From aec7af04e4d587de5e562d7f96462eb4dbd726ce Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 26 Dec 2014 12:21:43 +0000
Subject: [PATCH] If we're retyping in BindBuffer(), remove any redundant
 BindBuffer()s

---
 .../driver/gl/wrappers/gl_buffer_funcs.cpp     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp b/renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp
index 2e42ee8fb..052ab40d4 100644
--- a/renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp
+++ b/renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp
@@ -174,6 +174,24 @@ void WrappedOpenGL::glBindBuffer(GLenum target, GLuint buffer)
 		if(r->datatype != target)
 		{
 			Chunk *chunk = NULL;
+			
+			r->LockChunks();
+			while(true)
+			{
+				Chunk *end = r->GetLastChunk();
+
+				if(end->GetChunkType() == BIND_BUFFER)
+				{
+					SAFE_DELETE(end);
+
+					r->PopChunk();
+
+					continue;
+				}
+
+				break;
+			}
+			r->UnlockChunks();
 
 			{
 				SCOPED_SERIALISE_CONTEXT(BIND_BUFFER);