From 0b757da62553c4be42519bf1cc11c405f00f440b Mon Sep 17 00:00:00 2001
From: Simon Perretta <simon.perretta@imgtec.com>
Date: Mon, 17 Mar 2025 13:25:20 +0000
Subject: [PATCH] pco: skip comp-only opt on collated vecs

Signed-off-by: Simon Perretta <simon.perretta@imgtec.com>
Acked-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36412>
---
 src/imagination/pco/pco_opt.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/imagination/pco/pco_opt.c b/src/imagination/pco/pco_opt.c
index d666e81f1f8..5c4ba6ef50b 100644
--- a/src/imagination/pco/pco_opt.c
+++ b/src/imagination/pco/pco_opt.c
@@ -740,6 +740,13 @@ bool pco_opt_comp_only_vecs(pco_shader *shader)
             continue;
          }
 
+         /* Has collated vec, skip. */
+         /* TODO: support this. */
+         if (vec->num_srcs != util_dynarray_num_elements(&comps, pco_instr *)) {
+            util_dynarray_fini(&comps);
+            continue;
+         }
+
          util_dynarray_foreach (&comps, pco_instr *, _comp) {
             pco_instr *comp = *_comp;
             pco_ref dest = comp->dest[0];