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. "${GRIMOIRE}/FUNCTIONS"
source $GRIMOIRE/MESON_FUNCTIONS
SPELL=mesa
if [[ "${MESA_BRANCH}" == "scm" ]]; then
VERSION=$(get_scm_version)
SOURCE="${SPELL}-git.tar.xz"
FORCE_DOWNLOAD="on"
SOURCE_URL[0]="git_http://gitlab.freedesktop.org/${SPELL}/${SPELL}.git:${SPELL}-git"
SOURCE_IGNORE="volatile"
SOURCE_DIRECTORY="${BUILD_DIRECTORY}/${SPELL}-git"
else
VERSION=19.2.2
SOURCE=mesa-$VERSION.tar.xz
SOURCE_URL[0]="https://mesa.freedesktop.org/archive/${SOURCE}"
SOURCE2=$SOURCE.sig
SOURCE2_URL[0]=${SOURCE_URL[0]}.sig
SOURCE_GPG=freedesktop.gpg:$SOURCE.sig:UPSTREAM_KEY
SOURCE2_IGNORE=signature
SOURCE_DIRECTORY=${BUILD_DIRECTORY}/mesa-${VERSION}
fi
LICENSE[0]=GPL
WEB_SITE=https://www.mesa3d.org/
KEYWORDS="graphics libs"
ENTERED=20171020
SHORT="Mesa implementation of the OpenGL(TM) API"
cat << EOF
this is a complete rewrite of the original mesalib spell, using the meson
build system
The Mesa project began as an open-source implementation of the OpenGL specification - a
system for rendering interactive 3D graphics.
Over the years the project has grown to implement more graphics APIs, including OpenGL
ES (versions 1, 2, 3), OpenCL, OpenMAX, VDPAU, VA API, XvMC and Vulkan.
A variety of device drivers allows the Mesa libraries to be used in many different
environments ranging from software emulation to complete hardware acceleration for
modern GPUs.
Mesa ties into several other open-source projects: the Direct Rendering Infrastructure
and X.org to provide OpenGL support on Linux, FreeBSD and other operating systems.
EOF
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