Removed UI code for PR

com.unity.render-pipelines.core/CoreRP/ShaderLibrary/Shadow/ShadowSampling.hlsl

     //1) Blocker Search
     real averageBlockerDepth = 0.0;
     real numBlockers         = 0.0;
-    if (!BlockerSearch(averageBlockerDepth, numBlockers, shadowSoftnesss + 0.001, tcs, sampleBias, shadowContext, slice, texIdx, sampIdx, sampleCount))
+    if (!BlockerSearch(averageBlockerDepth, numBlockers, shadowSoftnesss + 0.000001, tcs, sampleBias, shadowContext, slice, texIdx, sampIdx, sampleCount))
-    filterSize = max(filterSize, 0.001);
+    filterSize = max(filterSize, 0.000001);
 
     //3) Filter
     return PCSS(tcs, filterSize, scaleOffset, slice, sampleBias, shadowContext, texIdx, sampIdx, sampleCount);
     //1) Blocker Search
     real averageBlockerDepth = 0.0;
     real numBlockers         = 0.0;
-    if (!BlockerSearch(averageBlockerDepth, numBlockers, shadowSoftnesss + 0.001, tcs, slice, sampleBias, tex, samp, sampleCount)) 
+    if (!BlockerSearch(averageBlockerDepth, numBlockers, shadowSoftnesss + 0.000001, tcs, slice, sampleBias, tex, samp, sampleCount)) 
-    filterSize = max(filterSize, 0.001);
+    filterSize = max(filterSize, 0.000001);
 
     //3) Filter
     return PCSS(tcs, filterSize, scaleOffset, slice, sampleBias, tex, compSamp, sampleCount);

com.unity.render-pipelines.core/CoreRP/Shadow/AdditionalShadowData.cs

                 return DefaultShadowResolution;
         }
 
-        // PCSS specific parameters (can be moved somewhere else)
-        [Range(0.0f, 1.0f)]
-        public float shadowSoftness     = 0.5f;
-        [Range(1, 64)]
-        public int sampleCount          = 32;
-        // End of PCSS parameters
-
         [Range(0.0f, 1.0f)]
         public float shadowDimmer = 1.0f;
         public float shadowFadeDistance = 10000.0f;

com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/AdditionalShadowDataEditor.cs

 namespace UnityEditor.Experimental.Rendering.HDPipeline
 {
     [CanEditMultipleObjects]
-    // TODO: uncomment this when the pcss implementation will be finished
-    // [CustomEditor(typeof(AdditionalShadowData))]
+    [CustomEditor(typeof(AdditionalShadowData))]
     class AdditionalShadowDataEditor : Editor
     {
         public override void OnInspectorGUI()

com.unity.render-pipelines.high-definition/HDRP/Editor/Lighting/HDLightEditor.cs

             public SerializedProperty fadeDistance;
             public SerializedProperty resolution;
             public SerializedProperty contactShadows;
-            public SerializedProperty softness;
-            public SerializedProperty pcssSampleCount;
 
             // Bias control
             public SerializedProperty viewBiasMin;
                     fadeDistance = o.Find(x => x.shadowFadeDistance),
                     resolution = o.Find(x => x.shadowResolution),
                     contactShadows = o.Find(x => x.contactShadows),
-                    softness = o.Find(x => x.shadowSoftness),
-                    pcssSampleCount = o.Find(x => x.sampleCount),
 
                     viewBiasMin = o.Find(x => x.viewBiasMin),
                     viewBiasMax = o.Find(x => x.viewBiasMax),
                 EditorGUILayout.Space();
                 EditorGUILayout.LabelField("Additional Settings", EditorStyles.boldLabel);
                 EditorGUI.indentLevel++;
-
-
-                int shadowAlgorithm, variant, precision;
-                (target as Light).GetComponent< AdditionalShadowData >().GetShadowAlgorithm(out shadowAlgorithm, out variant, out precision);
-                if (shadowAlgorithm == (int)ShadowAlgorithm.PCSS)
-                {
-                    //TOOD: check the current shadowing algorithm and hide these fields
-                    EditorGUILayout.Slider(m_AdditionalShadowData.softness, 0.0f, 1.0f, s_Styles.shadowSoftness);
-                    EditorGUILayout.IntSlider(m_AdditionalShadowData.pcssSampleCount, 1, 64, s_Styles.pcssSampleCount);
-                }
 
                 EditorGUILayout.PropertyField(m_AdditionalShadowData.contactShadows, s_Styles.contactShadows);
 

com.unity.render-pipelines.high-definition/HDRP/Lighting/LightLoop/LightLoop.cs

             m_ShadowMgr = new ShadowManager(shadowSettings, ref scInit, ref budgets, m_Shadowmaps);
             // set global overrides - these need to match the override specified in LightLoop/Shadow.hlsl
 
-            //TODO: reset this to true
-            bool useGlobalOverrides = false;
+            bool useGlobalOverrides = true;
 
             m_ShadowMgr.SetGlobalShadowOverride(GPUShadowType.Point        , ShadowAlgorithm.PCF, ShadowVariant.V2, ShadowPrecision.High, useGlobalOverrides);
             m_ShadowMgr.SetGlobalShadowOverride(GPUShadowType.Spot         , ShadowAlgorithm.PCF, ShadowVariant.V2, ShadowPrecision.High, useGlobalOverrides);

com.unity.render-pipelines.high-definition/HDRP/Lighting/LightLoop/Shadow.hlsl

 // directional
 #define SHADOW_DISPATCH_DIR_TEX   0
 #define SHADOW_DISPATCH_DIR_SMP   0
-//TODO: do not push this in the final PR !
-#define SHADOW_DISPATCH_DIR_ALG   GPUSHADOWALGORITHM_PCSS           // all cascades
+#define SHADOW_DISPATCH_DIR_ALG   GPUSHADOWALGORITHM_PCF_TENT_5X5   // all cascades
 #define SHADOW_DISPATCH_DIR_ALG_0 GPUSHADOWALGORITHM_PCF_TENT_7X7   // 1st cascade
 #define SHADOW_DISPATCH_DIR_ALG_1 GPUSHADOWALGORITHM_PCF_TENT_5X5   // 2nd cascade
 #define SHADOW_DISPATCH_DIR_ALG_2 GPUSHADOWALGORITHM_PCF_TENT_3X3   // 3rd cascade
 #define SHADOW_DISPATCH_POINT_SMP 0
-#define SHADOW_DISPATCH_POINT_ALG GPUSHADOWALGORITHM_PCSS
+#define SHADOW_DISPATCH_POINT_ALG GPUSHADOWALGORITHM_PCF_TENT_3X3
-#define SHADOW_DISPATCH_SPOT_ALG GPUSHADOWALGORITHM_PCSS
+#define SHADOW_DISPATCH_SPOT_ALG GPUSHADOWALGORITHM_PCF_TENT_3X3
-#define SHADOW_DISPATCH_PUNC_ALG GPUSHADOWALGORITHM_PCSS
+#define SHADOW_DISPATCH_PUNC_ALG GPUSHADOWALGORITHM_PCF_TENT_3X3
 
 // example of overriding directional lights
 #ifdef  SHADOW_DISPATCH_USE_CUSTOM_DIRECTIONAL