Patent ID: 8120620
Filing Date: 2012-02-21
Classification: G06T,G09G

Abstract:
1. A graphics system that performs a process of multiple drawing in which identical drawing subjects are drawn offset by a prescribed distance, comprising: frame buffer clipping frame data storage means for storing frame buffer clipping frame data defining a clipping frame of a frame buffer; offset data storage means for storing offset data defining an offsetting direction and an offsetting amount of the drawing subject; stencil buffer clipping frame data storage means for storing stencil buffer clipping frame data defining a clipping frame that is a clipping frame of a stencil buffer and that is larger than the clipping frame of the frame buffer; position data storage means for storing position data of a position functioning as a reference basing point, on the stencil buffer, for drawing the non-offset drawing subject or the offset drawing subject onto the frame buffer; first drawing means for drawing a masking determination result of a pixel relating to the drawing subject onto the stencil buffer on the basis of the drawing subject and the stencil buffer clipping frame data; and second drawing means for drawing the non-offset drawing subject or the offset drawing subject onto the frame buffer by referring to the stencil buffer onto which the first drawing means drew the subject, the position data, and the frame buffer clipping frame data.