Deferred shading graphics pipeline processor having advanced features
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United States of America Patent
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Apr 6, 2004
Issued Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Aug 20, 1998
priority date (Note) -
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Abstract
A deferred shading graphics pipeline processor and method are provided encompassing numerous substructures. Embodiments of the processor and method may include one or more of deferred shading, a tiled frame buffer, and multiple-stage hidden surface removal processing. In the deferred shading graphics pipeline, hidden surface removal is completed before pixel coloring is done. The pipeline processor comprises a command fetch and decode unit, a geometry unit, a mode extraction unit, a sort unit, a setup unit, a cull unit, a mode injection unit, a fragment unit, a texture unit, a Phong lighting unit, a pixel unit, and a backend unit.
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