%undefine __cmake_in_source_build
%bcond          conan 0

Name:           luxcorerender
Version:        2.10.1
Release:        %autorelease
Summary:        Physically based unbiased rendering system

License:        Apache-2.0
URL:            https://luxcorerender.org/
Source0:        https://github.com/%{name}/LuxCore/archive/wheels-v%{version}%{?prerelease}/%{name}-%{version}.tar.gz
Source1:        https://github.com/%{name}/BlendLuxCore/archive/v%{version}%{?prerelease}/blendluxcore-%{version}.tar.gz
Source3:        org.%{name}.blendluxcore.metainfo.xml

# Essential system integration patch
#Patch3:         LuxCore-system-bcd.patch

ExclusiveArch:  x86_64

BuildRequires:  cmake
BuildRequires:  gcc-c++
%if %{with conan}
BuildRequires:  conan
%endif
BuildRequires:  pybind11-devel
BuildRequires:  blender-rpm-macros
# Upstream currently lacks compatibility with minizip-ng
BuildRequires:  pkgconfig(minizip)
BuildRequires:  pkgconfig(libzstd)

# Core rendering dependencies
BuildRequires:  bcd-devel
BuildRequires:  boost-devel
BuildRequires:  embree-devel
BuildRequires:  OpenImageIO-iv
BuildRequires:  OpenImageIO-utils
BuildRequires:  openvdb-devel
BuildRequires:  oidn-devel
BuildRequires:  pkgconfig(blosc2)
BuildRequires:  pkgconfig(bzip2)
BuildRequires:  pkgconfig(liblzma)
BuildRequires:	pkgconfig(libpng)
BuildRequires:	pkgconfig(openssl)
BuildRequires:  pkgconfig(tbb)
BuildRequires:  pkgconfig(glfw3)
BuildRequires:  pkgconfig(spdlog)
BuildRequires:  cmake(OpenColorIO)
BuildRequires:  cmake(OpenImageIO) < 3.0
BuildRequires:  pkgconfig(python3)
BuildRequires:  pkgconfig(spdlog)
BuildRequires:  pkgconfig(tbb)
BuildRequires:  pkgconfig(yaml-cpp)
BuildRequires:  python3dist(pillow)
%{!?_without_opencl:
BuildRequires:  pkgconfig(OpenCL)
}

Requires:       %{name}-core = %{version}-%{release}
Obsoletes:      LuxRender < 2.0
Provides:       LuxRender = 2.0

%description
LuxCoreRender implements state-of-the-art light transport algorithms for 
photorealistic rendering. Features hybrid CPU/GPU acceleration, 
spectral rendering, and advanced material modeling.

%package core
Summary:        Core runtime components
Obsoletes:      LuxRender-core < 2.0

%description core
Contains the main rendering engine and essential libraries for scene processing 
and light simulation.

%package -n blender-%{name}
Summary:        Blender 4.2+ integration plugin
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description -n blender-%{name}
Blender extension for exporting scenes and materials to LuxCore Renderer. 
Supports Cycles material conversion and interactive rendering.

%package devel
Summary:        Development headers and libraries
Requires:       %{name}-core%{?_isa} = %{version}-%{release}

%description devel
Header files and build configuration for developing LuxCore-based applications.

%prep
%autosetup -p1 -a1 -n LuxCore-wheels-v%{version}

%generate_buildrequires
#%%pyproject_buildrequires

%build
%cmake \
    -DBUILD_SHARED_LIBS=ON \
    -DCMAKE_CXX_STANDARD=20 \
    -DLUXCOREDEPS_VERSION=0 \
    -DPYLUXCORE_BINDINGS=ON \
    -Dc-blosc_DIR=%{_libdir} \
    -Dzstd_DIR=%{_libdir}
%cmake_build

%install
pushd %{_vpath_builddir}
mkdir -p %{buildroot}%{_bindir}
mkdir -p %{buildroot}%{_datadir}/%{name}
mkdir -p %{buildroot}%{_libdir}
mkdir -p %{buildroot}%{_includedir}
        
install -Dpm 0755 bin/* %{buildroot}%{_bindir}/
install -Dpm 0755 lib/*.{a,so*} %{buildroot}%{_libdir}/
        
# Remove rpaths
chrpath --delete %{buildroot}%{_bindir}/*
chrpath --delete %{buildroot}%{_libdir}/*.so*
        
# Install include files
cp -pr generated/include/{luxcore,luxrays} %{buildroot}%{_includedir} #cfg.h
popd
cp -pr include/{luxcore,luxrays} %{buildroot}%{_includedir}/
rm %{buildroot}%{_includedir}/{luxcore,luxrays}/cfg.h.in
        
# Relocate pyluxcore
mkdir -p %{buildroot}%{python3_sitearch}
mv %{buildroot}%{_libdir}/pyluxcore.so %{buildroot}%{python3_sitearch}

# Import add-ons and preset
mkdir -p %{buildroot}%{blender_extensions}/%{name}
cp -a BlendLuxCore-blendluxcore_v%{version}/* %{buildroot}%{blender_extensions}/%{name}
install -Dpm 644 %{SOURCE3} %{buildroot}%{_metainfodir}/org.%{name}.blendluxcore.metainfo.xml

%check
appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.xml

%files
%license LICENSE
%doc README.md AUTHORS

%files core
%{_bindir}/luxcore*
%{_libdir}/liblux*.so.*

%files -n blender-%{name}
%{_metainfodir}/org.%{name}.*.xml
/%{blender_extensions}/%{name}

%files devel
%{_includedir}/{luxcore,luxrays}
%{_libdir}/pkgconfig/*.pc

%changelog
%autochangelog