Quoting Eric Engestrom (2017-11-01 04:09:26)
> On Tuesday, 2017-10-31 15:50:49 -0700, Dylan Baker wrote:
> > This allows drivers to be set by OS/arch in a sane manner.
> >
> > v2: - set _drivers to a list of drivers instead of manually assigning
> > each with_*
> >
> > cc: Eric Engestrom <e...@engestrom.ch>
> > Signed-off-by: Dylan Baker <dylanx.c.ba...@intel.com>
> > ---
> > meson.build | 18 ++++++++++++++++++
> > meson_options.txt | 8 ++++----
> > 2 files changed, 22 insertions(+), 4 deletions(-)
> >
> > diff --git a/meson.build b/meson.build
> > index d22d49535af..38c0c77f875 100644
> > --- a/meson.build
> > +++ b/meson.build
> > @@ -90,6 +90,14 @@ with_dri_r200 = false
> > with_dri_nouveau = false
> > with_dri_swrast = false
> > _drivers = get_option('dri-drivers')
> > +if _drivers == 'default'
> > + if ['linux', 'bsd'].contains(host_machine.system())
> > + if ['x86', 'x86_64'].contains(host_machine.cpu_family())
> > + _drivers = 'i915,i965,r100,r200,nouveau'
> > + endif
> > + # TODO: PPC, Sparc
> > + endif
>
> I think we need something here to handle the cases where `default` is
> the value, but isn't handled by the detection logic.
> Something like this at the end of the `_drivers == default` block, for
> instance?
>
> if _drivers == 'default'
> error(host_machine.system() + ' ' + host_machine.cpu_family() + ' has no
> default set; you need to set `dri-drivers` manually with `meson configure
> -Ddri-drivers=something`')
> endif
>
> (that's a bloody long line, but I don't think meson supports multiline
> error)
meson has ''' strings like python, I have no idea if you can use them in errors.
I guess I'll find out
>
> > +endif
> > if _drivers != ''
> > _split = _drivers.split(',')
> > with_dri_i915 = _split.contains('i915')
> > @@ -112,6 +120,16 @@ with_gallium_vc5 = false
> > with_gallium_etnaviv = false
> > with_gallium_imx = false
> > _drivers = get_option('gallium-drivers')
> > +if _drivers == 'default'
> > + if ['linux', 'bsd'].contains(host_machine.system())
> > + if ['x86', 'x86_64'].contains(host_machine.cpu_family())
> > + _drivers = 'radeonsi,nouveau,softpipe'
> > + elif ['arm', 'aarch64'].contains(host_machine.cpu_family())
> > + _drivers = 'pl111,vc4,vc5,freedreno,etnaviv,imx,softpipe'
>
> `softpipe` is a new addition in this commit; might be worth splitting
> out, or at least mention in the commit message.
oops, that should be swrast, which is in the default list.
Internally we call it softpipe (because swr is also a gallium based software
rasterizer), but to keep compatibility with autotools it's called swrast for
-Dgallium-drivers
>
> > + endif
> > + # TODO: PPC, Sparc
> > + endif
>
> same `if _drivers still 'default'` error here.
>
> Other than that, this looks good to me. With the errors added and
> the addition of softpipe mentioned in the commit msg or split out,
> this is:
> Reviewed-by: Eric Engestrom <eric.engest...@imgtec.com>
>
> > +endif
> > if _drivers != ''
> > _split = _drivers.split(',')
> > with_gallium_pl111 = _split.contains('pl111')
> > diff --git a/meson_options.txt b/meson_options.txt
> > index d93dd6eab2a..ce46438b5d3 100644
> > --- a/meson_options.txt
> > +++ b/meson_options.txt
> > @@ -34,8 +34,8 @@ option(
> > option(
> > 'dri-drivers',
> > type : 'string',
> > - value : 'i915,i965,r100,r200,nouveau',
> > - description : 'comma separated list of dri drivers to build.'
> > + value : 'default',
> > + description : 'comma separated list of dri drivers to build. If this is
> > set to default all drivers applicable to the target OS/architecture will be
> > built'
> > )
> > option(
> > 'dri-drivers-path',
> > @@ -46,8 +46,8 @@ option(
> > option(
> > 'gallium-drivers',
> > type : 'string',
> > - value : 'pl111,radeonsi,nouveau,freedreno,swrast,vc4,etnaviv,imx',
> > - description : 'comma separated list of gallium drivers to build.'
> > + value : 'default',
> > + description : 'comma separated list of gallium drivers to build. If this
> > is set to default all drivers applicable to the target OS/architecture will
> > be built'
> > )
> > option(
> > 'gallium-media',
> > --
> > 2.14.3
> >
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