From 8c4806ccc4d24b78fe2a2a7119333b965572e948 Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Wed, 9 Jan 2008 14:19:50 -0700
Subject: fix bug 13978: glDrawBuffersARB() didn't set all necessary state

---
 src/mesa/main/buffers.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/mesa/main/buffers.c')

diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c
index 2099977291..b08095465d 100644
--- a/src/mesa/main/buffers.c
+++ b/src/mesa/main/buffers.c
@@ -540,6 +540,7 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
       for (buf = 0; buf < n; buf++ ) {
          if (destMask[buf]) {
             fb->_ColorDrawBufferIndexes[buf] = _mesa_ffs(destMask[buf]) - 1;
+            fb->ColorDrawBuffer[buf] = buffers[buf];
             count = buf + 1;
          }
          else {
@@ -549,6 +550,7 @@ _mesa_drawbuffers(GLcontext *ctx, GLuint n, const GLenum *buffers,
       /* set remaining outputs to -1 (GL_NONE) */
       while (buf < ctx->Const.MaxDrawBuffers) {
          fb->_ColorDrawBufferIndexes[buf] = -1;
+         fb->ColorDrawBuffer[buf] = GL_NONE;
          buf++;
       }
       fb->_NumColorDrawBuffers = count;
-- 
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