Patent ID: 6720976
Filing Date: 2004-04-13
Classification: G06T

Abstract:
An image processing unit which executes image processing for a plurality of polygons including translucent polygons, to generate image data to be displayed, wherein color data Tn, and opacity &agr;n or transparency (1âˆ’&agr;n), are assigned to the nth polygon of the polygons sequentially arranged from the front in a display screen, comprising:a rendering processing part where the color data Tn, and opacity &agr;n or transparency (1âˆ’&agr;n), of said nth polygon are supplied sequentially from said front, and the color data Tn of the nth polygon is added to an image data Dnâˆ’1, which is provided by rendering processing up to the (nâˆ’1)th polygon, according to an accumulated opacity or transparency value Xnâˆ’1 of the (nâˆ’1) polygons positioned at the front.