172 lines
6.3 KiB
C++
172 lines
6.3 KiB
C++
// @lint-ignore-every LICENSELINT
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "OculusXRHMD_CustomPresent.h"
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#include "OculusXRHMDPrivateRHI.h"
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#if OCULUS_HMD_SUPPORTED_PLATFORMS_VULKAN
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#include "OculusXRHMD.h"
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#include "IVulkanDynamicRHI.h"
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#if PLATFORM_WINDOWS
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#ifndef WINDOWS_PLATFORM_TYPES_GUARD
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#include "Windows/AllowWindowsPlatformTypes.h"
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#endif
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#endif
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namespace OculusXRHMD
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{
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//-------------------------------------------------------------------------------------------------
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// FCustomPresentVulkan
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//-------------------------------------------------------------------------------------------------
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class FVulkanCustomPresent : public FCustomPresent
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{
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public:
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FVulkanCustomPresent(FOculusXRHMD* InOculusXRHMD);
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// Implementation of FCustomPresent, called by Plugin itself
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virtual bool IsUsingCorrectDisplayAdapter() const override;
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virtual void* GetOvrpInstance() const override;
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virtual void* GetOvrpPhysicalDevice() const override;
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virtual void* GetOvrpDevice() const override;
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virtual void* GetOvrpCommandQueue() const override;
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virtual FTextureRHIRef CreateTexture_RenderThread(uint32 InSizeX, uint32 InSizeY, EPixelFormat InFormat, FClearValueBinding InBinding, uint32 InNumMips, uint32 InNumSamples, uint32 InNumSamplesTileMem, ERHIResourceType InResourceType, ovrpTextureHandle InTexture, ETextureCreateFlags InTexCreateFlags) override;
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// This is a hack to turn force FSR off when we allocate our FDM to avoid a crash on Quest 3
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// TODO: Remove this for UE 5.3 after there's an engine-side fix
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virtual void UseFragmentDensityMapOverShadingRate_RHIThread() override;
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#ifdef WITH_OCULUS_BRANCH
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virtual void UpdateFoveationOffsets_RHIThread(bool bUseTileOffsets, FIntPoint TileOffsets[2]) override;
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#endif // WITH_OCULUS_BRANCH
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};
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FVulkanCustomPresent::FVulkanCustomPresent(FOculusXRHMD* InOculusXRHMD)
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: FCustomPresent(InOculusXRHMD, ovrpRenderAPI_Vulkan, PF_R8G8B8A8, true)
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{
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#if PLATFORM_ANDROID
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if (GRHISupportsRHIThread && GIsThreadedRendering && GUseRHIThread_InternalUseOnly)
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{
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SetRHIThreadEnabled(false, false);
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}
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#endif
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switch (GPixelFormats[PF_DepthStencil].PlatformFormat)
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{
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case VK_FORMAT_D24_UNORM_S8_UINT:
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DefaultDepthOvrpTextureFormat = ovrpTextureFormat_D24_S8;
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break;
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case VK_FORMAT_D32_SFLOAT_S8_UINT:
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DefaultDepthOvrpTextureFormat = ovrpTextureFormat_D32_FP_S8;
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break;
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default:
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UE_LOG(LogHMD, Error, TEXT("Unrecognized depth buffer format"));
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break;
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}
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bSupportsSubsampled = GetIVulkanDynamicRHI()->RHISupportsEXTFragmentDensityMap2();
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}
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bool FVulkanCustomPresent::IsUsingCorrectDisplayAdapter() const
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{
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#if PLATFORM_WINDOWS
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const void* AdapterId = nullptr;
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if (OVRP_SUCCESS(FOculusXRHMDModule::GetPluginWrapper().GetDisplayAdapterId2(&AdapterId)) && AdapterId)
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{
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return GetIVulkanDynamicRHI()->RHIDoesAdapterMatchDevice(AdapterId);
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}
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#endif
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// Not enough information. Assume that we are using the correct adapter.
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return true;
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}
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void* FVulkanCustomPresent::GetOvrpInstance() const
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{
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return GetIVulkanDynamicRHI()->RHIGetVkInstance();
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}
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void* FVulkanCustomPresent::GetOvrpPhysicalDevice() const
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{
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return GetIVulkanDynamicRHI()->RHIGetVkPhysicalDevice();
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}
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void* FVulkanCustomPresent::GetOvrpDevice() const
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{
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return GetIVulkanDynamicRHI()->RHIGetVkDevice();
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}
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void* FVulkanCustomPresent::GetOvrpCommandQueue() const
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{
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return GetIVulkanDynamicRHI()->RHIGetGraphicsVkQueue();
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}
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FTextureRHIRef FVulkanCustomPresent::CreateTexture_RenderThread(uint32 InSizeX, uint32 InSizeY, EPixelFormat InFormat, FClearValueBinding InBinding, uint32 InNumMips, uint32 InNumSamples, uint32 InNumSamplesTileMem, ERHIResourceType InResourceType, ovrpTextureHandle InTexture, ETextureCreateFlags InTexCreateFlags)
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{
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CheckInRenderThread();
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IVulkanDynamicRHI* VulkanRHI = GetIVulkanDynamicRHI();
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const VkImageSubresourceRange SubresourceRangeAll = { VK_IMAGE_ASPECT_COLOR_BIT, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_ARRAY_LAYERS };
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if (EnumHasAnyFlags(InTexCreateFlags, TexCreate_RenderTargetable))
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{
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VulkanRHI->RHISetImageLayout((VkImage)InTexture, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, SubresourceRangeAll);
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}
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else if (EnumHasAnyFlags(InTexCreateFlags, TexCreate_Foveation))
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{
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VulkanRHI->RHISetImageLayout((VkImage)InTexture, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_FRAGMENT_DENSITY_MAP_OPTIMAL_EXT, SubresourceRangeAll);
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}
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switch (InResourceType)
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{
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case RRT_Texture2D:
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return VulkanRHI->RHICreateTexture2DFromResource(InFormat, InSizeX, InSizeY, InNumMips, InNumSamples, (VkImage)InTexture, InTexCreateFlags, InBinding).GetReference();
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case RRT_Texture2DArray:
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return VulkanRHI->RHICreateTexture2DArrayFromResource(InFormat, InSizeX, InSizeY, 2, InNumMips, InNumSamples, (VkImage)InTexture, InTexCreateFlags, InBinding).GetReference();
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case RRT_TextureCube:
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return VulkanRHI->RHICreateTextureCubeFromResource(InFormat, InSizeX, false, 1, InNumMips, (VkImage)InTexture, InTexCreateFlags, InBinding).GetReference();
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default:
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return nullptr;
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}
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}
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// This is a hack to turn force FSR off when we allocate our FDM to avoid a crash on Quest 3
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// TODO: Remove this for UE 5.3 after there's an engine-side fix
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void FVulkanCustomPresent::UseFragmentDensityMapOverShadingRate_RHIThread()
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{
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CheckInRHIThread();
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SCOPED_NAMED_EVENT(UseFragmentDensityMapOverShadingRate_RHIThread, FColor::Red);
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GRHIVariableRateShadingImageDataType = VRSImage_Fractional;
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GRHIVariableRateShadingImageFormat = PF_R8G8;
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}
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#ifdef WITH_OCULUS_BRANCH
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void FVulkanCustomPresent::UpdateFoveationOffsets_RHIThread(bool bUseOffsets, FIntPoint Offsets[2])
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{
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CheckInRHIThread();
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SCOPED_NAMED_EVENT(UpdateFoveationOffsets_RHIThread, FColor::Red);
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GetIVulkanDynamicRHI()->RHISetQcomFragmentDensityMapOffsets(bUseOffsets, Offsets);
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}
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#endif // WITH_OCULUS_BRANCH
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//-------------------------------------------------------------------------------------------------
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// APIs
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//-------------------------------------------------------------------------------------------------
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FCustomPresent* CreateCustomPresent_Vulkan(FOculusXRHMD* InOculusXRHMD)
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{
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return new FVulkanCustomPresent(InOculusXRHMD);
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}
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} // namespace OculusXRHMD
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#if PLATFORM_WINDOWS
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#undef WINDOWS_PLATFORM_TYPES_GUARD
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#endif
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#endif // OCULUS_HMD_SUPPORTED_PLATFORMS_VULKAN
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