[Mesa-dev] ARB_cull_distance (final?) and llvmpipe support

[Tobias Klausmann]

Hi Dave,

i was not aware you are working on this actively as well, i had a series 
posted 5 days ago which got some critics and reviews [1]. The most 
important points where:

1. split functional change and renaming of the lowering pass [Ian]

2. check max clip/cull array sizes in link_shaders for all stages [Ian]

3. drop culldist semantics, which you already did [Ilia]


If you are interested in changes made to satisfy 1+2, you can fetch 
patches from here: https://git.thm.de/tjkl80/mesa.git arb-cull-distance


[1] https://lists.freedesktop.org/archives/mesa-dev/2016-May/115909.html

Greetings,

Tobias


On 13.05.2016 08:14, Dave Airlie wrote:
> This is hopefully the final posting for this series, I've gotten
> the lowering pass to look like I wanted, which is to say it lowers
> to vec4[2].
>
> TGSI then uses the CLIPDIST semantic and the two properties to
> workout what is what. This means the CULLDIST semantic is no longer
> required.
>
> So I've ripped out CULLDIST from draw, and anywhere else it was used,
> and fixed draw to use the new API, as it more closely reflects how
> some of the hw works.
>
> I've also fixed the array size maximum checks, however the piglit
> test expects a link error when a compile error is a valid result.
>
> Dave.
>
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