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

%bcond tests    1

Name:           moonshine
Version:        13.36.0.0
Release:        %{autorelease}
Summary:        Moonray Shaders

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}-ispc-ambiguous.patch

BuildRequires:  cmake >= 3.23.1
BuildRequires:  gcc-c++
BuildRequires:  ispc
BuildRequires:  python3
BuildRequires:  cppunit-devel
BuildRequires:  tbb-devel
BuildRequires:  cmake(OpenImageIO)

BuildRequires:  cmake(Moonray) = 16.36.0.0
BuildRequires:  cmake(SceneRdl2) = 14.22.0.0

Requires:       Moonray = 16.36.0.0
Requires:       SceneRdl2 = 14.22.0.0
Provides:       Moonshine = %{version}

%description
Shaders and procedurals for MoonRay


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

Requires:       cppunit-devel
Requires:       tbb-devel
Requires:       cmake(OpenImageIO)
Requires:       cmake(Moonray) = 16.36.0.0
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|\bcoredata\b|%{_libdir}/openmoonray/coredata|g' \
        cmake_modules/cmake/MoonrayDso.cmake
sed -i 's|rdl2dso)|%{_libdir}/openmoonray/rdl2dso)|g' \
        CMakeLists.txt


%build
ARRAS_SESSION_PATH=%{_libdir}/openmoonray/sessions \
%cmake \
    -DCMAKE_MODULE_PATH=%{_builddir}/%{buildsubdir}/cmake_modules/cmake \
    -DBUILD_TESTING=%{expr:%{with tests}?"ON":"OFF"} \
    -DMOONRAY_USE_OPTIX=OFF \
    -DCMAKE_EXE_LINKER_FLAGS:STRING='-Wl,-O1,--sort-common,-z,relro,-z,now'
%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
%{_libdir}/libcommon_{interpolation,noise}.so
%{_libdir}/lib{geometry_data,map_projection}.so
%{_libdir}/libmaterial_{dwabase,glitter}.so
%{_libdir}/openmoonray/{coredata,rdl2dso}
%{_libdir}/openmoonray/%{name}_shaders.txt

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


%changelog
%autochangelog