[Port] [6000.4] [SRP] Fix Water SSR

Author: svc-reach-platform-support

Packages/com.unity.render-pipelines.high-definition/Runtime/Material/Water/Water.hlsl

@@ -415,9 +415,6 @@ PreLightData GetPreLightData(float3 V, PositionInputs posInput, inout BSDFData b
     // Grab the water profile of this surface
     WaterSurfaceProfile profile = _WaterSurfaceProfiles[bsdfData.surfaceIndex];
 
-    // Make sure to apply the smoothness fade
-    EvaluateSmoothnessFade(posInput.positionWS, profile, bsdfData);
-
     // Profile data
     preLightData.tipScatteringHeight = profile.tipScatteringHeight;
     preLightData.bodyScatteringHeight = profile.bodyScatteringHeight;

Packages/com.unity.render-pipelines.high-definition/Runtime/Water/Shaders/ShaderPassWaterGBuffer.hlsl

@@ -51,6 +51,9 @@ void Frag(PackedVaryingsToPS packedInput,
 
     // Compute the BSDF Data
     BSDFData bsdfData = ConvertSurfaceDataToBSDFData(input.positionSS.xy, surfaceData);
+    WaterSurfaceProfile profile = _WaterSurfaceProfiles[bsdfData.surfaceIndex];
+    EvaluateSmoothnessFade(posInput.positionWS, profile, bsdfData);
+
 
     // If the camera is in the underwater region of this surface and the the camera is under the surface
 #if defined(SHADER_STAGE_FRAGMENT)