[Mesa-dev] [PATCH 1/5] gallium: add PIPE_CAP_TGSI_TES_LAYER_VIEWPORT

[Nicolai Hähnle]

On 13.04.2017 23:05, Ilia Mirkin wrote:
> On Thu, Apr 13, 2017 at 4:30 PM, Nicolai Hähnle <nhaehnle at gmail.com> wrote:
>> +* ``PIPE_CAP_TGSI_TES_LAYER_VIEWPORT``: Whether ``TGSI_SEMANTIC_LAYER`` and
>> +  ``TGSI_SEMANTIC_VIEWPORT_INDEX`` are supported as tessellation evaluation
>> +  shader outputs.
>
> Not that I'm opposed, but is there hardware that can support it from
> VS but not TES?

The issue is driver support rather than hardware support: the r600 
driver has the VS part, and I didn't bother to figure out how much 
effort it would be to make the TES part work as well.

Cheers,
Nicolai
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