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gallium: add PIPE_SHADER_CAP_GLSL_16BIT_TEMPS for LowerPrecisionTemporaries

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Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>
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Marek Olšák
2020-07-06 20:45:27 -04:00
parent 6aea39641a
commit 75b59bb1d6
21 changed files with 27 additions and 0 deletions
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docs/gallium/screen.rst
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@@ -659,6 +659,8 @@ 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_MAX_TEXTURE_SAMPLERS``: The maximum number of texture
samplers.
* ``PIPE_SHADER_CAP_PREFERRED_IR``: Preferred representation of the