diff options
Diffstat (limited to 'src/renderergl2/glsl/fogpass_vp.glsl')
| -rw-r--r-- | src/renderergl2/glsl/fogpass_vp.glsl | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/renderergl2/glsl/fogpass_vp.glsl b/src/renderergl2/glsl/fogpass_vp.glsl index 40d14d9f..ce0e015b 100644 --- a/src/renderergl2/glsl/fogpass_vp.glsl +++ b/src/renderergl2/glsl/fogpass_vp.glsl @@ -85,13 +85,13 @@ float CalcFog(vec4 position) float s = dot(position, u_FogDistance) * 8.0; float t = dot(position, u_FogDepth); - bool eyeOutside = u_FogEyeT < 0.0; - float t2 = float(t >= float(eyeOutside)); + float eyeOutside = step(0.0, -u_FogEyeT); + float fogged = step(eyeOutside, t); + + t = max(t, 1e-6); + t *= fogged / (t - u_FogEyeT * eyeOutside); - if (eyeOutside) - t2 *= t / (t - u_FogEyeT); - - return s * t2; + return s * t; } void main() |