541 lines
22 KiB
C#
541 lines
22 KiB
C#
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using System;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Experimental.Rendering;
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using UnityEngine.Rendering.RenderGraphModule;
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namespace UnityEngine.Rendering.HighDefinition
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{
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internal class DLSSPass
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{
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#region public members, general engine code
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public struct Parameters
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{
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public bool resetHistory;
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public float preExposure;
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public HDCamera hdCamera;
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public GlobalDynamicResolutionSettings drsSettings;
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}
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public static bool SetupFeature()
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{
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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if (!NVIDIA.NVUnityPlugin.IsLoaded())
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return false;
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if (s_ExpectedDeviceVersion != NVIDIA.GraphicsDevice.version)
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{
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Debug.LogWarning("Cannot instantiate NVIDIA device because the version HDRP expects does not match the backend version.");
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return false;
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}
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if (!SystemInfo.graphicsDeviceVendor.ToLowerInvariant().Contains("nvidia"))
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return false;
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var device = NVIDIA.GraphicsDevice.CreateGraphicsDevice();
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return device != null && device.IsFeatureAvailable(NVIDIA.GraphicsDeviceFeature.DLSS);
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#else
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return false;
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#endif
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}
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public static DLSSPass Create()
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{
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DLSSPass dlssPass = null;
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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if (!SetupFeature())
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return null;
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dlssPass = new DLSSPass(NVIDIA.GraphicsDevice.device);
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#endif
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return dlssPass;
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}
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public void BeginFrame(HDCamera hdCamera)
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{
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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InternalNVIDIABeginFrame(hdCamera);
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#endif
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}
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public void SetupDRSScaling(bool enableAutomaticSettings, Camera camera, in HDAdditionalCameraData hdCam, XRPass xrPass, ref GlobalDynamicResolutionSettings dynamicResolutionSettings)
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{
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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InternalNVIDIASetupDRSScaling(enableAutomaticSettings, camera, hdCam, xrPass, ref dynamicResolutionSettings);
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#endif
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}
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public void Render(
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DLSSPass.Parameters parameters,
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UpscalerResources.CameraResources resources,
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CommandBuffer cmdBuffer)
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{
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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InternalNVIDIARender(parameters, resources, cmdBuffer);
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#endif
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}
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#endregion
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#region private members, nvidia specific code
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#if ENABLE_NVIDIA && ENABLE_NVIDIA_MODULE
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private static uint s_ExpectedDeviceVersion = 0x04;
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private UpscalerCameras m_CameraStates = new UpscalerCameras();
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private CommandBuffer m_CommandBuffer = new CommandBuffer();
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private NVIDIA.GraphicsDevice m_Device = null;
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private DLSSPass(NVIDIA.GraphicsDevice device)
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{
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m_Device = device;
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}
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private struct DlssViewData
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{
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public NVIDIA.DLSSQuality perfQuality;
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public UpscalerResolution inputRes;
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public UpscalerResolution outputRes;
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public float sharpness;
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public float jitterX;
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public float jitterY;
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public bool reset;
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public bool CanFitInput(in UpscalerResolution inputRect)
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{
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return inputRes.width >= inputRect.width && inputRes.height > inputRect.height;
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}
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}
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private struct OptimalSettingsRequest
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{
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public NVIDIA.DLSSQuality quality;
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public Rect viewport;
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public NVIDIA.OptimalDLSSSettingsData optimalSettings;
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public bool CanFit(UpscalerResolution rect)
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{
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return rect.width >= optimalSettings.minWidth && rect.height >= optimalSettings.minHeight
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&& rect.width <= optimalSettings.maxWidth && rect.height <= optimalSettings.maxHeight;
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}
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}
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private static bool IsOptimalSettingsValid(in NVIDIA.OptimalDLSSSettingsData optimalSettings)
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{
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return optimalSettings.maxHeight >= optimalSettings.minHeight
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&& optimalSettings.maxWidth >= optimalSettings.minWidth
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&& optimalSettings.maxWidth != 0
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&& optimalSettings.maxHeight != 0
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&& optimalSettings.minWidth != 0
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&& optimalSettings.minHeight != 0;
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}
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private class ViewState
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{
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private NVIDIA.DLSSContext m_DlssContext = null;
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private NVIDIA.GraphicsDevice m_Device;
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private DlssViewData m_Data = new DlssViewData();
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private bool m_UsingOptimalSettings = false;
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private bool m_UseAutomaticSettings = false;
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private UpscalerResolution m_BackbufferRes;
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private OptimalSettingsRequest m_OptimalSettingsRequest = new OptimalSettingsRequest();
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public NVIDIA.DLSSContext DLSSContext { get { return m_DlssContext; } }
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public bool useAutomaticSettings { get { return m_UseAutomaticSettings; } }
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public OptimalSettingsRequest OptimalSettingsRequestData { get { return m_OptimalSettingsRequest; } }
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public ViewState()
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{
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}
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public void Init(NVIDIA.GraphicsDevice device)
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{
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m_Device = device;
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m_DlssContext = null;
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}
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public void RequestUseAutomaticSettings(bool useAutomaticSettings, NVIDIA.DLSSQuality quality, Rect viewport, in NVIDIA.OptimalDLSSSettingsData optimalSettings)
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{
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m_UseAutomaticSettings = useAutomaticSettings;
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m_OptimalSettingsRequest.quality = quality;
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m_OptimalSettingsRequest.viewport = viewport;
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m_OptimalSettingsRequest.optimalSettings = optimalSettings;
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}
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public void ClearAutomaticSettings()
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{
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m_UseAutomaticSettings = false;
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}
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private bool ShouldUseAutomaticSettings()
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{
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if (!m_UseAutomaticSettings || m_DlssContext == null)
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return false;
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return m_DlssContext.initData.quality == m_OptimalSettingsRequest.quality
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&& m_DlssContext.initData.outputRTHeight == (uint)m_OptimalSettingsRequest.viewport.height
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&& m_DlssContext.initData.outputRTWidth == (uint)m_OptimalSettingsRequest.viewport.width
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&& IsOptimalSettingsValid(m_OptimalSettingsRequest.optimalSettings);
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}
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public void UpdateViewState(
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in DlssViewData viewData,
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CommandBuffer cmdBuffer)
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{
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if(m_Device == null)
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return;
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bool shouldUseOptimalSettings = ShouldUseAutomaticSettings();
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bool isNew = false;
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if (viewData.outputRes != m_Data.outputRes ||
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(viewData.inputRes.width > m_BackbufferRes.width || viewData.inputRes.height > m_BackbufferRes.height) ||
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(viewData.inputRes != m_BackbufferRes && !m_OptimalSettingsRequest.CanFit(viewData.inputRes)) ||
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viewData.perfQuality != m_Data.perfQuality ||
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m_DlssContext == null ||
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shouldUseOptimalSettings != m_UsingOptimalSettings)
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{
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isNew = true;
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m_BackbufferRes = viewData.inputRes;
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if (m_DlssContext != null)
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{
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m_Device.DestroyFeature(cmdBuffer, m_DlssContext);
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m_DlssContext = null;
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}
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var settings = new NVIDIA.DLSSCommandInitializationData();
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settings.SetFlag(NVIDIA.DLSSFeatureFlags.IsHDR, true);
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settings.SetFlag(NVIDIA.DLSSFeatureFlags.MVLowRes, true);
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settings.SetFlag(NVIDIA.DLSSFeatureFlags.DepthInverted, true);
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settings.SetFlag(NVIDIA.DLSSFeatureFlags.DoSharpening, true);
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settings.inputRTWidth = m_BackbufferRes.width;
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settings.inputRTHeight = m_BackbufferRes.height;
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settings.outputRTWidth = viewData.outputRes.width;
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settings.outputRTHeight = viewData.outputRes.height;
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settings.quality = viewData.perfQuality;
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m_UsingOptimalSettings = shouldUseOptimalSettings;
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m_DlssContext = m_Device.CreateFeature(cmdBuffer, settings);
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}
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m_Data = viewData;
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m_Data.reset = isNew || viewData.reset;
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}
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public void SubmitDlssCommands(
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Texture source,
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Texture depth,
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Texture motionVectors,
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Texture biasColorMask,
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Texture output,
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float preExposure,
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CommandBuffer cmdBuffer)
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{
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if (m_DlssContext == null)
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return;
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m_DlssContext.executeData.sharpness = m_UsingOptimalSettings ? m_OptimalSettingsRequest.optimalSettings.sharpness : m_Data.sharpness;
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m_DlssContext.executeData.mvScaleX = -((float)m_Data.inputRes.width);
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m_DlssContext.executeData.mvScaleY = -((float)m_Data.inputRes.height);
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m_DlssContext.executeData.subrectOffsetX = 0;
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m_DlssContext.executeData.subrectOffsetY = 0;
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m_DlssContext.executeData.subrectWidth = m_Data.inputRes.width;
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m_DlssContext.executeData.subrectHeight = m_Data.inputRes.height;
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m_DlssContext.executeData.jitterOffsetX = m_Data.jitterX;
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m_DlssContext.executeData.jitterOffsetY = m_Data.jitterY;
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m_DlssContext.executeData.preExposure = preExposure;
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m_DlssContext.executeData.invertYAxis = 1u;
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m_DlssContext.executeData.invertXAxis = 0u;
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m_DlssContext.executeData.reset = m_Data.reset ? 1 : 0;
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var textureTable = new NVIDIA.DLSSTextureTable()
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{
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colorInput = source,
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colorOutput = output,
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depth = depth,
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motionVectors = motionVectors,
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biasColorMask = biasColorMask
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};
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m_Device.ExecuteDLSS(cmdBuffer, m_DlssContext, textureTable);
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}
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public void Cleanup(CommandBuffer cmdBuffer)
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{
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if (m_DlssContext != null)
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{
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m_Device.DestroyFeature(cmdBuffer, m_DlssContext);
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m_DlssContext = null;
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}
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m_Device = null;
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m_Data = new DlssViewData();
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m_UsingOptimalSettings = false;
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m_UseAutomaticSettings = false;
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m_BackbufferRes = new UpscalerResolution();
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m_OptimalSettingsRequest = new OptimalSettingsRequest();
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}
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}
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private class DLSSCamera
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{
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List<ViewState> m_Views = null;
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NVIDIA.GraphicsDevice m_Device = null;
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PerformDynamicRes m_ScaleDelegate = null;
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public PerformDynamicRes ScaleDelegate { get { return m_ScaleDelegate; } }
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public List<ViewState> ViewStates { get { return m_Views; } }
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public DLSSCamera()
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{
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m_ScaleDelegate = ScaleFn;
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}
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public void Init(NVIDIA.GraphicsDevice device)
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{
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m_Device = device;
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}
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public void ClearAutomaticSettings()
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{
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if (m_Views == null)
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return;
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foreach (var v in m_Views)
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v.ClearAutomaticSettings();
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}
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private float ScaleFn()
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{
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if (m_Views == null || m_Views.Count == 0)
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return 100.0f;
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var viewState = m_Views[0];
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if (!viewState.useAutomaticSettings)
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return 100.0f;
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var optimalSettings = viewState.OptimalSettingsRequestData.optimalSettings;
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var targetViewport = viewState.OptimalSettingsRequestData.viewport;
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float suggestedPercentageX = (float)optimalSettings.outRenderWidth / targetViewport.width;
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float suggestedPercentageY = (float)optimalSettings.outRenderHeight / targetViewport.height;
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return Mathf.Min(suggestedPercentageX, suggestedPercentageY) * 100.0f;
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}
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public void SubmitCommands(
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HDCamera camera,
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float preExposure,
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in DlssViewData viewData,
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in UpscalerResources.CameraResources camResources,
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CommandBuffer cmdBuffer)
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{
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int cameraViewCount = 1;
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int activeViewId = 0;
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if (camera.xr.enabled)
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{
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cameraViewCount = camera.xr.singlePassEnabled ? camera.xr.viewCount : 2;
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activeViewId = camera.xr.multipassId;
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}
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if (m_Views == null || m_Views.Count != cameraViewCount)
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{
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if (m_Views != null)
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Cleanup(cmdBuffer);
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m_Views = ListPool<ViewState>.Get();
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for (int viewId = 0; viewId < cameraViewCount; ++viewId)
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{
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var newView = GenericPool<ViewState>.Get();
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newView.Init(m_Device);
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m_Views.Add(newView);
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}
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}
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void RunPass(ViewState viewState, CommandBuffer cmdBuffer, in DlssViewData viewData, in UpscalerResources.ViewResources viewResources)
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{
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viewState.UpdateViewState(viewData, cmdBuffer);
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viewState.SubmitDlssCommands(
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viewResources.source,
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viewResources.depth,
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viewResources.motionVectors,
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viewResources.biasColorMask,
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viewResources.output, preExposure, cmdBuffer);
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}
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if (camResources.copyToViews)
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{
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Assertions.Assert.IsTrue(camera.xr.enabled && camera.xr.singlePassEnabled, "XR must be enabled for tmp copying to views to occur");
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|
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//copy to tmp views first, to maximize pipelining
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||
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for (int viewId = 0; viewId < m_Views.Count; ++viewId)
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||
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{
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ViewState viewState = m_Views[viewId];
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||
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UpscalerResources.ViewResources tmpResources = viewId == 0 ? camResources.tmpView0 : camResources.tmpView1;
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|
|
cmdBuffer.CopyTexture(camResources.resources.source, viewId, tmpResources.source, 0);
|
||
|
|
cmdBuffer.CopyTexture(camResources.resources.depth, viewId, tmpResources.depth, 0);
|
||
|
|
cmdBuffer.CopyTexture(camResources.resources.motionVectors, viewId, tmpResources.motionVectors, 0);
|
||
|
|
|
||
|
|
if (camResources.resources.biasColorMask != null)
|
||
|
|
cmdBuffer.CopyTexture(camResources.resources.biasColorMask, viewId, tmpResources.biasColorMask, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (int viewId = 0; viewId < m_Views.Count; ++viewId)
|
||
|
|
{
|
||
|
|
ViewState viewState = m_Views[viewId];
|
||
|
|
UpscalerResources.ViewResources tmpResources = viewId == 0 ? camResources.tmpView0 : camResources.tmpView1;
|
||
|
|
RunPass(viewState, cmdBuffer, viewData, tmpResources);
|
||
|
|
cmdBuffer.CopyTexture(tmpResources.output, 0, camResources.resources.output, viewId);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
RunPass(m_Views[activeViewId], cmdBuffer, viewData, camResources.resources);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Cleanup(CommandBuffer cmdBuffer)
|
||
|
|
{
|
||
|
|
if (m_Views == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
foreach (var v in m_Views)
|
||
|
|
{
|
||
|
|
v.Cleanup(cmdBuffer);
|
||
|
|
GenericPool<ViewState>.Release(v);
|
||
|
|
}
|
||
|
|
|
||
|
|
ListPool<ViewState>.Release(m_Views);
|
||
|
|
m_Views = null;
|
||
|
|
m_Device = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void CleanupCameraStates()
|
||
|
|
{
|
||
|
|
Dictionary<int, UpscalerCameras.State> cameras = m_CameraStates.cameras;
|
||
|
|
m_CommandBuffer.Clear();
|
||
|
|
foreach (var kv in cameras)
|
||
|
|
{
|
||
|
|
var cameraState = kv.Value;
|
||
|
|
if (!m_CameraStates.HasCameraStateExpired(cameraState) || cameraState.data == null)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
var dlssCamera = cameraState.data as DLSSCamera;
|
||
|
|
dlssCamera.Cleanup(m_CommandBuffer);
|
||
|
|
GenericPool<DLSSCamera>.Release(dlssCamera);
|
||
|
|
cameraState.data = null;
|
||
|
|
}
|
||
|
|
Graphics.ExecuteCommandBuffer(m_CommandBuffer);
|
||
|
|
m_CameraStates.CleanupCameraStates();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void InternalNVIDIASetupDRSScaling(bool enableAutomaticSettings, Camera camera, in HDAdditionalCameraData hdCam, XRPass xrPass, ref GlobalDynamicResolutionSettings dynamicResolutionSettings)
|
||
|
|
{
|
||
|
|
if (m_Device == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
UpscalerCameras.State cameraState = m_CameraStates.GetState(camera);
|
||
|
|
if (cameraState == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
var dlssCamera = cameraState.data as DLSSCamera;
|
||
|
|
if (dlssCamera.ViewStates == null || dlssCamera.ViewStates.Count == 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (dlssCamera.ViewStates[0].DLSSContext == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
var usedQuality = dlssCamera.ViewStates[0].DLSSContext.initData.quality;
|
||
|
|
Rect finalViewport = xrPass != null && xrPass.enabled ? xrPass.GetViewport() : new Rect(camera.pixelRect.x, camera.pixelRect.y, camera.pixelWidth, camera.pixelHeight);
|
||
|
|
NVIDIA.OptimalDLSSSettingsData optimalSettings = new NVIDIA.OptimalDLSSSettingsData();
|
||
|
|
m_Device.GetOptimalSettings((uint)finalViewport.width, (uint)finalViewport.height, usedQuality, out optimalSettings);
|
||
|
|
|
||
|
|
foreach (var view in dlssCamera.ViewStates)
|
||
|
|
{
|
||
|
|
if (view == null)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
view.RequestUseAutomaticSettings(enableAutomaticSettings, usedQuality, finalViewport, optimalSettings);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (enableAutomaticSettings)
|
||
|
|
{
|
||
|
|
if (IsOptimalSettingsValid(optimalSettings) && enableAutomaticSettings)
|
||
|
|
{
|
||
|
|
dynamicResolutionSettings.maxPercentage = Mathf.Min((float)optimalSettings.maxWidth / finalViewport.width, (float)optimalSettings.maxHeight / finalViewport.height) * 100.0f;
|
||
|
|
dynamicResolutionSettings.minPercentage = Mathf.Max((float)optimalSettings.minWidth / finalViewport.width, (float)optimalSettings.minHeight / finalViewport.height) * 100.0f;
|
||
|
|
DynamicResolutionHandler.SetSystemDynamicResScaler(dlssCamera.ScaleDelegate, DynamicResScalePolicyType.ReturnsPercentage);
|
||
|
|
DynamicResolutionHandler.SetActiveDynamicScalerSlot(DynamicResScalerSlot.System);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
dlssCamera.ClearAutomaticSettings();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void InternalNVIDIABeginFrame(HDCamera hdCamera)
|
||
|
|
{
|
||
|
|
if (m_Device == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
m_CameraStates.ProcessExpiredCameras();
|
||
|
|
|
||
|
|
UpscalerCameras.State cameraState = m_CameraStates.GetState(hdCamera.camera);
|
||
|
|
var dlssCamera = cameraState != null ? cameraState.data as DLSSCamera : (DLSSCamera)null;
|
||
|
|
|
||
|
|
bool dlssActive = hdCamera.IsDLSSEnabled();
|
||
|
|
|
||
|
|
if (cameraState == null && dlssActive)
|
||
|
|
{
|
||
|
|
dlssCamera = GenericPool<DLSSCamera>.Get();
|
||
|
|
dlssCamera.Init(m_Device);
|
||
|
|
cameraState = m_CameraStates.CreateState(hdCamera.camera);
|
||
|
|
cameraState.data = dlssCamera;
|
||
|
|
}
|
||
|
|
else if (cameraState != null && !dlssActive)
|
||
|
|
{
|
||
|
|
m_CameraStates.InvalidateState(cameraState);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cameraState != null)
|
||
|
|
m_CameraStates.TagUsed(cameraState);
|
||
|
|
|
||
|
|
CleanupCameraStates();
|
||
|
|
m_CameraStates.NextFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void InternalNVIDIARender(in DLSSPass.Parameters parameters, UpscalerResources.CameraResources resources, CommandBuffer cmdBuffer)
|
||
|
|
{
|
||
|
|
if (m_Device == null || m_CameraStates.cameras.Count == 0)
|
||
|
|
return;
|
||
|
|
|
||
|
|
UpscalerCameras.State cameraState = m_CameraStates.GetState(parameters.hdCamera.camera);
|
||
|
|
if (cameraState == null)
|
||
|
|
return;
|
||
|
|
|
||
|
|
DLSSCamera dlssCamera = cameraState.data as DLSSCamera;
|
||
|
|
var dlssViewData = new DlssViewData();
|
||
|
|
|
||
|
|
dlssViewData.perfQuality =
|
||
|
|
(NVIDIA.DLSSQuality)(
|
||
|
|
parameters.hdCamera.deepLearningSuperSamplingUseCustomQualitySettings
|
||
|
|
? parameters.hdCamera.deepLearningSuperSamplingQuality
|
||
|
|
: parameters.drsSettings.DLSSPerfQualitySetting);
|
||
|
|
|
||
|
|
dlssViewData.sharpness = parameters.hdCamera.deepLearningSuperSamplingUseCustomAttributes
|
||
|
|
? parameters.hdCamera.deepLearningSuperSamplingSharpening
|
||
|
|
: parameters.drsSettings.DLSSSharpness;
|
||
|
|
|
||
|
|
dlssViewData.inputRes = new UpscalerResolution() { width = (uint)parameters.hdCamera.actualWidth, height = (uint)parameters.hdCamera.actualHeight };
|
||
|
|
dlssViewData.outputRes = new UpscalerResolution() { width = (uint)DynamicResolutionHandler.instance.finalViewport.x, height = (uint)DynamicResolutionHandler.instance.finalViewport.y };
|
||
|
|
|
||
|
|
dlssViewData.jitterX = -parameters.hdCamera.taaJitter.x;
|
||
|
|
dlssViewData.jitterY = -parameters.hdCamera.taaJitter.y;
|
||
|
|
dlssViewData.reset = parameters.resetHistory;
|
||
|
|
dlssCamera.SubmitCommands(parameters.hdCamera, parameters.preExposure, dlssViewData, resources, cmdBuffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endregion
|
||
|
|
}
|
||
|
|
}
|