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s/DP3/DP3_SAT/ to prevent negative values

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Brian Paul 2004-12-15 00:54:17 +00:00
parent 968cbf94d9
commit 244adeb639
2 changed files with 2 additions and 2 deletions
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2
progs/demos/arbfplight.c
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@ -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"

2
progs/demos/fplight.c
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@ -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"