public void InitSharedBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings, RenderPipelineResources resources)
{
// Set the flags
m_MSAASupported = settings.supportMSAA;
m_ReuseGBufferMemory = !settings.supportOnlyForward;
// Create the depth/stencil buffer
m_CameraDepthStencilBuffer = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.Depth32, colorFormat: RenderTextureFormat.Depth, filterMode: FilterMode.Point, name: "CameraDepthStencil");
// Create the mip chain buffer
m_CameraDepthBufferMipChainInfo = new HDUtils.PackedMipChainInfo();
m_CameraDepthBufferMipChainInfo.Allocate();
m_CameraDepthBufferMipChain = RTHandles.Alloc(ComputeDepthBufferMipChainSize, colorFormat: RenderTextureFormat.RFloat, filterMode: FilterMode.Point, sRGB: false, enableRandomWrite: true, name: "CameraDepthBufferMipChain");
// Technically we won't need this buffer in some cases, but nothing that we can determine at init time.
m_CameraStencilBufferCopy = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.None, colorFormat: RenderTextureFormat.R8, sRGB: false, filterMode: FilterMode.Point, name: "CameraStencilCopy"); // DXGI_FORMAT_R8_UINT is not supported by Unity
// Allocate the additional textures only if MSAA is supported
if (m_MSAASupported)
{
// Let's create the MSAA textures
m_CameraDepthStencilMSAABuffer = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.Depth24, colorFormat: RenderTextureFormat.Depth, filterMode: FilterMode.Point, bindTextureMS: true, enableMSAA: true, name: "CameraDepthStencilMSAA");
m_CameraDepthValuesBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGBFloat, sRGB: false, name: "DepthValuesBuffer");
// Create the required resolve materials
m_DepthResolveMaterial = CoreUtils.CreateEngineMaterial(resources.depthValues);
m_ColorResolveMaterial = CoreUtils.CreateEngineMaterial(resources.colorResolve);
}
// If we are in the forward only mode
if (!m_ReuseGBufferMemory)
{
// In case of full forward we must allocate the render target for normal buffer (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_NormalRT = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, sRGB: false, enableRandomWrite: true, name: "NormalBuffer");
// Is MSAA supported?
if (m_MSAASupported)
{
// Allocate the two render textures we need in the MSAA case
m_NormalMSAART = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, sRGB: false, enableMSAA: true, bindTextureMS: true, name: "NormalBufferMSAA");
m_DepthAsColorMSAART = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.RFloat, sRGB: false, bindTextureMS: true, enableMSAA: true, name: "DepthAsColorMSAA");
}
}
else
{
// When not forward only we should are using the normal buffer of the gbuffer
// In case of deferred, we must be in sync with NormalBuffer.hlsl and lit.hlsl files and setup the correct buffers
m_NormalRT = gbufferManager.GetNormalBuffer(0); // Normal + Roughness
}
}
public AmbientOcclusionSystem(HDRenderPipelineAsset hdAsset)
{
m_Settings = hdAsset.currentPlatformRenderPipelineSettings;
m_Resources = hdAsset.renderPipelineResources;
#if ENABLE_RAYTRACING
m_RTResources = hdAsset.renderPipelineRayTracingResources;
#endif
if (!hdAsset.currentPlatformRenderPipelineSettings.supportSSAO)
{
return;
}
AllocRT(0.5f);
}
public void InitNormalBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings)
{
if (settings.supportOnlyForward)
{
// In case of full forward we must allocate the render target for normal buffer (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_ColorMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: RenderTextureFormat.ARGB32, sRGB: false, name: "NormalBuffer");
m_ExternalBuffer[0] = false;
}
else
{
// In case of deferred, we must be in sync with NormalBuffer.hlsl and lit.hlsl files and setup the correct buffers
m_ColorMRTs[0] = gbufferManager.GetBuffer(1); // Normal + Roughness is GBuffer(1)
m_ExternalBuffer[0] = true;
}
}
public void InitSSSBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings)
{
// Reset the msaa flag
m_MSAASupport = settings.supportMSAA;
if (settings.supportedLitShaderMode == RenderPipelineSettings.SupportedLitShaderMode.ForwardOnly) //forward only
{
// In case of full forward we must allocate the render target for forward SSS (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_ColorMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_SRGB), xrInstancing: true, useDynamicScale: true, name: "SSSBuffer");
m_ReuseGBufferMemory [0] = false;
}
// We need to allocate the texture if we are in forward or both in case one of the cameras is in enable forward only mode
if (m_MSAASupport)
{
m_ColorMSAAMRTs[0] = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_SRGB), enableMSAA: true, bindTextureMS: true, xrInstancing: true, useDynamicScale: true, name: "SSSBufferMSAA");
}
if ((settings.supportedLitShaderMode & RenderPipelineSettings.SupportedLitShaderMode.DeferredOnly) != 0) //deferred or both
{
// In case of deferred, we must be in sync with SubsurfaceScattering.hlsl and lit.hlsl files and setup the correct buffers
m_ColorMRTs[0] = gbufferManager.GetSubsurfaceScatteringBuffer(0); // Note: This buffer must be sRGB (which is the case with Lit.shader)
m_ReuseGBufferMemory [0] = true;
}
if (NeedTemporarySubsurfaceBuffer() || settings.supportMSAA)
{
// Caution: must be same format as m_CameraSssDiffuseLightingBuffer
m_CameraFilteringBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.B10G11R11_UFloatPack32), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "SSSCameraFiltering"); // Enable UAV
}
// We use 8x8 tiles in order to match the native GCN HTile as closely as possible.
m_HTile = RTHandles.Alloc(size => new Vector2Int((size.x + 7) / 8, (size.y + 7) / 8), filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8_UNorm), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "SSSHtile"); // Enable UAV
// fill the list with the max number of diffusion profile so we dont have
// the error: exceeds previous array size (5 vs 3). Cap to previous size.
thicknessRemaps = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
shapeParams = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
transmissionTintsAndFresnel0 = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
disabledTransmissionTintsAndFresnel0 = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
worldScales = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
filterKernels = new Vector4[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT * DiffusionProfileConstants.SSS_N_SAMPLES_NEAR_FIELD];
diffusionProfileHashes = new float[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
diffusionProfileUpdate = new int[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
setDiffusionProfiles = new DiffusionProfileSettings[DiffusionProfileConstants.DIFFUSION_PROFILE_COUNT];
}
public void Init(RenderPipelineResources rpResources, HDRenderPipelineRayTracingResources rpRTResources, RenderPipelineSettings pipelineSettings, HDRaytracingManager raytracingManager, SharedRTManager sharedRTManager)
{
// Keep track of the pipeline asset
m_PipelineSettings = pipelineSettings;
m_PipelineResources = rpResources;
m_PipelineRayTracingResources = rpRTResources;
// keep track of the ray tracing manager
m_RaytracingManager = raytracingManager;
// Keep track of the shared rt manager
m_SharedRTManager = sharedRTManager;
// Intermediate buffer that holds the pre-denoised texture
m_IntermediateBuffer = RTHandles.Alloc(Vector2.one, TextureXR.slices, colorFormat: GraphicsFormat.R16G16B16A16_SFloat, dimension: TextureXR.dimension, enableRandomWrite: true, useDynamicScale: true, useMipMap: false, autoGenerateMips: false, name: "IntermediateAOBuffer");
// Buffer that holds the uncompressed normal buffer
m_ViewSpaceNormalBuffer = RTHandles.Alloc(Vector2.one, TextureXR.slices, colorFormat: GraphicsFormat.R16G16B16A16_SFloat, dimension: TextureXR.dimension, enableRandomWrite: true, useDynamicScale: true, useMipMap: false, autoGenerateMips: false, name: "ViewSpaceNormalBuffer");
}
public void Init(RenderPipelineResources pipelineResources, RenderPipelineSettings pipelineSettings, HDRaytracingManager raytracingManager, SharedRTManager sharedRTManager)
{
// Keep track of the pipeline asset
m_PipelineSettings = pipelineSettings;
m_PipelineResources = pipelineResources;
// keep track of the ray tracing manager
m_RaytracingManager = raytracingManager;
// Keep track of the shared rt manager
m_SharedRTManager = sharedRTManager;
// Intermediate buffer that holds the pre-denoised texture
m_IntermediateBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R16G16B16A16_SFloat), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, useMipMap: false, autoGenerateMips: false, name: "IntermediateAOBuffer");
// Buffer that holds the average distance of the rays
m_HitDistanceBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R32_SFloat), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, useMipMap: false, autoGenerateMips: false, name: "HitDistanceBuffer");
// Buffer that holds the uncompressed normal buffer
m_ViewSpaceNormalBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R16G16B16A16_SFloat), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, useMipMap: false, autoGenerateMips: false, name: "ViewSpaceNormalBuffer");
}
// aggregateFrameSettings already contain the aggregation of RenderPipelineSettings and FrameSettings (regular and/or debug)
static public LightLoopSettings InitializeLightLoopSettings(Camera camera, FrameSettings aggregateFrameSettings,
RenderPipelineSettings renderPipelineSettings, FrameSettings frameSettings)
{
LightLoopSettings aggregate = new LightLoopSettings();
aggregate.enableTileAndCluster = frameSettings.lightLoopSettings.enableTileAndCluster;
aggregate.enableComputeLightEvaluation = frameSettings.lightLoopSettings.enableComputeLightEvaluation;
aggregate.enableComputeLightVariants = frameSettings.lightLoopSettings.enableComputeLightVariants;
aggregate.enableComputeMaterialVariants = frameSettings.lightLoopSettings.enableComputeMaterialVariants;
aggregate.enableFptlForForwardOpaque = frameSettings.lightLoopSettings.enableFptlForForwardOpaque;
aggregate.enableBigTilePrepass = frameSettings.lightLoopSettings.enableBigTilePrepass;
// Deferred opaque are always using Fptl. Forward opaque can use Fptl or Cluster, transparent use cluster.
// When MSAA is enabled we disable Fptl as it become expensive compare to cluster
// In HD, MSAA is only supported for forward only rendering, no MSAA in deferred mode (for code complexity reasons)
aggregate.enableFptlForForwardOpaque = aggregate.enableFptlForForwardOpaque && aggregateFrameSettings.enableMSAA;
// If Deferred, enable Fptl. If we are forward renderer only and not using Fptl for forward opaque, disable Fptl
aggregate.isFptlEnabled = !aggregateFrameSettings.enableForwardRenderingOnly || aggregate.enableFptlForForwardOpaque;
return(aggregate);
}
public void Init(RenderPipelineSettings settings, RenderPipelineResources rpResources, HDRenderPipelineRayTracingResources rayTracingResources, BlueNoise blueNoise, HDRenderPipeline renderPipeline, SharedRTManager sharedRTManager, DebugDisplaySettings currentDebugDisplaySettings)
{
// Keep track of the resources
m_Resources = rpResources;
m_RTResources = rayTracingResources;
// Keep track of the settings
m_Settings = settings;
// Keep track of the render pipeline
m_RenderPipeline = renderPipeline;
// Keep track of the shared RT manager
m_SharedRTManager = sharedRTManager;
// Keep track of the blue noise manager
m_BlueNoise = blueNoise;
// Create the list of environments
m_Environments = new List <HDRaytracingEnvironment>();
// Grab all the ray-tracing graphs that have been created before (in case the order of initialization has not been respected, which happens when we open unity the first time)
HDRaytracingEnvironment[] environmentArray = Object.FindObjectsOfType <HDRaytracingEnvironment>();
for (int envIdx = 0; envIdx < environmentArray.Length; ++envIdx)
{
RegisterEnvironment(environmentArray[envIdx]);
}
// Init the simple denoiser
m_SimpleDenoiser.Init(rayTracingResources, m_SharedRTManager);
// Init the ray count manager
m_RayCountManager.Init(rayTracingResources, currentDebugDisplaySettings);
#if UNITY_EDITOR
// We need to invalidate the acceleration structures in case the hierarchy changed
EditorApplication.hierarchyChanged += OnHierarchyChanged;
#endif
}
// Init a FrameSettings from renderpipeline settings, frame settings and debug settings (if any)
// This will aggregate the various option
public static void InitializeFrameSettings(Camera camera, RenderPipelineSettings renderPipelineSettings, FrameSettings srcFrameSettings, ref FrameSettings aggregate)
{
if (aggregate == null)
{
aggregate = new FrameSettings();
}
// When rendering reflection probe we disable specular as it is view dependent
if (camera.cameraType == CameraType.Reflection)
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 0.0f;
}
else
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 1.0f;
}
aggregate.enableShadow = srcFrameSettings.enableShadow;
aggregate.enableContactShadows = srcFrameSettings.enableContactShadows;
aggregate.enableShadowMask = srcFrameSettings.enableShadowMask && renderPipelineSettings.supportShadowMask;
aggregate.enableSSR = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSSR && renderPipelineSettings.supportSSR;
aggregate.enableSSAO = srcFrameSettings.enableSSAO && renderPipelineSettings.supportSSAO;
aggregate.enableSubsurfaceScattering = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSubsurfaceScattering && renderPipelineSettings.supportSubsurfaceScattering;
aggregate.enableTransmission = srcFrameSettings.enableTransmission;
aggregate.enableAtmosphericScattering = srcFrameSettings.enableAtmosphericScattering;
// We must take care of the scene view fog flags in the editor
if (!CoreUtils.IsSceneViewFogEnabled(camera))
{
aggregate.enableAtmosphericScattering = false;
}
// Volumetric are disabled if there is no atmospheric scattering
aggregate.enableVolumetrics = srcFrameSettings.enableVolumetrics && renderPipelineSettings.supportVolumetrics && aggregate.enableAtmosphericScattering;
// TODO: Add support of volumetric in planar reflection
if (camera.cameraType == CameraType.Reflection)
{
aggregate.enableVolumetrics = false;
}
aggregate.enableLightLayers = srcFrameSettings.enableLightLayers && renderPipelineSettings.supportLightLayers;
// We have to fall back to forward-only rendering when scene view is using wireframe rendering mode
// as rendering everything in wireframe + deferred do not play well together
aggregate.enableForwardRenderingOnly = srcFrameSettings.enableForwardRenderingOnly || GL.wireframe || renderPipelineSettings.supportOnlyForward;
aggregate.enableDepthPrepassWithDeferredRendering = srcFrameSettings.enableDepthPrepassWithDeferredRendering;
aggregate.enableTransparentPrepass = srcFrameSettings.enableTransparentPrepass;
aggregate.enableMotionVectors = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableMotionVectors && renderPipelineSettings.supportMotionVectors;
aggregate.enableObjectMotionVectors = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableObjectMotionVectors && renderPipelineSettings.supportMotionVectors;
aggregate.enableDecals = srcFrameSettings.enableDecals && renderPipelineSettings.supportDecals;
aggregate.enableRoughRefraction = srcFrameSettings.enableRoughRefraction;
aggregate.enableTransparentPostpass = srcFrameSettings.enableTransparentPostpass;
aggregate.enableDistortion = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableDistortion;
// Planar and real time cubemap doesn't need post process and render in FP16
aggregate.enablePostprocess = camera.cameraType != CameraType.Reflection && srcFrameSettings.enablePostprocess;
#if UNITY_SWITCH
aggregate.enableStereo = false;
#else
aggregate.enableStereo = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableStereo && XRSettings.isDeviceActive && (camera.stereoTargetEye == StereoTargetEyeMask.Both) && renderPipelineSettings.supportStereo;
#endif
aggregate.enableAsyncCompute = srcFrameSettings.enableAsyncCompute && SystemInfo.supportsAsyncCompute;
aggregate.enableOpaqueObjects = srcFrameSettings.enableOpaqueObjects;
aggregate.enableTransparentObjects = srcFrameSettings.enableTransparentObjects;
aggregate.enableMSAA = srcFrameSettings.enableMSAA && renderPipelineSettings.supportMSAA;
aggregate.ConfigureMSAADependentSettings();
aggregate.ConfigureStereoDependentSettings();
// Disable various option for the preview except if we are a Camera Editor preview
if (HDUtils.IsRegularPreviewCamera(camera))
{
aggregate.enableShadow = false;
aggregate.enableContactShadows = false;
aggregate.enableShadowMask = false;
aggregate.enableSSR = false;
aggregate.enableSSAO = false;
aggregate.enableAtmosphericScattering = false;
aggregate.enableVolumetrics = false;
aggregate.enableLightLayers = false;
aggregate.enableTransparentPrepass = false;
aggregate.enableMotionVectors = false;
aggregate.enableObjectMotionVectors = false;
aggregate.enableDecals = false;
aggregate.enableTransparentPostpass = false;
aggregate.enableDistortion = false;
aggregate.enablePostprocess = false;
aggregate.enableStereo = false;
}
LightLoopSettings.InitializeLightLoopSettings(camera, aggregate, renderPipelineSettings, srcFrameSettings, ref aggregate.lightLoopSettings);
}
public void InitSharedBuffers(GBufferManager gbufferManager, RenderPipelineSettings settings, RenderPipelineResources resources)
{
// Set the flags
m_MSAASupported = settings.supportMSAA;
m_MSAASamples = m_MSAASupported ? settings.msaaSampleCount : MSAASamples.None;
m_MotionVectorsSupport = settings.supportMotionVectors;
m_ReuseGBufferMemory = settings.supportedLitShaderMode != RenderPipelineSettings.SupportedLitShaderMode.ForwardOnly;
// Create the depth/stencil buffer
m_CameraDepthStencilBuffer = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.Depth32, filterMode: FilterMode.Point, xrInstancing: true, useDynamicScale: true, name: "CameraDepthStencil");
// Create the mip chain buffer
m_CameraDepthBufferMipChainInfo = new HDUtils.PackedMipChainInfo();
m_CameraDepthBufferMipChainInfo.Allocate();
m_CameraDepthBufferMipChain = RTHandles.Alloc(ComputeDepthBufferMipChainSize, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R32_SFloat), filterMode: FilterMode.Point, enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "CameraDepthBufferMipChain");
if (settings.lowresTransparentSettings.enabled)
{
// Create the half res depth buffer used for low resolution transparency
m_CameraHalfResDepthBuffer = RTHandles.Alloc(Vector2.one * 0.5f, depthBufferBits: DepthBits.Depth32, filterMode: FilterMode.Point, xrInstancing: true, useDynamicScale: true, name: "LowResDepthBuffer");
}
// Technically we won't need this buffer in some cases, but nothing that we can determine at init time.
m_CameraStencilBufferCopy = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.None, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8_UNorm), filterMode: FilterMode.Point, enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "CameraStencilCopy"); // DXGI_FORMAT_R8_UINT is not supported by Unity
if (m_MotionVectorsSupport)
{
m_MotionVectorsRT = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: Builtin.GetMotionVectorFormat(), xrInstancing: true, useDynamicScale: true, name: "MotionVectors");
if (m_MSAASupported)
{
m_MotionVectorsMSAART = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: Builtin.GetMotionVectorFormat(), enableMSAA: true, bindTextureMS: true, xrInstancing: true, useDynamicScale: true, name: "MotionVectorsMSAA");
}
}
// Allocate the additional textures only if MSAA is supported
if (m_MSAASupported)
{
// Let's create the MSAA textures
m_CameraDepthStencilMSAABuffer = RTHandles.Alloc(Vector2.one, depthBufferBits: DepthBits.Depth24, filterMode: FilterMode.Point, bindTextureMS: true, enableMSAA: true, xrInstancing: true, useDynamicScale: true, name: "CameraDepthStencilMSAA");
m_CameraDepthValuesBuffer = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R32G32B32A32_SFloat), xrInstancing: true, useDynamicScale: true, name: "DepthValuesBuffer");
m_DepthAsColorMSAART = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R32_SFloat), bindTextureMS: true, enableMSAA: true, xrInstancing: true, useDynamicScale: true, name: "DepthAsColorMSAA");
// We need to allocate this texture as long as msaa is supported because on both mode, one of the cameras can be forward only using the framesettings
m_NormalMSAART = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_UNorm), enableMSAA: true, bindTextureMS: true, xrInstancing: true, useDynamicScale: true, name: "NormalBufferMSAA");
// Create the required resolve materials
m_DepthResolveMaterial = CoreUtils.CreateEngineMaterial(resources.shaders.depthValuesPS);
m_ColorResolveMaterial = CoreUtils.CreateEngineMaterial(resources.shaders.colorResolvePS);
}
// If we are in the forward only mode
if (!m_ReuseGBufferMemory)
{
// In case of full forward we must allocate the render target for normal buffer (or reuse one already existing)
// TODO: Provide a way to reuse a render target
m_NormalRT = RTHandles.Alloc(Vector2.one, filterMode: FilterMode.Point, colorFormat: UnityEngine.Experimental.Rendering.HDPipeline.HDRenderPipeline.OverrideRTGraphicsFormat(GraphicsFormat.R8G8B8A8_UNorm), enableRandomWrite: true, xrInstancing: true, useDynamicScale: true, name: "NormalBuffer");
}
else
{
// When not forward only we should are using the normal buffer of the gbuffer
// In case of deferred, we must be in sync with NormalBuffer.hlsl and lit.hlsl files and setup the correct buffers
m_NormalRT = gbufferManager.GetNormalBuffer(0); // Normal + Roughness
}
}
// Init a FrameSettings from renderpipeline settings, frame settings and debug settings (if any)
// This will aggregate the various option
public static void InitializeFrameSettings(Camera camera, RenderPipelineSettings renderPipelineSettings, FrameSettings srcFrameSettings, ref FrameSettings aggregate)
{
if (aggregate == null)
{
aggregate = new FrameSettings();
}
// When rendering reflection probe we disable specular as it is view dependent
if (camera.cameraType == CameraType.Reflection)
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 0.0f;
}
else
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 1.0f;
}
aggregate.enableShadow = srcFrameSettings.enableShadow;
aggregate.enableContactShadows = srcFrameSettings.enableContactShadows;
aggregate.enableSSR = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSSR && renderPipelineSettings.supportSSR;
aggregate.enableSSAO = srcFrameSettings.enableSSAO && renderPipelineSettings.supportSSAO;
aggregate.enableSubsurfaceScattering = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSubsurfaceScattering && renderPipelineSettings.supportSubsurfaceScattering;
aggregate.enableTransmission = srcFrameSettings.enableTransmission;
// We have to fall back to forward-only rendering when scene view is using wireframe rendering mode
// as rendering everything in wireframe + deferred do not play well together
aggregate.enableForwardRenderingOnly = srcFrameSettings.enableForwardRenderingOnly || GL.wireframe || renderPipelineSettings.supportForwardOnly;
aggregate.enableDepthPrepassWithDeferredRendering = srcFrameSettings.enableDepthPrepassWithDeferredRendering;
aggregate.enableAlphaTestOnlyInDeferredPrepass = srcFrameSettings.enableAlphaTestOnlyInDeferredPrepass;
aggregate.enableTransparentPrepass = srcFrameSettings.enableTransparentPrepass;
aggregate.enableMotionVectors = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableMotionVectors && renderPipelineSettings.supportMotionVectors;
aggregate.enableObjectMotionVectors = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableObjectMotionVectors && renderPipelineSettings.supportMotionVectors;
aggregate.enableDBuffer = srcFrameSettings.enableDBuffer && renderPipelineSettings.supportDBuffer;
aggregate.enableAtmosphericScattering = srcFrameSettings.enableAtmosphericScattering;
aggregate.enableRoughRefraction = srcFrameSettings.enableRoughRefraction;
aggregate.enableTransparentPostpass = srcFrameSettings.enableTransparentPostpass;
aggregate.enableDistortion = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableDistortion;
// Planar and real time cubemap doesn't need post process and render in FP16
aggregate.enablePostprocess = camera.cameraType != CameraType.Reflection && srcFrameSettings.enablePostprocess;
aggregate.enableStereo = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableStereo && XRSettings.isDeviceActive && (camera.stereoTargetEye == StereoTargetEyeMask.Both) && renderPipelineSettings.supportStereo;
aggregate.enableAsyncCompute = srcFrameSettings.enableAsyncCompute && SystemInfo.supportsAsyncCompute;
aggregate.enableOpaqueObjects = srcFrameSettings.enableOpaqueObjects;
aggregate.enableTransparentObjects = srcFrameSettings.enableTransparentObjects;
aggregate.enableMSAA = srcFrameSettings.enableMSAA && renderPipelineSettings.supportMSAA;
aggregate.enableShadowMask = srcFrameSettings.enableShadowMask && renderPipelineSettings.supportShadowMask;
aggregate.ConfigureMSAADependentSettings();
aggregate.ConfigureStereoDependentSettings();
if (camera.cameraType == CameraType.Preview)
{
// remove undesired feature in preview
aggregate.enableShadow = false;
aggregate.enableContactShadows = false;
aggregate.enableSSR = false;
aggregate.enableSSAO = false;
aggregate.enableTransparentPrepass = false;
aggregate.enableMotionVectors = false;
aggregate.enableObjectMotionVectors = false;
aggregate.enableDBuffer = false;
aggregate.enableAtmosphericScattering = false;
aggregate.enableTransparentPostpass = false;
aggregate.enableDistortion = false;
aggregate.enablePostprocess = false;
aggregate.enableStereo = false;
aggregate.enableShadowMask = false;
}
LightLoopSettings.InitializeLightLoopSettings(camera, aggregate, renderPipelineSettings, srcFrameSettings, ref aggregate.lightLoopSettings);
}
// Init a FrameSettings from renderpipeline settings, frame settings and debug settings (if any)
// This will aggregate the various option
public static void InitializeFrameSettings(Camera camera, RenderPipelineSettings renderPipelineSettings, FrameSettings srcFrameSettings, ref FrameSettings aggregate)
{
if (aggregate == null)
{
aggregate = new FrameSettings();
}
// When rendering reflection probe we disable specular as it is view dependent
if (camera.cameraType == CameraType.Reflection)
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 0.0f;
}
else
{
aggregate.diffuseGlobalDimmer = 1.0f;
aggregate.specularGlobalDimmer = 1.0f;
}
aggregate.enableShadow = srcFrameSettings.enableShadow;
aggregate.enableContactShadows = srcFrameSettings.enableContactShadows;
aggregate.enableShadowMask = srcFrameSettings.enableShadowMask && renderPipelineSettings.supportShadowMask;
aggregate.enableSSR = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSSR && renderPipelineSettings.supportSSR; // No recursive reflections
aggregate.enableSSAO = srcFrameSettings.enableSSAO && renderPipelineSettings.supportSSAO;
aggregate.enableSubsurfaceScattering = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableSubsurfaceScattering && renderPipelineSettings.supportSubsurfaceScattering;
aggregate.enableTransmission = srcFrameSettings.enableTransmission;
aggregate.enableAtmosphericScattering = srcFrameSettings.enableAtmosphericScattering;
// We must take care of the scene view fog flags in the editor
if (!CoreUtils.IsSceneViewFogEnabled(camera))
{
aggregate.enableAtmosphericScattering = false;
}
// Volumetric are disabled if there is no atmospheric scattering
aggregate.enableVolumetrics = srcFrameSettings.enableVolumetrics && renderPipelineSettings.supportVolumetrics && aggregate.enableAtmosphericScattering;
aggregate.enableReprojectionForVolumetrics = srcFrameSettings.enableReprojectionForVolumetrics;
// TODO: Add support of volumetric in planar reflection
if (camera.cameraType == CameraType.Reflection)
{
aggregate.enableVolumetrics = false;
}
aggregate.enableLightLayers = srcFrameSettings.enableLightLayers && renderPipelineSettings.supportLightLayers;
// We have to fall back to forward-only rendering when scene view is using wireframe rendering mode
// as rendering everything in wireframe + deferred do not play well together
if (GL.wireframe) //force forward mode for wireframe
{
aggregate.shaderLitMode = LitShaderMode.Forward;
}
else
{
switch (renderPipelineSettings.supportedLitShaderMode)
{
case RenderPipelineSettings.SupportedLitShaderMode.ForwardOnly:
aggregate.shaderLitMode = LitShaderMode.Forward;
break;
case RenderPipelineSettings.SupportedLitShaderMode.DeferredOnly:
aggregate.shaderLitMode = LitShaderMode.Deferred;
break;
case RenderPipelineSettings.SupportedLitShaderMode.Both:
aggregate.shaderLitMode = srcFrameSettings.shaderLitMode;
break;
}
}
aggregate.enableDepthPrepassWithDeferredRendering = srcFrameSettings.enableDepthPrepassWithDeferredRendering;
aggregate.enableTransparentPrepass = srcFrameSettings.enableTransparentPrepass;
aggregate.enableMotionVectors = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableMotionVectors && renderPipelineSettings.supportMotionVectors;
// Object motion vector are disabled if motion vector are disabled
aggregate.enableObjectMotionVectors = srcFrameSettings.enableObjectMotionVectors && aggregate.enableMotionVectors;
aggregate.enableDecals = srcFrameSettings.enableDecals && renderPipelineSettings.supportDecals;
aggregate.enableRoughRefraction = srcFrameSettings.enableRoughRefraction;
aggregate.enableTransparentPostpass = srcFrameSettings.enableTransparentPostpass;
aggregate.enableDistortion = camera.cameraType != CameraType.Reflection && srcFrameSettings.enableDistortion;
// Planar and real time cubemap doesn't need post process and render in FP16
aggregate.enablePostprocess = camera.cameraType != CameraType.Reflection && srcFrameSettings.enablePostprocess;
aggregate.enableAsyncCompute = srcFrameSettings.enableAsyncCompute && SystemInfo.supportsAsyncCompute;
aggregate.enableOpaqueObjects = srcFrameSettings.enableOpaqueObjects;
aggregate.enableTransparentObjects = srcFrameSettings.enableTransparentObjects;
aggregate.enableRealtimePlanarReflection = srcFrameSettings.enableRealtimePlanarReflection;
//MSAA only supported in forward
aggregate.enableMSAA = srcFrameSettings.enableMSAA && renderPipelineSettings.supportMSAA && aggregate.shaderLitMode == LitShaderMode.Forward;
aggregate.ConfigureMSAADependentSettings();
aggregate.ConfigureStereoDependentSettings(camera);
// Disable various option for the preview except if we are a Camera Editor preview
if (HDUtils.IsRegularPreviewCamera(camera))
{
aggregate.enableShadow = false;
aggregate.enableContactShadows = false;
aggregate.enableShadowMask = false;
aggregate.enableSSR = false;
aggregate.enableSSAO = false;
aggregate.enableAtmosphericScattering = false;
aggregate.enableVolumetrics = false;
aggregate.enableReprojectionForVolumetrics = false;
aggregate.enableLightLayers = false;
aggregate.enableTransparentPrepass = false;
aggregate.enableMotionVectors = false;
aggregate.enableObjectMotionVectors = false;
aggregate.enableDecals = false;
aggregate.enableTransparentPostpass = false;
aggregate.enableDistortion = false;
aggregate.enablePostprocess = false;
}
LightLoopSettings.InitializeLightLoopSettings(camera, aggregate, renderPipelineSettings, srcFrameSettings, ref aggregate.lightLoopSettings);
}
public AmbientOcclusionSystem(HDRenderPipelineAsset hdAsset)
{
m_Settings = hdAsset.currentPlatformRenderPipelineSettings;
m_Resources = hdAsset.renderPipelineResources;
if (!hdAsset.currentPlatformRenderPipelineSettings.supportSSAO)
{
return;
}
bool supportMSAA = hdAsset.currentPlatformRenderPipelineSettings.supportMSAA;
// Destination targets
m_AmbientOcclusionTex = RTHandles.Alloc(Vector2.one,
filterMode: FilterMode.Bilinear,
colorFormat: GraphicsFormat.R8_UNorm,
enableRandomWrite: true,
xrInstancing: true,
useDynamicScale: true,
name: "Ambient Occlusion"
);
if (supportMSAA)
{
m_MultiAmbientOcclusionTex = RTHandles.Alloc(Vector2.one,
filterMode: FilterMode.Bilinear,
colorFormat: GraphicsFormat.R8G8_UNorm,
enableRandomWrite: true,
xrInstancing: true,
useDynamicScale: true,
name: "Ambient Occlusion MSAA"
);
m_ResolveMaterial = CoreUtils.CreateEngineMaterial(m_Resources.shaders.aoResolvePS);
m_ResolvePropertyBlock = new MaterialPropertyBlock();
}
// Prepare scale functors
m_ScaleFunctors = new ScaleFunc[(int)MipLevel.Count];
m_ScaleFunctors[0] = size => size; // 0 is original size (mip0)
for (int i = 1; i < m_ScaleFunctors.Length; i++)
{
int mult = i;
m_ScaleFunctors[i] = size =>
{
int div = 1 << mult;
return(new Vector2Int(
(size.x + (div - 1)) / div,
(size.y + (div - 1)) / div
));
};
}
var fmtFP16 = supportMSAA ? GraphicsFormat.R16G16_SFloat : GraphicsFormat.R16_SFloat;
var fmtFP32 = supportMSAA ? GraphicsFormat.R32G32_SFloat : GraphicsFormat.R32_SFloat;
var fmtFX8 = supportMSAA ? GraphicsFormat.R8G8_UNorm : GraphicsFormat.R8_UNorm;
// All of these are pre-allocated to 1x1 and will be automatically scaled properly by
// the internal RTHandle system
Alloc(out m_LinearDepthTex, MipLevel.Original, fmtFP16, true, "AOLinearDepth");
Alloc(out m_LowDepth1Tex, MipLevel.L1, fmtFP32, true, "AOLowDepth1");
Alloc(out m_LowDepth2Tex, MipLevel.L2, fmtFP32, true, "AOLowDepth2");
Alloc(out m_LowDepth3Tex, MipLevel.L3, fmtFP32, true, "AOLowDepth3");
Alloc(out m_LowDepth4Tex, MipLevel.L4, fmtFP32, true, "AOLowDepth4");
AllocArray(out m_TiledDepth1Tex, MipLevel.L3, fmtFP16, true, "AOTiledDepth1");
AllocArray(out m_TiledDepth2Tex, MipLevel.L4, fmtFP16, true, "AOTiledDepth2");
AllocArray(out m_TiledDepth3Tex, MipLevel.L5, fmtFP16, true, "AOTiledDepth3");
AllocArray(out m_TiledDepth4Tex, MipLevel.L6, fmtFP16, true, "AOTiledDepth4");
Alloc(out m_Occlusion1Tex, MipLevel.L1, fmtFX8, true, "AOOcclusion1");
Alloc(out m_Occlusion2Tex, MipLevel.L2, fmtFX8, true, "AOOcclusion2");
Alloc(out m_Occlusion3Tex, MipLevel.L3, fmtFX8, true, "AOOcclusion3");
Alloc(out m_Occlusion4Tex, MipLevel.L4, fmtFX8, true, "AOOcclusion4");
Alloc(out m_Combined1Tex, MipLevel.L1, fmtFX8, true, "AOCombined1");
Alloc(out m_Combined2Tex, MipLevel.L2, fmtFX8, true, "AOCombined2");
Alloc(out m_Combined3Tex, MipLevel.L3, fmtFX8, true, "AOCombined3");
}
// Note: this version is the one tested as there is issue getting HDRenderPipelineAsset in batchmode in unit test framework currently.
/// <summary>Same than FrameSettings.AggregateFrameSettings but keep history of agregation in a collection for DebugMenu.
/// Aggregation is default with override of the renderer then sanitazed depending on supported features of hdrpasset. Then the DebugMenu override occurs.</summary>
/// <param name="aggregatedFrameSettings">The aggregated FrameSettings result.</param>
/// <param name="camera">The camera rendering.</param>
/// <param name="additionalData">Additional data of the camera rendering.</param>
/// <param name="defaultFrameSettings">Base framesettings to copy prior any override.</param>
/// <param name="supportedFeatures">Currently supported feature for the sanitazation pass.</param>
public static void AggregateFrameSettings(ref FrameSettings aggregatedFrameSettings, Camera camera, HDAdditionalCameraData additionalData, ref FrameSettings defaultFrameSettings, RenderPipelineSettings supportedFeatures)
{
FrameSettingsHistory history = new FrameSettingsHistory
{
camera = camera,
defaultType = additionalData ? additionalData.defaultFrameSettings : FrameSettingsRenderType.Camera
};
aggregatedFrameSettings = defaultFrameSettings;
if (additionalData && additionalData.customRenderingSettings)
{
FrameSettings.Override(ref aggregatedFrameSettings, additionalData.renderingPathCustomFrameSettings, additionalData.renderingPathCustomFrameSettingsOverrideMask);
history.customMask = additionalData.renderingPathCustomFrameSettingsOverrideMask;
}
history.overridden = aggregatedFrameSettings;
FrameSettings.Sanitize(ref aggregatedFrameSettings, camera, supportedFeatures);
bool noHistory = !frameSettingsHistory.ContainsKey(camera);
bool updatedComponent = !noHistory && frameSettingsHistory[camera].sanitazed != aggregatedFrameSettings;
bool dirty = noHistory || updatedComponent;
history.sanitazed = aggregatedFrameSettings;
if (dirty)
{
history.debug = history.sanitazed;
}
else
{
history.debug = frameSettingsHistory[camera].debug;
// Ensure user is not trying to activate unsupported settings in DebugMenu
FrameSettings.Sanitize(ref history.debug, camera, supportedFeatures);
}
aggregatedFrameSettings = history.debug;
frameSettingsHistory[camera] = history;
}