Patent ID: 6819330
Filing Date: 2004-11-16
Classification: G06F,G06T,G09G,H04N

Abstract:
A method of processing graphics data in a display engine that processes graphics images formatted in a plurality of formats including a color look up table (CLUT) format, the method comprising the steps of:generating a plurality of common data structures, said common data structures comprising at least one data structure that describes graphics contents of a window and at least one data structure that provides an indicator to load a CLUT, said common data structures being in a sequence; processing the common data structures to determine which ones of the common data structures describe graphics contents of a window and which ones of the common data structures provide an indicator to load the CLUT; and loading conversion data into the CLUT in response to the indicator to load the CLUT, the CLUT-formatted data capable of being applied to the conversion data as an address to access graphics data having different data format, wherein the data structures for providing an indicator to load the CLUT can appear anywhere in the sequence, and a whole scan line time is allowed for loading the CLUT in consideration that it generally takes longer to load the CLUT than time available in a horizontal blanking interval.