System and method for merging pixel fragments based on depth range values
First Claim
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1. A method for merging a new fragment with an existing fragment, comprising the steps of:
- determining a depth range for the new fragment;
comparing said depth range for the new fragment with a depth range of the existing fragment to determine whether said depth range for the new fragment overlaps said depth range of the existing fragment; and
merging the new fragment with the existing fragment if said depth range for the new fragment overlaps said depth range of the existing fragment.
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Abstract
A system and method for merging received pixel fragments with an existing fragment compares a depth range for the received fragment with a depth range for the existing fragment. If there is a range overlap, the new fragment is merged with the existing fragment for which there is overlap. If there is no range overlap, the new fragment is discarded. The merge operation can be performed for fragments received for a single surface, such as the nearest surface. Alternatively, the merge operation can be performed for fragments received for a plurality of surfaces.
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Citations
25 Claims
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1. A method for merging a new fragment with an existing fragment, comprising the steps of:
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determining a depth range for the new fragment; comparing said depth range for the new fragment with a depth range of the existing fragment to determine whether said depth range for the new fragment overlaps said depth range of the existing fragment; and merging the new fragment with the existing fragment if said depth range for the new fragment overlaps said depth range of the existing fragment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system for rendering an image, comprising:
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means for determining a depth range of a new fragment generated by a processor; means for comparing said depth range of said new fragment with a depth range of an existing fragment; and means for merging said new fragment with said existing fragment if said depth range of said new fragment overlaps said depth range of said existing fragment. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification