diff options
| -rw-r--r-- | 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 1d2fed7169..1ab0e19f92 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; |