[Intel-gfx] [RFC] reduce number of visuals exposed by Intel drivers

[Eric Anholt]

On Fri, 05 Feb 2010 13:01:50 -0800, Ian Romanick <idr at freedesktop.org> wrote:
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> I'd like to remove a bunch of the visuals and fbconfigs exposed by the
> Intel drivers.  There are several categories of visuals that are likely
> not useful to anyone.  A couple of our test suites (e.g., glean) like to
> run over every possible visual.  As a result, the test suites take an
> extraordinary amount of time to run.
> 
> I propose removing:
> 
>   * All 24-bit depth / 0-bit stencil visuals.  These are compatible with
> the default state of a 24-bit depth / 8-bit stencil visual and offer no
> memory savings.  This will eliminate 24 (of 72) visuals by itself.
> 
>   * All but one of the visuals with accumulation buffer.  Accumulation
> is a software path in the Intel drivers (though this could be fixed), so
> I don't see any utility in offering multiple, optimized buffer
> configuration choices.  This will eliminate an additional 23 visuals.
> 
> This will leave the 25 visuals and 37 fbconfigs that are likely to be
> useful.

Yes!
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