[Mesa-dev] [PATCH 00/10] DRI interface, gallium: User-specified transfer stride

[Marek Olšák]

Please ignore this series.

Marek

On Wed, Apr 25, 2018 at 5:16 PM, Marek Olšák <maraeo at gmail.com> wrote:

> Hi,
>
> This feature is for gralloc, which requires drivers to be able to map
> an image with a stride of its own choosing, which is usually the same
> as the image stride. This is a very silly feature that probably comes
> from designing around mobile GPUs, and must be emulated on everything
> else.
>
> GCN is pretty limited here. A 16x16 tiled image can have a stride of 16
> because it's tiled, but the stride of a linear mapping of that image
> will be 64 on <= Polaris, or 256 on >= Vega.
>
> The hardware doesn't have the capability to give you a stride that is
> not a multiple of 64 or 256, so gralloc will have to deal with it.
>
> Nicolai wrote the first 6 commits. I added the last 4.
> (so I'll put my Rb on the first 6)
>
> Please review,
>
> Thanks,
> Marek
>
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