Low resolution graphics mode support using window descriptors
First Claim
Patent Images
1. A method comprising:
- generating one or more window descriptors for representing a graphics pixel map, the one or more window descriptors including a parameter that determines a memory spacing between scan lines of the graphics pixel map; and
processing said one or more window descriptors to generate a processed output that conforms to a native resolution of a display.
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Abstract
Herein described is a method and system of displaying low resolution graphics onto a high resolution display. The low resolution graphics may be displayed using one or more displayable maps or surfaces, each of which is defined by way of one or more parameters. The display may comprise a monitor, television set, or set top box, capable of displaying at a particular resolution. In one or more representative embodiments, the various aspects of the invention permit scaling the low resolution graphics onto the high resolution display by way of using the one or more displayable maps or surfaces such that the graphics data is properly displayed on the higher resolution display.
297 Citations
26 Claims
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1. A method comprising:
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generating one or more window descriptors for representing a graphics pixel map, the one or more window descriptors including a parameter that determines a memory spacing between scan lines of the graphics pixel map; and processing said one or more window descriptors to generate a processed output that conforms to a native resolution of a display. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a circuitry for performing horizontal and vertical scaling of pixel data; a data bus; a memory; and a processor used to execute one or more instructions stored in said memory, said memory storing one or more window descriptors used by said circuitry for displaying a graphics surface having a first resolution onto a display having a second resolution, the one or more window descriptors including a parameter that determines a memory spacing between scan lines of the graphics surface, wherein said circuitry, said memory, and said processor are communicatively coupled by way of said data bus. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 24)
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18. A system comprising:
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means for generating one or more window descriptors for representing a graphics pixel map, the one or more window descriptors including a parameter that determines a memory spacing between scan lines of the graphics pixel map; and means for processing said one or more window descriptors to generate a processed output that conforms to a native resolution of said display. - View Dependent Claims (19, 20, 21, 22, 23, 25, 26)
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Specification