Mesa (mesa_7_5_branch): swrast: fix selection/feedback regression
Brian Paul
brianp at kemper.freedesktop.org
Mon Aug 31 23:57:23 UTC 2009
Module: Mesa
Branch: mesa_7_5_branch
Commit: 3f785080db33d437893564dded325452770699be
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3f785080db33d437893564dded325452770699be
Author: Brian Paul <brianp at vmware.com>
Date: Mon Aug 31 17:54:46 2009 -0600
swrast: fix selection/feedback regression
This fixes a conform selection/feedback regression introduced by commit
8f4d66c5f893b49eb3973aa3b31a856314c045c7
---
src/mesa/swrast/s_triangle.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index 1d2fed7..1ab0e19 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -61,7 +61,7 @@ _swrast_culltriangle( GLcontext *ctx,
GLfloat fy = v2->attrib[FRAG_ATTRIB_WPOS][1] - v0->attrib[FRAG_ATTRIB_WPOS][1];
GLfloat c = ex*fy-ey*fx;
- if (c * swrast->_BackfaceSign * swrast->_BackfaceCullSign < 0.0F)
+ if (c * swrast->_BackfaceSign * swrast->_BackfaceCullSign <= 0.0F)
return GL_FALSE;
return GL_TRUE;
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