Demand-based memory system for graphics applications

Details Demand-based memory system for graphics applications Demand-based memory system for graphics applications

2005-02-15

2005-02-15

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Memory allocation

C345S537000, C345S538000, C345S545000, C345S562000

Reexamination Certificate

active

06856320

ABSTRACT:
A memory system and methods of operating the same that drastically increase the efficiency in memory use and allocation in graphics systems. In a graphics system using a tiled architecture, instead of pre-allocating a fixed amount of memory for each tile, the invention dynamically allocates varying amounts of memory per tile depending on the demand. In one embodiment all or a portion of the available memory is divided into smaller pages that are preferably equal in size. Memory allocation is done by page based on the amount of memory required for a given tile.

REFERENCES:
patent: 6344852 (2002-02-01), Zhu et al.
patent: 6380935 (2002-04-01), Heeschen et al.
patent: 6396473 (2002-05-01), Callahan et al.

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