diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl index d1b9418ee9..a49713afce 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl @@ -48,6 +48,14 @@ const float ONE_OVER_PI = 0.3183098861; vec3 srgb_to_linear(vec3 cs); +float calcLegacyDistanceAttenuation(float distance, float falloff) +{ + float dist_atten = 1.0 - clamp((distance + falloff)/(1.0 + falloff), 0.0, 1.0); + dist_atten *= dist_atten; + dist_atten *= 2.0; + return dist_atten; +} + // In: // lv unnormalized surface to light vector // n normal of the surface |