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# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
CMAKE_REMOVE_MODULES_LIST=( FindFreetype FindDoxygen FindZLIB )
inherit cmake
IMGUI_PN="imgui"
IMGUI_PV="1.87"
IMGUI_P="${IMGUI_PN}-${IMGUI_PV}"
DESCRIPTION="Object-oriented Graphics Rendering Engine"
HOMEPAGE="https://www.ogre3d.org/"
SRC_URI="https://github.com/OGRECave/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz
https://github.com/ocornut/${IMGUI_PN}/archive/v${IMGUI_PV}.tar.gz -> ${IMGUI_P}.tar.gz"
LICENSE="MIT public-domain"
SLOT="0/13.6"
KEYWORDS="~amd64 ~arm ~x86"
IUSE="assimp bullet +cache cg debug deprecated doc double-precision egl examples +freeimage
json +opengl pch profile resman-pedantic tools"
# Note: gles2 USE flag taken out for now, as even the configuration seems to be broken
# ~~sed 2022-12-13 (sven@eden-worx.com)
#
# Note: The following dependencies might be considered for new ebuilds
# + Vulkan SDK: Vulkan RenderSystem, glslang Plugin. Alternatively use system packages <https://vulkan.lunarg.com/>
#
# Note: Without gles2 USE flag, the opengl USE flag is next to useless. But
# there are packages which enforce it, so it has to stay.
#
REQUIRED_USE="
examples? ( opengl )
"
RESTRICT="test" #139905
RDEPEND="
dev-games/ois
dev-libs/pugixml
dev-libs/zziplib
media-libs/freetype:2
x11-libs/libX11
x11-libs/libXaw
x11-libs/libXrandr
x11-libs/libXt
assimp? ( media-libs/assimp:= )
bullet? ( sci-physics/bullet:= )
cg? ( media-gfx/nvidia-cg-toolkit )
egl? ( media-libs/mesa[egl(+)] )
freeimage? ( media-libs/freeimage )
json? ( dev-libs/rapidjson )
opengl? (
virtual/glu
virtual/opengl
)
tools? ( dev-libs/tinyxml[stl] )
"
DEPEND="
${RDEPEND}
x11-base/xorg-proto
"
BDEPEND="
virtual/pkgconfig
doc? ( app-doc/doxygen )
"
PATCHES=(
"${FILESDIR}"/${PN}-13.5.3-media_path.patch
"${FILESDIR}"/${PN}-13.5.3-resource_path.patch
"${FILESDIR}"/${PN}-13.5.3-gentoolize_imgui_inclusion.patch
"${FILESDIR}"/${PN}-1.10.12-use_system_tinyxml.patch
)
src_unpack() {
unpack ${P}.tar.gz || die "Unpacking ${P}.zip failed"
# Ogre includes imgui, but as a manual download done by Components/Overlay/CMakeLists.txt
# That may fail and so we are doing it ourselves.
cd "${S}" || die "Unpack incomplete"
unpack ${IMGUI_P}.tar.gz || die "Unpacking ${IMGUI_P}.zip failed"
}
src_prepare() {
local broken_png=(
Icon@2x-72.png
Default-Portrait~ipad.png
Default-Portrait@2x~ipad.png
Default-Landscape@2x~ipad.png
)
sed -i \
-e "s:share/doc/OGRE:share/doc/${PF}:" \
Docs/CMakeLists.txt || die
# In this series, the CMAKE_BUILD_TARGET is hard-wired to the
# installation. And only Debug, MinSizeRel and RelWithDebInfo
# are supported.
sed -i \
-e "s/$(usex debug Debug Release)/Gentoo/g" \
CMake/InstallResources.cmake \
CMake/Utils/OgreConfigTargets.cmake \
|| die
# Fix broken png files
einfo "Fixing broken png files."
pushd "${S}"/Samples/Common/misc 1>/dev/null 2>&1
for png in "${broken_png[@]}"; do
pngfix -q --out=out.png ${png}
mv -f out.png "${png}" || die
done
popd 1>/dev/null 2>&1
einfo "done ..."
# Fix some path issues
cmake_src_prepare
}
src_configure() {
local mycmakeargs=(
-DCMAKE_SKIP_INSTALL_RPATH=yes
-DOGRE_ASSERT_MODE=1
-DOGRE_BUILD_COMPONENT_BITES=yes
-DOGRE_BUILD_COMPONENT_BULLET=$(usex bullet)
-DOGRE_BUILD_COMPONENT_CSHARP=no
-DOGRE_BUILD_COMPONENT_JAVA=no
-DOGRE_BUILD_COMPONENT_OVERLAY=yes
-DOGRE_BUILD_COMPONENT_OVERLAY_IMGUI=yes
-DOGRE_BUILD_COMPONENT_PAGING=yes
-DOGRE_BUILD_COMPONENT_PROPERTY=yes
-DOGRE_BUILD_COMPONENT_PYTHON=no
-DOGRE_BUILD_COMPONENT_RTSHADERSYSTEM=yes
-DOGRE_BUILD_COMPONENT_TERRAIN=yes
-DOGRE_BUILD_COMPONENT_VOLUME=yes
-DOGRE_BUILD_DEPENDENCIES=no
-DOGRE_BUILD_PLUGIN_ASSIMP=$(usex assimp)
-DOGRE_BUILD_PLUGIN_CG=$(usex cg)
-DOGRE_BUILD_PLUGIN_FREEIMAGE=$(usex freeimage)
-DOGRE_BUILD_PLUGIN_EXRCODEC=no
-DOGRE_BUILD_RENDERSYSTEM_GL=$(usex opengl)
-DOGRE_BUILD_RENDERSYSTEM_GL3PLUS=$(usex opengl)
-DOGRE_BUILD_RENDERSYSTEM_GLES2=no
-DOGRE_BUILD_SAMPLES=$(usex examples)
-DOGRE_BUILD_TESTS=no
-DOGRE_BUILD_TOOLS=$(usex tools)
-DOGRE_CONFIG_DOUBLE=$(usex double-precision)
-DOGRE_CONFIG_ENABLE_GL_STATE_CACHE_SUPPORT=$(usex cache)
-DOGRE_CONFIG_ENABLE_GLES2_CG_SUPPORT=no
-DOGRE_CONFIG_ENABLE_GLES3_SUPPORT=no
-DOGRE_CONFIG_THREADS=3
-DOGRE_CONFIG_THREAD_PROVIDER=std
-DOGRE_ENABLE_PRECOMPILED_HEADERS=$(usex pch)
-DOGRE_GLSUPPORT_USE_EGL=$(usex egl)
-DOGRE_INSTALL_DOCS=$(usex doc)
-DOGRE_INSTALL_SAMPLES=$(usex examples)
-DOGRE_NODELESS_POSITIONING=$(usex deprecated)
-DOGRE_PROFILING=$(usex profile)
-DOGRE_RESOURCEMANAGER_STRICT=$(usex resman-pedantic 1 2)
)
cmake_src_configure
}
src_compile() {
cmake_src_compile
if use doc ; then
eninja -C "${BUILD_DIR}" OgreDoc
fi
}
src_install() {
cmake_src_install
CONFIGDIR=/etc/OGRE
SHAREDIR=/usr/share/OGRE
# plugins and resources are the main configuration
insinto "${CONFIGDIR}"
doins "${BUILD_DIR}"/bin/plugins.cfg
doins "${BUILD_DIR}"/bin/resources.cfg
dosym "${CONFIGDIR}"/plugins.cfg "${SHAREDIR}"/plugins.cfg
dosym "${CONFIGDIR}"/resources.cfg "${SHAREDIR}"/resources.cfg
# These are only for the sample browser
if use examples ; then
insinto "${SHAREDIR}"
doins "${BUILD_DIR}"/bin/samples.cfg
fi
}
pkg_postinst() {
elog "If you experience crashes when starting /usr/bin/SampleBrowser,"
elog "remove the cache directory at:"
elog " '~/.cache/OGRE Sample Browser'"
elog "first, before filing a bug report."
}
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