Mesa (10.6): st/mesa: fix front buffer regression after dropping st_validate_state in Blit

[Emil Velikov]

Module: Mesa
Branch: 10.6
Commit: 1805e6473992b5e4c083bfd1ba2acee33ad9fbd8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1805e6473992b5e4c083bfd1ba2acee33ad9fbd8

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Wed Sep 23 02:33:24 2015 +0200

st/mesa: fix front buffer regression after dropping st_validate_state in Blit

Broken by: d082c5324914212f76e45be497229c7a0681f706
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92072

Cc: 10.6 11.0 <mesa-stable at lists.freedesktop.org>
Tested-by: Ilia Mirkin <imirkin at alum.mit.edu>
(cherry picked from commit f3a081953393c7d40bd8df9ec22a2551d01098f5)

---

 src/mesa/state_tracker/st_cb_blit.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/state_tracker/st_cb_blit.c b/src/mesa/state_tracker/st_cb_blit.c
index 1396906..99ad421 100644
--- a/src/mesa/state_tracker/st_cb_blit.c
+++ b/src/mesa/state_tracker/st_cb_blit.c
@@ -228,6 +228,7 @@ st_BlitFramebuffer(struct gl_context *ctx,
                   st_adjust_blit_for_msaa_resolve(&blit);
 
                   st->pipe->blit(st->pipe, &blit);
+                  dstRb->defined = true; /* front buffer tracking */
                }
             }
          }
@@ -265,6 +266,7 @@ st_BlitFramebuffer(struct gl_context *ctx,
                   st_adjust_blit_for_msaa_resolve(&blit);
 
                   st->pipe->blit(st->pipe, &blit);
+                  dstRb->defined = true; /* front buffer tracking */
                }
             }
          }