From d971069fc6f5dcec64b1f1a60a8a2e7063aaf018 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Thu, 5 Nov 2009 13:16:19 -0700
Subject: [PATCH] mesa: fix infinite loop bug in _mesa_drawbuffers()

Fixes bug 24946.
This regression came from 8df699b3bb1aa05b633f05b121d09d812c86a22d.
---
 src/mesa/main/buffers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index e76cf87cb02..7f77c5d7726 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -424,9 +424,10 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
       while (buf < ctx->Const.MaxDrawBuffers) {
          if (fb->_ColorDrawBufferIndexes[buf] != -1) {
             fb->_ColorDrawBufferIndexes[buf] = -1;
-            buf++;
+            newState = GL_TRUE;
          }
          fb->ColorDrawBuffer[buf] = GL_NONE;
+         buf++;
       }
       fb->_NumColorDrawBuffers = count;
    }
-- 
2.30.2