commit 47351b843a8213e931bbd70cb6a2501b87cb525e
author Iago Toral Quiroga <itoral@igalia.com> Wed Dec 14 10:05:44 2016 +0100
committer Iago Toral Quiroga <itoral@igalia.com> Thu Dec 15 08:34:55 2016 +0100
tree 9cef2315413b61abaa447b829c7a3ae264d9748b
parent a5502a721fd30fde4f5dc71421494329052f805b

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@whitecape.org>

src/compiler/nir/nir_lower_tex.c

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 @@
 
    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));