Implement multiple render target support in glBlitFramebufferANGLE.

TRAC #22679

Signed-off-by: Geoff Lang
Signed-off-by: Shannon Woods
Author: Jamie Madill

git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2095 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/Framebuffer.h b/src/libGLESv2/Framebuffer.h
index 9638e12..2160060 100644
--- a/src/libGLESv2/Framebuffer.h
+++ b/src/libGLESv2/Framebuffer.h
@@ -50,6 +50,7 @@
     Renderbuffer *getStencilbuffer() const;
     Renderbuffer *getDepthOrStencilbuffer() const;
     Renderbuffer *getReadColorbuffer() const;
+    GLenum getReadColorbufferType() const;
     Renderbuffer *getFirstColorBuffer() const;
 
     GLenum getColorbufferType(unsigned int colorAttachment) const;