swrast: fix incorrect specular highlights on backfaces

See bug 28577 for details.
NOTE: this is a candidate for the 7.8 branch.

Signed-off-by: Brian Paul <brianp@vmware.com>
(cherry picked from commit 64e32ffb6e)
This commit is contained in:
Tim Evans 2010-06-21 17:18:30 -06:00 committed by Tom Fogal
parent d06e0117e3
commit 74959ed201

View file

@ -159,7 +159,7 @@ static void _swsetup_render_tri(GLcontext *ctx,
}
#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b)
#define SS_SPEC(a,b) UNCLAMPED_FLOAT_TO_RGB_CHAN(a,b)
#define SS_SPEC(a,b) COPY_4V(a,b)
#define SS_IND(a,b) (a = b)
#define IND (0)