#!/hint/bash
# Maintainer : bartus <arch-user-repoᘓbartus.33mail.com>

# Configuration
# shellcheck disable=SC2015
((DISABLE_OPENCL)) && {
  CMAKE_FLAGS+=("-DLUXRAYS_DISABLE_OPENCL=ON")
} || {
  depends+=(opencl-icd-loader)
  makedepends+=(opencl-headers)
  optdepends+=("opencl-driver: for gpu acceleration")
}
# shellcheck disable=SC2015
((DISABLE_CUDA||DISABLE_OPENCL)) && {
  CMAKE_FLAGS+=("-DLUXRAYS_DISABLE_CUDA=ON")
} || {
  makedepends+=(cuda-sdk)
}

pkgname=luxcorerender
pkgver=2.7
_rel="beta1"
[ -n "${_rel}" ] && _pkgver=${pkgver}${_rel} && pkgver+=".${_rel}" || _pkgver=${pkgver}
_name=LuxCore-${pkgname}_v${_pkgver}
pkgrel=2
epoch=2
pkgdesc="Physically correct, unbiased rendering engine."
arch=('x86_64')
url="https://www.luxcorerender.org/"
license=('Apache')
depends+=(blosc boost-libs embree3 glfw gtk3 openimagedenoise openimageio openvdb python spdlog)
optdepends+=("pyside2: for pyluxcoretools gui")
makedepends+=(boost cmake doxygen git ninja pyside2-tools)
provides=(luxrays)
options=('!lto')
source=("https://github.com/LuxCoreRender/LuxCore/archive/${pkgname}_v${_pkgver}.tar.gz"
        "0001-cxx-version.patch"
        "0002-silence-compiler-warnings.patch"
        "0003-silence-preprocessing.patch"
        "0004-glfw.patch"
        "0005-boost107400.patch"
        "0006-python.patch"
        "0007-cpplib.patch"
        "0008-clang-isnan-isinf.patch"
        "0009-openexr3.patch"
        "0010-openvdb.patch"
        "0011-openimageio.patch"
        "0012-opencolorio.patch"
        "0013-boost179-fstream.patch"
        "0014-spdlog.patch"
        )
sha256sums=('24adaf0da781921ed18c2aee55468ee94138db023e5cff95a5ede0fb394f8c09'
            'd3e0c4f74341746bf271efa6a62f3f0e2a72072afd86c032a9a5a1a565cf28f0'
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            'e2034c00d456cf04843f84ee36eca991498a9580d52d15fafebe63f61642afb2'
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            'ca46c01fbe2183916e20e990c23991148e878e401cec6d9ddabf7aa6bfdc6933')
b2sums=('0f6203610dbef2fd2d43c6465502459337eb99da00b494d7bfcab245b8fdb3d9f9179018e6d9b2f927024f6a21fba4d5cfb51e9e14049d1a56ce8aabaea2312d'
        '2b8c411347c4b27b21cddf7f4543beeaa229968e95f59f762b872264afd23cb5cea8074bd606b8e56df1a84473ada13720f8fb097fcfb80303495a89ed9052ef'
        '97302dc99edebe5f35d5d469b2a2a9172eb7357248fb2bcc4510507de59a4d1db32cbfaf18acbba29b5046011615f57eb6ab322346560ec2777172c6b08a30b9'
        'c951ce3d6172c0a916c13fa53c682336a74d229c6e903f26c40f7a6e91a6b3ff54241178f85e4945d621210d23f54503b95e69d0f05e40246165eb23422aafb9'
        '88e40b301961daef2e493b71cbd497aeb63035e9ed1ff2078c98c6a2c0e17f7c23a712905cd335ad3cc518b7b53b503441b261bc04ee6a27cb8531f74ec019f8'
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        '6ebaf49099a78adb59c0f9c601410529b8709377ec1c6eacf9510bdf5fba5027cdd81bae6422425cceab6ee1ebb4709a3edf9d818fcce2a5b475e009153a7842'
        'f56cec862ace8a1499a1a718f3c88488661b7d683d4e9bafc027d20fcb6542ce91a70f11ad46dd7a5ad0e61f2cd8dff6247617ad8d51b378e96fdc5e0c1ae94a'
        '78333747e508f28293c85175e0f9d0624b8303c1f4f5491304e79c3dbc104fedf4eaac9065f0876a968d379898eb5810cd802350adae44de5f44673b0949f1ba'
        '5e59c732a417775984cd85755b7a1810b33fb8a09cb3a8542c048958e7788d1aac3ecef5f28266278ca6444e1f59421b1d167a305eda9e70c0ae62155c01274b')

prepare() {
  for patch in "${srcdir}"/*.patch; do
    msg2  "apply $patch..."
    patch -Np1 -d "${srcdir}"/${_name} -i "$patch"
  done
}

build() {
  _pyver=$(python -c "from sys import version_info; print(\"%d%d\" % (version_info.major,version_info.minor))")
  CMAKE_FLAGS+=("-DPYTHON_V=${_pyver}")
  CMAKE_FLAGS+=("-DCMAKE_BUILD_TYPE=Release")
  cmake "${CMAKE_FLAGS[@]}" -S "${srcdir}"/${_name} -B build -G Ninja
# shellcheck disable=SC2086
  ninja $(grep -oP -- '-+[A-z]+ ?[0-9]*'<<<"${MAKEFLAGS:--j1}") -C "${srcdir}/build"
}

package() {
  cd "${srcdir}"/build

  install -d -m755 "${pkgdir}"/usr/{bin,include,lib}
  install -m755 bin/* "${pkgdir}"/usr/bin
  install -m644 lib/* "${pkgdir}"/usr/lib
  cp -a "${srcdir}"/${_name}/include "${pkgdir}"/usr
  for file in "${pkgdir}"/usr/include/*/*.in; do mv "$file" "${file%.in}"; done

  # install pyluxcore to the Python search path
  #  _pypath=`pacman -Ql python | sed -n '/\/usr\/lib\/python[^\/]*\/$/p' | cut -d" " -f 2`
  _pypath=$(python -c 'from sys import version_info;print("/usr/lib/python{}.{}".format(version_info.major,version_info.minor))')
  install -d -m755 "${pkgdir}/${_pypath}"
  mv "${pkgdir}"/usr/lib/pyluxcore.so "${pkgdir}/${_pypath}"
}
# vim:set ts=2 sw=2 et: