Quoting Adam Jackson (2018-09-28 12:59:16)
> s390 doesn't have working llvm, so llvmpipe isn't an option. softpipe
> might be more featureful but classic swrast is faster. s390x has working
> llvm so we can build llvmpipe there.
>
> ppc doesn't have working llvm either (so give it classic swrast too),
> but at least it has a PCI bus you could maybe plug things into. Build
> gallium nouveau and r300 there, they might not work very well but at
> least PowerPC Macs had cards of that vintage. For ppc64 and ppc64le,
> build the gallium drivers corresponding to PCIE cards, and llvmpipe.
>
> For all of the above, don't build Vulkan drivers yet. radv should in
> principle Just Work on ppc64le, but that's true of aarch64 too, and
> we're not building radv by default there yet either.
>
> Signed-off-by: Adam Jackson <a...@redhat.com>
> ---
> meson.build | 22 ++++++++++++++++++----
> 1 file changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/meson.build b/meson.build
> index 97693b91ecf..71a19110d17 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -96,10 +96,11 @@ system_has_kms_drm = ['openbsd', 'netbsd', 'freebsd',
> 'dragonfly', 'linux'].cont
> _drivers = get_option('dri-drivers')
> if _drivers.contains('auto')
> if system_has_kms_drm
> - # TODO: PPC, Sparc
> if ['x86', 'x86_64'].contains(host_machine.cpu_family())
> _drivers = ['i915', 'i965', 'r100', 'r200', 'nouveau']
> - elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
> + elif ['s390', 'ppc'].contains(host_machine.cpu_family())
> + _drivers = ['swrast']
> + elif ['arm', 'aarch64', 's390x', 'ppc64',
> 'ppc64le'].contains(host_machine.cpu_family())I don't see s390 or ppc64le in the cpu_family table here: https://mesonbuild.com/Reference-tables.html I can't remember if the plan was to handle ppc64le as `host_machine.cpu_family() == 'ppc64' and host_machine.endian() == 'little'` or if ppc64le was going to be a unique thing. Or if we ever figured that out at all. > _drivers = [] > else > error('Unknown architecture @0@. Please pass -Ddri-drivers to set > driver options. Patches gladly accepted to fix this.'.format( > @@ -126,7 +127,6 @@ with_dri = _drivers.length() != 0 and _drivers != [''] > _drivers = get_option('gallium-drivers') > if _drivers.contains('auto') > if system_has_kms_drm > - # TODO: PPC, Sparc probably should leave Sparc here. Otherwise: Acked-by: Dylan Baker <dy...@pnwbakers.com> > if ['x86', 'x86_64'].contains(host_machine.cpu_family()) > _drivers = [ > 'r300', 'r600', 'radeonsi', 'nouveau', 'virgl', 'svga', 'swrast' > @@ -136,6 +136,20 @@ if _drivers.contains('auto') > 'pl111', 'v3d', 'vc4', 'freedreno', 'etnaviv', 'imx', 'nouveau', > 'tegra', 'virgl', 'swrast', > ] > + elif ['ppc'].contains(host_machine.cpu_family()) > + _drivers = [ > + 'nouveau', 'r300', > + ] > + elif ['ppc64', 'ppc64le'].contains(host_machine.cpu_family()) > + _drivers = [ > + 'r600', 'radeonsi', 'nouveau', 'swrast' > + ] > + elif ['s390'].contains(host_machine.cpu_family()) > + _drivers = [] > + elif ['s390x'].contains(host_machine.cpu_family()) > + _drivers = [ > + 'swrast' > + ] > else > error('Unknown architecture @0@. Please pass -Dgallium-drivers to set > driver options. Patches gladly accepted to fix this.'.format( > host_machine.cpu_family())) > @@ -179,7 +193,7 @@ if _vulkan_drivers.contains('auto') > if system_has_kms_drm > if host_machine.cpu_family().startswith('x86') > _vulkan_drivers = ['amd', 'intel'] > - elif ['arm', 'aarch64'].contains(host_machine.cpu_family()) > + elif ['arm', 'aarch64', 'ppc', 'ppc64', 'ppc64le', 's390', > 's390x'].contains(host_machine.cpu_family()) > _vulkan_drivers = [] > else > error('Unknown architecture @0@. Please pass -Dvulkan-drivers to set > driver options. Patches gladly accepted to fix this.'.format( > -- > 2.17.1 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
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