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fix polygon cull regression

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This commit is contained in:
Brian 2007-12-14 14:33:53 -07:00
parent 1837b8c214
commit 2ac5e08d1d
1 changed files with 3 additions and 7 deletions
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10
src/mesa/swrast/s_context.c
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@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
* Version: 6.5.3
* Version: 7.0.3
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
@ -128,21 +128,17 @@ _swrast_update_polygon( GLcontext *ctx )
GLfloat backface_sign;
if (ctx->Polygon.CullFlag) {
backface_sign = 1.0;
switch (ctx->Polygon.CullFaceMode) {
case GL_BACK:
if (ctx->Polygon.FrontFace == GL_CCW)
backface_sign = -1.0;
backface_sign = -1.0;
break;
case GL_FRONT:
if (ctx->Polygon.FrontFace != GL_CCW)
backface_sign = -1.0;
backface_sign = 1.0;
break;
case GL_FRONT_AND_BACK:
/* fallthrough */
default:
backface_sign = 0.0;
break;
}
}
else {