| 摘要 |
Systems and methods for protecting display presentation information are presented. In one embodiment, graphics processing method includes receiving presentation information; performing an unauthorized display protection process; and forwarding result of the alteration in the presentation information. In one exemplary implementation the unauthorized display protection process introduces a characteristic in the graphics data signal that is compatible with an authorized display (e.g., trusted display, internal display, etc.) while distorting the graphics data signal in a manner that is not compatible with accurate presentation by an unauthorized display (e.g., untrusted display, external display, etc.). It is appreciated that a variety of characteristics that can be introduced or altered in the presentation information signal. In one embodiment, alterations are made to standard control signals (e.g., stuffing begin/end indications, blank start/end indications, reset indicators, etc.) and the alterations can create new or non-standard indications (e.g., value, character, pattern, etc.).
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