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docs: add the doc-comment for fse-vars 

This just copies the comment that's in the code where this state is
stored. It seems better than nothing.

Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11106>
This commit is contained in:
Erik Faye-Lund 2021-06-01 12:22:00 +02:00 committed by Marge Bot
parent d4397c0048
commit 4fd9c6d9f3
1 changed files with 3 additions and 2 deletions
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5
docs/envvars.rst
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@ -410,9 +410,10 @@ Gallium environment variables
if set, do extra sanity checking on TGSI shaders and print any errors
to stderr.
:envvar:`DRAW_FSE`
???
Enable fetch-shade-emit middle-end even though its not correct (e.g.
for softpipe)
:envvar:`DRAW_NO_FSE`
???
Disable fetch-shade-emit middle-end even when it is correct
:envvar:`DRAW_USE_LLVM`
if set to zero, the draw module will not use LLVM to execute shaders,
vertex fetch, etc.