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intel/compiler: don't lower swizzles in backend.

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These are lowered by crocus in the frontend, the key
entries are still used.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14202>
This commit is contained in:
Dave Airlie
2021-12-15 10:22:50 +10:00
committed by Marge Bot
parent e12b0d0d60
commit 2692a5f8db
1 changed files with 0 additions and 10 deletions
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10
src/intel/compiler/brw_nir.c
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@@ -1255,16 +1255,6 @@ brw_nir_apply_sampler_key(nir_shader *nir,
tex_options.saturate_r = key_tex->gl_clamp_mask[2];
}
/* Prior to Haswell, we have to fake texture swizzle */
for (unsigned s = 0; s < MAX_SAMPLERS; s++) {
if (key_tex->swizzles[s] == SWIZZLE_NOOP)
continue;
tex_options.swizzle_result |= BITFIELD_BIT(s);
for (unsigned c = 0; c < 4; c++)
tex_options.swizzles[s][c] = GET_SWZ(key_tex->swizzles[s], c);
}
/* Prior to Haswell, we have to lower gradients on shadow samplers */
tex_options.lower_txd_shadow = devinfo->verx10 <= 70;