Patent ID: 6781590
Filing Date: 2004-08-24
Classification: G06T,G09G

Abstract:
A graphic processing system comprising:a main memory; a graphic memory holding graphic data; a graphic processor which is connected to said graphic memory and generates graphic data to be written into said graphic memory; a first signal line connected to said main memory to transfer data between said main memory and said graphic processor; a second signal line connected to said graphic processor; and a switch provided between said first signal line and said second signal line, wherein said graphic processor comprises: at least a control unit which generates a control signal for controlling said switch thereby causing said switch to select one of said first signal line and said second signal line, and a color register holding color data, wherein the control signal generated by said control unit is provided to said switch to read out data stored in said main memory and designate one among the color data held in said color register in accordance with the contents of the read-out data, and write the designated color data into said graphic memory.