From 0db29ee48d4f4fd0858bcf7def39926e2ee19d63 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 1 Sep 2022 11:37:27 +1000
Subject: [PATCH] llvmpipe: finish rendering before flushing frontbuffer
 resources.

Fixes misrendering on front with mesa demos
---
 src/gallium/drivers/llvmpipe/lp_screen.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 333d7695ee7..0fcbcccedd2 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -51,6 +51,7 @@
 #include "lp_limits.h"
 #include "lp_rast.h"
 #include "lp_cs_tpool.h"
+#include "lp_flush.h"
 
 #include "frontend/sw_winsys.h"
 
@@ -835,8 +836,11 @@ llvmpipe_flush_frontbuffer(struct pipe_screen *_screen,
    struct llvmpipe_resource *texture = llvmpipe_resource(resource);
 
    assert(texture->dt);
-   if (texture->dt)
+
+   if (texture->dt) {
+      llvmpipe_flush_resource(_pipe, resource, 0, true, true, false, "frontbuffer");
       winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box);
+   }
 }
 
 static void
-- 
2.31.1