From 244adeb639cf13c531bcce78734b911fc19b943d Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 15 Dec 2004 00:54:17 +0000 Subject: [PATCH] s/DP3/DP3_SAT/ to prevent negative values --- progs/demos/arbfplight.c | 2 +- progs/demos/fplight.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/progs/demos/arbfplight.c b/progs/demos/arbfplight.c index 50a1b7e..d5508a6 100644 --- a/progs/demos/arbfplight.c +++ b/progs/demos/arbfplight.c @@ -217,7 +217,7 @@ static void Init( void ) "MUL normal, fragment.texcoord[0], len.y; \n" "# Compute dot product of light direction and normal vector\n" - "DP3 dotProd, lightDir, normal; \n" + "DP3_SAT dotProd, lightDir, normal; # limited to [0,1]\n" "MUL diffuseColor, Diffuse, dotProd; # diffuse attenuation\n" diff --git a/progs/demos/fplight.c b/progs/demos/fplight.c index 4f8b42a..6eb77c6 100644 --- a/progs/demos/fplight.c +++ b/progs/demos/fplight.c @@ -180,7 +180,7 @@ static void Init( void ) "MUL R1, f[TEX0], R1.y;\n" "# Compute dot product of light direction and normal vector\n" - "DP3 R2, R0, R1;" + "DP3_SAT R2, R0, R1;" "MUL R3, Diffuse, R2; # diffuse attenuation\n" -- 2.7.4