Partial texture loads

Details Partial texture loads Partial texture loads

2004-12-13

2009-10-27

Nguyen, Hau H (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphic processing system

Graphic command processing

C345S552000, C345S582000

Reexamination Certificate

active

07609272

ABSTRACT:
Circuits, methods, and apparatus that provide for partial texture load instructions. Instead of one instruction that may take several shader passes to complete, several instructions are issued, where each instruction is an instruction to retrieve a part or portion of a texture. While each instruction is performed, the other shader circuits can perform other instructions, thus increasing the utilization of the shader circuits when large textures are read from memory. Since several shader passes may be required to read a texture, if a particular instruction needs the texture, one exemplary embodiment reorders instructions such that other instructions are performed before the particular instruction that needs the texture.

REFERENCES:
patent: 6088701 (2000-07-01), Whaley et al.
patent: 6104415 (2000-08-01), Gossett
patent: 6972769 (2005-12-01), Nebeker et al.
patent: 7027062 (2006-04-01), Lindholm et al.
patent: 7245302 (2007-07-01), Donham et al.
patent: 2003/0009748 (2003-01-01), Glanville et al.

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