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Ray tracing (光跡追蹤) Ray tracing 官方介紹 UE4的Ray tracing(後簡稱RT)，分為"Ray Tracer" & "Path Tracer"兩部分，Ray Tracer用於計算彈跳後光線渲染之最終像素顏色，Path Tracer作為其配套工具，漸進式生成"地面真實資訊參考" (Ground Truth)，由於其公正客觀的特性，適合與ray tracing比較，便於美術與程式疊代修改參考。 System Requirements Operating System : Windows 10 RS5 (Build 1809) or later GPU : NVIDIA RTX and some GTX series cards with DXR support using the latest device drivers. [ detail ] Unreal Engine Version : 4.22 or Later Enabling DX12 and Ray Tracing Project Settings > Platforms >Windows > Default RHI = DirectX 12 Project Settings > Engine > Rendering > Ray Tracing = true Ray tracing priority [importance level] (效果與成本綜合考量) r.RayTracing.Reflections [4] r.RayTracing.Shadows [3] r.RayTracing.Translucency [3] r.RayTracing.GlobalIllumination [3] r.RayTracing.AmbientOcclusion [3] r.RayTracing.StochasticRectLight [2] r.RayTracing.SkyLight [2] r.RayTracing.InstancedStaticMeshes [1] r.RayTracing.Landscape

Pixel streaming 前置準備 Prerequisites Check your OS and hardware Supported Graphics Hardware NVIDIA Hardware-Accelerated Video Encoding (NVENC) AMD Advanced Media Framework (AMF) Supported Operating Systems Windows 8, Windows 10 Supported Client Browsers Google Chrome, Mozilla Firefox, Apple Safari Install node.js UE4 Setup Enabled plugin - pixel streaming Packaging unreal engine application Create a link and add launch parameters -AudioMixer -PixelStreamingIP=localhost -PixelStreamingPort=8888, and run it Run ...\Engine\Source\Programs\PixelStreaming\WebServers\SignallingWebServer\run.bat Open a web browser and navigate to http://127.0.0.1 connect to signaling server 使用UE4.24版本 延伸研究 Pixel Streaming 官方介紹 UE4像素流應用在公有雲上的快速部署指南