From 90f1677fe6b6a016d38e89d1ebb23ce255f17b74 Mon Sep 17 00:00:00 2001
From: Zack Rusin <zack@tungstengraphics.com>
Date: Sun, 21 Sep 2008 00:20:38 -0400
Subject: [PATCH] gallium: fix a fbo crash

don't dirty the fb if we're rebining the frontbuffer
---
 src/mesa/state_tracker/st_atom_framebuffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mesa/state_tracker/st_atom_framebuffer.c b/src/mesa/state_tracker/st_atom_framebuffer.c
index d07fd2517a7..c07ed2944a0 100644
--- a/src/mesa/state_tracker/st_atom_framebuffer.c
+++ b/src/mesa/state_tracker/st_atom_framebuffer.c
@@ -156,7 +156,9 @@ update_framebuffer_state( struct st_context *st )
 #if !defined(PIPE_OS_WINDOWS)
 #warning "fix me"
 #endif
-   st->frontbuffer_status = FRONT_STATUS_DIRTY;
+   if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
+      st->frontbuffer_status = FRONT_STATUS_DIRTY;
+   }
 #endif
 }
 
-- 
2.30.2