Mesa (master): mesa: Unbind ARB_transform_feedback2 binding points on Delete too.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 3edd2ba22bdb9abd4e2b10db4379f4182b5c3ecd
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3edd2ba22bdb9abd4e2b10db4379f4182b5c3ecd

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Mon Jun  4 00:51:34 2012 -0700

mesa: Unbind ARB_transform_feedback2 binding points on Delete too.

DeleteBuffer needs to unbind from these binding points as well, based on
the same rationale as the previous patch.

+51 oglconforms (together with the last patch).

NOTE: This is a candidate for stable release branches.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Brian Paul <brianp at vmware.com>

---

 src/mesa/main/bufferobj.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index fe7db2a..36a7619 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -42,6 +42,7 @@
 #include "mfeatures.h"
 #include "mtypes.h"
 #include "texobj.h"
+#include "transformfeedback.h"
 
 
 /* Debug flags */
@@ -829,10 +830,15 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
             _mesa_BindBufferARB( GL_COPY_WRITE_BUFFER, 0 );
          }
 
-         /* unbind transform feedback binding point */
+         /* unbind transform feedback binding points */
          if (ctx->TransformFeedback.CurrentBuffer == bufObj) {
             _mesa_BindBufferARB( GL_TRANSFORM_FEEDBACK_BUFFER, 0 );
          }
+         for (j = 0; j < MAX_FEEDBACK_ATTRIBS; j++) {
+            if (ctx->TransformFeedback.CurrentObject->Buffers[j] == bufObj) {
+               _mesa_BindBufferBase( GL_TRANSFORM_FEEDBACK_BUFFER, j, 0 );
+            }
+         }
 
          /* unbind any pixel pack/unpack pointers bound to this buffer */
          if (ctx->Pack.BufferObj == bufObj) {