From 92bd40b3fc3830028340969f2cc5c6a0720c4450 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Wed, 16 Jan 2013 08:28:39 +0100
Subject: libxtrans fontconfig glproto libX11 libXau libXext libXft libXinerama
 libXmu libfontenc mesa xkeyboard-config

libxtrans: d9f3728ff74ceb956f6cf8dc24b38611f9a4868a
fontconfig: ec5ca08c807585a9230f83c95f7cca6b7065b142
glproto: 8e3407e02980d088e20041e79bdcdd3737e7827e
libX11: f57fd760cba92ad846917f21e94e73e9c846185f
libXau: 1a8a1b2c68967b48c07b56142799b1020f017027
libXext: 8eee1236041d46a21faba32e0d27c26985267d89
libXft: c5e760a239afc62a1c75e0509868e35957c8df52
libXinerama: 470b9356af961ff7d3968b164aa73872b49a5dcc
libXmu: 474d22468c90f99104873b4c5fd7b0f0d2cbf823
libfontenc: 0c3518df24192f18f15ce91c2868560a5973a3dc
mesa: 3c00a52f7e02007f40fa53a06fad517bed0328ff
xkeyboard-config: 8a117fbd4a029b952afcfe362931628dccf496e4
---
 mesalib/src/mesa/main/framebuffer.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'mesalib/src/mesa/main/framebuffer.c')

diff --git a/mesalib/src/mesa/main/framebuffer.c b/mesalib/src/mesa/main/framebuffer.c
index 13887f8f5..8cbfbd6bc 100644
--- a/mesalib/src/mesa/main/framebuffer.c
+++ b/mesalib/src/mesa/main/framebuffer.c
@@ -42,6 +42,7 @@
 #include "framebuffer.h"
 #include "renderbuffer.h"
 #include "texobj.h"
+#include "glformats.h"
 
 
 
@@ -898,6 +899,26 @@ _mesa_get_color_read_type(struct gl_context *ctx)
 }
 
 
+/**
+ * Returns the read renderbuffer for the specified format.
+ */
+struct gl_renderbuffer *
+_mesa_get_read_renderbuffer_for_format(struct gl_context *ctx,
+                                       GLenum format)
+{
+   struct gl_framebuffer *rfb = ctx->ReadBuffer;
+
+   if (_mesa_is_color_format(format)) {
+      return rfb->Attachment[rfb->_ColorReadBufferIndex].Renderbuffer;
+   } else if (_mesa_is_depth_format(format) ||
+              _mesa_is_depthstencil_format(format)) {
+      return rfb->Attachment[BUFFER_DEPTH].Renderbuffer;
+   } else {
+      return rfb->Attachment[BUFFER_STENCIL].Renderbuffer;
+   }
+}
+
+
 /**
  * Print framebuffer info to stderr, for debugging.
  */
-- 
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