Culling the Battlefield - Dice

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Overview ›Background ›Why rewrite it ›Requirements ›Target hardware ›Details ›Software Occlusion ›Conclusion Tuesday, March 8, 2011
Background of <strong>the</strong> old culling ›Hierarchical Sphere Trees ›StaticCullTree ›DynamicCullTree Tuesday, March 8, 2011
Page 1: Culling the Battlefield Daniel Coll
Page 5 and 6: Why rewrite it ›DynamicCullTree s
Page 7 and 8: Requirements for new system ›Bett
Page 9 and 10: What doesn’t work well on these s
Page 11 and 12: The new culling ›Our worlds usual
Page 13 and 14: Tuesday, March 8, 2011 The new cull
Page 15 and 16: Details of the new culling ›Impro
Page 17 and 18: Adding objects • Pre-allocated ar
Page 19 and 20: Removing objects ›Use the “swap
Page 21 and 22: Culling code while (1) { uint bloc
Page 23 and 24: Tuesday, March 8, 2011
Page 25 and 26: Intersection Code LHS! LHS! LHS! bo
Page 27 and 28: Intersection Code ›How can we imp
Page 29 and 30: Rearrange the frustum planes Plane
Page 31 and 32: New intersection code (1/4) Vec pos
Page 33 and 34: New intersection code (3/4) Vec pos
Page 35 and 36: SPU Pipelining Assembler (SPA) ›L
Page 37 and 38: SPA Inner loop # Loop stats - frust
Page 39 and 40: Additional culling ›Frustum vs AA
Page 41 and 42: Software Occlusion ›Used in Frost
Page 43 and 44: Software Occlusion ›So how does i
Page 45 and 46: Tuesday, March 8, 2011 Software Occ
Page 47 and 48: Tuesday, March 8, 2011 Software Occ
Page 49 and 50: Culling jobs Culling Jobs Job 0 Occ
Page 51 and 52: Occluder triangles Rasterize Triang
Page 53 and 54:
Conclusion ›Accurate and high per
Page 55:
Questions Email: daniel@collin.com
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Culling the Battlefield - Dice

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