public override void Render(PostProcessRenderContext RenderContent)
{
RenderContent.command.BeginSample("ScreenSpaceReflection");
int2 ScreenSize = new int2(RenderContent.camera.pixelWidth, RenderContent.camera.pixelHeight);
int2 HZBSize = new int2(1024, 1024);
//int2 HZBSize = ScreenSize;
Matrix4x4 WorldToViewMatrix = RenderContent.camera.worldToCameraMatrix;
Matrix4x4 ProjectionMatrix = GL.GetGPUProjectionMatrix(RenderContent.camera.projectionMatrix, false);
Matrix4x4 ViewProjectionMatrix = ProjectionMatrix * WorldToViewMatrix;
{
SSRParameter.NumRays = settings.NumRays;
SSRParameter.NumSteps = settings.NumSteps;
SSRParameter.BRDFBias = settings.BRDFBias;
SSRParameter.Fadeness = settings.Fadeness;
SSRParameter.RoughnessDiscard = settings.RoughnessDiscard;
////////////////////////////////////////////////////////////////
SSRInputData.FrameIndex += 1;
SSRInputData.Matrix_Proj = ProjectionMatrix;
SSRInputData.Matrix_InvProj = ProjectionMatrix.inverse;
SSRInputData.Matrix_InvViewProj = ViewProjectionMatrix.inverse;
SSRInputData.Matrix_WorldToView = WorldToViewMatrix;
SSRInputData.SRV_PyramidColor = RenderContent.source;
SSRInputData.SRV_SceneDepth = BuiltinRenderTextureType.ResolvedDepth;
SSRInputData.SRV_GBufferNormal = BuiltinRenderTextureType.GBuffer2;
SSRInputData.SRV_GBufferRoughness = BuiltinRenderTextureType.GBuffer1;
SSRInputData.TraceResolution = new float4(ScreenSize.x / (int)settings.RenderMode.value, ScreenSize.y / (int)settings.RenderMode.value, 1.0f / (ScreenSize.x / (int)settings.RenderMode.value), 1.0f / (ScreenSize.y / (int)settings.RenderMode.value));
}
{
SVGFParamete.NumSpatial = settings.NumSpatial;
SVGFParamete.SpatialRadius = settings.SpatialRadius;
SVGFParamete.TemporalScale = settings.TemporalScale;
SVGFParamete.TemporalWeight = settings.TemporalWeight;
////////////////////////////////////////////////////////////////
SVGFInputData.FrameIndex += 1;
SVGFInputData.Resolution = new float4(ScreenSize.x, ScreenSize.y, 1.0f / ScreenSize.x, 1.0f / ScreenSize.y);
SVGFInputData.Matrix_InvProj = ProjectionMatrix.inverse;
SVGFInputData.Matrix_ViewProj = ViewProjectionMatrix;
SVGFInputData.Matrix_InvViewProj = ViewProjectionMatrix.inverse;
SVGFInputData.Matrix_WorldToView = WorldToViewMatrix;
SVGFInputData.SRV_GBufferMotion = BuiltinRenderTextureType.MotionVectors;
SVGFInputData.SRV_SceneDepth = BuiltinRenderTextureType.ResolvedDepth;
SVGFInputData.SRV_GBufferNormal = BuiltinRenderTextureType.GBuffer2;
SVGFInputData.SRV_GBufferRoughness = BuiltinRenderTextureType.GBuffer1;
}
//////Depth Pyramid
RenderContent.command.BeginSample("Depth Pyramid");
RenderTextureDescriptor PyramidDepthDesc = new RenderTextureDescriptor(HZBSize.x, HZBSize.y, RenderTextureFormat.RHalf, 0)
{
bindMS = false,
useMipMap = true,
autoGenerateMips = false,
dimension = TextureDimension.Tex2D
};
RTV_PyramidDepth = RenderTexture.GetTemporary(PyramidDepthDesc);
RTV_PyramidDepth.filterMode = FilterMode.Point;
SSRInputData.SRV_PyramidDepth = new RenderTargetIdentifier(RTV_PyramidDepth);
RenderContent.command.BlitFullscreenTriangle(BuiltinRenderTextureType.ResolvedDepth, SSRInputData.SRV_PyramidDepth);
PyramidDepthGenerator.DepthPyramidUpdate(ref DepthPyramidMipIDs, ref HZBSize, SSRInputData.SRV_PyramidDepth, RenderContent.command);
RenderContent.command.EndSample("Depth Pyramid");
//////Ray Casting
RenderContent.command.BeginSample("Reflection Raytrace");
RenderContent.command.GetTemporaryRT(SSRShaderID.UAV_ReflectionUVWPDF, (int)SSRInputData.TraceResolution.x, (int)SSRInputData.TraceResolution.y, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Default, 1, true);
RenderContent.command.GetTemporaryRT(SSRShaderID.UAV_ReflectionColorMask, (int)SSRInputData.TraceResolution.x, (int)SSRInputData.TraceResolution.y, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Default, 1, true);
RenderTargetIdentifier ReflectionUWVPDF = new RenderTargetIdentifier(SSRShaderID.UAV_ReflectionUVWPDF);
RenderTargetIdentifier ReflectionColorMask = new RenderTargetIdentifier(SSRShaderID.UAV_ReflectionColorMask);
SSR.Render(RenderContent.command, ReflectionUWVPDF, ReflectionColorMask, ref SSRParameter, ref SSRInputData);
RenderContent.command.EndSample("Reflection Raytrace");
//////Spatial Filter
RenderContent.command.BeginSample("Reflection SpatialFilter");
RenderContent.command.GetTemporaryRT(SVGF_SpatialShaderID.UAV_SpatialColor, (int)SSRInputData.TraceResolution.x, (int)SSRInputData.TraceResolution.y, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Default, 1, true);
RenderTargetIdentifier UAV_SpatialColor;
if (settings.EnableSpatial)
{
UAV_SpatialColor = new RenderTargetIdentifier(SVGF_SpatialShaderID.UAV_SpatialColor);
SVGFilter.SpatialFilter(RenderContent.command, ReflectionUWVPDF, ReflectionColorMask, UAV_SpatialColor, ref SVGFParamete, ref SVGFInputData);
}
else
{
UAV_SpatialColor = ReflectionColorMask;
}
RenderContent.command.EndSample("Reflection SpatialFilter");
//////Temporal Filter
RenderContent.command.BeginSample("Reflection TemporalFilter");
RenderContent.command.GetTemporaryRT(SVGF_TemporalShaderID.SRV_PrevColor, (int)SSRInputData.TraceResolution.x, (int)SSRInputData.TraceResolution.y, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Default, 1, false);
RenderContent.command.GetTemporaryRT(SVGF_TemporalShaderID.UAV_TemporalColor, (int)SSRInputData.TraceResolution.x, (int)SSRInputData.TraceResolution.y, 0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf, RenderTextureReadWrite.Default, 1, true);
RenderTargetIdentifier SRV_PrevColor = new RenderTargetIdentifier(SVGF_TemporalShaderID.SRV_PrevColor);
RenderTargetIdentifier UAV_TemporalColor = new RenderTargetIdentifier(SVGF_TemporalShaderID.UAV_TemporalColor);
SVGFilter.TemporalFilter(RenderContent.command, ReflectionUWVPDF, UAV_SpatialColor, SRV_PrevColor, UAV_TemporalColor, ref SVGFParamete, ref SVGFInputData);
RenderContent.command.CopyTexture(UAV_TemporalColor, SRV_PrevColor);
RenderContent.command.EndSample("Reflection TemporalFilter");
RenderContent.command.BeginSample("Reflection Blit");
//PropertySheet Sheet = RenderContent.propertySheets.Get(CompositingShader);
RenderContent.command.SetGlobalMatrix("_Matrix_InvViewProj", ViewProjectionMatrix.inverse);
RenderContent.command.SetGlobalTexture("_SRV_SSRAlpha", UAV_SpatialColor);
RenderContent.command.SetGlobalTexture("_SRV_SSRColor", UAV_TemporalColor);
BlitFullscreenTriangle(RenderContent.command, RenderContent.source, RenderContent.destination, CompositingMaterial, 0);
RenderContent.command.EndSample("Reflection Blit");
{
RenderContent.command.ReleaseTemporaryRT(SSRShaderID.UAV_ReflectionUVWPDF);
RenderContent.command.ReleaseTemporaryRT(SSRShaderID.UAV_ReflectionColorMask);
RenderContent.command.ReleaseTemporaryRT(SVGF_SpatialShaderID.UAV_SpatialColor);
RenderContent.command.ReleaseTemporaryRT(SVGF_TemporalShaderID.SRV_PrevColor);
RenderContent.command.ReleaseTemporaryRT(SVGF_TemporalShaderID.UAV_TemporalColor);
RenderTexture.ReleaseTemporary(RTV_PyramidDepth);
SVGFInputData.Matrix_PrevViewProj = ViewProjectionMatrix;
}
RenderContent.command.EndSample("ScreenSpaceReflection");
}
public override void Render(PostProcessRenderContext RenderContent)
{
RenderContent.command.BeginSample("ScreenSpaceGlobalIllumination");
int2 HZBSize = new int2(1024, 1024);
int2 ScreenSize = new int2(RenderContent.camera.pixelWidth, RenderContent.camera.pixelHeight);
Matrix4x4 ProjectionMatrix = GL.GetGPUProjectionMatrix(RenderContent.camera.projectionMatrix, false);
Matrix4x4 WorldToViewMatrix = RenderContent.camera.worldToCameraMatrix;
Matrix4x4 ViewProjectionMatrix = ProjectionMatrix * WorldToViewMatrix;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
{
SSGiParameter.RayMask = false;
SSGiParameter.NumRays = settings.NumRays;
SSGiParameter.NumSteps = settings.NumSteps;
SSGiParameter.Thickness = settings.Thickness;
SSGiParameter.Intensity = settings.Intensity;
SSGiData.TraceResolution = new float4(ScreenSize.x, ScreenSize.y, 1.0f / ScreenSize.x, 1.0f / ScreenSize.y);
SSGiData.FrameIndex += 1;
SSGiData.Matrix_Proj = ProjectionMatrix;
SSGiData.Matrix_InvProj = ProjectionMatrix.inverse;
SSGiData.Matrix_ViewProj = ViewProjectionMatrix;
SSGiData.Matrix_InvViewProj = ViewProjectionMatrix.inverse;
SSGiData.Matrix_WorldToView = WorldToViewMatrix;
SSGiData.SRV_PyramidColor = RenderContent.source;
SSGiData.SRV_SceneDepth = BuiltinRenderTextureType.ResolvedDepth;
SSGiData.SRV_GBufferNormal = BuiltinRenderTextureType.GBuffer2;
}
{
SVGFParamete.NumSpatial = settings.NumSpatial;
SVGFParamete.SpatialRadius = settings.SpatialRadius;
SVGFParamete.TemporalScale = settings.TemporalScale;
SVGFParamete.TemporalWeight = settings.TemporalWeight;
////////////////////////////////////////////////////////////////
SVGFInputData.FrameIndex += 1;
SVGFInputData.Resolution = new float4(ScreenSize.x, ScreenSize.y, 1.0f / ScreenSize.x, 1.0f / ScreenSize.y);
SVGFInputData.Matrix_InvProj = ProjectionMatrix.inverse;
SVGFInputData.Matrix_ViewProj = ViewProjectionMatrix;
SVGFInputData.Matrix_InvViewProj = ViewProjectionMatrix.inverse;
SVGFInputData.Matrix_WorldToView = WorldToViewMatrix;
SVGFInputData.SRV_GBufferMotion = BuiltinRenderTextureType.MotionVectors;
SVGFInputData.SRV_SceneDepth = BuiltinRenderTextureType.ResolvedDepth;
SVGFInputData.SRV_GBufferNormal = BuiltinRenderTextureType.GBuffer2;
SVGFInputData.SRV_GBufferRoughness = BuiltinRenderTextureType.GBuffer1;
}
//////Set DepthPyramid Data
RenderContent.command.BeginSample("Depth Pyramid");
RenderTextureDescriptor PyramidDepthDesc = new RenderTextureDescriptor(HZBSize.x, HZBSize.y, RenderTextureFormat.RHalf, 0)
{
useMipMap = true,
autoGenerateMips = false,
};
RenderContent.command.GetTemporaryRT(SSGiShaderID.SRV_PyramidDepth, PyramidDepthDesc, FilterMode.Point);
SSGiData.SRV_PyramidDepth = new RenderTargetIdentifier(SSGiShaderID.SRV_PyramidDepth);
RenderContent.command.BlitFullscreenTriangle(BuiltinRenderTextureType.ResolvedDepth, SSGiData.SRV_PyramidDepth);
PyramidDepthGenerator.DepthPyramidUpdate(ref DepthPyramidMipIDs, ref HZBSize, SSGiData.SRV_PyramidDepth, RenderContent.command);
RenderContent.command.EndSample("Depth Pyramid");
RenderContent.command.BeginSample("Gi Raytrace");
RenderContent.command.GetTemporaryRT(SSGiShaderID.UAV_ScreenIrradiance, (int)SSGiData.TraceResolution.x, (int)SSGiData.TraceResolution.y, 0, FilterMode.Point, RenderTextureFormat.RGB111110Float, RenderTextureReadWrite.Default, 1, true);
RenderTargetIdentifier ScreenIrradiance = new RenderTargetIdentifier(SSGiShaderID.UAV_ScreenIrradiance);
SSGi.Render(RenderContent.command, ScreenIrradiance, ref SSGiParameter, ref SSGiData);
RenderContent.command.EndSample("Gi Raytrace");
RenderContent.command.BeginSample("Reflection Blit");
RenderContent.command.BlitFullscreenTriangle(ScreenIrradiance, RenderContent.destination);
RenderContent.command.ReleaseTemporaryRT(SSGiShaderID.SRV_PyramidDepth);
RenderContent.command.ReleaseTemporaryRT(SSGiShaderID.UAV_ScreenIrradiance);
//RenderContent.command.ReleaseTemporaryRT(SVGF_SpatialShaderID.UAV_SpatialColor);
//RenderContent.command.ReleaseTemporaryRT(SVGF_TemporalShaderID.UAV_TemporalColor);
SVGFInputData.Matrix_PrevViewProj = ViewProjectionMatrix;
RenderContent.command.EndSample("Reflection Blit");
RenderContent.command.EndSample("ScreenSpaceReflection");
}