119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
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/*
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* Copyright (c) 2022 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*
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* NVIDIA CORPORATION, its affiliates and licensors retain all intellectual
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* property and proprietary rights in and to this material, related
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* documentation and any modifications thereto. Any use, reproduction,
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* disclosure or distribution of this material and related documentation
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* without an express license agreement from NVIDIA CORPORATION or
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* its affiliates is strictly prohibited.
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*/
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#pragma once
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#include "CoreMinimal.h"
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#include "Modules/ModuleManager.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/Object.h"
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#include "Kismet/BlueprintFunctionLibrary.h"
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#include "Misc/CoreDelegates.h"
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#include "StreamlineLibrary.h"
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#include "StreamlineLibraryDLSSG.generated.h"
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class FDelegateHandle;
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#ifdef __INTELLISENSE__
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#define WITH_STREAMLINE 1
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#endif
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UENUM(BlueprintType)
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enum class UStreamlineDLSSGMode : uint8
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{
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Off UMETA(DisplayName = "Off"),
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On UMETA(DisplayName = "On"),
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Auto UMETA(DisplayName = "Auto"),
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};
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UCLASS(MinimalAPI)
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class UStreamlineLibraryDLSSG : public UBlueprintFunctionLibrary
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{
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friend class FStreamlineBlueprintModule;
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GENERATED_BODY()
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public:
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/** Checks whether DLSS-FG is supported by the current GPU. Further details can be retrieved via QueryDLSSGSupport*/
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Is NVIDIA DLSS-FG Supported"))
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static STREAMLINEBLUEPRINT_API bool IsDLSSGSupported();
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/** Checks whether DLSS-FG is supported by the current GPU */
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Query NVIDIA DLSS-FG Support"))
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static STREAMLINEBLUEPRINT_API UStreamlineFeatureSupport QueryDLSSGSupport();
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/** Checks whether a DLSS-FG mode is supported */
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Is DLSS-FG Mode Supported"))
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static STREAMLINEBLUEPRINT_API bool IsDLSSGModeSupported(UStreamlineDLSSGMode DLSSGMode);
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/** Retrieves all supported DLSS-FG modes. Can be used to populate UI */
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Get Supported DLSS-FG Modes"))
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static STREAMLINEBLUEPRINT_API TArray<UStreamlineDLSSGMode> GetSupportedDLSSGModes();
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/**
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* Sets the console variables to enable/disable DLSS-FG
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* Off = DLSS-FG disabled
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* On = DLSS-FG always enabled
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* Auto = DLSS-FG may be temporarily disabled if it could hurt frame rate
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*/
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UFUNCTION(BlueprintCallable, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Set DLSS-FG Mode"))
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static STREAMLINEBLUEPRINT_API void SetDLSSGMode(UStreamlineDLSSGMode DLSSGMode);
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/* Reads the console variables to infer the current DLSS-FG mode*/
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Get DLSS-FG Mode"))
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static STREAMLINEBLUEPRINT_API UStreamlineDLSSGMode GetDLSSGMode();
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/* Find a reasonable default DLSS-FG mode based on current hardware */
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Get Default DLSS-FG Mode"))
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static STREAMLINEBLUEPRINT_API UStreamlineDLSSGMode GetDefaultDLSSGMode();
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/* Returns the actual framerate and number of frames presented, whether DLSS-FG is active or not */
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UFUNCTION(BlueprintPure, Category = "Streamline|DLSS-FG", meta = (DisplayName = "Get DLSS-FG frame frame rate and presented frames"))
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static STREAMLINEBLUEPRINT_API void GetDLSSGFrameTiming(float& FrameRateInHertz, int32& FramesPresented);
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static void Startup();
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static void Shutdown();
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private:
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static UStreamlineFeatureSupport DLSSGSupport;
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#if WITH_STREAMLINE
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static bool bDLSSGLibraryInitialized;
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static bool TryInitDLSSGLibrary();
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#if !UE_BUILD_SHIPPING
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struct FDLSSErrorState
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{
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bool bIsDLSSGModeUnsupported = false;
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UStreamlineDLSSGMode InvalidDLSSGMode = UStreamlineDLSSGMode::Off;
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};
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static FDLSSErrorState DLSSErrorState;
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static void GetDLSSOnScreenMessages(TMultiMap<FCoreDelegates::EOnScreenMessageSeverity, FText>& OutMessages);
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static FDelegateHandle DLSSOnScreenMessagesDelegateHandle;
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#endif
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#endif
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};
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