129 lines
4.9 KiB
C++
129 lines
4.9 KiB
C++
// This file is part of the FidelityFX Super Resolution 3.1 Unreal Engine Plugin.
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//
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// Copyright (c) 2023-2025 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include "FFXShared.h"
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#include "Modules/ModuleManager.h"
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#if UE_VERSION_AT_LEAST(5, 2, 0)
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#include "RHIFwd.h"
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#else
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#include "RHI.h"
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#endif
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class FRDGTexture;
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#if UE_VERSION_AT_LEAST(5, 1, 0)
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enum EPixelFormat : uint8;
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#else
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enum EPixelFormat;
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#endif
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#if UE_VERSION_AT_LEAST(5, 2, 0)
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enum class ERHIAccess : uint32;
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#endif
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typedef struct FfxCreateResourceDescription FfxCreateResourceDescription;
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typedef struct ffxConfigureDescFrameGeneration ffxConfigureDescFrameGeneration;
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typedef struct ffxConfigureDescFrameGenerationRegisterDistortionFieldResource ffxConfigureDescFrameGenerationRegisterDistortionFieldResource;
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namespace FFXStrings
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{
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static constexpr auto D3D12 = TEXT("D3D12");
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}
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enum class EFFXBackendAPI : uint8
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{
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D3D12,
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Unreal,
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Unsupported,
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Unknown
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};
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struct FFXSharedAllocCallbacks
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{
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static void* ffxAlloc(void* pUserData, uint64_t size)
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{
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return FMemory::Malloc(size);
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}
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static void ffxDealloc(void* pUserData, void* pMem)
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{
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return FMemory::Free(pMem);
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}
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ffxAllocationCallbacks Cbs;
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FFXSharedAllocCallbacks()
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{
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Cbs.pUserData = nullptr;
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Cbs.alloc = &ffxAlloc;
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Cbs.dealloc = &ffxDealloc;
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}
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};
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class FRDGBuilder;
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class IFFXSharedBackend
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{
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public:
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virtual ffxReturnCode_t ffxCreateContext(ffxContext* context, ffxCreateContextDescHeader* desc) = 0;
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virtual ffxReturnCode_t ffxDestroyContext(ffxContext* context) = 0;
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virtual ffxReturnCode_t ffxConfigure(ffxContext* context, const ffxConfigureDescHeader* desc) = 0;
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virtual ffxReturnCode_t ffxQuery(ffxContext* context, ffxQueryDescHeader* desc) = 0;
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virtual ffxReturnCode_t ffxDispatch(ffxContext* context, const ffxDispatchDescHeader* desc) = 0;
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virtual void Init() = 0;
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virtual EFFXBackendAPI GetAPI() const = 0;
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virtual void SetFeatureLevel(ffxContext* context, ERHIFeatureLevel::Type FeatureLevel) = 0;
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virtual FfxSwapchain GetSwapchain(void* swapChain) = 0;
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virtual FfxApiResource GetNativeResource(FRHITexture* Texture, FfxApiResourceState State) = 0;
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virtual FfxApiResource GetNativeResource(FRDGTexture* Texture, FfxApiResourceState State) = 0;
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virtual FfxCommandList GetNativeCommandBuffer(FRHICommandListImmediate& RHICmdList, FRHITexture* Texture) = 0;
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virtual FfxShaderModel GetSupportedShaderModel() = 0;
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virtual bool IsFloat16Supported() = 0;
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virtual void ForceUAVTransition(FRHICommandListImmediate& RHICmdList, FRHITexture* OutputTexture, ERHIAccess Access) = 0;
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virtual void UpdateSwapChain(ffxContext* Context, ffxConfigureDescFrameGeneration& Desc) = 0;
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virtual void UpdateSwapChain(ffxContext* Context, ffxConfigureDescFrameGeneration& Desc, ffxConfigureDescFrameGenerationRegisterDistortionFieldResource& DescDistortion) = 0;
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virtual FfxApiResource GetInterpolationOutput(FfxSwapchain SwapChain) = 0;
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virtual void* GetInterpolationCommandList(FfxSwapchain SwapChain) = 0;
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virtual void RegisterFrameResources(FRHIResource* FIResources, uint64 FrameID) = 0;
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virtual bool GetAverageFrameTimes(float& AvgTimeMs, float& AvgFPS) = 0;
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virtual void CopySubRect(FfxCommandList CmdList, FfxApiResource Src, FfxApiResource Dst, FIntPoint OutputExtents, FIntPoint OutputPoint) = 0;
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virtual void Flush(FRHITexture* Tex, FRHICommandListImmediate& RHICmdList) = 0;
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#if UE_VERSION_OLDER_THAN(5, 0, 0)
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static FRDGBuilder* GetGraphBuilder() { return GraphBuilder; }
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static void SetGraphBuilder(FRDGBuilder* InGraphBuilder) { GraphBuilder = InGraphBuilder; }
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private:
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static FFXSHARED_API FRDGBuilder* GraphBuilder;
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#endif
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};
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extern FFXSHARED_API FfxApiSurfaceFormat GetFFXApiFormat(EPixelFormat UEFormat, bool bSRGB);
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extern FFXSHARED_API ERHIAccess GetUEAccessState(FfxResourceStates State);
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class IFFXSharedBackendModule : public IModuleInterface
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{
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public:
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virtual IFFXSharedBackend* GetBackend() = 0;
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};
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