Pixel reordering for improved texture mapping

G - Physics – 09 – G

Patent

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G09G 5/04 (2006.01) G06T 15/10 (2006.01)

Patent

CA 2275237

A system and method for reordering memory references for pixels to improved bandwidth and performance in texture mapping systems and other graphics systems by improving memory locality in conventional page-mode memory systems. Pixel memory references are received from a client graphics engine and placed in a pixel priority heap (202). The pixel priority heap (202) reorders the pixel memory references so that references requiring a currently open page are, in general, processed before references that require page breaks. Reordered pixel memory references are transmitted to a memory controller (204) for accessing memory (205, 207).

L'invention porte sur un système et un procédé de réorganisation des références mémoire des pixels pour améliorer la largeur de bande et les performances de systèmes de texturage et autres systèmes graphiques par amélioration de la localisation des mémoires dans des systèmes classiques de mémoires en mode page. Les références mémoire des pixels sont reçues d'un moteur graphique client et placées dans une pile (202) de priorité de pixels (202). Ladite pile (202) réorganise les références mémoire des pixels de manière à ce que les références demandant une pleine page actuellement ouverte soient en général traitées avant celles demandant des sauts de page.

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