Serial rendering system with auto-synchronization on frame blank

Details Serial rendering system with auto-synchronization on frame blank Serial rendering system with auto-synchronization on frame blank

1996-05-01

1998-03-10

Tung, Kee M.

395506, 395519, 395509, G06T 100

Patent

active

057271925

ABSTRACT:
A device and method for providing a frame buffer interface to a serial rendering system which automatically synchronizes with data in the rendering path before blanking the active frame. To prevent rewriting to a frame buffer of rendered data before the current rendered data can be displayed, the disclosed embodiment provides that when the data is ready to be displayed, all further writes to the buffer are suspended, while all other accesses throughout the system are allowed to proceed. When the vblank command is received, data is passed to the display system for display, and writes to that buffer are re-enabled. When writes to a specific buffer portion are suspended, all other processes may continue independently.

REFERENCES:
patent: 5392391 (1995-02-01), Caulk, Jr. et al.
patent: 5543824 (1996-08-01), Priem et al.
Computer Graphics, V. 22, No. 4, Aug./1988, "A display System for the Stellar Graphics Super computer Model GS1000." Apgar et al.

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