From 9508293e0186ded3be212a377b1fe39d68070da7 Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Thu, 8 May 2008 11:52:57 +0800
Subject: [PATCH] mesa: Call RENDER_FINISH on the zero pixel case.

---
 src/mesa/swrast/s_drawpix.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mesa/swrast/s_drawpix.c b/src/mesa/swrast/s_drawpix.c
index 81f5caa2706..730798c9084 100644
--- a/src/mesa/swrast/s_drawpix.c
+++ b/src/mesa/swrast/s_drawpix.c
@@ -840,8 +840,10 @@ _swrast_DrawPixels( GLcontext *ctx,
       _swrast_validate_derived( ctx );
 
     pixels = _mesa_map_drawpix_pbo(ctx, unpack, pixels);
-    if (!pixels)
+    if (!pixels) {
+       RENDER_FINISH(swrast,ctx);
        return;
+    }
 
    switch (format) {
    case GL_STENCIL_INDEX:
-- 
2.30.2