| commit | b3a68b24bd601a4fcffb701bbd73864ed92a05e1 | [log] [tgz] |
|---|---|---|
| author | Brian Paul <brian.paul@tungstengraphics.com> | Fri Oct 10 12:04:49 2008 -0600 |
| committer | Brian Paul <brian.paul@tungstengraphics.com> | Fri Oct 10 12:04:49 2008 -0600 |
| tree | d7831ecb48a0520a2fb88bb669177796480cf10e | |
| parent | a45d293fd9a1432404a7e26f97cb20b2a0c43654 [diff] [blame] |
replace 1.0/sqrt() with inversesqrt()
diff --git a/progs/glsl/CH11-bumpmap.frag b/progs/glsl/CH11-bumpmap.frag index 063576f..e12c5d3 100644 --- a/progs/glsl/CH11-bumpmap.frag +++ b/progs/glsl/CH11-bumpmap.frag
@@ -24,7 +24,7 @@ float d, f; d = p.x * p.x + p.y * p.y; - f = 1.0 / sqrt(d + 1.0); + f = inversesqrt(d + 1.0); if (d >= BumpSize) { p = vec2(0.0); f = 1.0; }