void DenoiseIndirectDiffuseBuffer(HDCamera hdCamera, CommandBuffer cmd, GlobalIllumination settings) { // Grab the high frequency history buffer RTHandle indirectDiffuseHistoryHF = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.RaytracedIndirectDiffuseHF) ?? hdCamera.AllocHistoryFrameRT((int)HDCameraFrameHistoryType.RaytracedIndirectDiffuseHF, IndirectDiffuseHistoryBufferAllocatorFunction, 1); // Request the intermediate textures we will be using RTHandle intermediateBuffer1 = GetRayTracingBuffer(InternalRayTracingBuffers.RGBA1); RTHandle validationBuffer = GetRayTracingBuffer(InternalRayTracingBuffers.R0); // Evaluate the history validity float historyValidity0 = EvaluateIndirectDiffuseHistoryValidity0(hdCamera, settings.fullResolution, true); // Grab the temporal denoiser HDTemporalFilter temporalFilter = GetTemporalFilter(); // Temporal denoising TemporalFilterParameters tfParameters = temporalFilter.PrepareTemporalFilterParameters(hdCamera, false, historyValidity0); TemporalFilterResources tfResources = temporalFilter.PrepareTemporalFilterResources(hdCamera, validationBuffer, m_IndirectDiffuseBuffer0, indirectDiffuseHistoryHF, intermediateBuffer1); HDTemporalFilter.DenoiseBuffer(cmd, tfParameters, tfResources); // Apply the first pass of our denoiser HDDiffuseDenoiser diffuseDenoiser = GetDiffuseDenoiser(); DiffuseDenoiserParameters ddParams = diffuseDenoiser.PrepareDiffuseDenoiserParameters(hdCamera, false, settings.denoiserRadius, settings.halfResolutionDenoiser, settings.secondDenoiserPass); RTHandle intermediateBuffer = GetRayTracingBuffer(InternalRayTracingBuffers.RGBA0); DiffuseDenoiserResources ddResources = diffuseDenoiser.PrepareDiffuseDenoiserResources(intermediateBuffer1, intermediateBuffer, m_IndirectDiffuseBuffer0); HDDiffuseDenoiser.DenoiseBuffer(cmd, ddParams, ddResources); // If the second pass is requested, do it otherwise blit if (settings.secondDenoiserPass) { float historyValidity1 = EvaluateIndirectDiffuseHistoryValidity1(hdCamera, settings.fullResolution, true); // Grab the low frequency history buffer RTHandle indirectDiffuseHistoryLF = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.RaytracedIndirectDiffuseLF) ?? hdCamera.AllocHistoryFrameRT((int)HDCameraFrameHistoryType.RaytracedIndirectDiffuseLF, IndirectDiffuseHistoryBufferAllocatorFunction, 1); // Run the temporal denoiser tfParameters = temporalFilter.PrepareTemporalFilterParameters(hdCamera, false, historyValidity1); tfResources = temporalFilter.PrepareTemporalFilterResources(hdCamera, validationBuffer, m_IndirectDiffuseBuffer0, indirectDiffuseHistoryLF, intermediateBuffer1); HDTemporalFilter.DenoiseBuffer(cmd, tfParameters, tfResources); // Run the spatial denoiser ddParams = diffuseDenoiser.PrepareDiffuseDenoiserParameters(hdCamera, false, settings.denoiserRadius * 0.5f, settings.halfResolutionDenoiser, false); ddResources = diffuseDenoiser.PrepareDiffuseDenoiserResources(intermediateBuffer1, intermediateBuffer, m_IndirectDiffuseBuffer0); HDDiffuseDenoiser.DenoiseBuffer(cmd, ddParams, ddResources); PropagateIndirectDiffuseHistoryValidity1(hdCamera, settings.fullResolution, true); } // Propagate the history PropagateIndirectDiffuseHistoryValidity0(hdCamera, settings.fullResolution, true); }
public void DenoiseAO(CommandBuffer cmd, HDCamera hdCamera, RTHandle outputTexture) { var aoSettings = hdCamera.volumeStack.GetComponent <AmbientOcclusion>(); if (aoSettings.denoise) { // Evaluate the history's validity float historyValidity = historyValidity = HDRenderPipeline.ValidRayTracingHistory(hdCamera) ? 1.0f : 0.0f; // Grab the history buffer RTHandle aoHistory = RequestAmbientOcclusionHistoryTexture(hdCamera); // Prepare and execute the temporal filter HDTemporalFilter temporalFilter = m_RenderPipeline.GetTemporalFilter(); TemporalFilterParameters tfParameters = temporalFilter.PrepareTemporalFilterParameters(hdCamera, true, historyValidity); RTHandle validationBuffer = m_RenderPipeline.GetRayTracingBuffer(InternalRayTracingBuffers.R0); TemporalFilterResources tfResources = temporalFilter.PrepareTemporalFilterResources(hdCamera, validationBuffer, m_AOIntermediateBuffer0, aoHistory, m_AOIntermediateBuffer1); HDTemporalFilter.DenoiseBuffer(cmd, tfParameters, tfResources); // Apply the diffuse denoiser HDDiffuseDenoiser diffuseDenoiser = m_RenderPipeline.GetDiffuseDenoiser(); DiffuseDenoiserParameters ddParams = diffuseDenoiser.PrepareDiffuseDenoiserParameters(hdCamera, true, aoSettings.denoiserRadius, false, false); RTHandle intermediateBuffer = m_RenderPipeline.GetRayTracingBuffer(InternalRayTracingBuffers.RGBA0); DiffuseDenoiserResources ddResources = diffuseDenoiser.PrepareDiffuseDenoiserResources(m_AOIntermediateBuffer1, intermediateBuffer, outputTexture); HDDiffuseDenoiser.DenoiseBuffer(cmd, ddParams, ddResources); } else { HDUtils.BlitCameraTexture(cmd, m_AOIntermediateBuffer0, outputTexture); } }
public void DenoiseAO(CommandBuffer cmd, HDCamera hdCamera, AmbientOcclusionDenoiseParameters aoDenoiseParameters, AmbientOcclusionDenoiseResources aoDenoiseResources) { if (aoDenoiseParameters.denoise) { // Prepare and execute the temporal filter HDTemporalFilter temporalFilter = m_RenderPipeline.GetTemporalFilter(); TemporalFilterParameters tfParameters = temporalFilter.PrepareTemporalFilterParameters(hdCamera, true, aoDenoiseParameters.historyValidity); RTHandle validationBuffer = m_RenderPipeline.GetRayTracingBuffer(InternalRayTracingBuffers.R0); TemporalFilterResources tfResources = temporalFilter.PrepareTemporalFilterResources(hdCamera, validationBuffer, aoDenoiseResources.inputTexture, aoDenoiseResources.ambientOcclusionHistory, aoDenoiseResources.intermediateBuffer); HDTemporalFilter.DenoiseBuffer(cmd, tfParameters, tfResources); // Apply the diffuse denoiser HDDiffuseDenoiser diffuseDenoiser = m_RenderPipeline.GetDiffuseDenoiser(); DiffuseDenoiserParameters ddParams = diffuseDenoiser.PrepareDiffuseDenoiserParameters(hdCamera, true, aoDenoiseParameters.denoiserRadius, false); RTHandle intermediateBuffer = m_RenderPipeline.GetRayTracingBuffer(InternalRayTracingBuffers.RGBA0); DiffuseDenoiserResources ddResources = diffuseDenoiser.PrepareDiffuseDenoiserResources(aoDenoiseResources.intermediateBuffer, intermediateBuffer, aoDenoiseResources.outputTexture); HDDiffuseDenoiser.DenoiseBuffer(cmd, ddParams, ddResources); } else { HDUtils.BlitCameraTexture(cmd, aoDenoiseResources.inputTexture, aoDenoiseResources.outputTexture); } }