Re-generating a displayed image
First Claim
Patent Images
1. A method to re-generate a displayed image comprising:
- retrieving graphic information from a first storage, the graphic-information being used by a hardware graphic controller to generate the displayed image, the first storage being accessible to a processor and the hardware graphic controller;
storing the graphic information in a second storage accessible to the processor;
retrieving the stored graphic information from the second storage; and
writing the stored graphic information to the first storage to cause the hardware graphic controller to re-generate the displayed image.
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Abstract
The present invention is a method and apparatus to re-generate a displayed image. Graphic information is retrieved from a first storage. A graphic controller uses the graphic information to generate the displayed image. The first storage is accessible to a processor and the graphic controller. The graphic information is stored in a second storage which is accessible to the processor. The stored graphic information is retrieved from the second storage. The stored graphic information is written to the first storage to cause the graphic controller to re-generate the displayed image.
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Citations
40 Claims
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1. A method to re-generate a displayed image comprising:
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retrieving graphic information from a first storage, the graphic-information being used by a hardware graphic controller to generate the displayed image, the first storage being accessible to a processor and the hardware graphic controller;
storing the graphic information in a second storage accessible to the processor;
retrieving the stored graphic information from the second storage; and
writing the stored graphic information to the first storage to cause the hardware graphic controller to re-generate the displayed image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A computer program product comprising:
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a computer usable medium having computer program code embodied therein to re-generate a displayed image, the computer program product having;
computer readable program code for retrieving graphic information from a first storage, the graphic information being used by a hardware graphic controller to generate the displayed image, the first storage being accessible to a processor and the hardware graphic controller;
computer readable program code for storing the graphic information in a second storage accessible to the processor;
computer readable program code for retrieving the stored graphic information from the second storage; and
computer readable program code for writing the stored graphic information to the first storage to cause the hardware graphic controller to re-generate the displayed image. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A computer data signal embodied in a carrier wave comprising:
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a image regeneration code segment to re-generate a displayed image, the image re-generation code segment having;
a first retrieval code segment for retrieving graphic information from a first storage, the graphic information being used by a hardware graphic controller to generate the displayed image, the first storage being accessible to a processor and the hardware graphic controller;
a store code segment for storing the graphic information in a second storage accessible to the processor;
a second retrieval code segment for retrieving the stored graphic information from the second storage; and
a write code segment for writing the stored graphic information to the first storage to cause the hardware graphic controller to re-generate the displayed image. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A system comprising:
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a processor; and
a memory coupled to the processor, the memory containing program code to re-generate a displayed image, the program code, when executed by the processor, causing the processor to;
retrieve graphic information from a first storage, the graphic information being used by a hardware graphic controller to generate the displayed image, the first storage being accessible to a processor and the hardware graphic controller, store the graphic information in a second storage accessible to the processor, retrieve the stored graphic information from the second storage, and write the stored graphic information to the first storage to cause the hardware graphic controller to re-generate the displayed image. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification