| 摘要 |
An image drawing apparatus includes a drawing position judging unit configured to judge a figure drawn on the scan line to be processed and extract each of vertexes constituting the judged figure, an vertex information reading unit configured to read vertex information, an image generating unit configured to generate graphics data of the scan line, and a line buffer configured to store the graphics data, wherein the vertex information reading unit includes a cache memory, a cache tag configured to store an address storing the vertex information when the vertex information is stored in the cache memory, and a control unit configured to refer to the cache tag, and read the vertex information from the address of the cache memory when the address is stored, and store the vertex information in the cache memory and store the address in the cache tag when the address is not stored. |
