public TextureHandle Render(RenderGraph renderGraph, HDCamera hdCamera, TextureHandle depthPyramid, TextureHandle motionVectors, int frameCount)
{
var settings = hdCamera.volumeStack.GetComponent <AmbientOcclusion>();
TextureHandle result;
// AO has side effects (as it uses an imported history buffer)
// So we can't rely on automatic pass stripping. This is why we have to be explicit here.
if (IsActive(hdCamera, settings))
{
{
EnsureRTSize(settings, hdCamera);
var historyRT = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.AmbientOcclusion);
var currentHistory = renderGraph.ImportTexture(historyRT);
var outputHistory = renderGraph.ImportTexture(hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.AmbientOcclusion));
Vector2 historySize = new Vector2(historyRT.referenceSize.x * historyRT.scaleFactor.x,
historyRT.referenceSize.y * historyRT.scaleFactor.y);
var rtScaleForHistory = hdCamera.historyRTHandleProperties.rtHandleScale;
var aoParameters = PrepareRenderAOParameters(hdCamera, renderGraph.rtHandleProperties, historySize * rtScaleForHistory, frameCount);
var packedData = RenderAO(renderGraph, aoParameters, depthPyramid);
result = DenoiseAO(renderGraph, aoParameters, motionVectors, packedData, currentHistory, outputHistory);
}
}
else
{
result = renderGraph.ImportTexture(TextureXR.GetBlackTexture(), HDShaderIDs._AmbientOcclusionTexture);
}
return(result);
}
void EvaluateShadowDebugView(CommandBuffer cmd, HDCamera hdCamera)
{
// If this is the right debug mode and the index we are asking for is in the range
HDRenderPipeline hdrp = (RenderPipelineManager.currentPipeline as HDRenderPipeline);
if (FullScreenDebugMode.ScreenSpaceShadows == hdrp.m_CurrentDebugDisplaySettings.data.fullScreenDebugMode)
{
if (!hdrp.rayTracingSupported || (m_ScreenSpaceShadowChannelSlot <= hdrp.m_CurrentDebugDisplaySettings.data.screenSpaceShadowIndex))
{
// In this case we have not rendered any screenspace shadows, so push a black texture on the debug display
hdrp.PushFullScreenDebugTexture(hdCamera, cmd, TextureXR.GetBlackTextureArray(), FullScreenDebugMode.ScreenSpaceShadows);
return;
}
// Fetch the buffer where we we will store our result
RTHandle debugResultBuffer = GetRayTracingBuffer(InternalRayTracingBuffers.RGBA0);
// Generate the debug view
SSShadowDebugParameters sssdParams = PrepareSSShadowDebugParameters(hdCamera, (int)hdrp.m_CurrentDebugDisplaySettings.data.screenSpaceShadowIndex);
SSShadowDebugResources sssdResources = PrepareSSShadowDebugResources(debugResultBuffer);
ExecuteShadowDebugView(cmd, sssdParams, sssdResources);
// Push the full screen debug texture
hdrp.PushFullScreenDebugTexture(hdCamera, cmd, debugResultBuffer, FullScreenDebugMode.ScreenSpaceShadows);
}
}
internal void PushProbeVolumesGlobalParamsDefault(HDCamera hdCamera, CommandBuffer cmd, int frameIndex)
{
cmd.SetGlobalBuffer(HDShaderIDs._ProbeVolumeBounds, s_VisibleProbeVolumeBoundsBufferDefault);
cmd.SetGlobalBuffer(HDShaderIDs._ProbeVolumeDatas, s_VisibleProbeVolumeDataBufferDefault);
cmd.SetGlobalTexture(HDShaderIDs._ProbeVolumeAtlasSH, TextureXR.GetBlackTexture3D());
cmd.SetGlobalTexture(HDShaderIDs._ProbeVolumeAtlasOctahedralDepth, Texture2D.blackTexture);
}
public RenderGraphResource Render(RenderGraph renderGraph, HDCamera hdCamera, RenderGraphResource depthPyramid, RenderGraphResource motionVectors, int frameCount)
{
var settings = VolumeManager.instance.stack.GetComponent <AmbientOcclusion>();
RenderGraphResource result;
// AO has side effects (as it uses an imported history buffer)
// So we can't rely on automatic pass stripping. This is why we have to be explicit here.
if (IsActive(hdCamera, settings))
{
{
EnsureRTSize(settings, hdCamera);
var aoParameters = PrepareRenderAOParameters(hdCamera, renderGraph.rtHandleProperties, frameCount);
var currentHistory = renderGraph.ImportTexture(hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.AmbientOcclusion));
var outputHistory = renderGraph.ImportTexture(hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.AmbientOcclusion));
var packedData = RenderAO(renderGraph, aoParameters, depthPyramid);
result = DenoiseAO(renderGraph, aoParameters, motionVectors, packedData, currentHistory, outputHistory);
}
}
else
{
result = renderGraph.ImportTexture(TextureXR.GetBlackTexture(), HDShaderIDs._AmbientOcclusionTexture);
}
return(result);
}
TextureHandle RenderPostProcess(RenderGraph renderGraph,
TextureHandle inputColor,
TextureHandle depthBuffer,
TextureHandle backBuffer,
CullingResults cullResults,
HDCamera hdCamera)
{
PostProcessParameters parameters = PreparePostProcess(cullResults, hdCamera);
TextureHandle afterPostProcessBuffer = renderGraph.ImportTexture(TextureXR.GetBlackTexture());
TextureHandle dest = HDUtils.PostProcessIsFinalPass(parameters.hdCamera) ? backBuffer : renderGraph.CreateTexture(
new TextureDesc(Vector2.one, true, true)
{
colorFormat = GetColorBufferFormat(), name = "Intermediate Postprocess buffer"
});
if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.AfterPostprocess))
{
// We render AfterPostProcess objects first into a separate buffer that will be composited in the final post process pass
using (var builder = renderGraph.AddRenderPass <AfterPostProcessPassData>("After Post-Process", out var passData, ProfilingSampler.Get(HDProfileId.AfterPostProcessing)))
{
passData.parameters = parameters;
passData.afterPostProcessBuffer = builder.UseColorBuffer(renderGraph.CreateTexture(
new TextureDesc(Vector2.one, true, true)
{
colorFormat = GraphicsFormat.R8G8B8A8_SRGB, clearBuffer = true, clearColor = Color.black, name = "OffScreen AfterPostProcess"
}), 0);
if (passData.parameters.useDepthBuffer)
{
passData.depthStencilBuffer = builder.UseDepthBuffer(depthBuffer, DepthAccess.ReadWrite);
}
passData.opaqueAfterPostprocessRL = builder.UseRendererList(renderGraph.CreateRendererList(passData.parameters.opaqueAfterPPDesc));
passData.transparentAfterPostprocessRL = builder.UseRendererList(renderGraph.CreateRendererList(passData.parameters.transparentAfterPPDesc));
builder.SetRenderFunc(
(AfterPostProcessPassData data, RenderGraphContext ctx) =>
{
RenderAfterPostProcess(data.parameters
, ctx.resources.GetRendererList(data.opaqueAfterPostprocessRL)
, ctx.resources.GetRendererList(data.transparentAfterPostprocessRL)
, ctx.renderContext, ctx.cmd);
});
afterPostProcessBuffer = passData.afterPostProcessBuffer;
}
}
m_PostProcessSystem.Render(
renderGraph,
parameters.hdCamera,
parameters.blueNoise,
inputColor,
afterPostProcessBuffer,
depthBuffer,
dest,
parameters.flipYInPostProcess
);
return(dest);
}
public void Render(CommandBuffer cmd, HDCamera camera, SharedRTManager sharedRTManager, ScriptableRenderContext renderContext, int frameCount)
{
var settings = VolumeManager.instance.stack.GetComponent <AmbientOcclusion>();
if (!IsActive(camera, settings))
{
// No AO applied - neutral is black, see the comment in the shaders
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, TextureXR.GetBlackTexture());
cmd.SetGlobalVector(HDShaderIDs._AmbientOcclusionParam, Vector4.zero);
return;
}
else
{
#if ENABLE_RAYTRACING
if (settings.enableRaytracing.value)
{
m_RaytracingAmbientOcclusion.RenderAO(camera, cmd, m_AmbientOcclusionTex, renderContext, frameCount);
}
else
#endif
{
Dispatch(cmd, camera, sharedRTManager);
PostDispatchWork(cmd, camera, sharedRTManager);
}
}
}
TemporalFilterArrayResources PrepareTemporalFilterArrayResources(HDCamera hdCamera, RTHandle noisyBuffer, RTHandle distanceBuffer, RTHandle validationBuffer,
RTHandle historyBuffer, RTHandle validationHistoryBuffer, RTHandle distanceHistorySignal,
RTHandle outputBuffer, RTHandle outputDistanceSignal)
{
TemporalFilterArrayResources tfaResources = new TemporalFilterArrayResources();
// Input buffers
tfaResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
tfaResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
tfaResources.velocityBuffer = TextureXR.GetBlackTexture();
tfaResources.historyDepthTexture = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Depth);
tfaResources.historyNormalTexture = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Normal);
tfaResources.noisyBuffer = noisyBuffer;
tfaResources.distanceBuffer = distanceBuffer;
tfaResources.motionVectorBuffer = m_SharedRTManager.GetMotionVectorsBuffer();
// Temporary buffers
tfaResources.validationBuffer = validationBuffer;
// InOut buffers
tfaResources.historyBuffer = historyBuffer;
tfaResources.validationHistoryBuffer = validationHistoryBuffer;
tfaResources.distanceHistorySignal = distanceHistorySignal;
// Output buffers
tfaResources.outputBuffer = outputBuffer;
tfaResources.outputDistanceSignal = outputDistanceSignal;
return(tfaResources);
}
public void BindBlackTextures(CommandBuffer cmd)
{
for (int i = 0; i < m_BufferCount; ++i)
{
cmd.SetGlobalTexture(m_TextureShaderIDs[i], TextureXR.GetBlackTexture());
}
}
public void Render(CommandBuffer cmd, HDCamera camera, ScriptableRenderContext renderContext, int frameCount)
{
var settings = VolumeManager.instance.stack.GetComponent <AmbientOcclusion>();
if (!IsActive(camera, settings))
{
// No AO applied - neutral is black, see the comment in the shaders
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, TextureXR.GetBlackTexture());
return;
}
else
{
#if ENABLE_RAYTRACING
HDRaytracingEnvironment rtEnvironement = m_RayTracingManager.CurrentEnvironment();
if (camera.frameSettings.IsEnabled(FrameSettingsField.RayTracing) && rtEnvironement != null && settings.rayTracing.value)
{
m_RaytracingAmbientOcclusion.RenderAO(camera, cmd, m_AmbientOcclusionTex, renderContext, frameCount);
}
else
#endif
{
Dispatch(cmd, camera, frameCount);
PostDispatchWork(cmd, camera);
}
}
}
public void PostDispatchWork(CommandBuffer cmd, HDCamera camera, SharedRTManager sharedRTManager)
{
// Grab current settings
var settings = VolumeManager.instance.stack.GetComponent <AmbientOcclusion>();
if (!IsActive(camera, settings))
{
// No AO applied - neutral is black, see the comment in the shaders
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, TextureXR.GetBlackTexture());
cmd.SetGlobalVector(HDShaderIDs._AmbientOcclusionParam, Vector4.zero);
return;
}
// MSAA Resolve
if (camera.frameSettings.IsEnabled(FrameSettingsField.MSAA))
{
using (new ProfilingSample(cmd, "Resolve AO Buffer", CustomSamplerId.ResolveSSAO.GetSampler()))
{
HDUtils.SetRenderTarget(cmd, camera, m_AmbientOcclusionTex);
m_ResolvePropertyBlock.SetTexture(HDShaderIDs._DepthValuesTexture, sharedRTManager.GetDepthValuesTexture());
m_ResolvePropertyBlock.SetTexture(HDShaderIDs._MultiAmbientOcclusionTexture, m_MultiAmbientOcclusionTex);
cmd.DrawProcedural(Matrix4x4.identity, m_ResolveMaterial, 0, MeshTopology.Triangles, 3, 1, m_ResolvePropertyBlock);
}
}
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, m_AmbientOcclusionTex);
cmd.SetGlobalVector(HDShaderIDs._AmbientOcclusionParam, new Vector4(0f, 0f, 0f, settings.directLightingStrength.value));
// TODO: All the pushdebug stuff should be centralized somewhere
(RenderPipelineManager.currentPipeline as HDRenderPipeline).PushFullScreenDebugTexture(camera, cmd, m_AmbientOcclusionTex, FullScreenDebugMode.SSAO);
}
public TemporalFilterResources PrepareTemporalFilterResources(HDCamera hdCamera, RTHandle validationBuffer, RTHandle noisyBuffer, RTHandle historyBuffer, RTHandle outputBuffer)
{
TemporalFilterResources tfResources = new TemporalFilterResources();
tfResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
tfResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
tfResources.velocityBuffer = TextureXR.GetBlackTexture();
tfResources.historyDepthTexture = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Depth);
tfResources.historyNormalTexture = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Normal);
tfResources.noisyBuffer = noisyBuffer;
if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.MotionVectors))
{
tfResources.motionVectorBuffer = m_SharedRTManager.GetMotionVectorsBuffer();
}
else
{
tfResources.motionVectorBuffer = TextureXR.GetBlackTexture();
}
// Temporary buffers
tfResources.validationBuffer = validationBuffer;
// Output buffers
tfResources.historyBuffer = historyBuffer;
tfResources.outputBuffer = outputBuffer;
return(tfResources);
}
private void BindAPVRuntimeResources(CommandBuffer cmdBuffer, HDCamera hdCamera)
{
bool needToBindNeutral = true;
// Do this only if the framesetting is on, otherwise there is some hidden cost
if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.ProbeVolume))
{
var refVolume = ProbeReferenceVolume.instance;
ProbeReferenceVolume.RuntimeResources rr = refVolume.GetRuntimeResources();
bool validResources = rr.index != null && rr.L0_L1rx != null && rr.L1_G_ry != null && rr.L1_B_rz != null;
if (validResources)
{
cmdBuffer.SetGlobalBuffer(HDShaderIDs._APVResIndex, rr.index);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL0_L1Rx, rr.L0_L1rx);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1G_L1Ry, rr.L1_G_ry);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1B_L1Rz, rr.L1_B_rz);
if (m_Asset.currentPlatformRenderPipelineSettings.probeVolumeSHBands == ProbeVolumeSHBands.SphericalHarmonicsL2)
{
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_0, rr.L2_0);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_1, rr.L2_1);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_2, rr.L2_2);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_3, rr.L2_3);
}
needToBindNeutral = false;
}
}
if (needToBindNeutral)
{
// Lazy init the empty buffer
if (m_EmptyIndexBuffer == null)
{
// Size doesn't really matter here, anything can be bound as long is a valid compute buffer.
m_EmptyIndexBuffer = new ComputeBuffer(1, sizeof(uint), ComputeBufferType.Structured);
}
cmdBuffer.SetGlobalBuffer(HDShaderIDs._APVResIndex, m_EmptyIndexBuffer);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL0_L1Rx, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1G_L1Ry, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1B_L1Rz, TextureXR.GetBlackTexture3D());
if (m_Asset.currentPlatformRenderPipelineSettings.probeVolumeSHBands == ProbeVolumeSHBands.SphericalHarmonicsL2)
{
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_0, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_1, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_2, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL2_3, TextureXR.GetBlackTexture3D());
}
}
}
internal void InitializeForRendering(RenderGraph renderGraph)
{
blackTexture = renderGraph.ImportTexture(m_BlackTexture2D);
whiteTexture = renderGraph.ImportTexture(m_WhiteTexture2D);
clearTextureXR = renderGraph.ImportTexture(TextureXR.GetClearTexture());
magentaTextureXR = renderGraph.ImportTexture(TextureXR.GetMagentaTexture());
blackTextureXR = renderGraph.ImportTexture(TextureXR.GetBlackTexture());
blackTextureArrayXR = renderGraph.ImportTexture(TextureXR.GetBlackTextureArray());
blackUIntTextureXR = renderGraph.ImportTexture(TextureXR.GetBlackUIntTexture());
blackTexture3DXR = renderGraph.ImportTexture(TextureXR.GetBlackTexture3D());
whiteTextureXR = renderGraph.ImportTexture(TextureXR.GetWhiteTexture());
}
SSSAreaRayTraceResources PrepareSSSAreaRayTraceResources(HDCamera hdCamera, RTHandle directionBuffer, RTHandle rayLengthBuffer,
RTHandle intermediateBufferRGBA0, RTHandle intermediateBufferRGBA1, RTHandle intermediateBufferRG0,
RTHandle shadowHistoryArray, RTHandle analyticHistoryArray)
{
SSSAreaRayTraceResources sssartResources = new SSSAreaRayTraceResources();
// Input Buffers
sssartResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
sssartResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
sssartResources.lightData = m_LightLoopLightData.lightData;
if (hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred)
{
sssartResources.gbuffer0 = m_GbufferManager.GetBuffer(0);
sssartResources.gbuffer1 = m_GbufferManager.GetBuffer(1);
sssartResources.gbuffer2 = m_GbufferManager.GetBuffer(2);
sssartResources.gbuffer3 = m_GbufferManager.GetBuffer(3);
}
else
{
sssartResources.gbuffer0 = TextureXR.GetBlackTexture();
sssartResources.gbuffer1 = TextureXR.GetBlackTexture();
sssartResources.gbuffer2 = TextureXR.GetBlackTexture();
sssartResources.gbuffer3 = TextureXR.GetBlackTexture();
}
sssartResources.cookieAtlasTexture = m_TextureCaches.lightCookieManager.atlasTexture;
sssartResources.shadowHistoryArray = shadowHistoryArray;
sssartResources.analyticHistoryArray = analyticHistoryArray;
// Intermediate buffers
sssartResources.directionBuffer = directionBuffer;
sssartResources.rayLengthBuffer = rayLengthBuffer;
sssartResources.intermediateBufferRGBA0 = intermediateBufferRGBA0;
sssartResources.intermediateBufferRGBA1 = intermediateBufferRGBA1;
sssartResources.intermediateBufferRG0 = intermediateBufferRG0;
// Debug textures
RayCountManager rayCountManager = GetRayCountManager();
sssartResources.rayCountTexture = rayCountManager.GetRayCountTexture();
// Output buffers
sssartResources.screenSpaceShadowTextureArray = m_ScreenSpaceShadowTextureArray;
return(sssartResources);
}
public void PushGlobalParams(HDCamera hdCamera, CommandBuffer cmd)
{
if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.Decals))
{
cmd.SetGlobalInt(HDShaderIDs._EnableDecals, enableDecals ? 1 : 0);
cmd.SetGlobalVector(HDShaderIDs._DecalAtlasResolution, new Vector2(HDUtils.hdrpSettings.decalSettings.atlasWidth, HDUtils.hdrpSettings.decalSettings.atlasHeight));
BindBufferAsTextures(cmd);
}
else
{
cmd.SetGlobalInt(HDShaderIDs._EnableDecals, 0);
// We still bind black textures to make sure that something is bound (can be a problem on some platforms)
for (int i = 0; i < m_BufferCount; ++i)
{
cmd.SetGlobalTexture(m_TextureShaderIDs[i], TextureXR.GetBlackTexture());
}
}
}
RTSAreaRayTraceResources PrepareRTSAreaRayTraceResources(HDCamera hdCamera, RTHandle directionBuffer, RTHandle rayLengthBuffer,
RTHandle intermediateBufferRGBA0, RTHandle intermediateBufferRGBA1, RTHandle intermediateBufferRG0,
RTHandle shadowHistoryArray, RTHandle analyticHistoryArray)
{
RTSAreaRayTraceResources rtsartResources = new RTSAreaRayTraceResources();
// Input Buffers
rtsartResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
rtsartResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
rtsartResources.motionVectorsBuffer = m_SharedRTManager.GetMotionVectorsBuffer();
if (hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred)
{
rtsartResources.gbuffer0 = m_GbufferManager.GetBuffer(0);
rtsartResources.gbuffer1 = m_GbufferManager.GetBuffer(1);
rtsartResources.gbuffer2 = m_GbufferManager.GetBuffer(2);
rtsartResources.gbuffer3 = m_GbufferManager.GetBuffer(3);
}
else
{
rtsartResources.gbuffer0 = TextureXR.GetBlackTexture();
rtsartResources.gbuffer1 = TextureXR.GetBlackTexture();
rtsartResources.gbuffer2 = TextureXR.GetBlackTexture();
rtsartResources.gbuffer3 = TextureXR.GetBlackTexture();
}
rtsartResources.shadowHistoryArray = shadowHistoryArray;
rtsartResources.analyticHistoryArray = analyticHistoryArray;
// Intermediate buffers
rtsartResources.directionBuffer = directionBuffer;
rtsartResources.rayLengthBuffer = rayLengthBuffer;
rtsartResources.intermediateBufferRGBA1 = intermediateBufferRGBA1;
rtsartResources.intermediateBufferRG0 = intermediateBufferRG0;
// Debug textures
RayCountManager rayCountManager = GetRayCountManager();
rtsartResources.rayCountTexture = rayCountManager.GetRayCountTexture();
// Output texture
rtsartResources.outputShadowTexture = intermediateBufferRGBA0;
return(rtsartResources);
}
public override void BindBufferAsTextures(CommandBuffer cmd)
{
for (int i = 0; i < m_BufferCount; ++i)
{
cmd.SetGlobalTexture(m_TextureShaderIDs[i], m_RTs[i]);
}
// Bind alias for gbuffer usage to simplify shader code (not need to check which gbuffer is the shadowmask or lightlayers)
if (m_ShadowMaskIndex >= 0)
{
cmd.SetGlobalTexture(HDShaderIDs._ShadowMaskTexture, m_RTs[m_ShadowMaskIndex]);
}
if (m_LightLayers >= 0)
{
cmd.SetGlobalTexture(HDShaderIDs._LightLayersTexture, m_RTs[m_LightLayers]);
}
else
{
cmd.SetGlobalTexture(HDShaderIDs._LightLayersTexture, TextureXR.GetWhiteTexture()); // This is never use but need to be bind as the read is inside a if
}
}
internal void PushProbeVolumesGlobalParamsDefault(HDCamera hdCamera, CommandBuffer cmd, int frameIndex)
{
cmd.SetGlobalInt(HDShaderIDs._EnableProbeVolumes, 0);
cmd.SetGlobalBuffer(HDShaderIDs._ProbeVolumeBounds, s_VisibleProbeVolumeBoundsBufferDefault);
cmd.SetGlobalBuffer(HDShaderIDs._ProbeVolumeDatas, s_VisibleProbeVolumeDataBufferDefault);
cmd.SetGlobalInt(HDShaderIDs._ProbeVolumeCount, 0);
cmd.SetGlobalTexture(HDShaderIDs._ProbeVolumeAtlasSH, TextureXR.GetBlackTexture3D());
cmd.SetGlobalTexture(HDShaderIDs._ProbeVolumeAtlasOctahedralDepth, Texture2D.blackTexture);
cmd.SetGlobalInt(HDShaderIDs._ProbeVolumeLeakMitigationMode, (int)LeakMitigationMode.NormalBias);
cmd.SetGlobalFloat(HDShaderIDs._ProbeVolumeNormalBiasWS, 0.0f);
cmd.SetGlobalFloat(HDShaderIDs._ProbeVolumeBilateralFilterWeightMin, 0.0f);
cmd.SetGlobalFloat(HDShaderIDs._ProbeVolumeBilateralFilterWeight, 0.0f);
{
// Need to populate ambient probe fallback even in the default case,
// As if the feature is enabled in the ShaderConfig, but disabled in the HDRenderPipelineAsset, we need to fallback to ambient probe only.
SphericalHarmonicsL2 ambientProbeFallbackSH = m_SkyManager.GetAmbientProbe(hdCamera);
SphericalHarmonicMath.PackCoefficients(s_AmbientProbeFallbackPackedCoeffs, ambientProbeFallbackSH);
cmd.SetGlobalVectorArray(HDShaderIDs._ProbeVolumeAmbientProbeFallbackPackedCoeffs, s_AmbientProbeFallbackPackedCoeffs);
}
}
private void BindAPVRuntimeResources(CommandBuffer cmdBuffer, HDCamera hdCamera)
{
bool needToBindNeutral = true;
// Do this only if the framesetting is on, otherwise there is some hidden cost
if (hdCamera.frameSettings.IsEnabled(FrameSettingsField.ProbeVolume))
{
var refVolume = ProbeReferenceVolume.instance;
ProbeReferenceVolume.RuntimeResources rr = refVolume.GetRuntimeResources();
bool validResources = rr.index != null && rr.L0 != null && rr.L1_R != null && rr.L1_G != null && rr.L1_B != null;
if (validResources)
{
cmdBuffer.SetGlobalBuffer(HDShaderIDs._APVResIndex, rr.index);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL0, rr.L0);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_R, rr.L1_R);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_G, rr.L1_G);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_B, rr.L1_B);
needToBindNeutral = false;
}
}
if (needToBindNeutral)
{
// Lazy init the empty buffer
if (m_EmptyIndexBuffer == null)
{
// Size doesn't really matter here, anything can be bound as long is a valid compute buffer.
m_EmptyIndexBuffer = new ComputeBuffer(1, sizeof(uint), ComputeBufferType.Structured);
}
cmdBuffer.SetGlobalBuffer(HDShaderIDs._APVResIndex, m_EmptyIndexBuffer);
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL0, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_R, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_G, TextureXR.GetBlackTexture3D());
cmdBuffer.SetGlobalTexture(HDShaderIDs._APVResL1_B, TextureXR.GetBlackTexture3D());
}
}
// Denoiser variant for non history array
public void DenoiseBuffer(CommandBuffer cmd, HDCamera hdCamera,
RTHandle noisySignal, RTHandle historySignal,
RTHandle outputSignal,
bool singleChannel = true, float historyValidity = 1.0f)
{
// If we do not have a depth and normal history buffers, we can skip right away
var historyDepthBuffer = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Depth);
var historyNormalBuffer = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Normal);
if (historyDepthBuffer == null || historyNormalBuffer == null)
{
HDUtils.BlitCameraTexture(cmd, noisySignal, historySignal);
HDUtils.BlitCameraTexture(cmd, noisySignal, outputSignal);
return;
}
// Fetch texture dimensions
int texWidth = hdCamera.actualWidth;
int texHeight = hdCamera.actualHeight;
// Evaluate the dispatch parameters
int areaTileSize = 8;
int numTilesX = (texWidth + (areaTileSize - 1)) / areaTileSize;
int numTilesY = (texHeight + (areaTileSize - 1)) / areaTileSize;
// Request the intermediate buffer we need
RTHandle validationBuffer = m_RenderPipeline.GetRayTracingBuffer(InternalRayTracingBuffers.R0);
// First of all we need to validate the history to know where we can or cannot use the history signal
int m_KernelFilter = m_TemporalFilterCS.FindKernel("ValidateHistory");
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DepthTexture, m_SharedRTManager.GetDepthStencilBuffer());
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._HistoryDepthTexture, historyDepthBuffer);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._NormalBufferTexture, m_SharedRTManager.GetNormalBuffer());
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._HistoryNormalBufferTexture, historyNormalBuffer);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._ValidationBufferRW, validationBuffer);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._VelocityBuffer, TextureXR.GetBlackTexture());
cmd.SetComputeFloatParam(m_TemporalFilterCS, HDShaderIDs._HistoryValidity, historyValidity);
cmd.SetComputeFloatParam(m_TemporalFilterCS, HDShaderIDs._PixelSpreadAngleTangent, HDRenderPipeline.GetPixelSpreadTangent(hdCamera.camera.fieldOfView, hdCamera.actualWidth, hdCamera.actualHeight));
cmd.DispatchCompute(m_TemporalFilterCS, m_KernelFilter, numTilesX, numTilesY, hdCamera.viewCount);
// Now that we have validated our history, let's accumulate
m_KernelFilter = m_TemporalFilterCS.FindKernel(singleChannel ? "TemporalAccumulationSingle" : "TemporalAccumulationColor");
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DenoiseInputTexture, noisySignal);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._HistoryBuffer, historySignal);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DepthTexture, m_SharedRTManager.GetDepthStencilBuffer());
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DenoiseOutputTextureRW, outputSignal);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._ValidationBuffer, validationBuffer);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._VelocityBuffer, TextureXR.GetBlackTexture());
cmd.DispatchCompute(m_TemporalFilterCS, m_KernelFilter, numTilesX, numTilesY, hdCamera.viewCount);
// Make sure to copy the new-accumulated signal in our history buffer
m_KernelFilter = m_TemporalFilterCS.FindKernel(singleChannel ? "CopyHistorySingle" : "CopyHistoryColor");
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DenoiseInputTexture, outputSignal);
cmd.SetComputeTextureParam(m_TemporalFilterCS, m_KernelFilter, HDShaderIDs._DenoiseOutputTextureRW, historySignal);
cmd.DispatchCompute(m_TemporalFilterCS, m_KernelFilter, numTilesX, numTilesY, hdCamera.viewCount);
}
public void RenderReflectionsT1(HDCamera hdCamera, CommandBuffer cmd, RTHandle outputTexture, ScriptableRenderContext renderContext, int frameCount)
{
// Fetch the required resources
BlueNoise blueNoise = GetBlueNoiseManager();
RayTracingShader reflectionShaderRT = m_Asset.renderPipelineRayTracingResources.reflectionRaytracingRT;
ComputeShader reflectionShaderCS = m_Asset.renderPipelineRayTracingResources.reflectionRaytracingCS;
ComputeShader reflectionFilter = m_Asset.renderPipelineRayTracingResources.reflectionBilateralFilterCS;
// Fetch all the settings
var settings = VolumeManager.instance.stack.GetComponent <ScreenSpaceReflection>();
LightCluster lightClusterSettings = VolumeManager.instance.stack.GetComponent <LightCluster>();
RayTracingSettings rtSettings = VolumeManager.instance.stack.GetComponent <RayTracingSettings>();
// Texture dimensions
int texWidth = hdCamera.actualWidth;
int texHeight = hdCamera.actualHeight;
// Evaluate the dispatch parameters
int areaTileSize = 8;
int numTilesXHR = 0, numTilesYHR = 0;
int currentKernel = 0;
RenderTargetIdentifier clearCoatMaskTexture;
using (new ProfilingSample(cmd, "Ray Traced Reflection", CustomSamplerId.RaytracingIntegrateReflection.GetSampler()))
{
if (settings.deferredMode.value)
{
// Fetch the new sample kernel
currentKernel = reflectionShaderCS.FindKernel(settings.fullResolution.value ? "RaytracingReflectionsFullRes" : "RaytracingReflectionsHalfRes");
// Inject the ray-tracing sampling data
blueNoise.BindDitheredRNGData8SPP(cmd);
// Bind all the required textures
cmd.SetComputeTextureParam(reflectionShaderCS, currentKernel, HDShaderIDs._DepthTexture, m_SharedRTManager.GetDepthStencilBuffer());
cmd.SetComputeTextureParam(reflectionShaderCS, currentKernel, HDShaderIDs._NormalBufferTexture, m_SharedRTManager.GetNormalBuffer());
clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
cmd.SetComputeTextureParam(reflectionShaderCS, currentKernel, HDShaderIDs._SsrClearCoatMaskTexture, clearCoatMaskTexture);
// Bind all the required scalars
cmd.SetComputeFloatParam(reflectionShaderCS, HDShaderIDs._RaytracingIntensityClamp, settings.clampValue.value);
cmd.SetComputeFloatParam(reflectionShaderCS, HDShaderIDs._RaytracingReflectionMinSmoothness, settings.minSmoothness.value);
cmd.SetComputeIntParam(reflectionShaderCS, HDShaderIDs._RaytracingIncludeSky, settings.reflectSky.value ? 1 : 0);
// Bind the sampling data
int frameIndex = hdCamera.IsTAAEnabled() ? hdCamera.taaFrameIndex : (int)m_FrameCount % 8;
cmd.SetComputeIntParam(reflectionShaderCS, HDShaderIDs._RaytracingFrameIndex, frameIndex);
// Bind the output buffers
cmd.SetComputeTextureParam(reflectionShaderCS, currentKernel, HDShaderIDs._RaytracingDirectionBuffer, m_ReflIntermediateTexture1);
if (settings.fullResolution.value)
{
// Evaluate the dispatch parameters
numTilesXHR = (texWidth + (areaTileSize - 1)) / areaTileSize;
numTilesYHR = (texHeight + (areaTileSize - 1)) / areaTileSize;
}
else
{
// Evaluate the dispatch parameters
numTilesXHR = (texWidth / 2 + (areaTileSize - 1)) / areaTileSize;
numTilesYHR = (texHeight / 2 + (areaTileSize - 1)) / areaTileSize;
}
// Compute the directions
cmd.DispatchCompute(reflectionShaderCS, currentKernel, numTilesXHR, numTilesYHR, hdCamera.viewCount);
// Prepare the components for the deferred lighting
DeferredLightingRTParameters deferredParamters = PrepareReflectionDeferredLightingRTParameters(hdCamera);
DeferredLightingRTResources deferredResources = PrepareDeferredLightingRTResources(hdCamera, m_ReflIntermediateTexture1, m_ReflIntermediateTexture0);
// Evaluate the deferred lighting
RenderRaytracingDeferredLighting(cmd, deferredParamters, deferredResources);
}
else
{
// Bind all the required data for ray tracing
BindRayTracedReflectionData(cmd, hdCamera, reflectionShaderRT, settings, lightClusterSettings, rtSettings);
// Run the computation
if (settings.fullResolution.value)
{
cmd.DispatchRays(reflectionShaderRT, m_RayGenReflectionFullResName, (uint)hdCamera.actualWidth, (uint)hdCamera.actualHeight, (uint)hdCamera.viewCount);
}
else
{
// Run the computation
cmd.DispatchRays(reflectionShaderRT, m_RayGenReflectionHalfResName, (uint)(hdCamera.actualWidth / 2), (uint)(hdCamera.actualHeight / 2), (uint)hdCamera.viewCount);
}
}
// Fetch the right filter to use
if (settings.fullResolution.value)
{
currentKernel = reflectionFilter.FindKernel("ReflectionIntegrationUpscaleFullRes");
}
else
{
currentKernel = reflectionFilter.FindKernel("ReflectionIntegrationUpscaleHalfRes");
}
// Inject all the parameters for the compute
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._SsrLightingTextureRW, m_ReflIntermediateTexture0);
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._SsrHitPointTexture, m_ReflIntermediateTexture1);
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._DepthTexture, m_SharedRTManager.GetDepthStencilBuffer());
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._NormalBufferTexture, m_SharedRTManager.GetNormalBuffer());
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._BlueNoiseTexture, blueNoise.textureArray16RGB);
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, "_RaytracingReflectionTexture", outputTexture);
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._ScramblingTexture, m_Asset.renderPipelineResources.textures.scramblingTex);
cmd.SetComputeIntParam(reflectionFilter, HDShaderIDs._SpatialFilterRadius, settings.upscaleRadius.value);
cmd.SetComputeIntParam(reflectionFilter, HDShaderIDs._RaytracingDenoiseRadius, settings.denoise.value ? settings.denoiserRadius.value : 0);
cmd.SetComputeFloatParam(reflectionFilter, HDShaderIDs._RaytracingReflectionMinSmoothness, settings.minSmoothness.value);
numTilesXHR = (texWidth + (areaTileSize - 1)) / areaTileSize;
numTilesYHR = (texHeight + (areaTileSize - 1)) / areaTileSize;
// Bind the right texture for clear coat support
clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
cmd.SetComputeTextureParam(reflectionFilter, currentKernel, HDShaderIDs._SsrClearCoatMaskTexture, clearCoatMaskTexture);
// Compute the texture
cmd.DispatchCompute(reflectionFilter, currentKernel, numTilesXHR, numTilesYHR, hdCamera.viewCount);
}
using (new ProfilingSample(cmd, "Filter Reflection", CustomSamplerId.RaytracingFilterReflection.GetSampler()))
{
if (settings.denoise.value)
{
// Grab the history buffer
RTHandle reflectionHistory = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.RaytracedReflection)
?? hdCamera.AllocHistoryFrameRT((int)HDCameraFrameHistoryType.RaytracedReflection, ReflectionHistoryBufferAllocatorFunction, 1);
HDSimpleDenoiser simpleDenoiser = GetSimpleDenoiser();
simpleDenoiser.DenoiseBuffer(cmd, hdCamera, outputTexture, reflectionHistory, m_ReflIntermediateTexture0, settings.denoiserRadius.value, singleChannel: false);
HDUtils.BlitCameraTexture(cmd, m_ReflIntermediateTexture0, outputTexture);
}
}
}
void BindRayTracedReflectionData(CommandBuffer cmd, HDCamera hdCamera, RayTracingShader reflectionShader, ScreenSpaceReflection settings, LightCluster lightClusterSettings, RayTracingSettings rtSettings)
{
// Grab the acceleration structures and the light cluster to use
RayTracingAccelerationStructure accelerationStructure = RequestAccelerationStructure();
HDRaytracingLightCluster lightCluster = RequestLightCluster();
BlueNoise blueNoise = GetBlueNoiseManager();
// Define the shader pass to use for the reflection pass
cmd.SetRayTracingShaderPass(reflectionShader, "IndirectDXR");
// Set the acceleration structure for the pass
cmd.SetRayTracingAccelerationStructure(reflectionShader, HDShaderIDs._RaytracingAccelerationStructureName, accelerationStructure);
// Global reflection parameters
cmd.SetRayTracingFloatParams(reflectionShader, HDShaderIDs._RaytracingIntensityClamp, settings.clampValue.value);
cmd.SetRayTracingFloatParams(reflectionShader, HDShaderIDs._RaytracingReflectionMinSmoothness, settings.minSmoothness.value);
cmd.SetRayTracingIntParams(reflectionShader, HDShaderIDs._RaytracingIncludeSky, settings.reflectSky.value ? 1 : 0);
// Inject the ray generation data
cmd.SetGlobalFloat(HDShaderIDs._RaytracingRayBias, rtSettings.rayBias.value);
cmd.SetGlobalFloat(HDShaderIDs._RaytracingRayMaxLength, settings.rayLength.value);
cmd.SetRayTracingIntParams(reflectionShader, HDShaderIDs._RaytracingNumSamples, settings.sampleCount.value);
int frameIndex = hdCamera.IsTAAEnabled() ? hdCamera.taaFrameIndex : (int)m_FrameCount % 8;
cmd.SetRayTracingIntParam(reflectionShader, HDShaderIDs._RaytracingFrameIndex, frameIndex);
// Inject the ray-tracing sampling data
blueNoise.BindDitheredRNGData8SPP(cmd);
// Set the data for the ray generation
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._SsrLightingTextureRW, m_ReflIntermediateTexture0);
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._SsrHitPointTexture, m_ReflIntermediateTexture1);
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._DepthTexture, m_SharedRTManager.GetDepthStencilBuffer());
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._NormalBufferTexture, m_SharedRTManager.GetNormalBuffer());
// Set ray count tex
RayCountManager rayCountManager = GetRayCountManager();
cmd.SetRayTracingIntParam(reflectionShader, HDShaderIDs._RayCountEnabled, rayCountManager.RayCountIsEnabled());
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._RayCountTexture, rayCountManager.GetRayCountTexture());
// Compute the pixel spread value
cmd.SetGlobalFloat(HDShaderIDs._RaytracingPixelSpreadAngle, GetPixelSpreadAngle(hdCamera.camera.fieldOfView, hdCamera.actualWidth, hdCamera.actualHeight));
// Bind the lightLoop data
lightCluster.BindLightClusterData(cmd);
// Note: Just in case, we rebind the directional light data (in case they were not)
cmd.SetGlobalBuffer(HDShaderIDs._DirectionalLightDatas, m_LightLoopLightData.directionalLightData);
cmd.SetGlobalInt(HDShaderIDs._DirectionalLightCount, m_lightList.directionalLights.Count);
// Evaluate the clear coat mask texture based on the lit shader mode
RenderTargetIdentifier clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._SsrClearCoatMaskTexture, clearCoatMaskTexture);
// Set the number of bounces for reflections
cmd.SetGlobalInt(HDShaderIDs._RaytracingMaxRecursion, settings.bounceCount.value);
// Set the data for the ray miss
cmd.SetRayTracingTextureParam(reflectionShader, HDShaderIDs._SkyTexture, m_SkyManager.GetSkyReflection(hdCamera));
}
public void Render(RenderGraph renderGraph,
HDCamera hdCamera,
BlueNoise blueNoise,
TextureHandle colorBuffer,
TextureHandle afterPostProcessTexture,
TextureHandle depthBuffer,
TextureHandle finalRT,
bool flipY)
{
var dynResHandler = DynamicResolutionHandler.instance;
bool isSceneView = hdCamera.camera.cameraType == CameraType.SceneView;
var source = colorBuffer;
TextureHandle alphaTexture = renderGraph.defaultResources.whiteTextureXR;
// Save the alpha and apply it back into the final pass if rendering in fp16 and post-processing in r11g11b10
if (m_KeepAlpha)
{
using (var builder = renderGraph.AddRenderPass <AlphaCopyPassData>("Alpha Copy", out var passData, ProfilingSampler.Get(HDProfileId.AlphaCopy)))
{
passData.parameters = PrepareCopyAlphaParameters(hdCamera);
passData.source = builder.ReadTexture(source);
passData.outputAlpha = builder.WriteTexture(renderGraph.CreateTexture(new TextureDesc(Vector2.one, true, true)
{
name = "Alpha Channel Copy", colorFormat = GraphicsFormat.R16_SFloat, enableRandomWrite = true
}));
builder.SetRenderFunc(
(AlphaCopyPassData data, RenderGraphContext ctx) =>
{
DoCopyAlpha(data.parameters,
ctx.resources.GetTexture(data.source),
ctx.resources.GetTexture(data.outputAlpha),
ctx.cmd);
});
alphaTexture = passData.outputAlpha;
}
}
// TODO RENDERGRAPH: Implement
// if (m_PostProcessEnabled)
// {
// // Guard bands (also known as "horrible hack") to avoid bleeding previous RTHandle
// // content into smaller viewports with some effects like Bloom that rely on bilinear
// // filtering and can't use clamp sampler and the likes
// // Note: some platforms can't clear a partial render target so we directly draw black triangles
// {
// int w = camera.actualWidth;
// int h = camera.actualHeight;
// cmd.SetRenderTarget(source, 0, CubemapFace.Unknown, -1);
// if (w < source.rt.width || h < source.rt.height)
// {
// cmd.SetViewport(new Rect(w, 0, k_RTGuardBandSize, h));
// cmd.DrawProcedural(Matrix4x4.identity, m_ClearBlackMaterial, 0, MeshTopology.Triangles, 3, 1);
// cmd.SetViewport(new Rect(0, h, w + k_RTGuardBandSize, k_RTGuardBandSize));
// cmd.DrawProcedural(Matrix4x4.identity, m_ClearBlackMaterial, 0, MeshTopology.Triangles, 3, 1);
// }
// }
// // Optional NaN killer before post-processing kicks in
// bool stopNaNs = camera.stopNaNs && m_StopNaNFS;
//#if UNITY_EDITOR
// if (isSceneView)
// stopNaNs = HDAdditionalSceneViewSettings.sceneViewStopNaNs;
//#endif
// if (stopNaNs)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.StopNaNs)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoStopNaNs(cmd, camera, source, destination);
// PoolSource(ref source, destination);
// }
// }
// }
// // Dynamic exposure - will be applied in the next frame
// // Not considered as a post-process so it's not affected by its enabled state
// if (!IsExposureFixed() && m_ExposureControlFS)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.DynamicExposure)))
// {
// if (m_Exposure.mode.value == ExposureMode.AutomaticHistogram)
// {
// DoHistogramBasedExposure(cmd, camera, source);
// }
// else
// {
// DoDynamicExposure(cmd, camera, source);
// }
// // On reset history we need to apply dynamic exposure immediately to avoid
// // white or black screen flashes when the current exposure isn't anywhere
// // near 0
// if (camera.resetPostProcessingHistory)
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// var cs = m_Resources.shaders.applyExposureCS;
// int kernel = cs.FindKernel("KMain");
// // Note: we call GetPrevious instead of GetCurrent because the textures
// // are swapped internally as the system expects the texture will be used
// // on the next frame. So the actual "current" for this frame is in
// // "previous".
// cmd.SetComputeTextureParam(cs, kernel, HDShaderIDs._ExposureTexture, GetPreviousExposureTexture(camera));
// cmd.SetComputeTextureParam(cs, kernel, HDShaderIDs._InputTexture, source);
// cmd.SetComputeTextureParam(cs, kernel, HDShaderIDs._OutputTexture, destination);
// cmd.DispatchCompute(cs, kernel, (camera.actualWidth + 7) / 8, (camera.actualHeight + 7) / 8, camera.viewCount);
// PoolSource(ref source, destination);
// }
// }
// }
if (m_PostProcessEnabled)
{
// // Temporal anti-aliasing goes first
// bool taaEnabled = false;
// if (m_AntialiasingFS)
// {
// taaEnabled = camera.antialiasing == AntialiasingMode.TemporalAntialiasing;
// if (taaEnabled)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.TemporalAntialiasing)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoTemporalAntialiasing(cmd, camera, source, destination, depthBuffer, depthMipChain);
// PoolSource(ref source, destination);
// }
// }
// else if (camera.antialiasing == AntialiasingMode.SubpixelMorphologicalAntiAliasing)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.SMAA)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoSMAA(cmd, camera, source, destination, depthBuffer);
// PoolSource(ref source, destination);
// }
// }
// }
// if (camera.frameSettings.IsEnabled(FrameSettingsField.CustomPostProcess))
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.CustomPostProcessBeforePP)))
// {
// foreach (var typeString in HDRenderPipeline.defaultAsset.beforePostProcessCustomPostProcesses)
// RenderCustomPostProcess(cmd, camera, ref source, colorBuffer, Type.GetType(typeString));
// }
// }
// // If Path tracing is enabled, then DoF is computed in the path tracer by sampling the lens aperure (when using the physical camera mode)
// bool isDoFPathTraced = (camera.frameSettings.IsEnabled(FrameSettingsField.RayTracing) &&
// camera.volumeStack.GetComponent<PathTracing>().enable.value &&
// camera.camera.cameraType != CameraType.Preview &&
// m_DepthOfField.focusMode == DepthOfFieldMode.UsePhysicalCamera);
// // Depth of Field is done right after TAA as it's easier to just re-project the CoC
// // map rather than having to deal with all the implications of doing it before TAA
// if (m_DepthOfField.IsActive() && !isSceneView && m_DepthOfFieldFS && !isDoFPathTraced)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.DepthOfField)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoDepthOfField(cmd, camera, source, destination, taaEnabled);
// PoolSource(ref source, destination);
// }
// }
// // Motion blur after depth of field for aesthetic reasons (better to see motion
// // blurred bokeh rather than out of focus motion blur)
// if (m_MotionBlur.IsActive() && m_AnimatedMaterialsEnabled && !camera.resetPostProcessingHistory && m_MotionBlurFS)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.MotionBlur)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoMotionBlur(cmd, camera, source, destination);
// PoolSource(ref source, destination);
// }
// }
// // Panini projection is done as a fullscreen pass after all depth-based effects are
// // done and before bloom kicks in
// // This is one effect that would benefit from an overscan mode or supersampling in
// // HDRP to reduce the amount of resolution lost at the center of the screen
// if (m_PaniniProjection.IsActive() && !isSceneView && m_PaniniProjectionFS)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.PaniniProjection)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoPaniniProjection(cmd, camera, source, destination);
// PoolSource(ref source, destination);
// }
// }
// Uber post-process
//// Generate the bloom texture
//bool bloomActive = m_Bloom.IsActive() && m_BloomFS;
//if (bloomActive)
//{
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.Bloom)))
// {
// DoBloom(cmd, camera, source, uberPostParams.uberPostCS, uberPostParams.uberPostKernel);
// }
//}
//else
//{
// cmd.SetComputeTextureParam(uberPostParams.uberPostCS, uberPostParams.uberPostKernel, HDShaderIDs._BloomTexture, TextureXR.GetBlackTexture());
// cmd.SetComputeTextureParam(uberPostParams.uberPostCS, uberPostParams.uberPostKernel, HDShaderIDs._BloomDirtTexture, Texture2D.blackTexture);
// cmd.SetComputeVectorParam(uberPostParams.uberPostCS, HDShaderIDs._BloomParams, Vector4.zero);
//}
TextureHandle logLutOutput;
using (var builder = renderGraph.AddRenderPass <ColorGradingPassData>("Color Grading", out var passData, ProfilingSampler.Get(HDProfileId.ColorGradingLUTBuilder)))
{
TextureHandle logLut = renderGraph.CreateTexture(new TextureDesc(m_LutSize, m_LutSize)
{
name = "Color Grading Log Lut",
dimension = TextureDimension.Tex3D,
slices = m_LutSize,
depthBufferBits = DepthBits.None,
colorFormat = m_LutFormat,
filterMode = FilterMode.Bilinear,
wrapMode = TextureWrapMode.Clamp,
anisoLevel = 0,
useMipMap = false,
enableRandomWrite = true
});
passData.parameters = PrepareColorGradingParameters();
passData.logLut = builder.WriteTexture(logLut);
logLutOutput = passData.logLut;
builder.SetRenderFunc(
(ColorGradingPassData data, RenderGraphContext ctx) =>
{
DoColorGrading(data.parameters, ctx.resources.GetTexture(data.logLut), ctx.cmd);
});
}
using (var builder = renderGraph.AddRenderPass <UberPostPassData>("Uber Post", out var passData, ProfilingSampler.Get(HDProfileId.UberPost)))
{
TextureHandle dest = renderGraph.CreateTexture(new TextureDesc(Vector2.one, true, true)
{
name = "Uber Post Destination",
colorFormat = m_ColorFormat,
useMipMap = false,
enableRandomWrite = true
});
passData.parameters = PrepareUberPostParameters(hdCamera, isSceneView);
passData.source = builder.ReadTexture(source);
passData.logLut = builder.ReadTexture(logLutOutput);
passData.destination = builder.WriteTexture(dest);
builder.SetRenderFunc(
(UberPostPassData data, RenderGraphContext ctx) =>
{
// Temp until bloom is implemented.
ctx.cmd.SetComputeTextureParam(data.parameters.uberPostCS, data.parameters.uberPostKernel, HDShaderIDs._BloomTexture, TextureXR.GetBlackTexture());
ctx.cmd.SetComputeTextureParam(data.parameters.uberPostCS, data.parameters.uberPostKernel, HDShaderIDs._BloomDirtTexture, Texture2D.blackTexture);
ctx.cmd.SetComputeVectorParam(data.parameters.uberPostCS, HDShaderIDs._BloomParams, Vector4.zero);
DoUberPostProcess(data.parameters,
ctx.resources.GetTexture(data.source),
ctx.resources.GetTexture(data.destination),
ctx.resources.GetTexture(data.logLut),
ctx.resources.GetTexture(data.source), // TODO: TMP VALUE, should be bloom texture and will be as soon as PP is ported to rendergraph.
ctx.cmd);
});
source = passData.destination;
}
m_HDInstance.PushFullScreenDebugTexture(renderGraph, source, FullScreenDebugMode.ColorLog);
// if (camera.frameSettings.IsEnabled(FrameSettingsField.CustomPostProcess))
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.CustomPostProcessAfterPP)))
// {
// foreach (var typeString in HDRenderPipeline.defaultAsset.afterPostProcessCustomPostProcesses)
// RenderCustomPostProcess(cmd, camera, ref source, colorBuffer, Type.GetType(typeString));
// }
// }
}
// if (dynResHandler.DynamicResolutionEnabled() && // Dynamic resolution is on.
// camera.antialiasing == AntialiasingMode.FastApproximateAntialiasing &&
// m_AntialiasingFS)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.FXAA)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// DoFXAA(cmd, camera, source, destination);
// PoolSource(ref source, destination);
// }
// }
// // Contrast Adaptive Sharpen Upscaling
// if (dynResHandler.DynamicResolutionEnabled() &&
// dynResHandler.filter == DynamicResUpscaleFilter.ContrastAdaptiveSharpen)
// {
// using (new ProfilingScope(cmd, ProfilingSampler.Get(HDProfileId.ContrastAdaptiveSharpen)))
// {
// var destination = m_Pool.Get(Vector2.one, m_ColorFormat);
// var cs = m_Resources.shaders.contrastAdaptiveSharpenCS;
// int kInit = cs.FindKernel("KInitialize");
// int kMain = cs.FindKernel("KMain");
// if (kInit >= 0 && kMain >= 0)
// {
// cmd.SetComputeFloatParam(cs, HDShaderIDs._Sharpness, 1);
// cmd.SetComputeTextureParam(cs, kMain, HDShaderIDs._InputTexture, source);
// cmd.SetComputeVectorParam(cs, HDShaderIDs._InputTextureDimensions, new Vector4(source.rt.width, source.rt.height));
// cmd.SetComputeTextureParam(cs, kMain, HDShaderIDs._OutputTexture, destination);
// cmd.SetComputeVectorParam(cs, HDShaderIDs._OutputTextureDimensions, new Vector4(destination.rt.width, destination.rt.height));
// ValidateComputeBuffer(ref m_ContrastAdaptiveSharpen, 2, sizeof(uint) * 4);
// cmd.SetComputeBufferParam(cs, kInit, "CasParameters", m_ContrastAdaptiveSharpen);
// cmd.SetComputeBufferParam(cs, kMain, "CasParameters", m_ContrastAdaptiveSharpen);
// cmd.DispatchCompute(cs, kInit, 1, 1, 1);
// int dispatchX = (int)System.Math.Ceiling(destination.rt.width / 16.0f);
// int dispatchY = (int)System.Math.Ceiling(destination.rt.height / 16.0f);
// cmd.DispatchCompute(cs, kMain, dispatchX, dispatchY, camera.viewCount);
// }
// PoolSource(ref source, destination);
// }
// }
using (var builder = renderGraph.AddRenderPass <FinalPassData>("Final Pass", out var passData, ProfilingSampler.Get(HDProfileId.FinalPost)))
{
passData.parameters = PrepareFinalPass(hdCamera, blueNoise, flipY);
passData.source = builder.ReadTexture(source);
passData.afterPostProcessTexture = builder.ReadTexture(afterPostProcessTexture);
passData.alphaTexture = builder.ReadTexture(alphaTexture);
passData.destination = builder.WriteTexture(finalRT);
builder.SetRenderFunc(
(FinalPassData data, RenderGraphContext ctx) =>
{
DoFinalPass(data.parameters,
ctx.resources.GetTexture(data.source),
ctx.resources.GetTexture(data.afterPostProcessTexture),
ctx.resources.GetTexture(data.destination),
ctx.resources.GetTexture(data.alphaTexture),
ctx.cmd);
});
}
}
// If there is no SSGI, bind a black 1x1 texture
static void BindBlackIndirectDiffuseTexture(CommandBuffer cmd)
{
cmd.SetGlobalTexture(HDShaderIDs._IndirectDiffuseTexture, TextureXR.GetBlackTexture());
}
static public void SetDefaultAmbientOcclusionTexture(CommandBuffer cmd)
{
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, TextureXR.GetBlackTexture());
}
RTRQualityRenderingResources PrepareRTRQualityRenderingResources(HDCamera hdCamera, RTHandle outputTexture)
{
RTRQualityRenderingResources rtrQualityRenderingResources = new RTRQualityRenderingResources();
// Input texture
rtrQualityRenderingResources.depthBuffer = m_SharedRTManager.GetDepthStencilBuffer();
rtrQualityRenderingResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
rtrQualityRenderingResources.clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
rtrQualityRenderingResources.stencilBuffer = m_SharedRTManager.GetStencilBuffer();
// Debug texture
RayCountManager rayCountManager = GetRayCountManager();
rtrQualityRenderingResources.rayCountTexture = rayCountManager.GetRayCountTexture();
// Output texture
rtrQualityRenderingResources.outputTexture = outputTexture;
return(rtrQualityRenderingResources);
}
SSGITraceResources PrepareSSGITraceResources(HDCamera hdCamera, RTHandle outputBuffer0, RTHandle outputBuffer1, RTHandle hitPointBuffer)
{
SSGITraceResources ssgiTraceResources = new SSGITraceResources();
// Input buffers
ssgiTraceResources.depthTexture = m_SharedRTManager.GetDepthTexture();
ssgiTraceResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
ssgiTraceResources.motionVectorsBuffer = m_SharedRTManager.GetMotionVectorsBuffer();
var previousColorPyramid = hdCamera.GetPreviousFrameRT((int)HDCameraFrameHistoryType.ColorBufferMipChain);
ssgiTraceResources.colorPyramid = previousColorPyramid != null ? previousColorPyramid : TextureXR.GetBlackTexture();
var historyDepthBuffer = hdCamera.GetCurrentFrameRT((int)HDCameraFrameHistoryType.Depth);
ssgiTraceResources.historyDepth = historyDepthBuffer != null ? historyDepthBuffer : TextureXR.GetBlackTexture();
// Output buffers
ssgiTraceResources.hitPointBuffer = hitPointBuffer;
// Output buffers
ssgiTraceResources.outputBuffer0 = outputBuffer0;
ssgiTraceResources.outputBuffer1 = outputBuffer1;
return(ssgiTraceResources);
}
RTReflectionDirGenResources PrepareRTReflectionDirGenResources(HDCamera hdCamera, RTHandle outputBuffer)
{
RTReflectionDirGenResources rtrDirGenResources = new RTReflectionDirGenResources();
// Input buffers
rtrDirGenResources.depthBuffer = m_SharedRTManager.GetDepthStencilBuffer();
rtrDirGenResources.stencilBuffer = m_SharedRTManager.GetStencilBuffer();
rtrDirGenResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
rtrDirGenResources.clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
// Output buffers
rtrDirGenResources.outputBuffer = outputBuffer;
return(rtrDirGenResources);
}
public void SetDefaultAmbientOcclusionTexture(CommandBuffer cmd)
{
cmd.SetGlobalTexture(HDShaderIDs._AmbientOcclusionTexture, TextureXR.GetBlackTexture());
cmd.SetGlobalVector(HDShaderIDs._AmbientOcclusionParam, Vector4.zero);
}
RTReflectionUpscaleResources PrepareRTReflectionUpscaleResources(HDCamera hdCamera, RTHandle lightingTexture, RTHandle hitPointTexture, RTHandle outputTexture)
{
RTReflectionUpscaleResources rtrUpscaleResources = new RTReflectionUpscaleResources();
rtrUpscaleResources.depthStencilBuffer = m_SharedRTManager.GetDepthStencilBuffer();
rtrUpscaleResources.normalBuffer = m_SharedRTManager.GetNormalBuffer();
rtrUpscaleResources.lightingTexture = lightingTexture;
rtrUpscaleResources.hitPointTexture = hitPointTexture;
rtrUpscaleResources.outputTexture = outputTexture;
rtrUpscaleResources.clearCoatMaskTexture = hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred ? m_GbufferManager.GetBuffersRTI()[2] : TextureXR.GetBlackTexture();
return(rtrUpscaleResources);
}