Patent ID: 9665740
Date: 2017-05-30
CPC Classifications: G06F,G06T,G09G,H04N

Claim:
1. A graphics system connectable via an external bus to a computing system, the computing system including a system memory, said graphics system comprising: a) a video memory for storing data; b) a memory controller coupled to said video memory, said memory controller operative to control the flow of data to and from said video memory by receiving and handling requests to read from and write to the video memory; c) a graphics processor operative to process data received by said graphics system, data stored in said video memory and data stored in the system memory; and d) a copy engine including a decryption module, the copy engine responsive to a copy instruction including a range of addresses included in the system memory to copy data from the range of addresses included in the system memory to said video memory, said copy engine for performing said copy instruction by requesting the data from the system memory and transferring the data to said memory controller for writing to said video memory, said copy engine acting independently of both said graphics processor and said memory controller, said copy engine for: