Parallel rendering: Difference between revisions

Revision as of 17:07, 30 December 2006

Revision as of 03:22, 1 March 2007

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===Sort-first===

[[Image:Sort_first_example.PNG|right|thumb|Example of sort-first rendering.]]

Sort-first rendering decomposes the final view in screen space, that is, each contributor renders a 2D tile of the final view.<ref>Molnar, S., M. Cox, D. Ellsworth, and H. Fuchs. “A Sorting Classification of Parallel

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===Sort-last===

[[Image:Sort_last_example.PNG|right|thumb|Example of sort-last rendering.]]

Sort-last rendering on the other hand decomposes the rendered database across all rendering units, and recombines the partially rendered frames. This modes scales the rendering very well, but the recomposition step is expensive due to the amount of pixel data processed during recomposition.