%global forgeurl        https://github.com/dreamworksanimation
%global cmodver         1.0.0.5

# Core Dump Fix
%global optflags %(echo '%optflags' | sed s/-Wp,-D_GLIBCXX_ASSERTIONS//)

# CUDA/Optix Support
%bcond gpu      0
%bcond tests    1

Name:           moonray
Version:        16.36.0.0
Release:        %{autorelease}
Summary:        MoonRay render engine and the moonray command-line renderer

License:        Apache-2.0
URL:            https://openmoonray.org/
Source0:        %{forgeurl}/%{name}/archive/refs/tags/%{name}-%{version}.tar.gz
Source1:        %{forgeurl}/cmake_modules/archive/refs/tags/cmake_modules-%{cmodver}.tar.gz

Patch0:         %{name}-includes.patch
Patch1:         %{name}-tbb.patch
%if %{with gpu}
Patch2:         %{name}-optix.patch
%endif

BuildRequires:  cmake >= 3.23.1
BuildRequires:  gcc-c++
BuildRequires:  ispc
BuildRequires:  libatomic
BuildRequires:  bison
BuildRequires:  flex
BuildRequires:  openvdb-devel
BuildRequires:  cppunit-devel
BuildRequires:  boost-devel
BuildRequires:  pkgconfig(zlib)
BuildRequires:  pkgconfig(libjpeg)
BuildRequires:  OpenEXR
BuildRequires:  pkgconfig(OpenEXR)
BuildRequires:  cmake(OpenSubdiv)
BuildRequires:  cmake(embree)
BuildRequires:  Random123-devel
BuildRequires:  cmake(OpenImageIO)
BuildRequires:  tbb-devel
%if %{with gpu}
BuildRequires:  nvidia-sdk-optix >= 8.0.0
BuildRequires:  cuda-nvcc
%endif

BuildRequires:  cmake(McrtDenoise) = 5.22.0.0
BuildRequires:  cmake(SceneRdl2) = 14.22.0.0
Provides:       Moonray = %{version}

%description
MoonRay render engine and the moonray command-line renderer. The code is comprised of roughly 20 libraries.


%package        devel
Summary:        Development files for %{name}
Requires:       %{name}%{?_isa} = %{version}-%{release}

Requires:       boost-devel
%if %{with gpu}
Requires:  nvidia-sdk-optix >= 8.0.0
%endif
Requires:       libatomic
Requires:       openvdb-devel
Requires:       pkgconfig(zlib)
Requires:       pkgconfig(libjpeg)
Requires:       OpenEXR
Requires:       pkgconfig(OpenEXR)
Requires:       cmake(OpenSubdiv)
Requires:       cmake(embree)
Requires:       Random123-devel
Requires:       cmake(OpenImageIO)
Requires:       tbb-devel
Requires:       tbb-devel

Requires:       cmake(McrtDenoise) = 5.22.0.0
Requires:       cmake(SceneRdl2) = 14.22.0.0

%description    devel
The %{name}-devel package contains libraries and header files of %{name}, required to build other parts of OpenMoonRay.


%prep
%autosetup -p1 -n %{name}-%{name}-%{version}
mkdir -p cmake_modules
tar -xzf %{SOURCE1} --strip-components=1 -C $_

# Restructure
sed -i 's|\bshaders\b|${CMAKE_INSTALL_LIBDIR}/openmoonray/shaders|g' \
        lib/rendering/rt/CMakeLists.txt
sed -i 's|/shaders|%{_libdir}/openmoonray/shaders|g' \
        lib/rendering/rt/gpu/optix/OptixGPUAccelerator.cc
sed -i 's|rdl2dso)|%{_libdir}/openmoonray/rdl2dso)|g' \
        CMakeLists.txt
sed -i 's|${COMPILER_LIBRARY_DIR}|%{_libdir}|g' \
        CMakeLists.txt
sed -i 's|\bcoredata\b|%{_libdir}/openmoonray/coredata|g' \
        cmake_modules/cmake/MoonrayDso.cmake

%build
%if %{with gpu}
export NVCC_PREPEND_FLAGS='-allow-unsupported-compiler'
%endif
CMAKE_MODULES_ROOT=%{_builddir}/%{buildsubdir}/cmake_modules \
ARRAS_SESSION_PATH=%{_libdir}/openmoonray/sessions \
%cmake \
    -DCMAKE_MODULE_PATH=${CMAKE_MODULES_ROOT}/cmake \
    -DBUILD_TESTING=%{expr:%{with tests}?"ON":"OFF"} \
    -DCMAKE_EXE_LINKER_FLAGS:STRING='-Wl,-O1,--sort-common,-z,relro,-z,now' \
%if %{with gpu}
    -DOptiX_INCLUDE_DIRS=/usr/include/optix \
    -DCMAKE_CUDA_COMPILER=%{_bindir}/nvcc \
    -DCMAKE_CUDA_FLAGS="-Xcompiler -fPIC" \
%endif
    -DMOONRAY_USE_OPTIX=%{expr:%{with gpu}?"ON":"OFF"}
%cmake_build


%install
%cmake_install

# List shaders. It will be used to remove the generated json files on post-uninstall scriptlet.
ls %{buildroot}%{_libdir}/openmoonray/rdl2dso \
    | grep -v '\.proxy$' \
    | sed 's/\.[^.]*$/.json/' \
    > %{buildroot}%{_libdir}/openmoonray/%{name}_shaders.txt


%post
# Build shader class descriptions
RDL2_DSO_PATH=%{_libdir}/openmoonray/rdl2dso \
%{_bindir}/rdl2_json_exporter --rdl2_version "14.22.0.0" --moonray_version "16.36.0.0" --out %{_libdir}/openmoonray/shader_json/ --sparse

%preun
cd %{_libdir}/openmoonray/shader_json
xargs rm < %{_libdir}/openmoonray/%{name}_shaders.txt
find %{_libdir}/openmoonray -maxdepth 0 -type d -empty -exec rmdir {} \;


%files
%license LICENSE
%{_bindir}/{denoise,moonray}
%{_libdir}/lib{application,bvh_shading_ispc,deepfile,grid_engine_tool,map_primvar,statistics,texturing_sampler}.so
%{_libdir}/libcommon_{file_resource,mcrt_util}.so
%{_libdir}/librendering_{bvh_shading,displayfilter,geom,lpe,mcrt_common,pbr,rndr,rt,shading}.so
%{_libdir}/libshading_{eval_ispc,ispc}.so
%{_libdir}/openmoonray/{rdl2dso,coredata}
%if %{with gpu}
%{_libdir}/openmoonray/shaders/OptixGPUPrograms.ptx
%endif

%files devel
%{_includedir}/%{name}
%{_libdir}/cmake/Moonray-%(echo %{version} | sed 's/\(.*\)\.[0-9]*$/\1/').0


%changelog
%autochangelog