Mesa (mesa_7_7_branch): util: Set DISCARD & UNSYNCHRONIZED when uploading vertices sequentially.

[Jose Fonseca]

Module: Mesa
Branch: mesa_7_7_branch
Commit: 37246f854b49101b5a112cd5a0bd93bab1b78f7a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=37246f854b49101b5a112cd5a0bd93bab1b78f7a

Author: José Fonseca <jfonseca at vmware.com>
Date:   Thu Jan 21 09:38:47 2010 -0800

util: Set DISCARD & UNSYNCHRONIZED when uploading vertices sequentially.

---

 src/gallium/auxiliary/util/u_upload_mgr.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index 975ee89..55a6537 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -85,7 +85,9 @@ my_buffer_write(struct pipe_screen *screen,
 
    map = pipe_buffer_map_range(screen, buf, offset, size, 
                                PIPE_BUFFER_USAGE_CPU_WRITE |
-                               PIPE_BUFFER_USAGE_FLUSH_EXPLICIT);
+                               PIPE_BUFFER_USAGE_FLUSH_EXPLICIT |
+                               PIPE_BUFFER_USAGE_DISCARD |
+                               PIPE_BUFFER_USAGE_UNSYNCHRONIZED);
    if (map == NULL) 
       return PIPE_ERROR_OUT_OF_MEMORY;