static void AdjustWeightRTReflections(CommandBuffer cmd, RTRAdjustWeightParameters parameters, RTRAdjustWeightResources resources)
{
// Bind all the required scalars to the CB
parameters.shaderVariablesRayTracingCB._RaytracingReflectionMinSmoothness = parameters.minSmoothness;
parameters.shaderVariablesRayTracingCB._RaytracingReflectionSmoothnessFadeStart = parameters.smoothnessFadeStart;
ConstantBuffer.PushGlobal(cmd, parameters.shaderVariablesRayTracingCB, HDShaderIDs._ShaderVariablesRaytracing);
// Source input textures
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._DepthTexture, resources.depthStencilBuffer);
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._SsrClearCoatMaskTexture, resources.clearCoatMaskTexture);
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._NormalBufferTexture, resources.normalBuffer);
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._DirectionPDFTexture, resources.directionTexture);
// Lighting textures
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._SsrLightingTextureRW, resources.lightingTexture);
// Output texture
cmd.SetComputeTextureParam(parameters.reflectionFilterCS, parameters.adjustWeightKernel, HDShaderIDs._RaytracingReflectionTexture, resources.outputTexture);
// Compute the texture
int numTilesXHR = (parameters.texWidth + (rtReflectionsComputeTileSize - 1)) / rtReflectionsComputeTileSize;
int numTilesYHR = (parameters.texHeight + (rtReflectionsComputeTileSize - 1)) / rtReflectionsComputeTileSize;
cmd.DispatchCompute(parameters.reflectionFilterCS, parameters.adjustWeightKernel, numTilesXHR, numTilesYHR, parameters.viewCount);
}
RTRAdjustWeightParameters PrepareRTRAdjustWeightParameters(HDCamera hdCamera, ScreenSpaceReflection settings)
{
RTRAdjustWeightParameters parameters = new RTRAdjustWeightParameters();
// Camera parameters
parameters.texWidth = settings.fullResolution ? hdCamera.actualWidth : hdCamera.actualWidth / 2;
parameters.texHeight = settings.fullResolution ? hdCamera.actualHeight : hdCamera.actualHeight / 2;
parameters.viewCount = hdCamera.viewCount;
// Requires parameters
parameters.minSmoothness = settings.minSmoothness;
parameters.smoothnessFadeStart = settings.smoothnessFadeStart;
// Other parameters
parameters.reflectionFilterCS = m_Asset.renderPipelineRayTracingResources.reflectionBilateralFilterCS;
parameters.adjustWeightKernel = settings.fullResolution ? m_ReflectionAdjustWeightKernel : m_ReflectionRescaleAndAdjustWeightKernel;
parameters.shaderVariablesRayTracingCB = m_ShaderVariablesRayTracingCB;
return(parameters);
}