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01b7c9f4f5
This represents UE4/Main @ 15913390 and Dev-PerfTest @ 15913304 [CL 15958515 by Marc Audy in ue5-main branch]
110 lines
2.5 KiB
C++
110 lines
2.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "XRSwapChain.h"
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#include "RenderingThread.h"
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#include "XRThreadUtils.h"
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#include "CoreGlobals.h"
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#ifdef _DEBUG
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#include "CoreMinimal.h"
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#include "HAL/RunnableThread.h"
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#include "RHI.h"
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#endif // _DEBUG
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//-------------------------------------------------------------------------------------------------
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// FTextureSetProxy
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//-------------------------------------------------------------------------------------------------
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FORCEINLINE void CheckInRenderThread()
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{
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#if DO_CHECK
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check(IsInRenderingThread());
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#endif
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}
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bool InRHIOrValidThread()
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{
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if (GIsThreadedRendering && !GIsRenderingThreadSuspended.Load(EMemoryOrder::Relaxed))
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{
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if (IsRHIThreadRunning())
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{
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if (IsInRHIThread())
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{
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return true;
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}
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if (IsInActualRenderingThread())
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{
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return GetImmediateCommandList_ForRenderCommand().Bypass();
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}
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return false;
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}
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else
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{
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return IsInActualRenderingThread();
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}
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}
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else
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{
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return IsInGameThread();
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}
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}
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FORCEINLINE void CheckInRHIThread()
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{
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#if DO_CHECK
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check(InRHIOrValidThread());
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#endif
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}
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FXRSwapChain::FXRSwapChain(TArray<FTextureRHIRef>&& InRHITextureSwapChain, const FTextureRHIRef& AliasedTexture)
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: RHITexture(AliasedTexture)
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, RHITextureSwapChain(InRHITextureSwapChain)
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, SwapChainIndex_RHIThread(0)
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{
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check(RHITexture);
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// @todo: The *correct* way to create the RHITexture object (that's just an alias over swap-chain textures)
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// would be via a new RHI API to create an aliased texture. For now we just let the clients of this class
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// create themselves (since they all create differently).
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RHITexture->SetName(TEXT("XRSwapChainAliasedTexture"));
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for (int ChainElement = 0; ChainElement < RHITextureSwapChain.Num(); ++ChainElement)
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{
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RHITextureSwapChain[ChainElement]->SetName(FName(*FString::Printf(TEXT("XRSwapChainBackingTex%d"), ChainElement)));
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}
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}
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void FXRSwapChain::GenerateMips_RenderThread(FRHICommandListImmediate& RHICmdList)
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{
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CheckInRenderThread();
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if (RHITexture->GetNumMips() > 1 && RHITexture->GetTextureCube() == nullptr)
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{
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#if PLATFORM_WINDOWS
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RHICmdList.GenerateMips(RHITexture);
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#endif
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}
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}
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void FXRSwapChain::IncrementSwapChainIndex_RHIThread()
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{
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CheckInRHIThread();
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SwapChainIndex_RHIThread = (SwapChainIndex_RHIThread + 1) % GetSwapChainLength();
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GDynamicRHI->RHIAliasTextureResources((FTextureRHIRef&)RHITexture, (FTextureRHIRef&)RHITextureSwapChain[SwapChainIndex_RHIThread]);
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}
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void FXRSwapChain::ReleaseResources_RHIThread()
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{
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CheckInRHIThread();
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RHITexture = nullptr;
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RHITextureSwapChain.Empty();
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}
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