Minimizes changes of the depth stencil buffer
TRAC #12154
This patch reduces calls to SetDepthStencilSurface
Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch

Author:    Shannon Woods

git-svn-id: https://angleproject.googlecode.com/svn/trunk@261 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Framebuffer.h b/src/libGLESv2/Framebuffer.h
index 72054e0..c35f940 100644
--- a/src/libGLESv2/Framebuffer.h
+++ b/src/libGLESv2/Framebuffer.h
@@ -40,6 +40,7 @@
     IDirect3DSurface9 *getDepthStencil();
 
     unsigned int getRenderTargetSerial();
+    unsigned int getDepthbufferSerial();
 
     Colorbuffer *getColorbuffer();
     Depthbuffer *getDepthbuffer();