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authorKeith Whitwell <keith@tungstengraphics.com>2001-08-14 00:59:08 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2001-08-14 00:59:08 +0000
commit76a52525c7edcefcb40a1cbc9ce88d6c6e402f1a (patch)
tree0401c0dac51bd19e8525ab68b0e1f924a0acc396 /src
parentbd9b4056d7e93529782f104b9e7bd7fdfa685878 (diff)
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Reenable, but only in the size four case...
Diffstat (limited to 'src')
-rw-r--r--src/mesa/tnl/t_imm_eval.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/mesa/tnl/t_imm_eval.c b/src/mesa/tnl/t_imm_eval.c
index f70f94a..c25b037 100644
--- a/src/mesa/tnl/t_imm_eval.c
+++ b/src/mesa/tnl/t_imm_eval.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_eval.c,v 1.16 2001/08/14 00:52:47 keithw Exp $ */
+/* $Id: t_imm_eval.c,v 1.17 2001/08/14 00:59:08 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -206,13 +206,15 @@ static void eval2_obj_norm( GLvector4f *obj_ptr,
_math_de_casteljau_surf(map->Points, obj[i], du, dv, u, v, dimension,
map->Uorder, map->Vorder);
-/* du[0] = du[0]*obj[i][3] - du[3]*obj[i][0]; */
-/* du[1] = du[1]*obj[i][3] - du[3]*obj[i][1]; */
-/* du[2] = du[2]*obj[i][3] - du[3]*obj[i][2]; */
+ if (dimension == 4) {
+ du[0] = du[0]*obj[i][3] - du[3]*obj[i][0];
+ du[1] = du[1]*obj[i][3] - du[3]*obj[i][1];
+ du[2] = du[2]*obj[i][3] - du[3]*obj[i][2];
-/* dv[0] = dv[0]*obj[i][3] - dv[3]*obj[i][0]; */
-/* dv[1] = dv[1]*obj[i][3] - dv[3]*obj[i][1]; */
-/* dv[2] = dv[2]*obj[i][3] - dv[3]*obj[i][2]; */
+ dv[0] = dv[0]*obj[i][3] - dv[3]*obj[i][0];
+ dv[1] = dv[1]*obj[i][3] - dv[3]*obj[i][1];
+ dv[2] = dv[2]*obj[i][3] - dv[3]*obj[i][2];
+ }
CROSS3(normal[i], du, dv);
NORMALIZE_3FV(normal[i]);