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intel: Simplify the half-float packing in image load/store lowering.
author
Eric Anholt
<eric@anholt.net>
Wed, 12 Dec 2018 19:29:29 +0000
(11:29 -0800)
committer
Eric Anholt
<eric@anholt.net>
Thu, 13 Dec 2018 00:09:48 +0000
(16:09 -0800)
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>
src/intel/compiler/brw_nir_lower_image_load_store.c
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diff --git
a/src/intel/compiler/brw_nir_lower_image_load_store.c
b/src/intel/compiler/brw_nir_lower_image_load_store.c
index 269dbf8e2835badd4ac6ab760965afca13b582f1..d1547c98c54ba0f61056adb6bc6169cade7dd650 100644
(file)
--- a/
src/intel/compiler/brw_nir_lower_image_load_store.c
+++ b/
src/intel/compiler/brw_nir_lower_image_load_store.c
@@
-544,14
+544,8
@@
convert_color_for_store(nir_builder *b, const struct gen_device_info *devinfo,
break;
case ISL_SFLOAT:
break;
case ISL_SFLOAT:
- if (image.bits[0] == 16) {
- nir_ssa_def *f16comps[4];
- 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);
- }
+ if (image.bits[0] == 16)
+ color = nir_pack_half_2x16_split(b, color, nir_imm_float(b, 0));
break;
case ISL_UINT:
break;
case ISL_UINT: