From 5cfbe97cd797d8f78ece208bb5114704b83d8aab Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 13 Jan 2012 16:54:57 +0100
Subject: libxtrans libXdmcp libxcb mesa xserver git update 13 jan 2012

---
 mesalib/src/mesa/main/readpix.c | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/mesalib/src/mesa/main/readpix.c b/mesalib/src/mesa/main/readpix.c
index 0c0e5394d..c1489d211 100644
--- a/mesalib/src/mesa/main/readpix.c
+++ b/mesalib/src/mesa/main/readpix.c
@@ -782,6 +782,11 @@ _mesa_ReadnPixelsARB( GLint x, GLint y, GLsizei width, GLsizei height,
       return;
    }
 
+   if (ctx->ReadBuffer->Name != 0 && ctx->ReadBuffer->Visual.samples > 0) {
+      _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(multisample FBO)");
+      return;
+   }
+
    if (!_mesa_source_buffer_exists(ctx, format)) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "glReadPixels(no readbuffer)");
       return;
-- 
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