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| author | Ptolemy <ptolemy@lindenlab.com> | 2022-08-24 17:21:32 -0700 |
|---|---|---|
| committer | Ptolemy <ptolemy@lindenlab.com> | 2022-08-24 17:21:32 -0700 |
| commit | becdf08d0f79a1a676fdc51d5c889dbab5954832 (patch) | |
| tree | e0c14fb1b59cd1e23fa2a81c31030f8518944eab /indra/newview/app_settings/shaders/class1/deferred | |
| parent | 5b7d8b61e0720aee1ef6c7d6e44ada87ca556d54 (diff) | |
SL-17702: PBR: Use legacy attenuation for point lights
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
| -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 |