Efficient image allocation for zone rendering

Details Efficient image allocation for zone rendering Efficient image allocation for zone rendering

2005-04-19

2005-04-19

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S622000, C345S623000, C345S625000, C345S628000, C345S642000, C382S173000

Reexamination Certificate

active

06882349

ABSTRACT:
Embodiments of the present invention efficiently support rendering of high resolution images under zone rendering. In particular, a bin array rectangle and binner clipping rectangle for determining primitive-zone intersections. Both of these rectangles are defined by graphics device state variables containing the screen-space location of the rectangle corners. In particular, the binner clipping rectangle is used to define the visible region in screen coordinates. Objects completely outside the binner clipping rectangle in one or more directions will be discarded. Objects that cannot be trivially rejected are subjected to bin determination. The bin array rectangle handles color buffer resolutions larger than could otherwise be accommodated by the optimally-renderer image limits.

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