Merge remote-tracking branch 'secondlife/DRTVWR-559' into DRTVWR-559

23 files changed, 293 insertions, 104 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 21d8722f56..549f8bb228 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -10665,7 +10665,7 @@
     <key>Type</key>
     <string>F32</string>
     <key>Value</key>
-    <real>0.5</real>
+    <real>1.0</real>
   </map>
   <key>RenderSkyAutoAdjustHDRScale</key>
   <map>
@@ -10678,6 +10678,73 @@
     <key>Value</key>
     <real>2.0</real>
   </map>
+  <key>RendeSkyAutoAdjustBlueHorizonScale</key>
+  <map>
+    <key>Comment</key>
+    <string>Blue Horizon Scale value to use when auto-adjusting legacy skies</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>1.0</real>
+  </map>
+  <key>RendeSkyAutoAdjustBlueDensityScale</key>
+  <map>
+    <key>Comment</key>
+    <string>Blue Horizon Scale value to use when auto-adjusting legacy skies</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>1.0</real>
+  </map>
+  <key>RenderSkyAutoAdjustSunColorScale</key>
+  <map>
+    <key>Comment</key>
+    <string>Sun color scalar when auto-adjusting legacy skies</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>1.0</real>
+  </map>
+  <key>RenderSkyAutoAdjustProbeAmbiance</key>
+  <map>
+    <key>Comment</key>
+    <string>Probe ambiance value when auto-adjusting legacy skies</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0.001</real>
+  </map>
+  <key>RenderSkySunlightScale</key>
+  <map>
+    <key>Comment</key>
+    <string>Sunlight scale fudge factor for matching with pre-PBR viewer</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>1.0</real>
+  </map>
+  <key>RenderSkyAmbientScale</key>
+  <map>
+    <key>Comment</key>
+    <string>Ambient scale fudge factor for matching with pre-PBR viewer</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>0.7</real>
+  </map>
+  
   <key>RenderReflectionProbeMaxLocalLightAmbiance</key>
   <map>
     <key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
index 53e4f02314..64e6bc9da2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
@@ -105,7 +105,8 @@ vec3 toneMap(vec3 color)
     
     color *= exposure * exp_scale;
 
-    color = toneMapACES_Hill(color);
+    // mix ACES and Linear here as a compromise to avoid over-darkening legacy content
+    color = mix(toneMapACES_Hill(color), color, 0.333);
 #endif
 
     return color;
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
index 437fa0a6d5..a8aa5a36a3 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl
@@ -39,7 +39,8 @@ uniform float max_y;
 uniform vec3  glow;
 uniform float scene_light_strength;
 uniform float sun_moon_glow_factor;
-uniform float sky_hdr_scale;
+uniform float sky_sunlight_scale;
+uniform float sky_ambient_scale;
 
 float getAmbientClamp() { return 1.0f; }
 
@@ -148,12 +149,9 @@ void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, ou
 
     // multiply to get similar colors as when the "scaleSoftClip" implementation was doubling color values
     // (allows for mixing of light sources other than sunlight e.g. reflection probes)
-    sunlit *= 1.5;
-    amblit *= 0.5;
+    sunlit *= sky_sunlight_scale;
+    amblit *= sky_ambient_scale;
     
-    // override amblit with ambient_color if sky probe ambiance is not zero
-    amblit = mix(amblit, ambient_color, clamp(sky_hdr_scale-1.0, 0.0, 1.0));
-
     amblit = srgb_to_linear(amblit);
     amblit *= ambientLighting(norm, light_dir);
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index da5f997429..3a251af240 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -85,7 +85,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
 float getAmbientClamp();
 
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit_linear);
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, float ambiance)
 {
@@ -251,7 +251,7 @@ void main()
     vec3 irradiance;
     vec3 glossenv;
     vec3 legacyenv;
-    sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, frag, pos.xyz, norm.xyz, 0.0, 0.0, true);
+    sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, frag, pos.xyz, norm.xyz, 0.0, 0.0, true, amblit_linear);
     
 
     float da = dot(norm.xyz, light_dir.xyz);
@@ -266,7 +266,7 @@ void main()
 
     vec3 sun_contrib = min(final_da, shadow) * sunlit_linear;
 
-    color.rgb = max(amblit, irradiance);
+    color.rgb = irradiance;
 
     color.rgb += sun_contrib;
 
diff --git a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
index e8db856b1f..be66b6feb2 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
@@ -92,7 +92,7 @@ void calcHalfVectors(vec3 lv, vec3 n, vec3 v, out vec3 h, out vec3 l, out float
 float calcLegacyDistanceAttenuation(float distance, float falloff);
 float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
 void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, 
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit_linear);
 
 void waterClip(vec3 pos);
 
@@ -224,11 +224,8 @@ void main()
     float gloss      = 1.0 - perceptualRoughness;
     vec3  irradiance = vec3(0);
     vec3  radiance  = vec3(0);
-    sampleReflectionProbes(irradiance, radiance, vary_position.xy*0.5+0.5, pos.xyz, norm.xyz, gloss, true);
-    // Take maximium of legacy ambient vs irradiance sample as irradiance
-    // NOTE: ao is applied in pbrIbl (see pbrBaseLight), do not apply here
-    irradiance       = max(amblit,irradiance);
-
+    sampleReflectionProbes(irradiance, radiance, vary_position.xy*0.5+0.5, pos.xyz, norm.xyz, gloss, true, amblit);
+    
     vec3 diffuseColor;
     vec3 specularColor;
     calcDiffuseSpecular(col.rgb, metallic, diffuseColor, specularColor);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl
index aa6f5a3b62..52e71edcac 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl
@@ -34,7 +34,7 @@ uniform mat3 env_mat;
 vec3 srgb_to_linear(vec3 c);
 
 void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit_linear)
 {
     ambenv = vec3(reflection_probe_ambiance * 0.25);
     
@@ -44,9 +44,9 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
 }
 
 void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, vec3 amblit_linear)
 {
-    sampleReflectionProbes(ambenv, glossenv, tc, pos, norm, glossiness, false);
+    sampleReflectionProbes(ambenv, glossenv, tc, pos, norm, glossiness, false, amblit_linear);
 }
 
 vec4 sampleReflectionProbesDebug(vec3 pos)
@@ -56,7 +56,7 @@ vec4 sampleReflectionProbesDebug(vec3 pos)
 }
 
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit_linear)
 {
     ambenv = vec3(reflection_probe_ambiance * 0.25);
     
diff --git a/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl
index 1537714bb7..54a887262b 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/fullbrightShinyF.glsl
@@ -49,7 +49,7 @@ vec3 srgb_to_linear(vec3 c);
 
 // reflection probe interface
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit_linear);
 
 void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity);
 
@@ -80,7 +80,7 @@ void main()
     vec3 legacyenv;
     vec3 norm = normalize(vary_texcoord1.xyz);
     vec4 spec = vec4(0,0,0,0);
-    sampleReflectionProbesLegacy(ambenv, glossenv, legacyenv, vec2(0), pos.xyz, norm.xyz, spec.a, env_intensity, false);
+    sampleReflectionProbesLegacy(ambenv, glossenv, legacyenv, vec2(0), pos.xyz, norm.xyz, spec.a, env_intensity, false, amblit);
 
     color.rgb = legacy_adjust(color.rgb);
     color.rgb = srgb_to_linear(color.rgb);
diff --git a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
index 82e2de0c0f..319f2f25b7 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
@@ -60,7 +60,7 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
 #endif
 
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit_linear);
 void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm);
 void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity);
 
@@ -339,10 +339,9 @@ void main()
     vec3 ambenv;
     vec3 glossenv;
     vec3 legacyenv;
-    sampleReflectionProbesLegacy(ambenv, glossenv, legacyenv, pos.xy*0.5+0.5, pos.xyz, norm.xyz, glossiness, env, true);
+    sampleReflectionProbesLegacy(ambenv, glossenv, legacyenv, pos.xy*0.5+0.5, pos.xyz, norm.xyz, glossiness, env, true, amblit_linear);
     
-    // use sky settings ambient or irradiance map sample, whichever is brighter
-    color = max(amblit_linear, ambenv);
+    color = ambenv;
 
     float da          = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0);
     vec3 sun_contrib = min(da, shadow) * sunlit_linear;
diff --git a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl
index 41821def8e..906e66ecc8 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl
@@ -530,7 +530,7 @@ vec3 tapRefMap(vec3 pos, vec3 dir, out float w, out float dw, float lod, vec3 c,
 // w - weight of sample (distance and angular attenuation)
 // dw - weight of sample (distance only)
 // i - index of probe 
-vec3 tapIrradianceMap(vec3 pos, vec3 dir, out float w, out float dw, vec3 c, int i)
+vec3 tapIrradianceMap(vec3 pos, vec3 dir, out float w, out float dw, vec3 c, int i, vec3 amblit)
 {
     // parallax adjustment
     vec3 v;
@@ -556,9 +556,12 @@ vec3 tapIrradianceMap(vec3 pos, vec3 dir, out float w, out float dw, vec3 c, int
 
     v -= c;
     v = env_mat * v;
-    {
-        return textureLod(irradianceProbes, vec4(v.xyz, refIndex[i].x), 0).rgb * refParams[i].x;
-    }
+    
+    vec3 col = textureLod(irradianceProbes, vec4(v.xyz, refIndex[i].x), 0).rgb * refParams[i].x;
+
+    col = mix(amblit, col, min(refParams[i].x, 1.0));
+
+    return col;
 }
 
 vec3 sampleProbes(vec3 pos, vec3 dir, float lod)
@@ -619,7 +622,7 @@ vec3 sampleProbes(vec3 pos, vec3 dir, float lod)
     return col[1]+col[0];
 }
 
-vec3 sampleProbeAmbient(vec3 pos, vec3 dir)
+vec3 sampleProbeAmbient(vec3 pos, vec3 dir, vec3 amblit)
 {
     // modified copy/paste of sampleProbes follows, will likely diverge from sampleProbes further
     // as irradiance map mixing is tuned independently of radiance map mixing
@@ -649,7 +652,7 @@ vec3 sampleProbeAmbient(vec3 pos, vec3 dir)
             float w = 0;
             float dw = 0;
 
-            vec3 refcol = tapIrradianceMap(pos, dir, w, dw, refSphere[i].xyz, i);
+            vec3 refcol = tapIrradianceMap(pos, dir, w, dw, refSphere[i].xyz, i, amblit);
 
             col[p] += refcol*w;
             wsum[p] += w;
@@ -679,14 +682,14 @@ vec3 sampleProbeAmbient(vec3 pos, vec3 dir)
 }
 
 void doProbeSample(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit)
 {
     // TODO - don't hard code lods
     float reflection_lods = max_probe_lod;
 
     vec3 refnormpersp = reflect(pos.xyz, norm.xyz);
 
-    ambenv = sampleProbeAmbient(pos, norm);
+    ambenv = sampleProbeAmbient(pos, norm, amblit);
 
     float lod = (1.0-glossiness)*reflection_lods;
     glossenv = sampleProbes(pos, normalize(refnormpersp), lod);
@@ -712,14 +715,14 @@ void doProbeSample(inout vec3 ambenv, inout vec3 glossenv,
 }
 
 void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit)
 {
     preProbeSample(pos);
-    doProbeSample(ambenv, glossenv, tc, pos, norm, glossiness, transparent);
+    doProbeSample(ambenv, glossenv, tc, pos, norm, glossiness, transparent, amblit);
 }
 
 void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, vec3 amblit)
 {
     // don't sample automatic probes for water
     sample_automatic = false;
@@ -728,7 +731,7 @@ void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv,
     // always include void probe on water
     probeIndex[probeInfluences++] = 0;
 
-    doProbeSample(ambenv, glossenv, tc, pos, norm, glossiness, false);
+    doProbeSample(ambenv, glossenv, tc, pos, norm, glossiness, false, amblit);
 
     // fudge factor to get PBR water at a similar luminance ot legacy water
     glossenv *= 0.4;
@@ -783,14 +786,14 @@ vec4 sampleReflectionProbesDebug(vec3 pos)
 }
 
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit)
 {
     float reflection_lods = max_probe_lod;
     preProbeSample(pos);
 
     vec3 refnormpersp = reflect(pos.xyz, norm.xyz);
 
-    ambenv = sampleProbeAmbient(pos, norm);
+    ambenv = sampleProbeAmbient(pos, norm, amblit);
 
     if (glossiness > 0.0)
     {
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 4ef003e0cb..8b0ea23897 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -69,9 +69,9 @@ vec3  scaleSoftClipFragLinear(vec3 l);
 
 // reflection probe interface
 void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
-    vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent);
+    vec2 tc, vec3 pos, vec3 norm, float glossiness, bool transparent, vec3 amblit_linear);
 void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity, bool transparent, vec3 amblit_linear);
 void applyGlossEnv(inout vec3 color, vec3 glossenv, vec4 spec, vec3 pos, vec3 norm);
 void applyLegacyEnv(inout vec3 color, vec3 legacyenv, vec4 spec, vec3 pos, vec3 norm, float envIntensity);
 float getDepth(vec2 pos_screen);
@@ -117,10 +117,10 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor,
                     vec3 l); //surface point to light
 
 
-void adjustIrradiance(inout vec3 irradiance, vec3 amblit_linear, float ambocc)
+void adjustIrradiance(inout vec3 irradiance, float ambocc)
 {
     // use sky settings ambient or irradiance map sample, whichever is brighter
-    irradiance = max(amblit_linear, irradiance);
+    //irradiance = max(amblit_linear, irradiance);
 
 #if defined(HAS_SSAO)
     irradiance = mix(ssao_effect_mat * min(irradiance.rgb*ssao_irradiance_scale, vec3(ssao_irradiance_max)), irradiance.rgb, ambocc);
@@ -194,9 +194,9 @@ void main()
         // PBR IBL
         float gloss      = 1.0 - perceptualRoughness;
         
-        sampleReflectionProbes(irradiance, radiance, tc, pos.xyz, norm.xyz, gloss, false);
+        sampleReflectionProbes(irradiance, radiance, tc, pos.xyz, norm.xyz, gloss, false, amblit_linear);
         
-        adjustIrradiance(irradiance, amblit_linear, ambocc);
+        adjustIrradiance(irradiance, ambocc);
 
         vec3 diffuseColor;
         vec3 specularColor;
@@ -232,9 +232,9 @@ void main()
         vec3 glossenv = vec3(0);
         vec3 legacyenv = vec3(0);
 
-        sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, tc, pos.xyz, norm.xyz, spec.a, envIntensity, false);
+        sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, tc, pos.xyz, norm.xyz, spec.a, envIntensity, false, amblit_linear);
         
-        adjustIrradiance(irradiance, amblit_linear, ambocc);
+        adjustIrradiance(irradiance, ambocc);
 
         // apply lambertian IBL only (see pbrIbl)
         color.rgb = irradiance;
diff --git a/indra/newview/app_settings/shaders/class3/environment/waterF.glsl b/indra/newview/app_settings/shaders/class3/environment/waterF.glsl
index 8fee259933..4f79dd1ac5 100644
--- a/indra/newview/app_settings/shaders/class3/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class3/environment/waterF.glsl
@@ -124,7 +124,7 @@ vec3 transform_normal(vec3 vNt)
 }
 
 void sampleReflectionProbesWater(inout vec3 ambenv, inout vec3 glossenv,
-        vec2 tc, vec3 pos, vec3 norm, float glossiness);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, vec3 amblit_linear);
 
 vec3 getPositionWithNDC(vec3 ndc);
 
@@ -237,7 +237,7 @@ void main()
     
     vec3  irradiance = vec3(0);
     vec3  radiance  = vec3(0);
-    sampleReflectionProbesWater(irradiance, radiance, distort2, pos.xyz, wave_ibl.xyz, gloss);
+    sampleReflectionProbesWater(irradiance, radiance, distort2, pos.xyz, wave_ibl.xyz, gloss, amblit);
 
     irradiance       = vec3(0);
 
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index 0545377543..832e2dac7a 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -4175,7 +4175,7 @@ U32 LLAppViewer::getObjectCacheVersion()
 {
 	// Viewer object cache version, change if object update
 	// format changes. JC
-	const U32 INDRA_OBJECT_CACHE_VERSION = 16;
+	const U32 INDRA_OBJECT_CACHE_VERSION = 17;
 
 	return INDRA_OBJECT_CACHE_VERSION;
 }
diff --git a/indra/newview/llgltfmateriallist.cpp b/indra/newview/llgltfmateriallist.cpp
index 99a052f719..8919229c78 100644
--- a/indra/newview/llgltfmateriallist.cpp
+++ b/indra/newview/llgltfmateriallist.cpp
@@ -160,9 +160,9 @@ public:
         //  sides - array of S32 indices of texture entries
         //  gltf_json - array of corresponding Strings of GLTF json for override data
 
-
         LLSD message;
         bool success = true;
+#if 0 //deprecated
         for(const std::string& llsdRaw : strings)
         {
             std::istringstream llsdData(llsdRaw);
@@ -198,6 +198,7 @@ public:
             applyData(object_override);
         }
 
+#endif
         return success;
     }
 
@@ -213,6 +214,7 @@ public:
     {
         // Parse the data
 
+#if 0 // DEPRECATED
         LL::WorkQueue::ptr_t main_queue = LL::WorkQueue::getInstance("mainloop");
         LL::WorkQueue::ptr_t general_queue = LL::WorkQueue::getInstance("General");
 
@@ -235,24 +237,17 @@ public:
 
                 results.reserve(sides.size());
                 // parse json
-                std::unordered_map<S32, std::string>::const_iterator iter = sides.begin();
-                std::unordered_map<S32, std::string>::const_iterator end = sides.end();
+                std::unordered_map<S32, LLSD>::const_iterator iter = sides.begin();
+                std::unordered_map<S32, LLSD>::const_iterator end = sides.end();
                 while (iter != end)
                 {
-                    std::string warn_msg, error_msg;
-
                     ReturnData result;
 
-                    bool success = result.mMaterial.fromJSON(iter->second, warn_msg, error_msg);
-
-                    result.mSuccess = success;
+                    result.mMaterial.applyOverrideLLSD(iter->second);
+                    
+                    result.mSuccess = true;
                     result.mSide = iter->first;
 
-                    if (!success)
-                    {
-                        LL_WARNS("GLTF") << "failed to parse GLTF override data.  errors: " << error_msg << " | warnings: " << warn_msg << LL_ENDL;
-                    }
-
                     results.push_back(result);
                     iter++;
                 }
@@ -318,6 +313,7 @@ public:
                 }
             });
         }
+#endif
     }
 
 private:
@@ -330,6 +326,89 @@ namespace
     LLGLTFMaterialOverrideDispatchHandler handle_gltf_override_message;
 }
 
+void LLGLTFMaterialList::applyOverrideMessage(LLMessageSystem* msg, const std::string& data_in)
+{
+    std::istringstream str(data_in);
+
+    LLSD data;
+
+    LLSDSerialize::fromNotation(data, str, data_in.length());
+
+    const LLHost& host = msg->getSender();
+    
+    LLViewerRegion* region = LLWorld::instance().getRegion(host);
+    llassert(region);
+
+    if (region)
+    {
+        U32 local_id = data.get("id").asInteger();
+        LLUUID id;
+        gObjectList.getUUIDFromLocal(id, local_id, host.getAddress(), host.getPort());
+        LLViewerObject* obj = gObjectList.findObject(id);
+
+        // NOTE: obj may be null if the viewer hasn't heard about the object yet, cache update in any case
+
+        if (obj && gShowObjectUpdates)
+        { // display a cyan blip for override updates when "Show Updates to Objects" enabled
+            LLColor4 color(0.f, 1.f, 1.f, 1.f);
+            gPipeline.addDebugBlip(obj->getPositionAgent(), color);
+        }
+
+        const LLSD& tes = data["te"];
+        const LLSD& od = data["od"];
+
+        constexpr U32 MAX_TES = 45;
+        bool has_te[MAX_TES] = { false };
+
+        if (tes.isArray()) // NOTE: if no "te" array exists, this is a malformed message (null out all overrides will come in as an empty te array)
+        { 
+            LLGLTFOverrideCacheEntry cache;
+            cache.mLocalId = local_id;
+            cache.mObjectId = id;
+            cache.mRegionHandle = region->getHandle();
+
+            U32 count = llmin(tes.size(), MAX_TES);
+            for (U32 i = 0; i < count; ++i)
+            {
+                LLGLTFMaterial* mat = new LLGLTFMaterial(); // setTEGLTFMaterialOverride and cache will take ownership
+                mat->applyOverrideLLSD(od[i]);
+
+                S32 te = tes[i].asInteger();
+
+                has_te[te] = true;
+                cache.mSides[te] = od[i];
+                cache.mGLTFMaterial[te] = mat;
+
+                if (obj)
+                {
+                    obj->setTEGLTFMaterialOverride(te, mat);
+                    if (obj->getTE(te) && obj->getTE(te)->isSelected())
+                    {
+                        handle_gltf_override_message.doSelectionCallbacks(id, te);
+                    }
+                }
+            }
+
+            if (obj)
+            { // null out overrides on TEs that shouldn't have them
+                U32 count = llmin(obj->getNumTEs(), MAX_TES);
+                for (U32 i = 0; i < count; ++i)
+                {
+                    LLTextureEntry* te = obj->getTE(i);
+                    if (!has_te[i] && te && te->getGLTFMaterialOverride())
+                    {
+                        obj->setTEGLTFMaterialOverride(i, nullptr);
+                        handle_gltf_override_message.doSelectionCallbacks(id, i);
+                    }
+                }
+            }
+
+            region->cacheFullUpdateGLTFOverride(cache);
+        }
+
+    }
+}
+
 void LLGLTFMaterialList::queueOverrideUpdate(const LLUUID& id, S32 side, LLGLTFMaterial* override_data)
 {
 #if 0
diff --git a/indra/newview/llgltfmateriallist.h b/indra/newview/llgltfmateriallist.h
index ce8781baba..7317214019 100644
--- a/indra/newview/llgltfmateriallist.h
+++ b/indra/newview/llgltfmateriallist.h
@@ -101,6 +101,9 @@ public:
 
     static void loadCacheOverrides(const LLGLTFOverrideCacheEntry& override);
 
+    // Apply an override update with the given data
+    void applyOverrideMessage(LLMessageSystem* msg, const std::string& data);
+
 private:
     friend class LLGLTFMaterialOverrideDispatchHandler;
     // save an override update that we got from the simulator for later (for example, if an override arrived for an unknown object)
diff --git a/indra/newview/llreflectionmap.cpp b/indra/newview/llreflectionmap.cpp
index a039c8072a..ec54fa1165 100644
--- a/indra/newview/llreflectionmap.cpp
+++ b/indra/newview/llreflectionmap.cpp
@@ -157,6 +157,10 @@ void LLReflectionMap::autoAdjustOrigin()
             }
 
             mRadius = llmax(sqrtf(r2.getF32()), 8.f);
+
+            // make sure near clip doesn't poke through ground
+            fp[2] = llmax(fp[2], height+mRadius*0.5f);
+            
         }
     }
     else if (mViewerObject)
@@ -204,6 +208,14 @@ F32 LLReflectionMap::getNearClip()
     {
         ret = ((LLVOVolume*)mViewerObject)->getReflectionProbeNearClip();
     }
+    else if (mGroup)
+    {
+        ret = mRadius * 0.5f; // default to half radius for automatic object probes
+    }
+    else
+    {
+        ret = 1.f; // default to 1m for automatic terrain probes
+    }
 
     return llmax(ret, MINIMUM_NEAR_CLIP);
 }
diff --git a/indra/newview/llsettingsvo.cpp b/indra/newview/llsettingsvo.cpp
index ab5a154f08..b0edb9d2f6 100644
--- a/indra/newview/llsettingsvo.cpp
+++ b/indra/newview/llsettingsvo.cpp
@@ -721,6 +721,15 @@ void LLSettingsVOSky::applySpecial(void *ptarget, bool force)
     static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);
     static LLCachedControl<F32> auto_adjust_ambient_scale(gSavedSettings, "RenderSkyAutoAdjustAmbientScale", 0.75f);
     static LLCachedControl<F32> auto_adjust_hdr_scale(gSavedSettings, "RenderSkyAutoAdjustHDRScale", 2.f);
+    static LLCachedControl<F32> auto_adjust_blue_horizon_scale(gSavedSettings, "RenderSkyAutoAdjustBlueHorizonScale", 1.f);
+    static LLCachedControl<F32> auto_adjust_blue_density_scale(gSavedSettings, "RenderSkyAutoAdjustBlueDensityScale", 1.f);
+    static LLCachedControl<F32> auto_adjust_sun_color_scale(gSavedSettings, "RenderSkyAutoAdjustSunColorScale", 1.f);
+    static LLCachedControl<F32> auto_adjust_probe_ambiance(gSavedSettings, "RenderSkyAutoAdjustProbeAmbiance", 1.f);
+    static LLCachedControl<F32> sunlight_scale(gSavedSettings, "RenderSkySunlightScale", 1.5f);
+    static LLCachedControl<F32> ambient_scale(gSavedSettings, "RenderSkyAmbientScale", 1.5f);
+
+    shader->uniform1f(LLShaderMgr::SKY_SUNLIGHT_SCALE, sunlight_scale);
+    shader->uniform1f(LLShaderMgr::SKY_AMBIENT_SCALE, ambient_scale);
 
     static LLCachedControl<F32> cloud_shadow_scale(gSavedSettings, "RenderCloudShadowAmbianceFactor", 0.125f);
     F32 probe_ambiance = getTotalReflectionProbeAmbiance(cloud_shadow_scale);
@@ -733,14 +742,23 @@ void LLSettingsVOSky::applySpecial(void *ptarget, bool force)
     {
         if (psky->getReflectionProbeAmbiance() != 0.f)
         {
-            shader->uniform3fv(LLShaderMgr::AMBIENT, getAmbientColor().mV);
+            shader->uniform3fv(LLShaderMgr::AMBIENT, LLVector3(ambient.mV));
             shader->uniform1f(LLShaderMgr::SKY_HDR_SCALE, sqrtf(g)*2.0); // use a modifier here so 1.0 maps to the "most desirable" default and the maximum value doesn't go off the rails
         }
         else if (psky->canAutoAdjust() && should_auto_adjust)
         { // auto-adjust legacy sky to take advantage of probe ambiance 
             shader->uniform3fv(LLShaderMgr::AMBIENT, (ambient * auto_adjust_ambient_scale).mV);
             shader->uniform1f(LLShaderMgr::SKY_HDR_SCALE, auto_adjust_hdr_scale);
-            probe_ambiance = 1.f;  // NOTE -- must match LLSettingsSky::getReflectionProbeAmbiance value for "auto_adjust" true
+            LLColor3 blue_horizon = getBlueHorizon() * auto_adjust_blue_horizon_scale;
+            LLColor3 blue_density = getBlueDensity() * auto_adjust_blue_density_scale;
+            LLColor3 sun_diffuse = getSunDiffuse() * auto_adjust_sun_color_scale;
+            
+            shader->uniform3fv(LLShaderMgr::SUNLIGHT_COLOR, sun_diffuse.mV);
+            shader->uniform3fv(LLShaderMgr::BLUE_DENSITY, blue_density.mV);
+            shader->uniform3fv(LLShaderMgr::BLUE_HORIZON, blue_horizon.mV);
+
+            LLSettingsSky::sAutoAdjustProbeAmbiance = auto_adjust_probe_ambiance;
+            probe_ambiance = auto_adjust_probe_ambiance;  // NOTE -- must match LLSettingsSky::getReflectionProbeAmbiance value for "auto_adjust" true
         }
         else
         {
@@ -755,7 +773,7 @@ void LLSettingsVOSky::applySpecial(void *ptarget, bool force)
     shader->uniform1f(LLShaderMgr::SUN_MOON_GLOW_FACTOR, getSunMoonGlowFactor());
     shader->uniform1f(LLShaderMgr::DENSITY_MULTIPLIER, getDensityMultiplier());
     shader->uniform1f(LLShaderMgr::DISTANCE_MULTIPLIER, getDistanceMultiplier());
-
+    
     shader->uniform1f(LLShaderMgr::GAMMA, g);
 }
 
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 97324bff22..e2a4eb1c48 100644
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -2712,6 +2712,7 @@ void register_viewer_callbacks(LLMessageSystem* msg)
 	msg->setHandlerFunc("InitiateDownload", process_initiate_download);
 	msg->setHandlerFunc("LandStatReply", LLFloaterTopObjects::handle_land_reply);
     msg->setHandlerFunc("GenericMessage", process_generic_message);
+    msg->setHandlerFunc("GenericStreamingMessage", process_generic_streaming_message);
     msg->setHandlerFunc("LargeGenericMessage", process_large_generic_message);
 
 	msg->setHandlerFuncFast(_PREHASH_FeatureDisabled, process_feature_disabled_message);
diff --git a/indra/newview/llviewergenericmessage.cpp b/indra/newview/llviewergenericmessage.cpp
index d3de9d72bf..aaa1313ff6 100644
--- a/indra/newview/llviewergenericmessage.cpp
+++ b/indra/newview/llviewergenericmessage.cpp
@@ -32,9 +32,10 @@
 #include "lldispatcher.h"
 #include "lluuid.h"
 #include "message.h"
+#include "llgenericstreamingmessage.h"
 
 #include "llagent.h"
-
+#include "llgltfmateriallist.h"
 
 LLDispatcher gGenericDispatcher;
 
@@ -92,6 +93,21 @@ void process_generic_message(LLMessageSystem* msg, void**)
 	}
 }
 
+void process_generic_streaming_message(LLMessageSystem* msg, void**)
+{
+    LLGenericStreamingMessage data;
+    data.unpack(msg);
+    switch (data.mMethod)
+    {
+    case LLGenericStreamingMessage::METHOD_GLTF_MATERIAL_OVERRIDE:
+        gGLTFMaterialList.applyOverrideMessage(msg, data.mData);
+        break;
+    default:
+        LL_WARNS_ONCE() << "Received unknown method" << LL_ENDL;
+        break;
+    }
+}
+
 void process_large_generic_message(LLMessageSystem* msg, void**)
 {
     LLUUID agent_id;
diff --git a/indra/newview/llviewergenericmessage.h b/indra/newview/llviewergenericmessage.h
index 170f38a485..96a73a3d5f 100644
--- a/indra/newview/llviewergenericmessage.h
+++ b/indra/newview/llviewergenericmessage.h
@@ -38,6 +38,7 @@ void send_generic_message(const std::string& method,
 						  const LLUUID& invoice = LLUUID::null);
 
 void process_generic_message(LLMessageSystem* msg, void**);
+void process_generic_streaming_message(LLMessageSystem* msg, void**);
 void process_large_generic_message(LLMessageSystem* msg, void**);
 
 
diff --git a/indra/newview/llviewerregion.cpp b/indra/newview/llviewerregion.cpp
index 870639c754..8c76950da2 100755
--- a/indra/newview/llviewerregion.cpp
+++ b/indra/newview/llviewerregion.cpp
@@ -222,7 +222,7 @@ public:
 	LLVOCacheEntry::vocache_entry_set_t   mVisibleEntries; //must-be-created visible entries wait for objects creation.	
 	LLVOCacheEntry::vocache_entry_priority_list_t mWaitingList; //transient list storing sorted visible entries waiting for object creation.
 	std::set<U32>                          mNonCacheableCreatedList; //list of local ids of all non-cacheable objects
-    LLVOCacheEntry::vocache_gltf_overrides_map_t mGLTFOverridesJson; // for materials
+    LLVOCacheEntry::vocache_gltf_overrides_map_t mGLTFOverridesLLSD; // for materials
 
 	// time?
 	// LRU info?
@@ -795,7 +795,7 @@ void LLViewerRegion::loadObjectCache()
 	{
         LLVOCache & vocache = LLVOCache::instance();
 		vocache.readFromCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap);
-        vocache.readGenericExtrasFromCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesJson);
+        vocache.readGenericExtrasFromCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD);
 
 		if (mImpl->mCacheMap.empty())
 		{
@@ -825,7 +825,7 @@ void LLViewerRegion::saveObjectCache()
         LLVOCache & instance = LLVOCache::instance();
 
         instance.writeToCache(mHandle, mImpl->mCacheID, mImpl->mCacheMap, mCacheDirty, removal_enabled);
-        instance.writeGenericExtrasToCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesJson, mCacheDirty, removal_enabled);
+        instance.writeGenericExtrasToCache(mHandle, mImpl->mCacheID, mImpl->mGLTFOverridesLLSD, mCacheDirty, removal_enabled);
 		mCacheDirty = FALSE;
 	}
 
@@ -2664,7 +2664,7 @@ LLViewerRegion::eCacheUpdateResult LLViewerRegion::cacheFullUpdate(LLViewerObjec
 void LLViewerRegion::cacheFullUpdateGLTFOverride(const LLGLTFOverrideCacheEntry &override_data)
 {
     U32 local_id = override_data.mLocalId;
-    mImpl->mGLTFOverridesJson[local_id] = override_data;
+    mImpl->mGLTFOverridesLLSD[local_id] = override_data;
 }
 
 LLVOCacheEntry* LLViewerRegion::getCacheEntryForOctree(U32 local_id)
@@ -3656,8 +3656,8 @@ std::string LLViewerRegion::getSimHostName()
 
 void LLViewerRegion::loadCacheMiscExtras(U32 local_id)
 {
-    auto iter = mImpl->mGLTFOverridesJson.find(local_id);
-    if (iter != mImpl->mGLTFOverridesJson.end())
+    auto iter = mImpl->mGLTFOverridesLLSD.find(local_id);
+    if (iter != mImpl->mGLTFOverridesLLSD.end())
     {
         LLGLTFMaterialList::loadCacheOverrides(iter->second);
     }
@@ -3669,8 +3669,8 @@ void LLViewerRegion::applyCacheMiscExtras(LLViewerObject* obj)
     llassert(obj);
 
     U32 local_id = obj->getLocalID();
-    auto iter = mImpl->mGLTFOverridesJson.find(local_id);
-    if (iter != mImpl->mGLTFOverridesJson.end())
+    auto iter = mImpl->mGLTFOverridesLLSD.find(local_id);
+    if (iter != mImpl->mGLTFOverridesLLSD.end())
     {
         llassert(iter->second.mGLTFMaterial.size() == iter->second.mSides.size());
 
diff --git a/indra/newview/llvocache.cpp b/indra/newview/llvocache.cpp
index a92057d010..dd5b9f9fd5 100644
--- a/indra/newview/llvocache.cpp
+++ b/indra/newview/llvocache.cpp
@@ -85,40 +85,24 @@ bool LLGLTFOverrideCacheEntry::fromLLSD(const LLSD& data)
 
     // message should be interpreted thusly:
     ///  sides is a list of face indices
-    //   gltf_json is a list of corresponding json
+    //   gltf_llsd is a list of corresponding GLTF override LLSD
     //   any side not represented in "sides" has no override
-    if (data.has("sides") && data.has("gltf_json"))
+    if (data.has("sides") && data.has("gltf_llsd"))
     {
         LLSD const& sides = data.get("sides");
-        LLSD const& gltf_json = data.get("gltf_json");
+        LLSD const& gltf_llsd = data.get("gltf_llsd");
 
-        if (sides.isArray() && gltf_json.isArray() &&
+        if (sides.isArray() && gltf_llsd.isArray() &&
             sides.size() != 0 &&
-            sides.size() == gltf_json.size())
+            sides.size() == gltf_llsd.size())
         {
             for (int i = 0; i < sides.size(); ++i)
             {
                 S32 side_idx = sides[i].asInteger();
-                std::string gltf_json_str = gltf_json[i].asString();
-                mSides[side_idx] = gltf_json_str;
+                mSides[side_idx] = gltf_llsd[i];
                 LLGLTFMaterial* override_mat = new LLGLTFMaterial();
-                std::string error, warn;
-                if (override_mat->fromJSON(gltf_json_str, warn, error))
-                {
-                    mGLTFMaterial[side_idx] = override_mat;
-                }
-                else
-                {
-                    LL_WARNS() << "Invalid GLTF string: \n" << gltf_json_str << LL_ENDL;
-                    if (!error.empty())
-                    {
-                        LL_WARNS() << "Error: " << error << LL_ENDL;
-                    }
-                    if (!warn.empty())
-                    {
-                        LL_WARNS() << "Warning: " << warn << LL_ENDL;
-                    }
-                }
+                override_mat->applyOverrideLLSD(gltf_llsd[i]);
+                mGLTFMaterial[side_idx] = override_mat;
             }
         }
         else
@@ -157,7 +141,7 @@ LLSD LLGLTFOverrideCacheEntry::toLLSD() const
         // check that mSides and mGLTFMaterial have exactly the same keys present
         llassert(mGLTFMaterial.count(side.first) == 1);
         data["sides"].append(LLSD::Integer(side.first));
-        data["gltf_json"].append(side.second);
+        data["gltf_llsd"].append(side.second);
     }
 
     return data;
diff --git a/indra/newview/llvocache.h b/indra/newview/llvocache.h
index ec0df31828..8525edd121 100644
--- a/indra/newview/llvocache.h
+++ b/indra/newview/llvocache.h
@@ -48,7 +48,7 @@ public:
 
     LLUUID mObjectId;
     U32    mLocalId = 0;
-    std::unordered_map<S32, std::string> mSides; //json per side
+    std::unordered_map<S32, LLSD> mSides; //override LLSD per side
     std::unordered_map<S32, LLPointer<LLGLTFMaterial> > mGLTFMaterial; //GLTF material per side
     U64 mRegionHandle = 0;
 };
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 1cbab4ccfa..3de2e367af 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -7772,7 +7772,17 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_
 		shader.uniformMatrix4fv(LLShaderMgr::DEFERRED_NORM_MATRIX, 1, FALSE, norm_mat.m);
 	}
 
-    shader.uniform3fv(LLShaderMgr::SUNLIGHT_COLOR, 1, mSunDiffuse.mV);
+    // auto adjust legacy sun color if needed
+    static LLCachedControl<bool> should_auto_adjust(gSavedSettings, "RenderSkyAutoAdjustLegacy", true);
+    static LLCachedControl<F32> auto_adjust_sun_color_scale(gSavedSettings, "RenderSkyAutoAdjustSunColorScale", 1.f);
+    LLSettingsSky::ptr_t psky = LLEnvironment::instance().getCurrentSky();
+    LLColor3 sun_diffuse(mSunDiffuse.mV);
+    if (should_auto_adjust && psky->canAutoAdjust())
+    {
+        sun_diffuse *= auto_adjust_sun_color_scale;
+    }
+
+    shader.uniform3fv(LLShaderMgr::SUNLIGHT_COLOR, 1, sun_diffuse.mV);
     shader.uniform3fv(LLShaderMgr::MOONLIGHT_COLOR, 1, mMoonDiffuse.mV);
 
     shader.uniform1f(LLShaderMgr::REFLECTION_PROBE_MAX_LOD, mReflectionMapManager.mMaxProbeLOD);