Stochastic Rasterization - GPU Technology Conference 2012

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<strong>Stochastic</strong> <strong>Rasterization</strong>• The same thing, but leveraging hardware rasterization• No rays• Interactive speeds• Transparency
MSAA• Multi-Sample Anti-Aliasing— Hardware supports up to 8 samples per pixel— Spatial anti-aliasing only (triangle edges)— Not stochastic• Shade once per pixel, not once per sample— Actually once / fragment— A major performance criterion for us
Page 1 and 2: Stochastic RasterizationEric Endert
Page 4 and 5: 60 fps on Geforce GT 280
Page 8 and 9: MSAA(Kayvon Fatahalian, “Beyond P
Page 10 and 11: Motion Blur
Page 12 and 13: (2+1)D2D RasterizationGeometry Shad
Page 14 and 15: Extending an Existing RendererC++ H
Page 16 and 17: Extreme Example of z = 0 Case16
Page 18 and 19: Extreme Example of z = 0 Case18
Page 20 and 21: Integration with MSAA• Perform ra
Page 22 and 23: Multisample Rate: 1x22
Page 29 and 30: AABBConvex Hull29Sample Test Effici
Page 31 and 32: New Bounding Geometry
Page 38 and 39: Stochastic Transparency
Page 40 and 41: Order dependent
Page 42 and 43: cf. [Fuchs et al 1995]
Page 44 and 45: Stochastic TransparencyScreen-door
Page 46 and 47: (Reference)
Page 48 and 49: 16 spp
Page 50 and 51: 64 spp
Page 53 and 54: Stochastic Shadow Map• Run Stocha
Page 55 and 56: Stochastic Shadow Map• Every pixe
Page 57:
Depth-based Stochastic Transparency
Page 60 and 61:
Advanced Topics• Stratified sampl
Page 63 and 64:
Backup
Page 65:
Transparency without sortingPorter-
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Stochastic Rasterization - GPU Technology Conference 2012

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