Ray Tracing Gems

Part 1: Ray Tracing Basics
1. Ray Tracing Terminology
2. What is a Ray?
3. Introduction to DirectX Raytracing
4. A Planetarium Dome Master Camera
5. Computing Minima and Maxima of Subarrays

Part 2: Intersections and Efficiency
6. A Fast and Robust Method for Avoiding Self-Intersection
7. Precision Improvements for Ray/Sphere Intersection
8. Cool Patches: A Geometric Approach to Ray/Bilinear Patch Intersections
9. Multi-Hit Ray Tracing in DXR
10. A Simple Load-Balancing Scheme with High Scaling Efficiency

Part 3: Reflections, Refractions, and Shadows
11. Automatic Handling of Materials in Nested Volumes
12. A Microfacet-Based Shadowing Function to Solve the Bump Terminator Problem
13. Ray Traced Shadows: Maintaining Real-Time Frame Rates
14. Ray-Guided Volumetric Water Caustics in Single Scattering Media with DXR

Part 4: Sampling
15. On the Importance of Sampling
16. Sample Transformations Zoo
17. Ignoring the Inconvenient When Tracing Rays
18. Importance Sampling of Many Lights on the GPU

Part 5: Denoising and Filtering
19. Cinematic Rendering in UE4 with Real-Time Ray Tracing and Denoising
20. Texture Level of Detail Strategies for Real-Time Ray Tracing
21. Simple Environment Map Filtering Using Ray Cones and Ray Differentials
22. Improving Temporal Antialiasing with Adaptive Ray Tracing

Part 6: Hybrid Approaches and Systems
23. Interactive Light Map and Irradiance Volume Preview in Frostbite
24. Real-Time Global Illumination with Photon Mapping
25. Hybrid Rendering for Real-Time Ray Tracing
26. Deferred Hybrid Path Tracing
27. Interactive Ray Tracing Techniques for High-Fidelity Scientific Visualization

Part 7: Global Illumination
28. Ray Tracing Inhomogeneous Volumes
29. Efficient Particle Volume Splatting in a Ray Tracer
30. Caustics Using Screen Space Photon Mapping
31. Variance Reduction via Footprint Estimation in the Presence of Path Reuse
32. Accurate Real-Time Specular Reflections with Radiance Caching