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339 lines
11 KiB
339 lines
11 KiB
#include <stdint.h>
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#include <vector>
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#include <queue>
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#include <mutex>
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#include "UnityPluginAPI/IUnityInterface.h"
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#include "UnityPluginAPI/IUnityLog.h"
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#include "UnityPluginAPI/IUnityGraphics.h"
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#include "UnityPluginAPI/IUnityRenderingExtensions.h"
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#include <d3d12.h>
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#include <dxgi.h>
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#include "UnityPluginAPI/IUnityGraphicsD3D12.h"
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#include "ffx_api/ffx_upscale.hpp"
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#include "ffx_api/dx12/ffx_api_dx12.hpp"
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#include "FSR3UnityTypes.h"
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static const int32_t BaseEventId = 0;
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static IUnityInterfaces* s_UnityInterfaces = nullptr;
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static IUnityLog* s_Log = nullptr;
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static IUnityGraphics* s_Graphics = nullptr;
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static IUnityGraphicsD3D12v7* s_GraphicsD3D12 = nullptr;
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static UnityGfxRenderer s_RendererType = kUnityGfxRendererNull;
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static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType eventType);
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static void UNITY_INTERFACE_API OnRenderEventAndData(int eventID, void* data);
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static void UNITY_INTERFACE_API OnSetTextureEvent(int eventID, void* data);
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struct FSR3Feature
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{
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ffx::Context upscalingContext;
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uint32_t upscaleSizeWidth;
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uint32_t upscaleSizeHeight;
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uint32_t flags;
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FSR3TextureTable textureTable;
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};
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static std::vector<FSR3Feature> s_Features;
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static std::queue<uint32_t> s_FeatureSlots;
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static std::mutex s_FeatureMutex;
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static ffx::CreateBackendDX12Desc s_BackendDesc{};
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// Unity plugin load event
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extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces)
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{
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s_UnityInterfaces = unityInterfaces;
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s_Log = unityInterfaces->Get<IUnityLog>();
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s_Graphics = unityInterfaces->Get<IUnityGraphics>();
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s_Graphics->RegisterDeviceEventCallback(OnGraphicsDeviceEvent);
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// Run OnGraphicsDeviceEvent(initialize) manually on plugin load
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// to not miss the event in case the graphics device is already initialized
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OnGraphicsDeviceEvent(kUnityGfxDeviceEventInitialize);
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}
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// Unity plugin unload event
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extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginUnload()
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{
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s_Graphics->UnregisterDeviceEventCallback(OnGraphicsDeviceEvent);
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}
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static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType eventType)
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{
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switch (eventType)
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{
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case kUnityGfxDeviceEventInitialize:
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{
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s_RendererType = s_Graphics->GetRenderer();
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if (s_RendererType != kUnityGfxRendererD3D12)
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return;
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s_GraphicsD3D12 = s_UnityInterfaces->Get<IUnityGraphicsD3D12v7>();
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if (s_GraphicsD3D12 == nullptr)
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{
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UNITY_LOG_ERROR(s_Log, "Could not obtain D3D12 Graphics interface!");
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return;
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}
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break;
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}
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case kUnityGfxDeviceEventShutdown:
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{
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s_GraphicsD3D12 = nullptr;
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s_RendererType = kUnityGfxRendererNull;
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break;
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}
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case kUnityGfxDeviceEventBeforeReset:
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{
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break;
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}
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case kUnityGfxDeviceEventAfterReset:
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{
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break;
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}
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};
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}
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// Thread-safe allocation of FSR3 feature slot
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static uint32_t AllocateFeatureSlot()
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{
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std::lock_guard<std::mutex> lock(s_FeatureMutex);
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if (s_FeatureSlots.empty())
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{
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uint32_t featureSlot = (uint32_t)s_Features.size();
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s_Features.push_back(std::move(FSR3Feature()));
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return featureSlot;
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}
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uint32_t featureSlot = s_FeatureSlots.front();
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s_FeatureSlots.pop();
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return featureSlot;
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}
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// Thread-safe freeing and clearing of FSR3 feature slot
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static void FreeFeatureSlot(uint32_t featureSlot)
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{
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std::lock_guard<std::mutex> lock(s_FeatureMutex);
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s_FeatureSlots.push(featureSlot);
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memset(&s_Features[featureSlot], 0, sizeof(FSR3Feature));
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}
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extern "C" bool UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_InitApi()
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{
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if (s_GraphicsD3D12 == nullptr)
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return false;
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ID3D12Device* device = s_GraphicsD3D12->GetDevice();
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if (device == nullptr)
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return false;
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s_BackendDesc.device = device;
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return true;
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}
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extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_ShutdownApi()
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{
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// TODO: destroy any remaining FSR3Features?
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s_BackendDesc.device = nullptr;
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}
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extern "C" uint32_t UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetDeviceVersion()
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{
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return 0x0u;
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}
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extern "C" UnityRenderingEventAndData UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetRenderEventCallback()
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{
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return OnRenderEventAndData;
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}
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extern "C" UnityRenderingEventAndData UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetSetTextureEventCallback()
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{
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return OnSetTextureEvent;
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}
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extern "C" uint32_t UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_CreateFeatureSlot()
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{
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return AllocateFeatureSlot();
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}
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extern "C" float UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetUpscaleRatioFromQualityMode(FSR3Quality qualityMode)
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{
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switch (qualityMode)
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{
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case FSR3Quality::qQuality:
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return 1.5f;
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case FSR3Quality::qBalanced:
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return 1.7f;
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case FSR3Quality::qPerformance:
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return 2.0f;
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case FSR3Quality::qUltraPerformance:
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return 3.0f;
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default:
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return 1.0f;
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}
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}
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extern "C" bool UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetRenderResolutionFromQualityMode(FSR3Quality qualityMode, uint32_t displayWidth, uint32_t displayHeight, uint32_t* renderWidth, uint32_t* renderHeight)
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{
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if (renderWidth == nullptr || renderHeight == nullptr)
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return false;
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float ratio = AMDUP_GetUpscaleRatioFromQualityMode(qualityMode);
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*renderWidth = (uint32_t)roundf(displayWidth / ratio);
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*renderHeight = (uint32_t)roundf(displayHeight / ratio);
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return true;
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}
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extern "C" int32_t UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API AMDUP_GetBaseEventId()
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{
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return BaseEventId;
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}
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// Plugin function to handle a specific rendering event
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static void UNITY_INTERFACE_API OnRenderEventAndData(int eventID, void* data)
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{
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if (s_GraphicsD3D12 == nullptr || s_BackendDesc.device == nullptr)
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return;
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// User rendering code
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switch (eventID)
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{
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case BaseEventId + FSR3PluginEvent::eDestroyFeature:
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{
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uint32_t featureSlot = (uint32_t)(int64_t)data;
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if (featureSlot < 0 || featureSlot >= s_Features.size())
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return;
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auto& feature = s_Features[featureSlot];
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ffx::DestroyContext(feature.upscalingContext);
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FreeFeatureSlot(featureSlot);
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break;
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}
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case BaseEventId + FSR3PluginEvent::eExecute:
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{
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auto* params = (FSR3CommandExecutionData*)data;
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if (params->featureSlot < 0 || params->featureSlot >= s_Features.size())
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return;
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auto& feature = s_Features[params->featureSlot];
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UnityGraphicsD3D12RecordingState state;
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s_GraphicsD3D12->CommandRecordingState(&state);
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ffx::DispatchDescUpscale dispatchUpscale{};
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dispatchUpscale.commandList = state.commandList;
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dispatchUpscale.color = ffxApiGetResourceDX12(feature.textureTable.colorInput, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.depth = ffxApiGetResourceDX12(feature.textureTable.depth, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.motionVectors = ffxApiGetResourceDX12(feature.textureTable.motionVectors, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.exposure = ffxApiGetResourceDX12(feature.textureTable.exposureTexture, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.reactive = ffxApiGetResourceDX12(feature.textureTable.reactiveMask, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.transparencyAndComposition = ffxApiGetResourceDX12(feature.textureTable.transparencyMask, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ);
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dispatchUpscale.output = ffxApiGetResourceDX12(feature.textureTable.colorOutput, FFX_API_RESOURCE_STATE_PIXEL_COMPUTE_READ); // TODO: shouldn't this be FFX_API_RESOURCE_STATE_UNORDERED_ACCESS?
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dispatchUpscale.jitterOffset.x = params->jitterOffsetX;
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dispatchUpscale.jitterOffset.y = params->jitterOffsetY;
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dispatchUpscale.motionVectorScale.x = params->MVScaleX;
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dispatchUpscale.motionVectorScale.y = params->MVScaleY;
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dispatchUpscale.reset = params->reset;
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dispatchUpscale.enableSharpening = params->enableSharpening;
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dispatchUpscale.sharpness = params->sharpness;
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dispatchUpscale.frameTimeDelta = params->frameTimeDelta;
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dispatchUpscale.preExposure = params->preExposure;
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dispatchUpscale.renderSize.width = params->renderSizeWidth;
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dispatchUpscale.renderSize.height = params->renderSizeHeight;
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dispatchUpscale.upscaleSize.width = feature.upscaleSizeWidth;
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dispatchUpscale.upscaleSize.height = feature.upscaleSizeHeight;
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dispatchUpscale.cameraFovAngleVertical = params->cameraFovAngleVertical;
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// TODO: it's possible that Unity already does this flip, check!
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if (feature.flags & FFX_UPSCALE_ENABLE_DEPTH_INVERTED)
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{
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dispatchUpscale.cameraFar = params->cameraNear;
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dispatchUpscale.cameraNear = params->cameraFar;
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}
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else
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{
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dispatchUpscale.cameraFar = params->cameraFar;
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dispatchUpscale.cameraNear = params->cameraNear;
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}
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ffx::Dispatch(feature.upscalingContext, dispatchUpscale);
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break;
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}
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case BaseEventId + FSR3PluginEvent::ePostExecute:
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{
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auto* params = (FSR3CommandExecutionData*)data;
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break;
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}
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case BaseEventId + FSR3PluginEvent::eInit:
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{
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auto* params = (FSR3CommandInitializationData*)data;
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if (params->featureSlot < 0 || params->featureSlot >= s_Features.size())
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return;
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auto& feature = s_Features[params->featureSlot];
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feature.upscaleSizeWidth = params->displaySizeWidth;
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feature.upscaleSizeHeight = params->displaySizeHeight;
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feature.flags = params->flags;
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ffx::CreateContextDescUpscale createUpscaling;
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createUpscaling.maxUpscaleSize = { params->displaySizeWidth, params->displaySizeHeight };
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createUpscaling.maxRenderSize = { params->maxRenderSizeWidth, params->maxRenderSizeHeight };
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createUpscaling.flags = params->flags;
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ffx::CreateContext(feature.upscalingContext, nullptr, createUpscaling, s_BackendDesc);
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break;
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}
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}
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}
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static void UNITY_INTERFACE_API OnSetTextureEvent(int eventID, void* data)
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{
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if (s_GraphicsD3D12 == nullptr)
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return;
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auto* params = (UnityRenderingExtTextureUpdateParamsV2*)data;
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uint32_t featureSlot = (params->userData >> 16) & 0xFFFF;
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uint32_t textureSlot = (params->userData >> 1) & 0x7FFF;
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uint32_t clearTextureTable = params->userData & 0x1;
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if (featureSlot < 0 || featureSlot >= s_Features.size())
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return;
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auto& feature = s_Features[featureSlot];
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// User rendering code
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switch (eventID)
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{
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case kUnityRenderingExtEventUpdateTextureBeginV2:
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{
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if (clearTextureTable)
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{
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memset(&feature.textureTable, 0, sizeof(FSR3TextureTable));
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}
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break;
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}
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case kUnityRenderingExtEventUpdateTextureEndV2:
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{
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// We organized the texture table struct to be ordered the same as the texture slot enum
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// This way we can use the texture slot value simply as a pointer offset into the texture table
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*(((ID3D12Resource**)&feature.textureTable) + textureSlot) = s_GraphicsD3D12->TextureFromNativeTexture((UnityTextureID)params->textureID);
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break;
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}
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}
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}
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