Mesa (master): nir/lower_tex: fix number of components in replace_gradient_with_lod()
Iago Toral Quiroga
itoral at kemper.freedesktop.org
Thu Dec 15 07:39:54 UTC 2016
Module: Mesa
Branch: master
Commit: 47351b843a8213e931bbd70cb6a2501b87cb525e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=47351b843a8213e931bbd70cb6a2501b87cb525e
Author: Iago Toral Quiroga <itoral at igalia.com>
Date: Wed Dec 14 10:05:44 2016 +0100
nir/lower_tex: fix number of components in replace_gradient_with_lod()
We should make the dest in the textureLod() operation have the same number
of components as the destination in the original textureGrad()
Fixes regression in ES3-CTS.gtf.GL3Tests.shadow
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99072
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
src/compiler/nir/nir_lower_tex.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/compiler/nir/nir_lower_tex.c b/src/compiler/nir/nir_lower_tex.c
index c67a8ed..3e3ac8c 100644
--- a/src/compiler/nir/nir_lower_tex.c
+++ b/src/compiler/nir/nir_lower_tex.c
@@ -349,7 +349,8 @@ replace_gradient_with_lod(nir_builder *b, nir_ssa_def *lod, nir_tex_instr *tex)
assert(src_num == num_srcs);
- nir_ssa_dest_init(&txl->instr, &txl->dest, 4, 32, NULL);
+ nir_ssa_dest_init(&txl->instr, &txl->dest,
+ tex->dest.ssa.num_components, 32, NULL);
nir_builder_instr_insert(b, &txl->instr);
nir_ssa_def_rewrite_uses(&tex->dest.ssa, nir_src_for_ssa(&txl->dest.ssa));
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