Fixing exceptions in the console when putting the SSGI in low quality mode (render graph).

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -24,6 +24,7 @@ The version number for this package has increased due to a version update of a r
 - Fixed upside down XR occlusion mesh.
 - Fixed precision issue with the atmospheric fog.
 - Claryfied doc for the LayeredLit material.
+- Fixing exceptions in the console when putting the SSGI in low quality mode (render graph).
 
 ### Changed
 - Combined occlusion meshes into one to reduce draw calls and state changes with XR single-pass.

com.unity.render-pipelines.high-definition/Runtime/Lighting/ScreenSpaceLighting/ScreenSpaceGlobalIllumination.RenderGraph.cs

@@ -75,13 +75,13 @@ class UpscaleSSGIPassData
             public TextureHandle outputBuffer;
         }
 
-        TextureHandle UpscaleSSGI(RenderGraph renderGraph, HDCamera hdCamera, GlobalIllumination giSettings, TextureHandle depthPyramid, TextureHandle inputBuffer)
+        TextureHandle UpscaleSSGI(RenderGraph renderGraph, HDCamera hdCamera, GlobalIllumination giSettings, HDUtils.PackedMipChainInfo info, TextureHandle depthPyramid, TextureHandle inputBuffer)
         {
             using (var builder = renderGraph.AddRenderPass<UpscaleSSGIPassData>("Upscale SSGI", out var passData, ProfilingSampler.Get(HDProfileId.SSGIUpscale)))
             {
                 builder.EnableAsyncCompute(false);
 
-                passData.parameters = PrepareSSGIUpscaleParameters(hdCamera, giSettings); ;
+                passData.parameters = PrepareSSGIUpscaleParameters(hdCamera, giSettings, info);
                 passData.depthTexture = builder.ReadTexture(depthPyramid);
                 passData.inputBuffer = builder.ReadTexture(inputBuffer);
                 passData.outputBuffer = builder.WriteTexture(renderGraph.CreateTexture(new TextureDesc(Vector2.one, true, true)
@@ -137,7 +137,7 @@ TextureHandle ConvertSSGI(RenderGraph renderGraph, HDCamera hdCamera, bool halfR
             }
         }
 
-        TextureHandle RenderSSGI(RenderGraph renderGraph, HDCamera hdCamera, TextureHandle depthPyramid, TextureHandle normalBuffer, TextureHandle motionVectorsBuffer, ShaderVariablesRaytracing shaderVariablesRayTracingCB)
+        TextureHandle RenderSSGI(RenderGraph renderGraph, HDCamera hdCamera, TextureHandle depthPyramid, TextureHandle normalBuffer, TextureHandle motionVectorsBuffer, ShaderVariablesRaytracing shaderVariablesRayTracingCB, HDUtils.PackedMipChainInfo info)
         {
             // Grab the global illumination volume component
             GlobalIllumination giSettings = hdCamera.volumeStack.GetComponent<GlobalIllumination>();
@@ -160,7 +160,7 @@ TextureHandle RenderSSGI(RenderGraph renderGraph, HDCamera hdCamera, TextureHand
                 // Upscale it if required
                 // If this was a half resolution effect, we still have to upscale it
                 if (!giSettings.fullResolutionSS)
-                    colorBuffer = UpscaleSSGI(renderGraph, hdCamera, giSettings, depthPyramid, colorBuffer);
+                    colorBuffer = UpscaleSSGI(renderGraph, hdCamera, giSettings, info, depthPyramid, colorBuffer);
                 return colorBuffer;
             }
         }

com.unity.render-pipelines.high-definition/Runtime/Lighting/ScreenSpaceLighting/ScreenSpaceGlobalIllumination.cs

@@ -325,7 +325,7 @@ struct SSGIUpscaleParameters
             public int upscaleKernel;
         }
 
-        SSGIUpscaleParameters PrepareSSGIUpscaleParameters(HDCamera hdCamera, GlobalIllumination settings)
+        SSGIUpscaleParameters PrepareSSGIUpscaleParameters(HDCamera hdCamera, GlobalIllumination settings, HDUtils.PackedMipChainInfo info)
         {
             SSGIUpscaleParameters parameters = new SSGIUpscaleParameters();
 
@@ -336,7 +336,6 @@ SSGIUpscaleParameters PrepareSSGIUpscaleParameters(HDCamera hdCamera, GlobalIllu
             parameters.halfScreenSize.Set(parameters.texWidth / 2, parameters.texHeight / 2, 1.0f / (parameters.texWidth * 0.5f), 1.0f / (parameters.texHeight * 0.5f));
 
             // Set the generation parameters
-            var info = m_SharedRTManager.GetDepthBufferMipChainInfo();
             parameters.firstMipOffset.Set(HDShadowUtils.Asfloat((uint)info.mipLevelOffsets[1].x), HDShadowUtils.Asfloat((uint)info.mipLevelOffsets[1].y));
 
             // Grab the right kernel
@@ -467,7 +466,7 @@ void RenderSSGI(HDCamera hdCamera, CommandBuffer cmd, ScriptableRenderContext re
                     {
                         ComputeShader bilateralUpsampleCS = m_Asset.renderPipelineResources.shaders.bilateralUpsampleCS;
 
-                        SSGIUpscaleParameters parameters = PrepareSSGIUpscaleParameters(hdCamera, giSettings);
+                        SSGIUpscaleParameters parameters = PrepareSSGIUpscaleParameters(hdCamera, giSettings, m_SharedRTManager.GetDepthBufferMipChainInfo());
                         SSGIUpscaleResources resources = PrepareSSGIUpscaleResources(hdCamera, buffer00, buffer10);
                         ExecuteSSGIUpscale(cmd, parameters, resources);
                     }

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDRenderPipeline.RenderGraph.cs

@@ -119,7 +119,7 @@ void ExecuteWithRenderGraph(    RenderRequest           renderRequest,
                 switch (GetIndirectDiffuseMode(hdCamera))
                 {
                     case IndirectDiffuseMode.ScreenSpace:
-                        lightingBuffers.ssgiLightingBuffer = RenderSSGI(m_RenderGraph, hdCamera, prepassOutput.depthPyramidTexture, prepassOutput.normalBuffer, prepassOutput.resolvedMotionVectorsBuffer, m_ShaderVariablesRayTracingCB);
+                        lightingBuffers.ssgiLightingBuffer = RenderSSGI(m_RenderGraph, hdCamera, prepassOutput.depthPyramidTexture, prepassOutput.normalBuffer, prepassOutput.resolvedMotionVectorsBuffer, m_ShaderVariablesRayTracingCB, GetDepthBufferMipChainInfo());
                         break;
 
                     case IndirectDiffuseMode.Raytrace: