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gallium: add threads per block TGSI property

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The value 0 for unknown has been chosen to so that
drivers using tgsi_scan_shader do not need to detect
missing properties if they zero-initialize the struct.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen
2016-03-28 02:40:03 +02:00
parent ea8f4a6b13
commit 01f993a21f
4 changed files with 31 additions and 1 deletions
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6
src/gallium/docs/source/tgsi.rst
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@@ -3220,6 +3220,12 @@ Which shader stage will MOST LIKELY follow after this shader when the shader
is bound. This is only a hint to the driver and doesn't have to be precise.
Only set for VS and TES.
TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH / HEIGHT / DEPTH
"""""""""""""""""""""""""""""""""""""""""""""""""""
Threads per block in each dimension, if known at compile time. If the block size
is known all three should be at least 1. If it is unknown they should all be set
to 0 or not set.
Texture Sampling and Texture Formats
------------------------------------