DirectX 11 Overview - Nvidia

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Outline: Multithreading • Why DirectX 11? • Direct Compute • Tessellation • Multithreaded Command Buffers • Dynamic Shader Linking • New texture compression formats • Read-only depth, conservative oDepth, …
Motivation - Multithreading • In previous Direct3D versions, multithreaded rendering not really possible — Device access restricted to one thread unless you force brute force thread safety — Difficult to spread driver / runtime load over many cpu cores • Ideally, you’d like threads for: — Asynchronous resource loading / creation — Parallel render list creation • Direct3D 11 supports both of these
Page 1 and 2:
DirectX 11 Overview Cem Cebenoyan |
Page 3 and 4:
Outline - Why DirectX 11? • Why D
Page 5 and 6:
Outline - DirectCompute • Why Dir
Page 7 and 8: Outline - Tessellation • Why Dire
Page 9 and 10: © Bay Raitt © Kenneth Scott, id S
Page 11 and 12: Motivation - Scalability • Contin
Page 13 and 14: Motivation - Animation & Simulation
Page 15 and 16: Tessellation Pipeline • Hull Shad
Page 17 and 18: Vertex Shader • Transforms patch
Page 19 and 20: Tessellator (TS) • Fixed function
Page 21 and 22: Tessellator (TS) Left = 3.5 Right =
Page 23 and 24: Example - PN Triangles • Simple t
Page 25 and 26: PN Triangles - Position Control Poi
Page 27 and 28: PN Triangles - Normals • Normal a
Page 29 and 30: Hull Shader Stages • Main Hull Sh
Page 31 and 32: PN Triangles - Hull Shader • Part
Page 33 and 34: PN Triangles - Hull Shader [domain(
Page 35 and 36: Tessellation Pipeline HS input: •
Page 37 and 38: Terrain Tessellation
Page 39 and 40: Screen-space-based LOD (Hull shader
Page 41 and 42: Screen-space-based LOD Results
Page 43 and 44: Non-uniform Patches • Max tessell
Page 45 and 46: Data Problems • Large world, say
Page 47 and 48: Data Solution: Fractal “Amplifica
Page 49 and 50: Fractal “Amplification” - Resul
Page 55 and 56: Fractal “Amplification” - Limit
Page 57: Tessellation Shading • Tessellati
Page 61 and 62: Async Loading • Previously, D3D r
Page 63 and 64: Multithreading - Contexts Thread 0
Page 65 and 66: Deferred Contexts - Tips • Deferr
Page 67 and 68: Dynamic Shader Linking - Motivation
Page 69 and 70: Dynamic Shader Linking • Dynamic
Page 71 and 72: Outline - New Texture Compression
Page 73 and 74: BC6H Compression Quality • Object
Page 75 and 76: Texture Compression - BC7 Orig BC3
Page 77 and 78: Read-Only Depth - Motivation • In
Page 79 and 80: Read-Only Depth - Applications •
Page 81 and 82: Conservative oDepth • Two new sys
Page 83: Questions? cem@nvidia.com
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DirectX 11 Overview - Nvidia

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