# Maintainer:  Jonathon Fernyhough <jonathon+m2x+dev>
# Contributor: Sven-Hendrik Haase <svenstaro@gmail.com>
# Contributor: Thomas Baechler <thomas@archlinux.org>
# Contributor: James Rayner <iphitus@gmail.com>

_pkgbasename=nvidia-470xx-utils
pkgbase=lib32-$_pkgbasename
pkgname=('lib32-nvidia-470xx-utils' 'lib32-opencl-nvidia-470xx')
pkgver=470.256.02
pkgrel=1
arch=('x86_64')
url="http://www.nvidia.com/"
#makedepends=('nvidia-libgl')  # To avoid conflict during installation in the build chroot
license=('custom')
options=('!strip')
_pkg="NVIDIA-Linux-x86_64-${pkgver}"
source=("https://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/${_pkg}.run")
sha512sums=('a837946dd24d7945c1962a695f1f31965f3ceb6927f52cd08fd51b8db138b7a888bbeab69243f5c8468a7bd7ccd47f5dbdb48a1ca81264866c1ebb7d88628f88')

create_links() {
  # create soname links
  for _lib in $(find "${pkgdir}" -name '*.so*' | grep -v 'xorg/'); do
    _soname=$(dirname "${_lib}")/$(readelf -d "${_lib}" | grep -Po 'SONAME.*: \[\K[^]]*' || true)
    _base=$(echo ${_soname} | sed -r 's/(.*).so.*/\1.so/')
    [[ -e "${_soname}" ]] || ln -s $(basename "${_lib}") "${_soname}"
    [[ -e "${_base}" ]] || ln -s $(basename "${_soname}") "${_base}"
  done
}

build() {
  sh ${_pkg}.run --extract-only
}

package_lib32-opencl-nvidia-470xx() {
  pkgdesc="OpenCL implemention for NVIDIA (32-bit)"
  depends=('lib32-zlib' 'lib32-gcc-libs')
  conflicts=('lib32-opencl-nvidia')
  optdepends=('opencl-headers: headers necessary for OpenCL development')
  provides=('lib32-opencl-driver' 'lib32-opencl-nvidia')

  cd "${_pkg}"/32

  # OpenCL
  install -D -m755 "libnvidia-compiler.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-compiler.so.${pkgver}"
  install -D -m755 "libnvidia-opencl.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-opencl.so.${pkgver}"

  create_links

  mkdir -p "${pkgdir}/usr/share/licenses"
  ln -s $_pkgbasename "${pkgdir}/usr/share/licenses/lib32-opencl-nvidia"
}

package_lib32-nvidia-470xx-utils() {
  pkgdesc="NVIDIA drivers utilities (32-bit)"
  depends=('lib32-zlib' 'lib32-gcc-libs' 'lib32-libglvnd' 'nvidia-470xx-utils')
  optdepends=('lib32-opencl-nvidia-470xx')
  conflicts=('lib32-nvidia-libgl' 'lib32-nvidia-utils')
  provides=('lib32-vulkan-driver' 'lib32-opengl-driver' 'lib32-nvidia-470xx-libgl' 'lib32-nvidia-utils')

  cd "${_pkg}"/32

  # Check http://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/README/installedcomponents.html
  # for hints on what needs to be installed where.

  install -D -m755 "libGLX_nvidia.so.${pkgver}" "${pkgdir}/usr/lib32/libGLX_nvidia.so.${pkgver}"

  # OpenGL libraries
  install -D -m755 "libEGL_nvidia.so.${pkgver}" "${pkgdir}/usr/lib32/libEGL_nvidia.so.${pkgver}"
  install -D -m755 "libGLESv1_CM_nvidia.so.${pkgver}" "${pkgdir}/usr/lib32/libGLESv1_CM_nvidia.so.${pkgver}"
  install -D -m755 "libGLESv2_nvidia.so.${pkgver}" "${pkgdir}/usr/lib32/libGLESv2_nvidia.so.${pkgver}"

  # OpenGL core library
  install -D -m755 "libnvidia-glcore.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-glcore.so.${pkgver}"
  install -D -m755 "libnvidia-eglcore.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-eglcore.so.${pkgver}"
  install -D -m755 "libnvidia-glsi.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-glsi.so.${pkgver}"

  # misc
  install -D -m755 "libnvidia-ifr.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-ifr.so.${pkgver}"
  install -D -m755 "libnvidia-fbc.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-fbc.so.${pkgver}"
  install -D -m755 "libnvidia-encode.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-encode.so.${pkgver}"
  install -D -m755 "libnvidia-ml.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-ml.so.${pkgver}"
  install -D -m755 "libnvidia-glvkspirv.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-glvkspirv.so.${pkgver}"
  install -D -m755 "libnvidia-allocator.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-allocator.so.${pkgver}"

  # VDPAU
  install -D -m755 "libvdpau_nvidia.so.${pkgver}" "${pkgdir}/usr/lib32/vdpau/libvdpau_nvidia.so.${pkgver}"

  # nvidia-tls library
  install -D -m755 "libnvidia-tls.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-tls.so.${pkgver}"

  # CUDA
  install -D -m755 "libcuda.so.${pkgver}" "${pkgdir}/usr/lib32/libcuda.so.${pkgver}"
  install -D -m755 "libnvcuvid.so.${pkgver}" "${pkgdir}/usr/lib32/libnvcuvid.so.${pkgver}"

  # PTX JIT Compiler (Parallel Thread Execution (PTX) is a pseudo-assembly language for CUDA)
  install -D -m755 "libnvidia-ptxjitcompiler.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-ptxjitcompiler.so.${pkgver}"

  # Optical flow
  install -D -m755 "libnvidia-opticalflow.so.${pkgver}" "${pkgdir}/usr/lib32/libnvidia-opticalflow.so.${pkgver}"

  create_links

  rm -rf "${pkgdir}"/usr/{include,share,bin}
  mkdir -p "${pkgdir}/usr/share/licenses"
  ln -s $_pkgbasename "${pkgdir}/usr/share/licenses/${pkgname}"
}
