Mesa (master): pan/mdg: Skip z/s combining for dual-source writes

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Module: Mesa
Branch: master
Commit: 334dab057651f41203eba0a2595a636e6881d82c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=334dab057651f41203eba0a2595a636e6881d82c

Author: Icecream95 <ixn at keemail.me>
Date:   Fri Jul 10 23:28:21 2020 +1200

pan/mdg: Skip z/s combining for dual-source writes

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5620>

---

 src/panfrost/midgard/midgard_compile.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c
index c62e9a2ad57..d8780dfd60b 100644
--- a/src/panfrost/midgard/midgard_compile.c
+++ b/src/panfrost/midgard/midgard_compile.c
@@ -337,6 +337,9 @@ midgard_nir_lower_zs_store(nir_shader *nir)
                                     var->data.location < FRAG_RESULT_DATA0)
                                         continue;
 
+                                if (var->data.index)
+                                        continue;
+
                                 assert(nir_src_is_const(intr->src[1]) && "no indirect outputs");
 
                                 nir_builder b;