[Mesa-dev] [PATCH] ac/surface: Don't assert that bpp is power of two.

[Bas Nieuwenhuizen]

On Tue, May 15, 2018 at 9:34 PM, Marek Olšák <maraeo at gmail.com> wrote:
> On Tue, May 15, 2018 at 3:32 PM, Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
> wrote:
>>
>> No, this is a vulkan issue, where we want to let apps create linear
>> RGB float surfaces. (AMDVLK exposes this too:
>> http://vulkan.gpuinfo.org/displayreport.php?id=3222#formats, see
>> R32G32B32_SFLOAT and friends) Vulkan has no conecept of staging
>> textures (or at least the app does not have to tell the driver).
>>
>> Though I'm not so sure anymore my patch is the right one, since vulkan
>> apps can share these surfaces with other apps using the same GPU.
>
>
> Yeah, I think the shareable flag isn't guaranteed to be always set.

It is for radv, the problem in that case was more that we were setting
shareable but the sharing did not need the extra vega alignment since
the app is required to use it on the same GPU.
>
> Marek
>