Mesa (8.0): gallium/postprocess: Just to be safe, reference all buffers from outside

[Alex Deucher]

Module: Mesa
Branch: 8.0
Commit: 1c403f4999a12e696b420213be7283e6e6b27ffd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1c403f4999a12e696b420213be7283e6e6b27ffd

Author: Lauri Kasanen <cand at gmx.com>
Date:   Tue Jan 24 21:37:56 2012 +0200

gallium/postprocess: Just to be safe, reference all buffers from outside

Even though it should be safe to use them for one frame, better be sure.
Suggested by Michael Dänzer.

NOTE: This is a candidate for the 8.0 stable branch.

Signed-off-by: Lauri Kasanen <cand at gmx.com>
(cherry picked from commit 81938d2137a7a65521ca5a3cd7180902d063c5c0)

---

 src/gallium/auxiliary/postprocess/pp_run.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/src/gallium/auxiliary/postprocess/pp_run.c b/src/gallium/auxiliary/postprocess/pp_run.c
index be52051..aa1badc 100644
--- a/src/gallium/auxiliary/postprocess/pp_run.c
+++ b/src/gallium/auxiliary/postprocess/pp_run.c
@@ -64,6 +64,12 @@ pp_run(struct pp_queue_t *ppq, struct pipe_resource *in,
       in = ppq->tmp[0];
    }
 
+   // Kept only for this frame.
+   struct pipe_resource *refin = NULL, *refout = NULL;
+   pipe_resource_reference(&ppq->depth, indepth);
+   pipe_resource_reference(&refin, in);
+   pipe_resource_reference(&refout, out);
+
    switch (ppq->n_filters) {
    case 1:                     /* No temp buf */
       ppq->pp_queue[0] (ppq, in, out, 0);
@@ -93,6 +99,10 @@ pp_run(struct pp_queue_t *ppq, struct pipe_resource *in,
 
       break;
    }
+
+   pipe_resource_reference(&ppq->depth, NULL);
+   pipe_resource_reference(&refin, NULL);
+   pipe_resource_reference(&refout, NULL);
 }