diff options
| -rw-r--r-- | progs/glsl/CH11-bumpmap.frag | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/progs/glsl/CH11-bumpmap.frag b/progs/glsl/CH11-bumpmap.frag index 063576f5a3c..e12c5d374cd 100644 --- a/progs/glsl/CH11-bumpmap.frag +++ b/progs/glsl/CH11-bumpmap.frag @@ -24,7 +24,7 @@ void main() 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; } |