发明名称 Content Protection Techniques on Heterogeneous Graphics Processing Units
摘要 The graphics co-processing technique includes receiving display operation for execution by a graphics processing unit on an unattached adapter. The display operation is split into an encrypt content by the graphics processing unit on the unattached adapter, a copy from a frame buffer of the graphics processing unit on the unattached adapter to a buffer in system memory, a copy from the buffer in system memory to a frame buffer of graphics processing unit on a primary adapter, a decrypt the encrypted content in the frame buffer of the graphics processing unit on the primary adapter, and a present from the frame buffer of the graphics processing unit on the primary adapter to a display. Execution of the copy from the frame buffer of the graphics processing unit on the unattached adapter to the buffer in system memory and the copy from the buffer in system memory to the frame buffer of the graphics processing unit on the primary adapter are synchronized.
申请公布号 US2011169844(A1) 申请公布日期 2011.07.14
申请号 US20100881409 申请日期 2010.09.14
申请人 NVIDIA CORPORATION 发明人 DIARD FRANCK;PARIKH AMIT
分类号 G06T1/00 主分类号 G06T1/00
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