Increased scalability in the fragment shading pipeline

Details Increased scalability in the fragment shading pipeline Increased scalability in the fragment shading pipeline

2007-05-15

2007-05-15

Shankar, Vijay (Department: 2629)

Computer graphics processing and selective visual display system

Data responsive crt display control

Graphic display

C345S022000, C345S426000, C345S441000

Reexamination Certificate

active

10940070

ABSTRACT:
A fragment processor includes a fragment shader distributor, a fragment shader collector, and a plurality of fragment shader pipelines. Each fragment shader pipeline executes a fragment shader program on a segment of fragments. The plurality of fragment shader pipelines operate in parallel, executing the same or different fragment shader programs. The fragment shader distributor receives a stream of fragments from a rasterization unit and dispatches a portion of the stream of fragments to a selected fragment shader pipeline until the capacity of the selected fragment shader pipeline is reached. The fragment shader distributor then selects another fragment shader pipeline. The capacity of each of the fragment shader pipelines is limited by several different resources. As the fragment shader distributor dispatches fragments, it tracks the remaining available resources of the selected fragment shader pipeline. A fragment shader collector retrieves processed fragments from the plurality of fragment shader pipelines.

REFERENCES:
patent: 2004/0207623 (2004-10-01), Isard et al.
patent: 2006/0094963 (2006-05-01), Sumanaweera et al.
patent: 2006/0225061 (2006-10-01), Ludwig et al.
patent: 2007/0018990 (2007-01-01), Shreiner

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