# Conditional build options (1=enabled by default)
%bcond          openimageio 1  # OIIO plugin support
%bcond          python      1  # Python bindings
%bcond          viewer      0  # Graphical viewer

Name:           materialx
Version:        1.39.4
Release:        %autorelease
Summary:        Vendor-neutral specification for 3D material interchange

# All software under Apache 2.0 License expect the following 
# Boost Software License 1.0 for Catch
# BSD 3-Clause License for geglsl, genosl and PyBind11
# ISC License for MaterialXTest and MaterialXView
# Khronos License (MIT-Khronos-old) for Glad within MaterialXRenderGlsl
# MIT License for Cgltf, PugiXML and TinyObjLoader
# Zlib License for Glfw within MaterialXGraphEditor
License:        %{shrink:
                MIT AND 
                Apache-2.0 AND
                BSD-3-Clause AND
                BSD-4-Clause AND
                BSL-1.0 AND
                CC0-1.0 AND
                ISC AND
                MIT-Khronos-old AND
                Zlib
                }
URL:            https://materialx.org/
Source0:        https://github.com/AcademySoftwareFoundation/MaterialX/releases/download/v%{version}/MaterialX-%{version}.tar.gz

#========================================
# Build Requirements
#========================================

# Core toolchain
BuildRequires:  gcc-c++
BuildRequires:  cmake
BuildRequires:  help2man
BuildRequires:  ninja-build
BuildRequires:  pkgconfig

# Graphics dependencies
BuildRequires:  pkgconfig(catch2)
BuildRequires:  pkgconfig(gl)
BuildRequires:  pkgconfig(glfw3)
BuildRequires:  pkgconfig(oslcomp)
BuildRequires:  pkgconfig(wayland-client) >= 0.2.7
BuildRequires:  pkgconfig(wayland-protocols) >= 1.15
BuildRequires:  pkgconfig(xkbcommon)
BuildRequires:  pkgconfig(xrandr)
BuildRequires:  pkgconfig(xcursor)
BuildRequires:  pkgconfig(xi)
BuildRequires:  pkgconfig(xt)
# Optional components
%if %{with openimageio}
BuildRequires:  pkgconfig(OpenImageIO)
%endif

%if %{with python}
BuildRequires:  python3-devel
BuildRequires:  pkgconfig(pybind11)
%endif

# Viewer needs access to upstream git submodule
%if %{with viewer}
BuildRequires:  desktop-file-utils
BuildRequires:  hicolor-icon-theme
%endif

# Only 64-bits architectures supported
ExcludeArch: %{ix86} %{arm}

#========================================
# Package Definitions
#========================================

%description 
Physically-based material interchange specification for 3D rendering workflows.

%package data
Summary:        MaterialX standard libraries and resources
License:        Apache-2.0
BuildArch:      noarch
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description data
Standard libraries and resources for MaterialX.

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

%description devel
Development files for building applications using MaterialX.

%if %{with python}
%package -n python3-%{name}
Summary:        Python 3 bindings for MaterialX
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description -n python3-%{name}
Python bindings for MaterialX material standard.
%endif

%if %{with viewer}
%package viewer
Summary:        MaterialX graphical viewer
Requires:       %{name}%{?_isa} = %{version}-%{release}

%description viewer
Interactive viewer for MaterialX materials.
%endif

#========================================
# Build Preparation
#========================================

%prep
%autosetup -p1 -n MaterialX-%{version}

# Standardize installation paths
find source -type f \( -name '*.cpp' -o -name '*.h' -o -name 'CMakeLists.txt' \) \
    -exec sed -i \
        -e 's|resources|%{_datadir}/%{name}/resources|g' \
        -e 's|"libraries"|"%{_datadir}/%{name}"|g' {} +

# Remove bundled assets
find . -type f \( -name '*.tt[cf]' -o -name '*.ot[cf]' -o -name '*.woff*' \) -delete

# Change non-writable destination for setup.py.tmp
sed -i 's|CMAKE_INSTALL_PREFIX|CMAKE_BINARY_DIR|g' \
    python/CMakeLists.txt

# Fix executable
%py3_shebang_fix .

#========================================
# Build Configuration
#========================================

%build
%cmake \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DCMAKE_SKIP_INSTALL_RPATH=ON \
    -DMATERIALX_BUILD_SHARED_LIBS=ON \
    -DMATERIALX_BUILD_TESTS=OFF \
%if %{with viewer}
    -DMATERIALX_BUILD_VIEWER=ON \
    -DMATERIALX_BUILD_GRAPH_EDITOR=ON \
%endif
%if %{with python}
    -DMATERIALX_BUILD_PYTHON=ON \
    -DMATERIALX_PYTHON_FOLDER_NAME=%{python3_sitelib}/%{name} \
    -DPYTHON_EXECUTABLE=%{__python3} \
%endif
    -DMATERIALX_INSTALL_LIB_PATH=%{_libdir} \
    -DMATERIALX_INSTALL_STDLIB_PATH=%{_datadir}/%{name}

%cmake_build

#========================================
# Installation
#========================================

%install
%cmake_install

# Fedora filesystem layout
install -dp %{buildroot}%{_datadir}/%{name}
mv %{buildroot}%{_prefix}/resources %{buildroot}%{_datadir}/%{name}/

%if %{with python}
install -dp %{buildroot}%{_bindir}
rm %{buildroot}%{_prefix}/python/Scripts/README.md
for file in %{buildroot}%{_prefix}/python/Scripts/*.py; do
          name="${file%.py}"
          chmod +x "$file"
          mv "$file" $name
done
chmod +x %{buildroot}%{_prefix}/python/MaterialX/*.py 
mv %{buildroot}%{_prefix}/python/Scripts/* %{buildroot}%{_bindir}
mv %{buildroot}%{_prefix}/python/MaterialX/* %{buildroot}%{python3_sitelib}/%{name}
rm -r %{buildroot}%{_prefix}/python
rm -r %{buildroot}%{python3_sitelib}/%{name}/%{_prefix}
%endif

# Remove demo devel files
rm -rvf %{buildroot}%{_datadir}/%{name}/stdlib/genosl/include

# License documentation
install -Dpm644 LICENSE -t %{buildroot}%{_licensedir}/%{name}/

%if %{with viewer}
# Desktop integration
install -Dpm644 documents/Images/MaterialXLogo_200x155.png \
    %{buildroot}%{_datadir}/icons/hicolor/256x256/apps/%{name}.png

# Generate desktop files
for app in viewer graph-editor; do
  desktop-file-install --dir=%{buildroot}%{_datadir}/applications \
    --add-category Graphics \
    --add-category 3DGraphics \
    --set-key Name --set-value "MaterialX ${app%-*}" \
    --set-key Exec --set-value "MaterialX${app//-}" \
    --set-key Icon --set-value "%{name}" \
    --set-key Comment --set-value "MaterialX ${app%-*}" \
    %{name}-${app}.desktop
done"A simple MaterialX Editor" \
    %{name}-graph-editor.desktop
%endif

# Generate and install man pages.
install -d '%{buildroot}%{_mandir}/man1'
for cmd in %{buildroot}%{_bindir}/*
do
  LD_LIBRARY_PATH='%{buildroot}%{_libdir}' \
      help2man \
      --no-info --no-discard-stderr --version-string='%{version}' \
      --output="%{buildroot}%{_mandir}/man1/$(basename "${cmd}").1" \
      "${cmd}"
done

# Clean up incorrectly installed docs
rm -f %{buildroot}%{_prefix}/{*.md,LICENSE}

#========================================
# Test
#========================================
%check
%ctest

#========================================
# File Manifest
#========================================

%files
%license %{_licensedir}/%{name}/LICENSE
%doc README.md CHANGELOG.md THIRD-PARTY.md
%dir %{_datadir}/%{name}
%if %{with openimageio}
%{_bindir}/baketextures
%{_bindir}/creatematerial
%{_bindir}/generateshader
%{_bindir}/genmdl
%{_bindir}/mxdoc
%{_bindir}/mxformat
%{_bindir}/mxvalidate
%{_bindir}/translateshader
%{_bindir}/writenodegraphs
%endif
%{_libdir}/libMaterialX*.so.{1,%{version}}
%{_mandir}/man1/*.1.gz

%files data
%{_datadir}/%{name}/

%files devel
%{_includedir}/MaterialX*
%{_libdir}/libMaterialX*.so
%{_libdir}/cmake/MaterialX/

%if %{with python}
%files -n python3-%{name}
%doc README.md
%{python3_sitelib}/%{name}
%endif

%if %{with viewer}
%files viewer
%{_bindir}/MaterialX{View,GraphEditor}
%{_datadir}/icons/hicolor/*/apps/%{name}.png
%{_datadir}/applications/%{name}-{graph-editor,viewer}.desktop
%endif

%changelog
%autochangelog