Invention Grant
US09230518B2 Fault-tolerant preemption mechanism at arbitrary control points for graphics processing 有权
用于图形处理的任意控制点的容错抢占机制

Fault-tolerant preemption mechanism at arbitrary control points for graphics processing
Abstract:
This disclosure presents techniques and structures for preemption at arbitrary control points in graphics processing. A method of graphics processing may comprise executing commands in a command buffer, the commands operating on data in a read-modify-write memory resource, double buffering the data in the read-modify-write memory resource, such that a first buffer stores original data of the read-modify-write memory resource and a second buffer stores any modified data produced by executing the commands in the command buffer, receiving a request to preempt execution of the commands in the command buffer before completing all commands in the command buffer, and restarting execution of the commands at the start of the command buffer using the original data in the first buffer.
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