SL-19538 Followup -- fix for dynamic exposure having large gaps in it… (#157)

* SL-19538 Followup -- fix for dynamic exposure having large gaps in its luminance sampling.

* SL-19538 Followup -- review feedback changes.

1 files changed, 3 insertions, 1 deletions

diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index 22e93496d2..49ff49fdd8 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -36,7 +36,9 @@ vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
 { 
     light *= atten.r;
     additive = srgb_to_linear(additive*2.0);
-    additive *= sun_up_factor + 1.0;
+    // magic 3.0 here is to match the default RenderSkyHDRScale -- this parameter needs to be plumbed into sky settings or something
+    // so it's available to all shaders that call atmosFragLighting instead of just softenLightF.glsl
+    additive *= sun_up_factor*3.0 + 1.0; 
     light += additive;
     return light;
 }