| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data processing device capable of reducing processing bubbles in processing pipelines. <P>SOLUTION: A graphics processing unit includes a texture pipeline 6 having a first pipeline portion 18 and a second pipeline portion 20. A subject instruction within the first pipeline portion 18 is recirculated within the first pipeline portion 18 until descriptor data to be loaded from a memory by that subject instruction is stored within a shared descriptor cache. When the descriptor has been stored within the shared cache, the subject instruction is passed to the second pipeline portion 20 where further processing operations are performed, and is recirculated until the further processing operations are complete. The descriptor data is locked within the shared descriptor cache until there are no pending subject instructions within the texture pipeline 6 required for use of the descriptor data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
