SL-19203 et al -- Integrate SSR with reflection probes, tweak probe blending. (#63)

* SL-19203 WIP -- Integrate SSR with reflection probes.  Decruft LLRenderTarget.

* SL-19203 WIP -- Re-integrate SSR.  Incidental decruft.

* SL-19203 WIP -- SSR frame delta correction (still broken for Z)

* SL-19203 WIP -- SSR frame delta Z fix

* SL-19203 WIP -- Make SSR toggleable again and disable SSR in cube snapshots.

* SL-19203 WIP -- Soften sphere probe transitions and fix reflections on void water (make fallback probe a simple terrain+water+sky probe).  Remove parallax correction for automatic probes to reduce artifacts.

* SL-19203 Tune probe blending.

* SL-19203 Cleanup.

3 files changed, 10 insertions, 10 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 076b976dc4..7435f1c0e1 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -90,8 +90,8 @@ float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
 
 float getAmbientClamp();
 
-void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, 
-        vec3 pos, vec3 norm, float glossiness, float envIntensity);
+void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity);
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, float ambiance)
 {
@@ -253,7 +253,7 @@ void main()
     vec3 irradiance;
     vec3 glossenv;
     vec3 legacyenv;
-    sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, pos.xyz, norm.xyz, 0.0, 0.0);
+    sampleReflectionProbesLegacy(irradiance, glossenv, legacyenv, frag, pos.xyz, norm.xyz, 0.0, 0.0);
     
 
     float da = dot(norm.xyz, light_dir.xyz);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
index d81102991e..ccf20942e3 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
@@ -84,7 +84,7 @@ 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, 
-        vec3 pos, vec3 norm, float glossiness);
+        vec2 tc, vec3 pos, vec3 norm, float glossiness);
 
 void waterClip(vec3 pos);
 
@@ -207,7 +207,7 @@ void main()
     float gloss      = 1.0 - perceptualRoughness;
     vec3  irradiance = vec3(0);
     vec3  radiance  = vec3(0);
-    sampleReflectionProbes(irradiance, radiance, pos.xyz, norm.xyz, gloss);
+    sampleReflectionProbes(irradiance, radiance, vec2(0), pos.xyz, norm.xyz, gloss);
     // 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);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class2/deferred/reflectionProbeF.glsl
index af43c7b4e3..f1ee4b4681 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,
-        vec3 pos, vec3 norm, float glossiness, bool errorCorrect)
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, bool errorCorrect)
 {
     ambenv = vec3(reflection_probe_ambiance * 0.25);
     
@@ -44,10 +44,10 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
 }
 
 void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv,
-    vec3 pos, vec3 norm, float glossiness)
+    vec2 tc, vec3 pos, vec3 norm, float glossiness)
 {
     sampleReflectionProbes(ambenv, glossenv,
-        pos, norm, glossiness, false);
+        tc, pos, norm, glossiness, false);
 }
 
 vec4 sampleReflectionProbesDebug(vec3 pos)
@@ -56,8 +56,8 @@ vec4 sampleReflectionProbesDebug(vec3 pos)
     return vec4(0, 0, 0, 0);
 }
 
-void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv, 
-        vec3 pos, vec3 norm, float glossiness, float envIntensity)
+void sampleReflectionProbesLegacy(inout vec3 ambenv, inout vec3 glossenv, inout vec3 legacyenv,
+        vec2 tc, vec3 pos, vec3 norm, float glossiness, float envIntensity)
 {
     ambenv = vec3(reflection_probe_ambiance * 0.25);