ref: 86c69551a61c44bcc13882fc8f7d4d5988320e90
parent: de91fa69c4e41849e53cec403df29bfbafd11b11
author: MHS <gek@katherine>
date: Mon Mar 22 06:01:24 EDT 2021
Automatic commit.
--- a/src/light.c
+++ b/src/light.c
@@ -280,9 +280,8 @@
d.Y = l->position.v[1] - v->ec.v[1];
d.Z = l->position.v[2] - v->ec.v[2];
#if TGL_FEATURE_FISR == 1
- tmp = fastInvSqrt(d.X * d.X + d.Y * d.Y + d.Z * d.Z); //FISR IMPL, MATCHED!
- dist = 1.0f/tmp;
- if (dist > 1E-3) {+ tmp = clampf(fastInvSqrt(d.X * d.X + d.Y * d.Y + d.Z * d.Z),0,1); //FISR IMPL, MATCHED!
+ {d.X *= tmp;
d.Y *= tmp;
d.Z *= tmp;
@@ -343,8 +342,6 @@
s.X = d.X; //+0.0
s.Y = d.Y; //+0.0
s.Z = d.Z - 1.0;
- //s.Z = d.Z + 1.0; //Verified that this is... "supposed" to be the right thing...
- //s.Z = d.Z;
}
//dot_spec is dot(surfaceNormal, H)
dot_spec = n.X * s.X + n.Y * s.Y + n.Z * s.Z;
@@ -357,10 +354,12 @@
#endif
dot_spec = clampf(dot_spec, 0, 1);
#if TGL_FEATURE_FISR == 1
- tmp = fastInvSqrt(s.X * s.X + s.Y * s.Y + s.Z * s.Z); //FISR IMPL, MATCHED!
- if (tmp < 1E+3) {+ tmp = clampf(fastInvSqrt(s.X * s.X + s.Y * s.Y + s.Z * s.Z),0,1); //FISR IMPL, MATCHED!
+ //if (tmp < 1E+3)
+ {dot_spec = dot_spec * tmp;
- } else dot_spec = 0;
+ }
+ // else dot_spec = 0;
#else
//reference implementation.
tmp= sqrt(s.X*s.X+s.Y*s.Y+s.Z*s.Z);