Mesa (master): ilo: unref old fence

[Rob Clark]

Module: Mesa
Branch: master
Commit: 749dced4b363963b2230a18b0776fa92653116b8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=749dced4b363963b2230a18b0776fa92653116b8

Author: Rob Clark <robclark at freedesktop.org>
Date:   Wed Jul  8 14:51:10 2015 -0400

ilo: unref old fence

Some, but not all, state trackers will explicitly unref (and set to
NULL) the previous *fence before calling pipe->flush().  So driver
should use fence_ref() which will unref the old fence if not NULL.

Signed-off-by: Rob Clark <robclark at freedesktop.org>
Acked-by: Chia-I Wu <olvaffe at gmail.com>

---

 src/gallium/drivers/ilo/ilo_context.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gallium/drivers/ilo/ilo_context.c b/src/gallium/drivers/ilo/ilo_context.c
index 3d5c7b6..b9a16aa 100644
--- a/src/gallium/drivers/ilo/ilo_context.c
+++ b/src/gallium/drivers/ilo/ilo_context.c
@@ -62,6 +62,8 @@ ilo_flush(struct pipe_context *pipe,
          (flags & PIPE_FLUSH_END_OF_FRAME) ? "frame end" : "user request");
 
    if (f) {
+      struct pipe_screen *screen = pipe->screen;
+      screen->fence_reference(screen, f, NULL);
       *f = ilo_screen_fence_create(pipe->screen, ilo->cp->last_submitted_bo);
    }
 }