From: José Fonseca <jfonseca@vmware.com>
Date: Sat, 10 Oct 2009 17:44:46 +0000 (+0100)
Subject: llvmpipe: Only invoke the shader if necessary.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0177c6e66cfddeb62feca86e7bd5ae763b9b5244;p=mesa.git

llvmpipe: Only invoke the shader if necessary.
---

diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c
index 6b5bee4af3c..f096972d638 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c
@@ -140,7 +140,8 @@ do_block( struct lp_rasterizer *rast,
 	 cx3 += xstep3;
       }
 
-      lp_rast_shade_quads(rast, &tri->inputs, x, y + iy, masks);
+      if(masks[0] || masks[1] || masks[2] || masks[3])
+         lp_rast_shade_quads(rast, &tri->inputs, x, y + iy, masks);
 
       c1 += ystep1;
       c2 += ystep2;