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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack import *
import sys
class Mesa(MesonPackage):
"""Mesa is an open-source implementation of the OpenGL specification
- a system for rendering interactive 3D graphics."""
homepage = "http://www.mesa3d.org"
maintainers = ['chuckatkins', 'v-dobrev']
git = "https://gitlab.freedesktop.org/mesa/mesa.git"
url = "https://archive.mesa3d.org/mesa-20.2.1.tar.xz"
version('master', tag='master')
version('21.0.3', sha256='565c6f4bd2d5747b919454fc1d439963024fc78ca56fd05158c3b2cde2f6912b')
version('21.0.0', sha256='e6204e98e6a8d77cf9dc5d34f99dd8e3ef7144f3601c808ca0dd26ba522e0d84')
version('20.3.4', sha256='dc21a987ec1ff45b278fe4b1419b1719f1968debbb80221480e44180849b4084')
version('20.2.1', sha256='d1a46d9a3f291bc0e0374600bdcb59844fa3eafaa50398e472a36fc65fd0244a')
depends_on('meson@0.52:', type='build')
depends_on('pkgconfig', type='build')
depends_on('bison', type='build')
depends_on('cmake', type='build')
depends_on('flex', type='build')
depends_on('gettext', type='build')
depends_on('python@3:', type='build')
depends_on('py-mako@0.8.0:', type='build')
depends_on('expat')
depends_on('zlib@1.2.3:')
# Internal options
variant('llvm', default=True, description="Enable LLVM.")
variant('swr', default='auto',
values=('auto', 'none', 'avx', 'avx2', 'knl', 'skx'),
multi=True,
description="Enable the SWR driver.")
# conflicts('~llvm', when='~swr=none')
# Front ends
variant('osmesa', default=True, description="Enable the OSMesa frontend.")
is_linux = sys.platform.startswith('linux')
variant('glx', default=is_linux, description="Enable the GLX frontend.")
# TODO: effectively deal with EGL. The implications of this have not been
# worked through yet
# variant('egl', default=False, description="Enable the EGL frontend.")
# TODO: Effectively deal with hardware drivers
# The implication of this is enabling DRI, among other things, and
# needing to check which llvm targets were built (ptx or amdgpu, etc.)
# Back ends
variant('opengl', default=True, description="Enable full OpenGL support.")
variant('opengles', default=False, description="Enable OpenGL ES support.")
# Provides
provides('gl@4.5', when='+opengl')
provides('glx@1.4', when='+glx')
# provides('egl@1.5', when='+egl')
provides('osmesa', when='+osmesa')
# Variant dependencies
depends_on('llvm@6:', when='+llvm')
depends_on('libx11', when='+glx')
depends_on('libxcb', when='+glx')
depends_on('libxext', when='+glx')
depends_on('libxt', when='+glx')
depends_on('xrandr', when='+glx')
depends_on('glproto@1.4.14:', when='+glx')
# version specific issue
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96130
conflicts('%gcc@10.1.0', msg='GCC 10.1.0 has a bug')
# Require at least 1 front-end
# TODO: Add egl to this conflict once made available
conflicts('~osmesa ~glx')
# Require at least 1 back-end
# TODO: Add vulkan to this conflict once made available
conflicts('~opengl ~opengles')
# OpenGL ES requires OpenGL
conflicts('~opengl +opengles')
# requires native to be added to llvm_modules when using gallium swrast
patch('https://cgit.freedesktop.org/mesa/mesa/patch/meson.build?id=054dd668a69acc70d47c73abe4646e96a1f23577', sha256='36096a178070e40217945e12d542dfe80016cb897284a01114d616656c577d73', when='@21.0.0:21.0.3')
# 'auto' needed when shared llvm is built
@when('^llvm~shared_libs')
def patch(self):
filter_file(
r"_llvm_method = 'auto'",
"_llvm_method = 'config-tool'",
"meson.build")
def meson_args(self):
spec = self.spec
args = [
'-Dvulkan-drivers=',
'-Dgallium-vdpau=disabled',
'-Dgallium-xvmc=disabled',
'-Dgallium-omx=disabled',
'-Dgallium-va=disabled',
'-Dgallium-xa=disabled',
'-Dgallium-nine=false',
'-Dgallium-opencl=disabled',
'-Dbuild-tests=false',
'-Dglvnd=false']
args_platforms = []
args_gallium_drivers = ['swrast']
args_dri_drivers = []
opt_enable = lambda c, o: '-D%s=%sabled' % (o, 'en' if c else 'dis')
opt_bool = lambda c, o: '-D%s=%s' % (o, str(c).lower())
if spec.target.family == 'arm' or spec.target.family == 'aarch64':
args.append('-Dlibunwind=disabled')
num_frontends = 0
if spec.satisfies('@:20.3'):
osmesa_enable, osmesa_disable = ('gallium', 'none')
else:
osmesa_enable, osmesa_disable = ('true', 'false')
if '+osmesa' in spec:
num_frontends += 1
args.append('-Dosmesa={0}'.format(osmesa_enable))
else:
args.append('-Dosmesa={0}'.format(osmesa_disable))
if '+glx' in spec:
num_frontends += 1
if '+egl' in spec:
args.append('-Dglx=dri')
else:
args.append('-Dglx=gallium-xlib')
args_platforms.append('x11')
else:
args.append('-Dglx=disabled')
if '+egl' in spec:
num_frontends += 1
args.extend(['-Degl=enabled', '-Dgbm=enabled', '-Ddri3=enabled'])
args_platforms.append('surfaceless')
else:
args.extend(
['-Degl=disabled', '-Dgbm=disabled', '-Ddri3=disabled'])
args.append(opt_bool('+opengl' in spec, 'opengl'))
args.append(opt_enable('+opengles' in spec, 'gles1'))
args.append(opt_enable('+opengles' in spec, 'gles2'))
args.append(opt_enable(num_frontends > 1, 'shared-glapi'))
if '+llvm' in spec:
args.append('-Dllvm=enabled')
args.append(opt_enable(
'+link_dylib' in spec['llvm'], 'shared-llvm'))
else:
args.append('-Dllvm=disabled')
args_swr_arches = []
if 'swr=auto' in spec:
if 'avx' in spec.target:
args_swr_arches.append('avx')
if 'avx2' in spec.target:
args_swr_arches.append('avx2')
if 'avx512f' in spec.target:
if 'avx512er' in spec.target:
args_swr_arches.append('knl')
if 'avx512bw' in spec.target:
args_swr_arches.append('skx')
else:
if 'swr=avx' in spec:
args_swr_arches.append('avx')
if 'swr=avx2' in spec:
args_swr_arches.append('avx2')
if 'swr=knl' in spec:
args_swr_arches.append('knl')
if 'swr=skx' in spec:
args_swr_arches.append('skx')
if args_swr_arches:
if '+llvm' not in spec:
raise SpecError('Variant swr requires +llvm')
args_gallium_drivers.append('swr')
args.append('-Dswr-arches=' + ','.join(args_swr_arches))
# Add the remaining list args
args.append('-Dplatforms=' + ','.join(args_platforms))
args.append('-Dgallium-drivers=' + ','.join(args_gallium_drivers))
args.append('-Ddri-drivers=' + ','.join(args_dri_drivers))
return args
@property
def libs(self):
spec = self.spec
libs_to_seek = set()
if '+osmesa' in spec:
libs_to_seek.add('libOSMesa')
if '+glx' in spec:
libs_to_seek.add('libGL')
if '+opengl' in spec:
libs_to_seek.add('libGL')
if '+opengles' in spec:
libs_to_seek.add('libGLES')
libs_to_seek.add('libGLES2')
if libs_to_seek:
return find_libraries(list(libs_to_seek),
root=self.spec.prefix,
recursive=True)
return LibraryList()
@property
def osmesa_libs(self):
return find_libraries('libOSMesa',
root=self.spec.prefix,
recursive=True)
@property
def glx_libs(self):
return find_libraries('libGL',
root=self.spec.prefix,
recursive=True)
@property
def gl_libs(self):
return find_libraries('libGL',
root=self.spec.prefix,
recursive=True)
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