The first part of the Introduction to new NVidia RTX graphics cards architecture and new Raytracing pipeline in DirectX12 (DXR) and Vulkan 1.2 libraries used in real-time rendering.

1. Raytracing
PART I
@jorge_magic
/in/jorgecanton

2. Origins
• Compleat Angler by Turner
Whitted (1979)
• First raytracing CGI
• Multi-bounce recursive ray tracing
• VAX 11/780
• Resolution 512x512
• Render Time: 74 min.

4. Origins
• Compleat Angler by Turner
Whitted (1979)
• First raytracing CGI
• Multi-bounce recursive ray tracing
• VAX 11/780
• Resolution 512x512
• Render Time: 74 min.

5. Raytracing in Film industry

6. Real-time render
Rasterization

7. Real-time render
Rasterization Raytracing

8. Rasterization Cullings
Frustum culling Occlusion cullingFace culling

9. Rasterization Shadows
Depth Light View Scene with ShadowsComparing depths

10. Rasterization Shadows
Percentage Closer Filtering
Poisson Sampling
Stratified Position Sampling

11. Rasterization Shadows
Cascade Shadowmap

12. Rasterization Reflections
Static Cubemaps Parallax Corrected
Cubemaps

13. Rasterization Reflections
Screen Space Reflections

14. Rasterization Reflections
Screen Space Reflections

15. SIGGRAPH 2018 Vancouver

17. RTX Architecture
PASCAL TURING
11.8 Billions xtors | 471 mm2 | 24 GB 10GHZ 18.6 Billions xtors | 754 mm2 | 48+48 GB 14GHZ

18. NVidia Graphics Cards
Quadro RTX 5000 – 2300$
Quadro RTX 6000 – 6300$
Quadro RTX 8000 – 10000$
GeForce RTX 2060 – ~400$
GeForce RTX 2070 – ~550$
GeForce RTX 2080 – ~750$
GeForce RTX 2080 Ti– ~1200$
Titan RTX – ~2800$

19. Raytracing has come to stay
DirectX (DXR) Vulkan 1.2 Metal (MPS)

20. Raytracing AMD and Intel

21. Raytracing concept

22. Raytracing concept

23. Raytracing concept

24. Raytracing concept

25. Raytracing concept

26. Raytracing concept

27. Raytracing concept

28. Raytracing materials
Lambertian
Glossy
Mirror
Dielectrics

29. Raytracing materials
Bidirectional Reflectance Distribution Function

30. Raytracing Graphics Reinvented
Rasterization pipeline
Raytracing pipeline

31. Raytracing Bounding Volume Hierarchy
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32. Raytracing Bounding Volume Hierarchy
copyright haroldserrano.com

33. Raytracing Bounding Volume Hierarchy
copyright haroldserrano.com

34. Raytracing Bounding Volume Hierarchy
copyright haroldserrano.com

35. Raytracing Bounding Volume Hierarchy
copyright haroldserrano.com

36. Raytracing Bounding Volume Hierarchy
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37. Raytracing Bounding Volume Hierarchy
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38. Raytracing Acceleration Structure
Top Level Acceleration Structure (TLAS)
Bottom Level Acceleration
Structure (BLAS)
Bottom Level Acceleration
Structure (BLAS)
Vertex & Index Buffers
Instance Buffer
Transform &
Properties
… … … …
…

40. THE END