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diff --git a/TestProjects/HDRP_DXR_Tests/Assets/Scenes/803_SubSurfaceScatteringGlobalIllumination.unity.meta b/TestProjects/HDRP_DXR_Tests/Assets/Scenes/803_SubSurfaceScatteringGlobalIllumination.unity.meta
new file mode 100644
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+  luminanceSource:
+    m_OverrideState: 0
+    m_Value: 1
+  fixedExposure:
+    m_OverrideState: 1
+    m_Value: 0
+  compensation:
+    m_OverrideState: 0
+    m_Value: 0
+  limitMin:
+    m_OverrideState: 0
+    m_Value: -10
+  limitMax:
+    m_OverrideState: 0
+    m_Value: 20
+  curveMap:
+    m_OverrideState: 0
+    m_Value:
+      serializedVersion: 2
+      m_Curve:
+      - serializedVersion: 3
+        time: -10
+        value: -10
+        inSlope: 0
+        outSlope: 1
+        tangentMode: 0
+        weightedMode: 0
+        inWeight: 0
+        outWeight: 0
+      - serializedVersion: 3
+        time: 20
+        value: 20
+        inSlope: 1
+        outSlope: 0
+        tangentMode: 0
+        weightedMode: 0
+        inWeight: 0
+        outWeight: 0
+      m_PreInfinity: 2
+      m_PostInfinity: 2
+      m_RotationOrder: 4
+  adaptationMode:
+    m_OverrideState: 0
+    m_Value: 1
+  adaptationSpeedDarkToLight:
+    m_OverrideState: 0
+    m_Value: 3
+    min: 0.001
+  adaptationSpeedLightToDark:
+    m_OverrideState: 0
+    m_Value: 1
+    min: 0.001
+  weightTextureMask:
+    m_OverrideState: 0
+    m_Value: {fileID: 0}
+  histogramPercentages:
+    m_OverrideState: 0
+    m_Value: {x: 40, y: 90}
+    min: 0
+    max: 100
+  histogramUseCurveRemapping:
+    m_OverrideState: 0
+    m_Value: 0
+  targetMidGray:
+    m_OverrideState: 0
+    m_Value: 0
+  centerAroundExposureTarget:
+    m_OverrideState: 0
+    m_Value: 0
+  proceduralCenter:
+    m_OverrideState: 0
+    m_Value: {x: 0.5, y: 0.5}
+  proceduralRadii:
+    m_OverrideState: 0
+    m_Value: {x: 0.15, y: 0.15}
+  maskMinIntensity:
+    m_OverrideState: 0
+    m_Value: -30
+  maskMaxIntensity:
+    m_OverrideState: 0
+    m_Value: 30
+  proceduralSoftness:
+    m_OverrideState: 0
+    m_Value: 0.5
+    min: 0
diff --git a/TestProjects/HDRP_DXR_Tests/Assets/Scenes/SubSurfaceScatteringData/SubSurfaceGlobalIlluminationVolume.asset.meta b/TestProjects/HDRP_DXR_Tests/Assets/Scenes/SubSurfaceScatteringData/SubSurfaceGlobalIlluminationVolume.asset.meta
new file mode 100644
index 00000000000..3be628bcaa4
--- /dev/null
+++ b/TestProjects/HDRP_DXR_Tests/Assets/Scenes/SubSurfaceScatteringData/SubSurfaceGlobalIlluminationVolume.asset.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 94acb726607bf8f4fa833981233fffc5
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/TestProjects/HDRP_DXR_Tests/ProjectSettings/EditorBuildSettings.asset b/TestProjects/HDRP_DXR_Tests/ProjectSettings/EditorBuildSettings.asset
index 17e58a9d626..7d81e467de4 100644
--- a/TestProjects/HDRP_DXR_Tests/ProjectSettings/EditorBuildSettings.asset
+++ b/TestProjects/HDRP_DXR_Tests/ProjectSettings/EditorBuildSettings.asset
@@ -125,6 +125,9 @@ EditorBuildSettings:
   - enabled: 1
     path: Assets/Scenes/802_SubSurfaceScatteringForward.unity
     guid: 45325940ed3cc4d44a619c66066ec3d6
+  - enabled: 1
+    path: Assets/Scenes/803_SubSurfaceScatteringGlobalIllumination.unity
+    guid: acbea951c17ce7944a2c6e9374b1a0f6
   - enabled: 1
     path: Assets/Scenes/900_Materials_AlphaTest_SG.unity
     guid: 4bc2576a0bbdfd74a86bfb57af91ccaa
diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index dbee62c568f..69d1b936354 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -145,6 +145,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added a Cloud Layer volume override.
 - Added Fast Memory support for platform that support it.
 - Added CPU and GPU timings for ray tracing effects.
+- Added support to combine RTSSS and RTGI (1248733).
 
 ### Fixed
 - Fix when rescale probe all direction below zero (1219246)
@@ -656,6 +657,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed transparent motion vector framesetting not sanitized.
 - Fixed wrong order of post process frame settings.
 - Fixed white flash when enabling SSR or SSGI.
+- The ray traced indrect diffuse and RTGI were combined wrongly with the rest of the lighting (1254318).
+- Fixed an exception happening when using RTSSS without using RTShadows.
 
 ### Changed
 - Improve MIP selection for decals on Transparents
@@ -797,6 +800,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Lit and LayeredLit tessellation cross lod fade don't used dithering anymore between LOD but fade the tessellation height instead. Allow a smoother transition
 - Changed the way planar reflections are filtered in order to be a bit more "physically based".
 - Increased path tracing BSDFs roughness range from [0.001, 0.999] to [0.00001, 0.99999].
+- Changing the default SSGI radius for the all configurations.
+- Changed the default parameters for quality RTGI to match expected behavior.
 
 ## [7.1.1] - 2019-09-05
 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Lighting/GlobalIllumination.cs b/com.unity.render-pipelines.high-definition/Runtime/Lighting/GlobalIllumination.cs
index 65038f66305..499cfe3f48e 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Lighting/GlobalIllumination.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Lighting/GlobalIllumination.cs
@@ -198,7 +198,7 @@ public int upscaleRadius
         /// Number of samples for evaluating the effect.
         /// </summary>
         [Tooltip("Number of samples for GI.")]
-        public ClampedIntParameter sampleCount = new ClampedIntParameter(1, 1, 32);
+        public ClampedIntParameter sampleCount = new ClampedIntParameter(2, 1, 32);
 
         /// <summary>
         /// Number of bounces for evaluating the effect.
@@ -285,7 +285,7 @@ public float secondDenoiserRadius
         // RTGI
         [SerializeField, FormerlySerializedAs("rayLength")]
         [Tooltip("Controls the length of GI rays.")]
-        public ClampedFloatParameter m_RayLength = new ClampedFloatParameter(0.5f, 0f, 50f);
+        public ClampedFloatParameter m_RayLength = new ClampedFloatParameter(50.0f, 0f, 50f);
 
         [SerializeField, FormerlySerializedAs("clampValue")]
         [Tooltip("Controls the clamp of intensity.")]
@@ -301,7 +301,7 @@ public float secondDenoiserRadius
 
         [SerializeField, FormerlySerializedAs("denoise")]
         [Tooltip("Denoise the ray-traced GI.")]
-        public BoolParameter m_Denoise = new BoolParameter(false);
+        public BoolParameter m_Denoise = new BoolParameter(true);
 
         [SerializeField, FormerlySerializedAs("halfResolutionDenoiser")]
         [Tooltip("Use a half resolution denoiser.")]
@@ -313,7 +313,7 @@ public float secondDenoiserRadius
 
         [SerializeField, FormerlySerializedAs("secondDenoiserPass")]
         [Tooltip("Enable second denoising pass.")]
-        public BoolParameter m_SecondDenoiserPass = new BoolParameter(false);
+        public BoolParameter m_SecondDenoiserPass = new BoolParameter(true);
 
         [SerializeField, FormerlySerializedAs("secondDenoiserRadius")]
         [Tooltip("Controls the radius of the GI denoiser (Second Pass).")]
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl b/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl
index 7a90477f77a..31b74ce2070 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl
+++ b/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightLoop/LightLoop.hlsl
@@ -534,9 +534,16 @@ void LightLoop( float3 V, PositionInputs posInput, PreLightData preLightData, BS
 #endif
 
 #if !defined(_SURFACE_TYPE_TRANSPARENT)
-    // Only use the texture ssgi if the use indirect diffuse flag matches
-    if (_UseIndirectDiffuse == SCREEN_SPACE_INDIRECT_DIFFUSE_FLAG)
-        builtinData.bakeDiffuseLighting += LOAD_TEXTURE2D_X(_IndirectDiffuseTexture, posInput.positionSS).xyz * GetInverseCurrentExposureMultiplier();
+    // If we use the texture ssgi for ssgi or rtgi, we want to combine it with the value in the bake diffuse lighting value
+    if (_UseIndirectDiffuse != INDIRECT_DIFFUSE_FLAG_OFF)
+    {
+        BuiltinData builtInDataSSGI;
+        ZERO_INITIALIZE(BuiltinData, builtInDataSSGI);
+        builtInDataSSGI.bakeDiffuseLighting = LOAD_TEXTURE2D_X(_IndirectDiffuseTexture, posInput.positionSS).xyz * GetInverseCurrentExposureMultiplier();
+        builtInDataSSGI.bakeDiffuseLighting *= _IndirectLightingMultiplier.x;
+        ModifyBakedDiffuseLighting(V, posInput, preLightData, bsdfData, builtInDataSSGI);
+        builtinData.bakeDiffuseLighting += builtInDataSSGI.bakeDiffuseLighting;
+    }
 #endif
 
     ApplyDebugToLighting(context, builtinData, aggregateLighting);
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl b/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl
index 7e380e98bac..92c820ce294 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl
+++ b/com.unity.render-pipelines.high-definition/Runtime/Material/BuiltinUtilities.hlsl
@@ -51,15 +51,9 @@ void InitBuiltinData(PositionInputs posInput, float alpha, float3 normalWS, floa
 #if RAYTRACING_ENABLED && ((SHADERPASS == SHADERPASS_GBUFFER) || (SHADERPASS == SHADERPASS_FORWARD)) && !defined(_SURFACE_TYPE_TRANSPARENT)
     if (_UseIndirectDiffuse == RAY_TRACED_INDIRECT_DIFFUSE_FLAG)
     {
-        #if SHADERPASS == SHADERPASS_GBUFFER
-        // Incase we shall be using raytraced indirect diffuse, we want to make sure to not add the GBuffer because that will be happening later in the pipeline
+        // Incase we shall be using raytraced indirect diffuse, we want to make sure to not add the other forms of indirect lighting to avoid
+        // double contribution.
         builtinData.bakeDiffuseLighting = float3(0.0, 0.0, 0.0);
-        #endif
-
-        #if SHADERPASS == SHADERPASS_FORWARD
-        builtinData.bakeDiffuseLighting = LOAD_TEXTURE2D_X(_IndirectDiffuseTexture, posInput.positionSS).xyz;
-        builtinData.bakeDiffuseLighting *= GetInverseCurrentExposureMultiplier();
-        #endif
     }
 #endif
 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs b/com.unity.render-pipelines.high-definition/Runtime/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs
index 5867b05d8f5..05a93901fbd 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/Material/SubsurfaceScattering/SubsurfaceScatteringManager.cs
@@ -295,6 +295,7 @@ void RenderSubsurfaceScattering(HDCamera hdCamera, CommandBuffer cmd, RTHandle c
                     // Fetch the volume overrides that we shall be using
                     RayTracingShader subSurfaceShader = m_Asset.renderPipelineRayTracingResources.subSurfaceRayTracing;
                     ComputeShader deferredRayTracing = m_Asset.renderPipelineRayTracingResources.deferredRaytracingCS;
+                    ComputeShader rayTracingSubSurfaceCS = m_Asset.renderPipelineRayTracingResources.subSurfaceRayTracingCS;
 
                     // Fetch all the intermediate buffers that we need
                     RTHandle intermediateBuffer0 = GetRayTracingBuffer(InternalRayTracingBuffers.RGBA0);
@@ -305,8 +306,9 @@ void RenderSubsurfaceScattering(HDCamera hdCamera, CommandBuffer cmd, RTHandle c
                     RTHandle directionBuffer = GetRayTracingBuffer(InternalRayTracingBuffers.Direction);
 
                     // Clear the integration texture first
-                    cmd.SetComputeTextureParam(m_ScreenSpaceShadowsCS, m_ClearShadowTexture, HDShaderIDs._RaytracedShadowIntegration, intermediateBuffer4);
-                    cmd.DispatchCompute(m_ScreenSpaceShadowsCS, m_ClearShadowTexture, numTilesXHR, numTilesYHR, hdCamera.viewCount);
+                    int clearTexture = rayTracingSubSurfaceCS.FindKernel("ClearTexture");
+                    cmd.SetComputeTextureParam(rayTracingSubSurfaceCS, clearTexture, HDShaderIDs._DiffuseLightingTextureRW, intermediateBuffer4);
+                    cmd.DispatchCompute(rayTracingSubSurfaceCS, clearTexture, numTilesXHR, numTilesYHR, hdCamera.viewCount);
 
                     // Grab the acceleration structure for the target camera
                     RayTracingAccelerationStructure accelerationStructure = RequestAccelerationStructure();
@@ -387,11 +389,14 @@ void RenderSubsurfaceScattering(HDCamera hdCamera, CommandBuffer cmd, RTHandle c
                     temporalFilter.DenoiseBuffer(cmd, hdCamera, intermediateBuffer4, subsurfaceHistory, intermediateBuffer0, singleChannel: false, historyValidity: historyValidity);
 
                     // Now based on the mask, we need to blend the subsurface and the diffuse lighting
-                    ComputeShader rayTracingSubSurfaceCS = m_Asset.renderPipelineRayTracingResources.subSurfaceRayTracingCS;
-                    int m_CombineSubSurfaceKernel = rayTracingSubSurfaceCS.FindKernel("BlendSubSurfaceData");
+
+                    bool validSSGI = ValidIndirectDiffuseState(hdCamera);
+                    int m_CombineSubSurfaceKernel = rayTracingSubSurfaceCS.FindKernel(validSSGI ? "BlendSubSurfaceDataWithGI" : "BlendSubSurfaceData");
                     cmd.SetComputeTextureParam(rayTracingSubSurfaceCS, m_CombineSubSurfaceKernel, HDShaderIDs._SubSurfaceLightingBuffer, intermediateBuffer0);
                     cmd.SetComputeTextureParam(rayTracingSubSurfaceCS, m_CombineSubSurfaceKernel, HDShaderIDs._DiffuseLightingTextureRW, diffuseBufferRT);
                     cmd.SetComputeTextureParam(rayTracingSubSurfaceCS, m_CombineSubSurfaceKernel, HDShaderIDs._SSSBufferTexture, m_SSSColor);
+                    if (validSSGI)
+                        cmd.SetComputeTextureParam(rayTracingSubSurfaceCS, m_CombineSubSurfaceKernel, HDShaderIDs._IndirectDiffuseLightingBuffer, m_IndirectDiffuseBuffer0);
                     cmd.DispatchCompute(rayTracingSubSurfaceCS, m_CombineSubSurfaceKernel, numTilesXHR, numTilesYHR, hdCamera.viewCount);
 
                     // Push this version of the texture for debug
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/GlobalLightingQualitySettings.cs b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/GlobalLightingQualitySettings.cs
index 31ad235af21..76d529d58d2 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/GlobalLightingQualitySettings.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/GlobalLightingQualitySettings.cs
@@ -52,9 +52,9 @@ internal GlobalLightingQualitySettings()
             SSGIResolution[(int)ScalableSettingLevelParameter.Level.Medium] = true;
             SSGIResolution[(int)ScalableSettingLevelParameter.Level.High] = true;
 
-            SSGIRadius[(int)ScalableSettingLevelParameter.Level.Low] = 0.5f;
-            SSGIRadius[(int)ScalableSettingLevelParameter.Level.Medium] = 3.0f;
-            SSGIRadius[(int)ScalableSettingLevelParameter.Level.High] = 5.0f;
+            SSGIRadius[(int)ScalableSettingLevelParameter.Level.Low] = 1.5f;
+            SSGIRadius[(int)ScalableSettingLevelParameter.Level.Medium] = 5.0f;
+            SSGIRadius[(int)ScalableSettingLevelParameter.Level.High] = 20.0f;
 
             SSGIFullResolution[(int)ScalableSettingLevelParameter.Level.Low] = false;
             SSGIFullResolution[(int)ScalableSettingLevelParameter.Level.Medium] = true;
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDStringConstants.cs b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDStringConstants.cs
index a7a11ebbf88..9f9f7cc1eef 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDStringConstants.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDStringConstants.cs
@@ -615,7 +615,8 @@ static class HDShaderIDs
         public static readonly int _PositionTextureRW               = Shader.PropertyToID("_PositionTextureRW");
         public static readonly int _DiffuseLightingTextureRW        = Shader.PropertyToID("_DiffuseLightingTextureRW");
         public static readonly int _SubSurfaceLightingBuffer        = Shader.PropertyToID("_SubSurfaceLightingBuffer");
-
+        public static readonly int _IndirectDiffuseLightingBuffer   = Shader.PropertyToID("_IndirectDiffuseLightingBuffer");
+        
         // Accumulation
         public static readonly int _AccumulationFrameIndex          = Shader.PropertyToID("_AccumulationFrameIndex");
         public static readonly int _AccumulationNumSamples          = Shader.PropertyToID("_AccumulationNumSamples");
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/HDRaytracingIndirectDiffuse.cs b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/HDRaytracingIndirectDiffuse.cs
index e550ec2577f..e040d432e49 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/HDRaytracingIndirectDiffuse.cs
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/HDRaytracingIndirectDiffuse.cs
@@ -64,39 +64,16 @@ void RenderRayTracedIndirectDiffuse(HDCamera hdCamera, CommandBuffer cmd, Script
                 RenderIndirectDiffusePerformance(hdCamera, cmd, renderContext, frameCount);
             }
 
-            PropagateIndirectDiffuseData(hdCamera, cmd, renderContext, frameCount);
+            // Bind the indirect diffuse texture (for the lighting pass)
+            BindIndirectDiffuseTexture(cmd);
+
+            // Bind for debugging
+            (RenderPipelineManager.currentPipeline as HDRenderPipeline).PushFullScreenDebugTexture(hdCamera, cmd, m_IndirectDiffuseBuffer0, FullScreenDebugMode.ScreenSpaceGlobalIllumination);
         }
 
         void PropagateIndirectDiffuseData(HDCamera hdCamera, CommandBuffer cmd, ScriptableRenderContext renderContext, int frameCount)
         {
-            // Bind the indirect diffuse texture (for forward materials)
-            BindIndirectDiffuseTexture(cmd);
-
-            // If we are in deferred mode, we need to make sure to add the indirect diffuse (that we intentionally ignored during the GBuffer pass)
-            // Note that this discards the texture/object ambient occlusion. But we consider that okay given that the ray traced indirect diffuse
-            // is a physically correct evaluation of that quantity
-            ComputeShader indirectDiffuseCS = m_Asset.renderPipelineRayTracingResources.indirectDiffuseRaytracingCS;
-            if (hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred)
-            {
-                int indirectDiffuseKernel = indirectDiffuseCS.FindKernel("IndirectDiffuseAccumulation");
-
-                // Bind the source texture
-                cmd.SetComputeTextureParam(indirectDiffuseCS, indirectDiffuseKernel, HDShaderIDs._IndirectDiffuseTexture, m_IndirectDiffuseBuffer0);
-
-                // Bind the output texture
-                cmd.SetComputeTextureParam(indirectDiffuseCS, indirectDiffuseKernel, HDShaderIDs._GBufferTexture[0], m_GbufferManager.GetBuffer(0));
-                cmd.SetComputeTextureParam(indirectDiffuseCS, indirectDiffuseKernel, HDShaderIDs._GBufferTextureRW[3], m_GbufferManager.GetBuffer(3));
-
-                // Evaluate the dispatch parameters
-                int areaTileSize = 8;
-                int numTilesX = (hdCamera.actualWidth + (areaTileSize - 1)) / areaTileSize;
-                int numTilesY = (hdCamera.actualHeight + (areaTileSize - 1)) / areaTileSize;
-
-                // Add the indirect diffuse to the GBuffer
-                cmd.DispatchCompute(indirectDiffuseCS, indirectDiffuseKernel, numTilesX, numTilesY, hdCamera.viewCount);
-            }
-
-            (RenderPipelineManager.currentPipeline as HDRenderPipeline).PushFullScreenDebugTexture(hdCamera, cmd, m_IndirectDiffuseBuffer0, FullScreenDebugMode.ScreenSpaceGlobalIllumination);
+           
         }
 
         DeferredLightingRTParameters PrepareIndirectDiffuseDeferredLightingRTParameters(HDCamera hdCamera)
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/IndirectDiffuse/RaytracingIndirectDiffuse.compute b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/IndirectDiffuse/RaytracingIndirectDiffuse.compute
index ad2d408fd25..17f82f8cf1e 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/IndirectDiffuse/RaytracingIndirectDiffuse.compute
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/IndirectDiffuse/RaytracingIndirectDiffuse.compute
@@ -1,6 +1,5 @@
 #pragma kernel RaytracingIndirectDiffuseHalfRes
 #pragma kernel RaytracingIndirectDiffuseFullRes
-#pragma kernel IndirectDiffuseAccumulation
 #pragma kernel IndirectDiffuseIntegrationUpscaleHalfRes INDIRECT_DIFFUSE_INTEGRATION_UPSCALE=IndirectDiffuseIntegrationUpscaleHalfRes HALF_RESOLUTION
 #pragma kernel IndirectDiffuseIntegrationUpscaleFullRes INDIRECT_DIFFUSE_INTEGRATION_UPSCALE=IndirectDiffuseIntegrationUpscaleFullRes
 
@@ -239,22 +238,4 @@ void INDIRECT_DIFFUSE_INTEGRATION_UPSCALE(uint3 dispatchThreadId : SV_DispatchTh
         _UpscaledIndirectDiffuseTextureRW[COORD_TEXTURE2D_X(targetCoord)] = float4(resultSum.xyz / resultSum.w, 1.0);
     }
 #endif
-}
-
-// Gbuffer textures to accumulate the indirect diffuse
-TEXTURE2D_X(_GBufferTexture0);
-RW_TEXTURE2D_X(float4, _GBufferTexture3);
-
-[numthreads(RAYTRACING_INDIRECT_DIFFUSE_TILE_SIZE, RAYTRACING_INDIRECT_DIFFUSE_TILE_SIZE, 1)]
-void IndirectDiffuseAccumulation(uint3 dispatchThreadId : SV_DispatchThreadID, uint2 groupThreadId : SV_GroupThreadID, uint2 groupId : SV_GroupID)
-{
-    UNITY_XR_ASSIGN_VIEW_INDEX(dispatchThreadId.z);
-
-#if RAYTRACING_ENABLED
-    // Fetch the current pixel coordinate
-    uint2 currentPixelCoordinate = groupId * RAYTRACING_INDIRECT_DIFFUSE_TILE_SIZE + groupThreadId;
-
-    // Add the indirect diffuse to the buffer (while pre-multiplying by the base color)
-    _GBufferTexture3[COORD_TEXTURE2D_X(currentPixelCoordinate)] += LOAD_TEXTURE2D_X(_IndirectDiffuseTexture, currentPixelCoordinate) * LOAD_TEXTURE2D_X(_GBufferTexture0, currentPixelCoordinate) * _IndirectLightingMultiplier.x;
-#endif
-}
+}
\ No newline at end of file
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/SubSurface/RayTracingSubSurface.compute b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/SubSurface/RayTracingSubSurface.compute
index a1cfcee958b..bd05dac8f37 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/SubSurface/RayTracingSubSurface.compute
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Raytracing/Shaders/SubSurface/RayTracingSubSurface.compute
@@ -1,4 +1,6 @@
+#pragma kernel ClearTexture
 #pragma kernel BlendSubSurfaceData
+#pragma kernel BlendSubSurfaceDataWithGI
 
 #pragma only_renderers d3d11
 
@@ -24,6 +26,16 @@ RW_TEXTURE2D_X(float4, _DiffuseLightingTextureRW);
 
 #define RAYTRACING_SUB_SURFACE_TILE_SIZE 8
 
+[numthreads(RAYTRACING_SUB_SURFACE_TILE_SIZE, RAYTRACING_SUB_SURFACE_TILE_SIZE, 1)]
+void ClearTexture(uint3 dispatchThreadId : SV_DispatchThreadID, uint2 groupThreadId : SV_GroupThreadID, uint2 groupId : SV_GroupID)
+{
+    UNITY_XR_ASSIGN_VIEW_INDEX(dispatchThreadId.z);
+
+    // Compute the pixel position to process
+    uint2 currentCoord = groupId * RAYTRACING_SUB_SURFACE_TILE_SIZE + groupThreadId;
+    _DiffuseLightingTextureRW[COORD_TEXTURE2D_X(currentCoord)] = 0.0;
+}
+
 [numthreads(RAYTRACING_SUB_SURFACE_TILE_SIZE, RAYTRACING_SUB_SURFACE_TILE_SIZE, 1)]
 void BlendSubSurfaceData(uint3 dispatchThreadId : SV_DispatchThreadID, uint2 groupThreadId : SV_GroupThreadID, uint2 groupId : SV_GroupID)
 {
@@ -46,3 +58,30 @@ void BlendSubSurfaceData(uint3 dispatchThreadId : SV_DispatchThreadID, uint2 gro
     																	, _SubSurfaceLightingBuffer[COORD_TEXTURE2D_X(currentCoord)].xyz
     																	, sssData.subsurfaceMask), 1.0);
 }
+
+// The buffer of indirect diffuse lighting that shall be used
+TEXTURE2D_X(_IndirectDiffuseLightingBuffer);
+
+[numthreads(RAYTRACING_SUB_SURFACE_TILE_SIZE, RAYTRACING_SUB_SURFACE_TILE_SIZE, 1)]
+void BlendSubSurfaceDataWithGI(uint3 dispatchThreadId : SV_DispatchThreadID, uint2 groupThreadId : SV_GroupThreadID, uint2 groupId : SV_GroupID)
+{
+    UNITY_XR_ASSIGN_VIEW_INDEX(dispatchThreadId.z);
+
+    // Compute the pixel position to process
+    uint2 currentCoord = groupId * RAYTRACING_SUB_SURFACE_TILE_SIZE + groupThreadId;
+
+    // Read the SSS Data
+    SSSData sssData;
+    DECODE_FROM_SSSBUFFER(currentCoord, sssData);
+
+    // Compute the albedo color to use based on the scattering mode
+    int    profileIndex  = sssData.diffusionProfileIndex;
+    uint   texturingMode = GetSubsurfaceScatteringTexturingMode(profileIndex);
+    float3 albedo        = ApplySubsurfaceScatteringTexturingMode(texturingMode, sssData.diffuseColor);
+    float3 indirectDiffuse = _IndirectDiffuseLightingBuffer[COORD_TEXTURE2D_X(currentCoord)].xyz * sssData.diffuseColor * GetInverseCurrentExposureMultiplier();
+
+    // Blend and we are done
+    _DiffuseLightingTextureRW[COORD_TEXTURE2D_X(currentCoord)] = float4(lerp(_DiffuseLightingTextureRW[COORD_TEXTURE2D_X(currentCoord)].xyz * albedo * GetInverseCurrentExposureMultiplier()
+                                                                        , _SubSurfaceLightingBuffer[COORD_TEXTURE2D_X(currentCoord)].xyz + indirectDiffuse
+                                                                        , sssData.subsurfaceMask), 1.0);
+}
\ No newline at end of file