mesa: improved gl_buffer_object reference counting

[mesa.git] / src / mesa / main / arrayobj.c

diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c
index af2feb35538825bcca9222fbc359fa546148dd80..1461239317609a6773938cb936ae04bc6854010a 100644 (file)
--- a/src/mesa/main/arrayobj.c
+++ b/src/mesa/main/arrayobj.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  7.2
  *
- * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  * (C) Copyright IBM Corporation 2006
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -219,6 +219,15 @@ _mesa_remove_array_object( GLcontext *ctx, struct gl_array_object *obj )
 }
 
 
+static void
+unbind_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj )
+{
+   if (bufObj != ctx->Array.NullBufferObj) {
+      _mesa_reference_buffer_object(ctx, &bufObj, NULL);
+   }
+}
+
+
 /**********************************************************************/
 /* API Functions                                                      */
 /**********************************************************************/
@@ -320,18 +329,18 @@ _mesa_DeleteVertexArraysAPPLE(GLsizei n, const GLuint *ids)
         /* Unbind any buffer objects that might be bound to arrays in
          * this array object.
          */
-        _mesa_unbind_buffer_object( ctx, obj->Vertex.BufferObj );
-        _mesa_unbind_buffer_object( ctx, obj->Normal.BufferObj );
-        _mesa_unbind_buffer_object( ctx, obj->Color.BufferObj );
-        _mesa_unbind_buffer_object( ctx, obj->SecondaryColor.BufferObj );
-        _mesa_unbind_buffer_object( ctx, obj->FogCoord.BufferObj );
-        _mesa_unbind_buffer_object( ctx, obj->Index.BufferObj );
+        unbind_buffer_object( ctx, obj->Vertex.BufferObj );
+        unbind_buffer_object( ctx, obj->Normal.BufferObj );
+        unbind_buffer_object( ctx, obj->Color.BufferObj );
+        unbind_buffer_object( ctx, obj->SecondaryColor.BufferObj );
+        unbind_buffer_object( ctx, obj->FogCoord.BufferObj );
+        unbind_buffer_object( ctx, obj->Index.BufferObj );
         for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
-           _mesa_unbind_buffer_object( ctx, obj->TexCoord[i].BufferObj );
+           unbind_buffer_object( ctx, obj->TexCoord[i].BufferObj );
         }
-        _mesa_unbind_buffer_object( ctx, obj->EdgeFlag.BufferObj );
+        unbind_buffer_object( ctx, obj->EdgeFlag.BufferObj );
         for (i = 0; i < VERT_ATTRIB_MAX; i++) {
-           _mesa_unbind_buffer_object( ctx, obj->VertexAttrib[i].BufferObj );
+           unbind_buffer_object( ctx, obj->VertexAttrib[i].BufferObj );
         }
 #endif