Getting Started with DirectX Ray Tracing in Unity

Explore the experimental ray tracing features introduced in Unity 19.3 beta during this SIGGRAPH 2019 conference talk. Dive into DirectX ray tracing implementation without getting bogged down in algorithms, covering topics such as acceleration structure management, ray tracing shaders, API, authoring, and setup for HDRP. Learn about Unity DXR architecture, ray traced effects, indirect lighting, shadows, transparents, spatiotemporal sampling, denoising, and optimization techniques. Gain insights from Unity Technologies' DXR Graphics Developer Tianliang Ning in this 30-minute presentation, providing a comprehensive overview of getting started with DirectX ray tracing in Unity.

Intro
DXR Overview
Acceleration Structure Management
Ray Tracing Shaders.
Ray Tracing Shader API
Ray Tracing Shader Authoring
Surface Shader Authoring for Ray Tracing
Ray Tracing Setup for HDRP
State of Unity DXR
Architecture
Ray Traced Effects
Ray Traced Indirect Lighting
Cluster Based Light Lists
Ray Traced Shadows
Transparents
Spatiotemporal Sampling
Denoising
Optimization Knobs
Acknowledgements
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