added splats & vertex snapping shader

Assets/Scenes/DreconDemo/HDRP.asset

@@ -182,7 +182,7 @@ MonoBehaviour:
   active: 1
   mode:
     m_OverrideState: 1
-    m_Value: 1
+    m_Value: 0
   meteringMode:
     m_OverrideState: 0
     m_Value: 2
@@ -191,7 +191,7 @@ MonoBehaviour:
     m_Value: 1
   fixedExposure:
     m_OverrideState: 1
-    m_Value: 13
+    m_Value: 14
   compensation:
     m_OverrideState: 0
     m_Value: 0
@@ -520,6 +520,7 @@ MonoBehaviour:
   - {fileID: -5598222575428111482}
   - {fileID: 2790219418207653712}
   - {fileID: -3145428642542809051}
+  - {fileID: 5931468877251868412}
 --- !u!114 &2790219418207653712
 MonoBehaviour:
   m_ObjectHideFlags: 3
@@ -601,3 +602,46 @@ MonoBehaviour:
   m_DenoiserRadius:
     m_OverrideState: 1
     m_Value: 0.5
+--- !u!114 &5931468877251868412
+MonoBehaviour:
+  m_ObjectHideFlags: 3
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 7ddcec8a8eb2d684d833ac8f5d26aebd, type: 3}
+  m_Name: HDShadowSettings
+  m_EditorClassIdentifier: 
+  active: 0
+  maxShadowDistance:
+    m_OverrideState: 0
+    m_Value: 500
+  directionalTransmissionMultiplier:
+    m_OverrideState: 1
+    m_Value: 1
+  cascadeShadowSplitCount:
+    m_OverrideState: 1
+    m_Value: 1
+  cascadeShadowSplit0:
+    m_OverrideState: 1
+    m_Value: 0.05
+  cascadeShadowSplit1:
+    m_OverrideState: 1
+    m_Value: 0.3
+  cascadeShadowSplit2:
+    m_OverrideState: 1
+    m_Value: 0.3
+  cascadeShadowBorder0:
+    m_OverrideState: 1
+    m_Value: 0
+  cascadeShadowBorder1:
+    m_OverrideState: 1
+    m_Value: 0
+  cascadeShadowBorder2:
+    m_OverrideState: 1
+    m_Value: 0
+  cascadeShadowBorder3:
+    m_OverrideState: 1
+    m_Value: 0