Mesa (master): wgl: Call flush_resource() before presenting

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Module: Mesa
Branch: master
Commit: f49ff1548be1306ece10cb3399fa55227025cf49
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=f49ff1548be1306ece10cb3399fa55227025cf49

Author: Louis-Francis Ratté-Boulianne <lfrb at collabora.com>
Date:   Wed May 27 01:47:16 2020 -0400

wgl: Call flush_resource() before presenting

Reviewed-by: Charmaine Lee <charmainel at vmware.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7535>

---

 src/gallium/frontends/wgl/stw_st.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/frontends/wgl/stw_st.c b/src/gallium/frontends/wgl/stw_st.c
index b640e0b6ebe..5a6990139f6 100644
--- a/src/gallium/frontends/wgl/stw_st.c
+++ b/src/gallium/frontends/wgl/stw_st.c
@@ -267,6 +267,9 @@ notify_before_flush_cb(void* _args)
 
       /* FRONT_LEFT is resolved in flush_frontbuffer. */
    }
+
+   if (args->stwfb->textures[ST_ATTACHMENT_BACK_LEFT])
+      pipe->flush_resource(pipe, args->stwfb->textures[ST_ATTACHMENT_BACK_LEFT]);
 }
 
 void
@@ -335,6 +338,9 @@ stw_st_framebuffer_flush_front(struct st_context_iface *stctx,
       stw_pipe_blit(pipe, stwfb->textures[statt], stwfb->msaa_textures[statt]);
    }
 
+   if (stwfb->textures[statt])
+      pipe->flush_resource(pipe, stwfb->textures[statt]);
+
    pipe->flush(pipe, NULL, 0);
 
    /* We must not cache HDCs anywhere, as they can be invalidated by the