Hardware corrected software vertex shader

Details Hardware corrected software vertex shader Hardware corrected software vertex shader

2006-10-17

2010-10-19

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S503000, C712S028000, C712S032000

Reexamination Certificate

active

07817151

ABSTRACT:
This invention discloses a method for executing vertex shader in a computer system, the method comprising running software vertex shader for a predetermined vertex shader command in a CPU thread when a GPU is overloaded by vertex shader execution, buffering the output of the software vertex shader, running hardware vertex shader for z-values of the vertex shader command, and replacing z-values from the software vertex shader with the z-values from the hardware vertex shader, wherein the vertex shader overloading can be lessoned yet the vertex shader z-values are consistently transformed by the hardware vertex shader.

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