri ${pkgdir}/usr/lib

  install -m755 -d "${pkgdir}/usr/share/licenses/libva-mesa-driver"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/libva-mesa-driver/"
}

package_mesa-vdpau-vanilla() {
  pkgdesc="Mesa VDPAU drivers"
  depends=('mesa-vanilla' 'libdrm' 'libx11' 'llvm-libs' 'expat' 'libelf' 'libxshmfence' 'lm_sensors')
  conflicts=('mesa-vdpau')

  install -m755 -d ${pkgdir}/usr/lib
  cp -rv ${srcdir}/fakeinstall/usr/lib/vdpau ${pkgdir}/usr/lib

  install -m755 -d "${pkgdir}/usr/share/licenses/mesa-vdpau"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/mesa-vdpau/"
}

package_mesa-vanilla() {
  pkgdesc="A free implementation of the OpenGL specification"
  depends=('libdrm' 'wayland' 'libxxf86vm' 'libxdamage' 'libxshmfence' 'libelf' 
           'libomxil-bellagio' 'libtxc_dxtn' 'llvm-libs' 'mesa-libgl-vanilla' 'lm_sensors')
  optdepends=('opengl-man-pages: for the OpenGL API man pages'
              'mesa-vdpau: for accelerated video playback'
              'libva-mesa-driver: for accelerated video playback')
  provides_x86_64=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                   'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri' 'opengl-driver')
  conflicts_x86_64=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                    'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri' 'mesa'
                    'nvidia-utils' 'nvidia-340xx-utils' 'nvidia-304xx-utils' 'catalyst-utils')
  replaces_x86_64=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                   'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri'
                   'nvidia-utils' 'nvidia-340xx-utils' 'nvidia-304xx-utils' 'catalyst-utils')
  provides_i686=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                 'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri' 'opengl-driver')
  conflicts_i686=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                  'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri' 'mesa'
                  'nvidia-utils' 'nvidia-340xx-utils' 'nvidia-304xx-utils' 'catalyst-utils')
  replaces_i686=('ati-dri' 'intel-dri' 'nouveau-dri' 'svga-dri'
                 'swrast-dri' 'virgl-dri' 'swr-dri' 'mesa-dri'
                 'nvidia-utils' 'nvidia-340xx-utils' 'nvidia-304xx-utils' 'catalyst-utils')
  provides_armv7h=('ati-dri' 'freedreno-dri' 'etnaviv-dri' 'imx-dri' 'nouveau-dri' 'svga-dri'
                   'swrast-dri' 'vc4-dri' 'virgl-dri' 'mesa-dri' 'opengl-driver')
  conflicts_armv7h=('ati-dri' 'freedreno-dri' 'etnaviv-dri' 'imx-dri' 'nouveau-dri' 'svga-dri'
                    'swrast-dri' 'vc4-dri' 'virgl-dri' 'mesa-dri' 'mesa'
                    'nvidia-utils' 'catalyst-utils')
  replaces_armv7h=('ati-dri' 'freedreno-dri' 'etnaviv-dri' 'imx-dri' 'nouveau-dri' 'svga-dri'
                   'swrast-dri' 'vc4-dri' 'virgl-dri' 'mesa-dri'
                   'nvidia-utils' 'catalyst-utils')

  install -m755 -d ${pkgdir}/etc
  cp -rv ${srcdir}/drirc ${pkgdir}/etc

  install -m755 -d ${pkgdir}/usr/lib/xorg/modules/dri
  # ati-dri, nouveau-dri, intel-dri, svga-dri, swrast
  cp -av ${srcdir}/fakeinstall/usr/lib/xorg/modules/dri/* ${pkgdir}/usr/lib/xorg/modules/dri

  cp -rv ${srcdir}/fakeinstall/usr/lib/bellagio  ${pkgdir}/usr/lib
  cp -rv ${srcdir}/fakeinstall/usr/lib/d3d  ${pkgdir}/usr/lib
  cp -rv ${srcdir}/fakeinstall/usr/lib/lib{gbm,glapi}.so* ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/libOSMesa.so* ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/libwayland*.so* ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/libxatracker.so* ${pkgdir}/usr/lib/

  cp -rv ${srcdir}/fakeinstall/usr/include ${pkgdir}/usr
  cp -rv ${srcdir}/fakeinstall/usr/lib/pkgconfig ${pkgdir}/usr/lib/

  # remove vulkan headers
  rm -rf ${pkgdir}/usr/include/vulkan

  install -m755 -d "${pkgdir}/usr/share/licenses/mesa"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/mesa/"
}

package_mesa-libgl-vanilla() {
  pkgdesc="Mesa 3-D graphics library"
  depends=('libdrm' 'libxdamage' 'libxshmfence' 'libxxf86vm' 'wayland')
  provides=('libgl' 'libegl' 'libgles' 'mesa-libgl' 'libglvnd')
  conflicts=('mesa-libgl' 'libglvnd' 'nvidia-libgl' 'nvidia-340xx-libgl' 'nvidia-304xx-libgl' 'nvidia-cg-toolkit' 'catalyst-libgl')
  replaces=('nvidia-libgl' 'nvidia-340xx-libgl' 'nvidia-304xx-libgl' 'nvidia-cg-toolkit' 'catalyst-libgl')

  install -m755 -d "${pkgdir}/usr/lib/"
  cp -rv ${srcdir}/fakeinstall/usr/lib/libGL.so*        ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/libEGL.so*       ${pkgdir}/usr/lib/
  cp -rv ${srcdir}/fakeinstall/usr/lib/libGLES*.so*     ${pkgdir}/usr/lib/

  install -m755 -d "${pkgdir}/usr/share/licenses/mesa-libgl"
  install -m644 "${srcdir}/LICENSE" "${pkgdir}/usr/share/licenses/mesa-libgl/"
}