From bfa046b5f2e50a0297ecb7e325395367362c4c39 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 31 Jul 2012 12:46:25 -0700
Subject: mesa: Unbind uniform buffer bindings on glDeleteBuffers().

Fixes piglit GL_ARB_uniform_buffer_object/deletebuffers.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
---
 src/mesa/main/bufferobj.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 0e3216009b0..22d7927bbcb 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -886,6 +886,13 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
             }
          }
 
+         /* unbind UBO binding points */
+         for (j = 0; j < ctx->Const.MaxUniformBufferBindings; j++) {
+            if (ctx->UniformBufferBindings[j].BufferObject == bufObj) {
+               _mesa_BindBufferBase( GL_UNIFORM_BUFFER, j, 0 );
+            }
+         }
+
          if (ctx->UniformBuffer == bufObj) {
             _mesa_BindBufferARB( GL_UNIFORM_BUFFER, 0 );
          }
-- 
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