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intel: Simplify the half-float packing in image load/store lowering.

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This was noted by Jason in review when I tried to make a helper for the
old path.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Eric Anholt 2018-12-12 11:29:29 -08:00
parent d3e046e76c
commit 06fbcd2cd5
1 changed files with 2 additions and 8 deletions
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10
src/intel/compiler/brw_nir_lower_image_load_store.c
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@ -544,14 +544,8 @@ convert_color_for_store(nir_builder *b, const struct gen_device_info *devinfo,
break; break;
case ISL_SFLOAT: case ISL_SFLOAT:
if (image.bits[0] == 16) { if (image.bits[0] == 16)
nir_ssa_def *f16comps[4]; color = nir_pack_half_2x16_split(b, color, nir_imm_float(b, 0));
for (unsigned i = 0; i < image.chans; i++) {
f16comps[i] = nir_pack_half_2x16_split(b, nir_channel(b, color, i),
nir_imm_float(b, 0));
}
color = nir_vec(b, f16comps, image.chans);
}
break; break;
case ISL_UINT: case ISL_UINT: