From a47b5764c0d801fb9fc23ee80c698ff042006cb6 Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Fri, 13 Jul 2007 12:23:34 -0600
Subject: comments

---
 src/mesa/pipe/softpipe/sp_quad_fs.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/mesa/pipe/softpipe')

diff --git a/src/mesa/pipe/softpipe/sp_quad_fs.c b/src/mesa/pipe/softpipe/sp_quad_fs.c
index b4470ac94a..7b1c90cba6 100644
--- a/src/mesa/pipe/softpipe/sp_quad_fs.c
+++ b/src/mesa/pipe/softpipe/sp_quad_fs.c
@@ -39,7 +39,7 @@
 #include "sp_quad.h"
 
 struct exec_machine {
-   const struct setup_coefficient *coef;
+   const struct setup_coefficient *coef; /**< will point to quad->coef */
 
    GLfloat attr[FRAG_ATTRIB_MAX][4][QUAD_SIZE];
 };
@@ -200,7 +200,9 @@ shade_quad( struct quad_stage *qs, struct quad_header *quad )
    }
 #endif
 
-   qs->next->run(qs->next, quad);
+   /* shader may cull fragments */
+   if (quad->mask)
+      qs->next->run(qs->next, quad);
 }
 
 
-- 
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