From 0c6a667d9394c7bf0f5adef4320fd912653950af Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Tue, 10 Mar 2020 23:33:46 -0400
Subject: [PATCH] glsl_to_tgsi: set shader_info::writes_memory

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4152>
---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 31ffa24958c..254f966b4e3 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -7344,6 +7344,14 @@ st_link_tgsi(struct gl_context *ctx, struct gl_shader_program *prog)
       st_set_prog_affected_state_flags(linked_prog);
 
       if (linked_prog) {
+         /* This is really conservative: */
+         linked_prog->info.writes_memory =
+            linked_prog->info.num_ssbos ||
+            linked_prog->info.num_images ||
+            ctx->Extensions.ARB_bindless_texture ||
+            (linked_prog->sh.LinkedTransformFeedback &&
+             linked_prog->sh.LinkedTransformFeedback->NumVarying);
+
          if (!ctx->Driver.ProgramStringNotify(ctx,
                                               _mesa_shader_stage_to_program(i),
                                               linked_prog)) {
-- 
2.30.2