54 lines
2.1 KiB
C++
54 lines
2.1 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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#include "OculusXRHMD_FoveatedRendering.h"
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#if !UE_VERSION_OLDER_THAN(5, 3, 0)
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#include "RenderGraphBuilder.h"
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#include "HeadMountedDisplayTypes.h" // For the LogHMD log category
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FOculusXRFoveatedRenderingImageGenerator::FOculusXRFoveatedRenderingImageGenerator(const FXRSwapChainPtr& Swapchain)
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: FoveationSwapchain(Swapchain)
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{
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GVRSImageManager.RegisterExternalImageGenerator(this);
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}
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FOculusXRFoveatedRenderingImageGenerator::~FOculusXRFoveatedRenderingImageGenerator()
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{
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GVRSImageManager.UnregisterExternalImageGenerator(this);
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}
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FRDGTextureRef FOculusXRFoveatedRenderingImageGenerator::GetImage(FRDGBuilder& GraphBuilder, const FViewInfo& ViewInfo, FVariableRateShadingImageManager::EVRSImageType ImageType)
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{
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if (!FoveationSwapchain.IsValid())
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{
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return nullptr;
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}
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FTexture2DRHIRef SwapchainTexture = FoveationSwapchain->GetTexture2DArray() ? FoveationSwapchain->GetTexture2DArray() : FoveationSwapchain->GetTexture2D();
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FIntPoint TexSize = SwapchainTexture->GetSizeXY();
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// Only set texture and return true if we have a valid texture of compatible size
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if (SwapchainTexture->IsValid() && TexSize.X > 0 && TexSize.Y > 0)
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{
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TRefCountPtr<IPooledRenderTarget> PooledRenderTarget = CreateRenderTarget(SwapchainTexture, *SwapchainTexture->GetName().ToString());
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return GraphBuilder.RegisterExternalTexture(PooledRenderTarget, *SwapchainTexture->GetName().ToString(), ERDGTextureFlags::SkipTracking);
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}
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return nullptr;
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}
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void FOculusXRFoveatedRenderingImageGenerator::PrepareImages(FRDGBuilder& GraphBuilder, const FSceneViewFamily& ViewFamily, const FMinimalSceneTextures& SceneTextures)
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{
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return;
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}
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bool FOculusXRFoveatedRenderingImageGenerator::IsEnabledForView(const FSceneView& View) const
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{
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return View.StereoPass != EStereoscopicPass::eSSP_FULL;
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}
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FRDGTextureRef FOculusXRFoveatedRenderingImageGenerator::GetDebugImage(FRDGBuilder& GraphBuilder, const FViewInfo& ViewInfo, FVariableRateShadingImageManager::EVRSImageType ImageType)
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{
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return nullptr;
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}
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#endif // !UE_VERSION_OLDER_THAN(5, 3, 0)
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