08228328 is referenced by 15 patents and cites 107 patents.

The current invention involves new systems and methods for computing per-sample post-z test coverage when the memory is organized in multiple partitions that may not match the number of shaders. Shaded pixels output by the shaders can be processed by one of several z raster operations units. The shading processing capability can be configured independent of the number of memory partitions and number of z raster operations units. The current invention also involves new systems and method for using different z test modes with multiple render targets with a single or multiple memory partitions. Rendering performance may be improved by using an early z testing mode is used to eliminate non-visible samples prior to shading.

Title
Early Z testing for multiple render targets
Application Number
11/934046
Publication Number
8228328 (B1)
Application Date
November 1, 2007
Publication Date
July 24, 2012
Inventor
Adam Clark Weitkemper
Holly Springs
NC, US
Steven E Molnar
Chapel Hill
NC, US
Phillip Keslin
San Jose
CA, US
Mark J French
Raleigh
NC, US
Agent
Patterson & Sheridan
Assignee
NVIDIA Corporation
CA, US
IPC
G09G 5/37
G09G 5/36
G06T 15/40
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