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gallium: replace 16BIT_TEMPS cap with 16BIT_CONSTS

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All drivers that support mediump lowering should support 16BIT_TEMPS,
but some do not also want 16b consts to be lowered.  Replace the pipe
cap in preperation to remove LowerPrecisionTemporaries.

Note: also updates reference checksums for the arm64_a630_traces job,
due to lowering more to 16b

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6189>
This commit is contained in:
Rob Clark
2020-08-05 10:21:46 -07:00
committed by Marge Bot
parent 0a763c0c86
commit c4e0cae90c
22 changed files with 33 additions and 33 deletions
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docs/gallium/screen.rst
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@@ -663,8 +663,8 @@ MOV OUT[0], CONST[0][3] # copy vector 3 of constbuf 0
DDX and DDY opcodes are supported.
* ``PIPE_SHADER_CAP_INT16``: Whether 16-bit signed and unsigned integer types
are supported.
* ``PIPE_SHADER_CAP_GLSL_16BIT_TEMPS``: Lower mediump temporaries to 16-bit.
This generates 16-bit phis in NIR, 16-bit loop counters, and 16-bit indirect arrays.
* ``PIPE_SHADER_CAP_GLSL_16BIT_CONSTS``: Lower mediump constants to 16-bit.
Note that 16-bit constants are not lowered to uniforms in GLSL.
* ``PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS``: The maximum number of texture
samplers.
* ``PIPE_SHADER_CAP_PREFERRED_IR``: Preferred representation of the