From 2b2154f0217758b27b544d066024d922ba234d51 Mon Sep 17 00:00:00 2001
From: RunitaiLinden <davep@lindenlab.com>
Date: Tue, 11 Apr 2023 15:09:58 -0500
Subject: SL-19564 Rebalance exposure and sky.  Hack legacy diffuse map
 saturation and brightness to allow ACES Hill all the time.

---
 .../shaders/class3/deferred/multiPointLightF.glsl           |  2 ++
 .../shaders/class3/deferred/multiSpotLightF.glsl            |  3 ++-
 .../app_settings/shaders/class3/deferred/pointLightF.glsl   |  3 ++-
 .../app_settings/shaders/class3/deferred/softenLightF.glsl  | 13 +++++++++++--
 .../app_settings/shaders/class3/deferred/spotLightF.glsl    |  2 ++
 5 files changed, 19 insertions(+), 4 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class3/deferred')

diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl
index 23ba95949a..5a2924afe5 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/multiPointLightF.glsl
@@ -58,6 +58,7 @@ vec4 getNormalEnvIntensityFlags(vec2 screenpos, out vec3 n, out float envIntensi
 vec2 getScreenXY(vec4 clip);
 vec2 getScreenCoord(vec4 clip);
 vec3 srgb_to_linear(vec3 c);
+vec3 legacy_adjust(vec3 c);
 
 // Util
 vec3 hue_to_rgb(float hue);
@@ -131,6 +132,7 @@ void main()
     }
     else
     {
+        diffuse.rgb = legacy_adjust(diffuse.rgb);
         diffuse = srgb_to_linear(diffuse);
         spec.rgb = srgb_to_linear(spec.rgb);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl
index 30b7895157..33e5b2346c 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/multiSpotLightF.glsl
@@ -83,6 +83,7 @@ vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n);
 vec2 getScreenXY(vec4 clip);
 vec2 getScreenCoord(vec4 clip);
 vec3 srgb_to_linear(vec3 cs);
+vec3 legacy_adjust(vec3 c);
 vec4 texture2DLodSpecular(vec2 tc, float lod);
 
 vec4 getPosition(vec2 pos_screen);
@@ -182,7 +183,7 @@ void main()
     }
     else
     {
-
+        diffuse = legacy_adjust(diffuse);
         diffuse = srgb_to_linear(diffuse);
         spec.rgb = srgb_to_linear(spec.rgb);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl
index 30b96ce8dc..471e5e7fd3 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/pointLightF.glsl
@@ -63,6 +63,7 @@ vec4 getPosition(vec2 pos_screen);
 vec2 getScreenXY(vec4 clip);
 vec2 getScreenCoord(vec4 clip);
 vec3 srgb_to_linear(vec3 c);
+vec3 legacy_adjust(vec3 c);
 float getDepth(vec2 tc);
 
 vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, 
@@ -121,7 +122,7 @@ void main()
         {
             discard;
         }
-
+        diffuse = legacy_adjust(diffuse);
         diffuse = srgb_to_linear(diffuse);
         spec.rgb = srgb_to_linear(spec.rgb);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index e1206cc844..8f5bd6141a 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -83,9 +83,12 @@ float getDepth(vec2 pos_screen);
 
 vec3 linear_to_srgb(vec3 c);
 vec3 srgb_to_linear(vec3 c);
+vec3 legacy_adjust(vec3 c);
 
 uniform vec4 waterPlane;
 
+uniform int cube_snapshot;
+
 #ifdef WATER_FOG
 vec4 applyWaterFogViewLinear(vec3 pos, vec4 color);
 #endif
@@ -207,12 +210,18 @@ void main()
     else if (!GET_GBUFFER_FLAG(GBUFFER_FLAG_HAS_ATMOS))
     {
         //should only be true of WL sky, just port over base color value
-        color = srgb_to_linear(texture2D(emissiveRect, tc).rgb);
-        color *= sun_up_factor * sky_hdr_scale + 1.0;
+        color = texture2D(emissiveRect, tc).rgb;
+        color = srgb_to_linear(color);
+        if (sun_up_factor > 0)
+        {
+           color *= sky_hdr_scale + 1.0;
+        }
     }
     else
     {
         // legacy shaders are still writng sRGB to gbuffer
+        baseColor.rgb = legacy_adjust(baseColor.rgb);
+
         baseColor.rgb = srgb_to_linear(baseColor.rgb);
         spec.rgb = srgb_to_linear(spec.rgb);
 
diff --git a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl
index 33ea2129cf..3d06bb27a5 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/spotLightF.glsl
@@ -91,6 +91,7 @@ vec3 getProjectedLightSpecularColor(vec3 pos, vec3 n);
 vec2 getScreenXY(vec4 clip_point);
 vec2 getScreenCoord(vec4 clip_point);
 vec3 srgb_to_linear(vec3 c);
+vec3 legacy_adjust(vec3 c);
 vec4 texture2DLodSpecular(vec2 tc, float lod);
 
 vec4 getPosition(vec2 pos_screen);
@@ -189,6 +190,7 @@ void main()
     }
     else
     {
+        diffuse = legacy_adjust(diffuse);
         diffuse = srgb_to_linear(diffuse);
         spec.rgb = srgb_to_linear(spec.rgb);
         
-- 
cgit v1.2.3