Siggraph 2011: Occlusion culling in Alan Wake

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Umbra Software's Principal programmer Ari Silvennoinen discusses "Occlusion Culling in Alan Wake" as Remedy's critically-acclaimed thriller utilized Umbra's occlusion culling solution. We'd like to thank the fine gentlemen at Remedy for their help in putting together this presentation.

Transcript of Siggraph 2011: Occlusion culling in Alan Wake

  • 1.

2. Occlusion Culling in Alan Wake
Ari Silvennoinen
3. Rendering Challenges in Alan Wake
4. Introduction

  • Rendering challenges in Alan Wake

5. Large outdoor world 6. Dynamic objects 7. Local shadow rendering 8. Global shadow rendering 9. Umbra internals 10. Techniques and ideas used to tackle the rendering challenges 11. Umbra is the visibility middleware used in Alan Wake 12. Supports both hardware and software occlusion


Advanced Scenegraph Rendering Pipeline - NVIDIA...All subsequent techniques raise perf significantly scene draw time < 6 ms 1.8 ms with occlusion culling Performance baseline 21 MultiDraw

Advanced Scenegraph Rendering Pipeline - NVIDIA...All subsequent techniques raise perf significantly scene draw time < 6 ms 1.8 ms with occlusion culling Performance baseline 21 MultiDraw

A Panoramic Walkthrough System with Occlusion Cullingweb.cse.ohio-state.edu/~crawfis.3/Publications/EGVE03.pdf · culling, Mesh simplification, Virtual Walkthrough 1. Introduction:

A Panoramic Walkthrough System with Occlusion Cullingweb.cse.ohio-state.edu/~crawfis.3/Publications/EGVE03.pdf · culling, Mesh simplification, Virtual Walkthrough 1. Introduction:

Time and Space Coherent Occlusion Culling for Tileable … · Time and Space Coherent Occlusion Culling for Tileable Extended 3D Worlds Dorian Gomez 1, 2Mathias Paulin David Vanderhaeghe

Time and Space Coherent Occlusion Culling for Tileable … · Time and Space Coherent Occlusion Culling for Tileable Extended 3D Worlds Dorian Gomez 1, 2Mathias Paulin David Vanderhaeghe

Parallel Occlusion Culling for Interactive Walkthroughs using …gamma.cs.unc.edu/SWITCH/Paper/switch.pdf · 2002-05-09 · formance of the overall occlusion culling algorithm is

Parallel Occlusion Culling for Interactive Walkthroughs using …gamma.cs.unc.edu/SWITCH/Paper/switch.pdf · 2002-05-09 · formance of the overall occlusion culling algorithm is

Probabilistic Occlusion Culling using Confidence Maps for ...

Probabilistic Occlusion Culling using Confidence Maps for ...

Masked Depth Culling for Graphics Hardwarefileadmin.cs.lth.se/graphics/research/papers/2015/ZMM/zmm.pdf · occlusion culling has been presented by Aila and Miettinen [2004], and in

Masked Depth Culling for Graphics Hardwarefileadmin.cs.lth.se/graphics/research/papers/2015/ZMM/zmm.pdf · occlusion culling has been presented by Aila and Miettinen [2004], and in

Fast and Simple Occlusion Culling using Hardware-Based ... · PDF fileFast and Simple Occlusion Culling using Hardware-Based ... We are using the NVIDIA OpenGL extension ... 1

Fast and Simple Occlusion Culling using Hardware-Based ... · PDF fileFast and Simple Occlusion Culling using Hardware-Based ... We are using the NVIDIA OpenGL extension ... 1

Coherent Hierarchical Culling: Hardware Occlusion Queries Made Useful Jiri Bittner 1, Michael Wimmer 1, Harald Piringer 2, Werner Purgathofer 1 1 Vienna.

Coherent Hierarchical Culling: Hardware Occlusion Queries Made Useful Jiri Bittner 1, Michael Wimmer 1, Harald Piringer 2, Werner Purgathofer 1 1 Vienna.

1 Introduction - College of Computing & Informaticsdavid/Classes/Papers/p77-zhang.pdf · Visibility Culling using Hierarchical Occlusion Maps ... interactive walkthroughs of models

1 Introduction - College of Computing & Informaticsdavid/Classes/Papers/p77-zhang.pdf · Visibility Culling using Hierarchical Occlusion Maps ... interactive walkthroughs of models

Tighter Bounding Volumes for Better Occlusion Culling ...

Tighter Bounding Volumes for Better Occlusion Culling ...

Image Space Occlusion Culling - TAUdcor/Graphics/adv-slides/short-image-based-cullin… · occlusion map. • The occlusion map is a z-pyramid… 17 The Z-Pyramid Objects are. rendered.

Image Space Occlusion Culling - TAUdcor/Graphics/adv-slides/short-image-based-cullin… · occlusion map. • The occlusion map is a z-pyramid… 17 The Z-Pyramid Objects are. rendered.

Hierarchical Raster Occlusion Cullingcg.skku.edu/pub/papers/2021-lee-eg-hroc-slides.pdf · 2021. 4. 2. · 7 Raster Occlusion Culling (ROC) • Direct Tagging to Vis. Buffer [Kubisch

Hierarchical Raster Occlusion Cullingcg.skku.edu/pub/papers/2021-lee-eg-hroc-slides.pdf · 2021. 4. 2. · 7 Raster Occlusion Culling (ROC) • Direct Tagging to Vis. Buffer [Kubisch

Near Optimal Hierarchical Culling: Performance Driven · PDF fileNear Optimal Hierarchical Culling: Performance Driven Use of Hardware Occlusion Queries ... to avoid such problems

Near Optimal Hierarchical Culling: Performance Driven · PDF fileNear Optimal Hierarchical Culling: Performance Driven Use of Hardware Occlusion Queries ... to avoid such problems

Shark Culling

Shark Culling

Chap. 7 —Culling Culling - UBIagomes/tjv/teoricas/07-culling.pdf · Chap. 7 —Culling. Chapter 7: Culling Outline Procedurally generated model of Pompeii: ~1.4 billion polygons.

Chap. 7 —Culling Culling - UBIagomes/tjv/teoricas/07-culling.pdf · Chap. 7 —Culling. Chapter 7: Culling Outline Procedurally generated model of Pompeii: ~1.4 billion polygons.

Masked Software Occlusion Culling

Masked Software Occlusion Culling

INFOGR Computer Graphics - Utrecht University - visibility.pdf · Occlusion Culling Not rendering things that are guaranteed to be behind something else. Coverage buffer: A low-resolution

INFOGR Computer Graphics - Utrecht University - visibility.pdf · Occlusion Culling Not rendering things that are guaranteed to be behind something else. Coverage buffer: A low-resolution

10/16/2001CS 638, Fall 2001 Today Visibility –Overview –Cell-to-Cell –Cell-to-Region –Eye-To-Region –Occlusion Culling (maybe)

10/16/2001CS 638, Fall 2001 Today Visibility –Overview –Cell-to-Cell –Cell-to-Region –Eye-To-Region –Occlusion Culling (maybe)

Embarrassingly Parallel Computation for Occlusion Culling

Embarrassingly Parallel Computation for Occlusion Culling

Visibility Culling using Hierarchical Occlusion Maps Hansong Zhang, Dinesh Manocha, Tom Hudson, Kenneth E. Hoff III Presented by: Chris Wassenius.

Visibility Culling using Hierarchical Occlusion Maps Hansong Zhang, Dinesh Manocha, Tom Hudson, Kenneth E. Hoff III Presented by: Chris Wassenius.