Importance

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Abstract

A system and method for processing and rendering multiple layers of a two-dimensional scene. A system provides a mechanism to determine a number of scene surfaces and a mapping between scene layers and scene surfaces. The mechanisms may include combining and aggregating areas of layers to create one opaque surface, aggregating non-overlapping semi-transparent opaque areas of layers, or creating surfaces from overlapping semi-transparent surfaces. Moving objects are accommodated, so that layers below a moving object may be rendered properly in frames where the moving object is above the layer and frames where the moving object is not above the layer, for each pixel.

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First Claim