%global     plugdir     %{buildroot}%{_libdir}/usd/plugin

# Enable Cuda Build
%bcond cuda     1

Name:           cycles
Version:        4.3.0
Release:        %autorelease
Summary:        The Cycles Render Engine
License:        Apache-2.0
URL:            https://www.cycles-renderer.org/
Source0:        https://projects.blender.org/blender/cycles/archive/main.tar.gz

BuildRequires:  cmake >= 3.10
BuildRequires:  gcc-c++
BuildRequires:  chrpath

BuildRequires:  usd-devel
BuildRequires:  python3-devel
BuildRequires:  imath-devel
BuildRequires:  cmake(pugixml)
BuildRequires:  openjpeg-devel
BuildRequires:  libtiff-devel
BuildRequires:  libpng-devel
BuildRequires:  cmake(OpenJPEG)
BuildRequires:  cmake(OpenImageDenoise)
BuildRequires:  libepoxy-devel
BuildRequires:  cmake(SDL2)
BuildRequires:  openshadinglanguage-common-headers

Patch:          usd-monolithic.patch

%if %{with cuda}
BuildRequires:  nvidia-sdk-optix
%endif

%description
Cycles is a path tracing renderer focused on interactivity and ease of use, while supporting many production features.

%package -n     usd-hdcycles
Summary:        Cycles Hydra Delegate
Requires:       cycles%{?_isa}   = %{version}-%{release}
Requires:       usd

# Needed by USD
BuildRequires:  tbb2020.3-devel
BuildRequires:  cmake(Alembic)
BuildRequires:  hdf5-devel
BuildRequires:  draco-devel
BuildRequires:  openshadinglanguage
BuildRequires:  pkgconfig(oslexec)
BuildRequires:  cmake(OpenImageIO)
BuildRequires:  libX11-devel
BuildRequires:  libglvnd-devel
BuildRequires:  opensubdiv-devel
BuildRequires:  openvdb-devel
BuildRequires:  pkgconfig(ptex)
BuildRequires:  cmake(OpenColorIO)
BuildRequires:  embree-devel
BuildRequires:  double-conversion-devel
BuildRequires:  pkgconfig(liblz4)
BuildRequires:  pkgconfig(libavif)

%description -n usd-hdcycles
Cycles Hydra Delegate


%prep
%autosetup -p1 -n %{name}-main

rm -r lib
# curl -L https://projects.blender.org/blender/cycles/pulls/1.patch | patch -p1
sed -i 's|find_package(OptiX 7.3.0)|find_package(OptiX 8.0.0)|g' \
    src/CMakeLists.txt
sed -i 's|"$ENV{PROGRAMDATA}/NVIDIA Corporation/OptiX SDK 7.3.0"|"$ENV{PROGRAMDATA}/NVIDIA Corporation/OptiX SDK 8.0.0"|g' \
    src/cmake/Modules/FindOptiX.cmake
sed -i 's|0|99|g' \
    src/hydra/resources/plugInfo.json


%build
%if %{with cuda}
export NVCC_PREPEND_FLAGS='-allow-unsupported-compiler'
%endif
%cmake \
    -DWITH_CYCLES_STANDALONE_GUI=ON \
    -DWITH_CYCLES_OSL=ON \
    -DOPTIX_INCLUDE_DIR=/usr/include/optix \
    -DWITH_CYCLES_CUDA_BINARIES=OFF \
    -DCMAKE_SKIP_INSTALL_RPATH=YES \
    -DWITH_CYCLES_NANOVDB=OFF \
    -DWITH_CYCLES_HYDRA_RENDER_DELEGATE=ON \
    -DWITH_CYCLES_USD=ON \
    -DPXR_ROOT=/usr \
    -DBUILD_SHARED_LIBS=OFF \
    -DPYTHON_VERSION=%{python3_version}
%cmake_build


%install
%cmake_install

chrpath --delete %{buildroot}/usr/hydra/hdCycles.so

mkdir -p %{buildroot}%{_bindir}
mv %{buildroot}/usr/cycles %{buildroot}%{_bindir}

mkdir -p %{buildroot}%{_libdir}/usd/plugin
mv %{buildroot}/usr/hydra/* %{buildroot}%{_libdir}/usd/plugin

mkdir -p %{buildroot}/usr/share/licenses/%{name}
mv %{buildroot}/usr/license/* %{buildroot}/usr/share/licenses/%{name}

mkdir -p %{buildroot}%{_libdir}/%{name}
mv %{buildroot}/usr/shader %{buildroot}%{_libdir}/%{name}

mkdir -p %{buildroot}%{_includedir}/%{name}
mv %{buildroot}/usr/source/* %{buildroot}%{_includedir}/%{name}


%files
/usr/share/licenses/%{name}
%{_bindir}/cycles
%{_libdir}/cycles
%{_includedir}/%{name}

%files -n usd-hdcycles
%{_libdir}/usd


%changelog
%autochangelog