147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
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// @lint-ignore-every LICENSELINT
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "OculusXRHMDPrivate.h"
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#include "IXRLoadingScreen.h"
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#if WITH_EDITOR
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#include "Editor.h"
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#endif
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#if OCULUS_HMD_SUPPORTED_PLATFORMS
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#include "OculusXRHMD_GameFrame.h"
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#include "OculusXRHMD_Layer.h"
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#include "TickableObjectRenderThread.h"
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#include "OculusXRHMDTypes.h"
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namespace OculusXRHMD
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{
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class FOculusXRHMD;
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//-------------------------------------------------------------------------------------------------
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// FSplashLayer
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//-------------------------------------------------------------------------------------------------
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struct FSplashLayer
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{
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FOculusXRSplashDesc Desc;
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FLayerPtr Layer;
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public:
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FSplashLayer(const FOculusXRSplashDesc& InDesc)
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: Desc(InDesc) {}
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FSplashLayer(const FSplashLayer& InSplashLayer)
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: Desc(InSplashLayer.Desc), Layer(InSplashLayer.Layer) {}
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};
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//-------------------------------------------------------------------------------------------------
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// FSplash
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//-------------------------------------------------------------------------------------------------
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class FSplash : public IXRLoadingScreen, public TSharedFromThis<FSplash>
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{
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protected:
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class FTicker : public FTickableObjectRenderThread, public TSharedFromThis<FTicker>
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{
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public:
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FTicker(FSplash* InSplash)
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: FTickableObjectRenderThread(false, true), pSplash(InSplash) {}
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virtual void Tick(float DeltaTime) override { pSplash->Tick_RenderThread(DeltaTime); }
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virtual TStatId GetStatId() const override { RETURN_QUICK_DECLARE_CYCLE_STAT(FSplash, STATGROUP_Tickables); }
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virtual bool IsTickable() const override { return true; }
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protected:
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FSplash* pSplash;
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};
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public:
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FSplash(FOculusXRHMD* InPlugin);
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virtual ~FSplash();
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void Tick_RenderThread(float DeltaTime);
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void Startup();
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void LoadSettings();
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void ReleaseResources_RHIThread();
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void PreShutdown();
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void Shutdown();
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void OnPreLoadMap(const FString&);
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void OnPostLoadMap(UWorld* LoadedWorld);
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#if WITH_EDITOR
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void OnPieBegin(bool bIsSimulating);
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#endif
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// Called from FOculusXRHMD
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void UpdateLoadingScreen_GameThread();
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// Internal extended API
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int AddSplash(const FOculusXRSplashDesc&);
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bool GetSplash(unsigned index, FOculusXRSplashDesc& OutDesc);
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void StopTicker();
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void StartTicker();
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// The standard IXRLoadingScreen interface
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virtual void ShowLoadingScreen() override;
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virtual void HideLoadingScreen() override;
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virtual void ClearSplashes() override;
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virtual void AddSplash(const FSplashDesc& Splash) override;
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virtual bool IsShown() const override { return bIsShown; }
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#if !UE_VERSION_OLDER_THAN(5, 3, 0)
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virtual bool IsPlayingLoadingMovie() const override
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{
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return false;
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}
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#endif
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protected:
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void DoShow();
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void DoHide();
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void UnloadTextures();
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void LoadTexture(FSplashLayer& InSplashLayer);
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void UnloadTexture(FSplashLayer& InSplashLayer);
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void RenderFrame_RenderThread(FRHICommandListImmediate& RHICmdList);
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IStereoLayers::FLayerDesc StereoLayerDescFromOculusSplashDesc(FOculusXRSplashDesc OculusDesc);
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protected:
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FOculusXRHMD* OculusXRHMD;
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FCustomPresent* CustomPresent;
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TSharedPtr<FTicker> Ticker;
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int32 FramesOutstanding;
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FCriticalSection RenderThreadLock;
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FSettingsPtr Settings;
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FGameFramePtr Frame;
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TArray<FSplashLayer> SplashLayers;
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uint32 NextLayerId;
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FLayerPtr BlackLayer;
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FLayerPtr UELayer;
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TArray<TTuple<FLayerPtr, FQuat>> Layers_RenderThread_DeltaRotation;
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TArray<FLayerPtr> Layers_RenderThread_Input;
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TArray<FLayerPtr> Layers_RenderThread;
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TArray<FLayerPtr> Layers_RHIThread;
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// All these flags are only modified from the Game thread
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bool bInitialized;
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bool bIsShown;
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bool bNeedSplashUpdate;
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bool bShouldShowSplash;
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float SystemDisplayInterval;
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double LastTimeInSeconds;
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FDelegateHandle PreLoadLevelDelegate;
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FDelegateHandle PostLoadLevelDelegate;
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#if WITH_EDITOR
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FDelegateHandle PieBeginDelegateHandle;
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#endif
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};
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typedef TSharedPtr<FSplash> FSplashPtr;
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} // namespace OculusXRHMD
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#endif // OCULUS_HMD_SUPPORTED_PLATFORMS
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