Memory Management for Multicore 3-D Graphics Rendering
卷宗概要
发明人
Michael John Livesley
IPC 分类
CPC 分类
A multicore graphics rendering system includes a plurality of cores configured to implement tile-based rendering of a stream of primitives. The graphics rendering system uses at least one virtualised memory space. A hierarchical index is provided, to index the physical memory portions associated with virtual memory portions in the at least one virtualised memory space. The portions of memory allocated for the hierarchical index are recorded in an MMU (memory management unit) list (MLIST). The MLIST comprises a plurality of entries, each entry being associated with a respective portion of the hierarchical index, wherein each entry includes an indication of the portion of virtual memory that is indexed by that portion of the hierarchical index. The MLIST is used to identify, and free, portions of memory associated with indexing virtual memory that has been fully consumed in a partial render.
原文（中文）
A multicore graphics rendering system includes a plurality of cores configured to implement tile-based rendering of a stream of primitives. The graphics rendering system uses at least one virtualised memory space. A hierarchical index is provided, to index the physical memory portions associated with virtual memory portions in the at least one virtualised memory space. The portions of memory allocated for the hierarchical index are recorded in an MMU (memory management unit) list (MLIST). The MLIST comprises a plurality of entries, each entry being associated with a respective portion of the hierarchical index, wherein each entry includes an indication of the portion of virtual memory that is indexed by that portion of the hierarchical index. The MLIST is used to identify, and free, portions of memory associated with indexing virtual memory that has been fully consumed in a partial render.