[Mesa-dev] [PATCH 2/2] egl: add EGL_platform_device support

[Marek Olšák]

Those are all valid reasons, but I don't wanna expose swrast for AMD's
customers.

Marek

On Sat, Apr 27, 2019, 5:45 AM Mathias Fröhlich <Mathias.Froehlich at gmx.net>
wrote:

> Hi Marek,
>
> On Wednesday, 24 April 2019 02:01:42 CEST Marek Olšák wrote:
> > Adam, did you notice my original suggestion "If there is at least 1 drm
> > device, swrast won't be in the list."? which means swrast would be in the
> > list for your "dumb" GPUs.
>
> Imagine a box with a low end drm capable hardware chip like you find
> sometimes
> in server type boxes (intel/matrox...). Otherwise the box is equipped with
> lots of cpu
> power. This is something that you will find a lot in that major
> engineering application
> environment. Your application will be glad to find the swrast renderer
> that is finally
> more capable than the 'GPU' mostly there to drive an administration
> console.
> You do not want to lock a swrast 'device' (or however you want to call it)
> out by
> a may be less capable 'console GPU'.
>
> Beside that having a second type of 'normalized renderer' like Eric was
> telling
> about is an other one.
>
> As well as sometimes it may make sense to utilize the GPU
> with one set of work and a second GPU with an other set of work in
> parallel.
> When you only find a single gpu device in one box, you may be glad to find
> a swrast device that you can make use of in parallel with the gpu without
> the need
> to put up different code paths in your application.
>
> May be I can come up with other cases, but thats the 5 minutes for now ...
>
> best
>
> Mathias
>
>
>
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