From 4f8fc0f0665d66bf9320023240ff4b47300dd91d Mon Sep 17 00:00:00 2001
From: Elie Tournier <tournier.elie@gmail.com>
Date: Wed, 10 Jun 2020 11:29:24 +0100
Subject: [PATCH] glsl_to_tgsi: Set TGSI_PROPERTY_FS_BLEND_EQUATION_ADVANCED

In virgl, when fbfetch extention is not available but blend_equation_advanced is,
we didn't call lower_blend_equation_advanced. So we need to pass the blend value
to the host in order to recreate the shader correctly.

Signed-off-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5516>
---
 src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index f2f1de316fc..bc032f4c751 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -6813,6 +6813,12 @@ st_translate_program(
             goto out;
          }
       }
+
+      if (program->shader->Program->sh.fs.BlendSupport)
+         ureg_property(ureg,
+                       TGSI_PROPERTY_FS_BLEND_EQUATION_ADVANCED,
+                       program->shader->Program->sh.fs.BlendSupport);
+
    }
    else if (procType == PIPE_SHADER_VERTEX) {
       for (i = 0; i < numOutputs; i++) {
-- 
2.30.2