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radeonsi: Enable NIR's lower_fmod option.

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Currently, st/mesa is always calling the GLSL IR lower_instructions()
pass with MOD_TO_FLOOR set, so mod operations will be lowered before
ever reaching NIR.  This enables the same lowering at the NIR level,
which will let me shut off the GLSL IR path for NIR-based drivers.

The AMD NIR backend also has code to handle fmod, so we could
potentially skip this and still be fine.  I don't have an opinion
on that.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Kenneth Graunke 2019-06-03 13:40:05 -07:00
parent e0641e0728
commit f4d4c42608
1 changed files with 1 additions and 0 deletions
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src/gallium/drivers/radeonsi/si_get.c
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@ -486,6 +486,7 @@ static const struct nir_shader_compiler_options nir_options = {
.lower_fdiv = true,
.lower_sub = true,
.lower_ffma = true,
.lower_fmod = true,
.lower_pack_snorm_2x16 = true,
.lower_pack_snorm_4x8 = true,
.lower_pack_unorm_2x16 = true,