internal ReflectionDenoiserResources PrepareReflectionDenoiserResources(HDCamera hdCamera,
RTHandle noisyToOutputSignal, RTHandle historySignal,
RTHandle intermediateBuffer0, RTHandle intermediateBuffer1)
{
ReflectionDenoiserResources reflDenoiserResources = new ReflectionDenoiserResources();
reflDenoiserResources.historySignal = historySignal;
reflDenoiserResources.noisyToOutputSignal = noisyToOutputSignal;
reflDenoiserResources.intermediateBuffer0 = intermediateBuffer0;
reflDenoiserResources.intermediateBuffer1 = intermediateBuffer1;
reflDenoiserResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
reflDenoiserResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
return(reflDenoiserResources);
}
public static void DenoiseBuffer(CommandBuffer cmd, ReflectionDenoiserParameters reflDenoiserParameters, ReflectionDenoiserResources reflDenoiserResources)
{
// Evaluate the dispatch parameters
int tileSize = 8;
int numTilesX = (reflDenoiserParameters.texWidth + (tileSize - 1)) / tileSize;
int numTilesY = (reflDenoiserParameters.texHeight + (tileSize - 1)) / tileSize;
// Apply a vectorized temporal filtering pass and store it back in the denoisebuffer0 with the analytic value in the third channel
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, HDShaderIDs._DenoiseInputTexture, reflDenoiserResources.noisyToOutputSignal);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, HDShaderIDs._HistoryBuffer, reflDenoiserResources.historySignal);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, HDShaderIDs._DepthTexture, reflDenoiserResources.depthStencilBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, HDShaderIDs._NormalBufferTexture, reflDenoiserResources.normalBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, HDShaderIDs._DenoiseOutputTextureRW, reflDenoiserResources.intermediateBuffer0);
cmd.SetComputeFloatParam(reflDenoiserParameters.reflectionDenoiserCS, HDShaderIDs._HistoryValidity, reflDenoiserParameters.historyValidity);
cmd.DispatchCompute(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.temporalAccumulationKernel, numTilesX, numTilesY, reflDenoiserParameters.viewCount);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.copyHistoryKernel, HDShaderIDs._DenoiseInputTexture, reflDenoiserResources.intermediateBuffer0);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.copyHistoryKernel, HDShaderIDs._DenoiseOutputTextureRW, reflDenoiserResources.historySignal);
cmd.DispatchCompute(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.copyHistoryKernel, numTilesX, numTilesY, reflDenoiserParameters.viewCount);
// Horizontal pass of the bilateral filter
cmd.SetComputeIntParam(reflDenoiserParameters.reflectionDenoiserCS, HDShaderIDs._DenoiserFilterRadius, reflDenoiserParameters.maxKernelSize);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, HDShaderIDs._DenoiseInputTexture, reflDenoiserResources.intermediateBuffer0);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, HDShaderIDs._DepthTexture, reflDenoiserResources.depthStencilBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, HDShaderIDs._NormalBufferTexture, reflDenoiserResources.normalBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, HDShaderIDs._DenoiseOutputTextureRW, reflDenoiserResources.intermediateBuffer1);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, HDShaderIDs._ReflectionFilterMapping, reflDenoiserParameters.reflectionFilterMapping);
cmd.DispatchCompute(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterHKernel, numTilesX, numTilesY, reflDenoiserParameters.viewCount);
// Horizontal pass of the bilateral filter
cmd.SetComputeIntParam(reflDenoiserParameters.reflectionDenoiserCS, HDShaderIDs._DenoiserFilterRadius, reflDenoiserParameters.maxKernelSize);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, HDShaderIDs._DenoiseInputTexture, reflDenoiserResources.intermediateBuffer1);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, HDShaderIDs._DepthTexture, reflDenoiserResources.depthStencilBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, HDShaderIDs._NormalBufferTexture, reflDenoiserResources.normalBuffer);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, HDShaderIDs._DenoiseOutputTextureRW, reflDenoiserResources.noisyToOutputSignal);
cmd.SetComputeTextureParam(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, HDShaderIDs._ReflectionFilterMapping, reflDenoiserParameters.reflectionFilterMapping);
cmd.DispatchCompute(reflDenoiserParameters.reflectionDenoiserCS, reflDenoiserParameters.bilateralFilterVKernel, numTilesX, numTilesY, reflDenoiserParameters.viewCount);
}