[Mesa-dev] [PATCH] meson: Add default DRI drivers for ARM/AArch64

Dylan Baker dylan at pnwbakers.com
Tue Feb 27 17:13:02 UTC 2018


Quoting Daniel Stone (2018-02-27 02:08:29)
> On all Arm architectures (ARMv7 and below as 'arm', ARMv8 and above as
> 'aarch64'), only build swrast for DRI drivers. The only classic drivers
> which could be used are r200 and NV20 cards, which seems unlikely enough
> that it shouldn't be the default.
> 
> Signed-off-by: Daniel Stone <daniels at collabora.com>
> Reported-by: Javier Jard´┐Żn <jjardon at gnome.org>
> Cc: Dylan Baker <dylan at pnwbakers.com>
> ---
>  meson.build | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/meson.build b/meson.build
> index 6f2615f9d17..96c4e663baf 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -100,6 +100,8 @@ if _drivers == 'auto'
>      # 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())
> +      _drivers = 'swrast'
>      else
>        error('Unknown architecture. Please pass -Ddri-drivers to set driver options. Patches gladly accepted to fix this.')
>      endif
> -- 
> 2.14.3
> 

Does it really make sense to build classic swrast? Why not softpipe or llvmpipe?
Also, what gallium drivers make sense? vc4, freedreno, and etnaviv? Or does
nouveau make sense too?

Dylan
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