Multi-buffer support for off-screen surfaces in a graphics...

G - Physics – 09 – G

Patent

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G09G 5/399 (2006.01)

Patent

CA 2711583

In general, the present disclosure describes various techniques for providing multi-buffer support for off-screen surfaces in a graphics system. One example device includes one or more buffer areas and one or more processors. The one or more processors are configured to allocate multiple buffers within the buffer space that are all associated with an off-screen surface using in graphics processing. The one or more processors are further configured to identify a first buffer within the buffers as a write buffer for the off-screen surface and to further identify a second buffer within the buffers as a read buffer for the off-screen surface, such that information relating to the off-screen surface is written into the first buffer during a write operation and information relating to the off-screen surface is read out of the second buffer during a read operation.

L'invention concerne, d'une manière générale, diverses techniques pour fournir un support multitampon pour des surfaces hors écran dans un système graphique. Un exemple de dispositif inclut une ou plusieurs zones tampons et un ou plusieurs processeurs. Le ou les processeurs sont configurés pour attribuer des tampons multiples dans l'espace de tampon qui sont tous associées à une surface hors écran en utilisant un traitement graphique. Le ou les processeurs sont en outre configurés pour identifier un premier tampon dans les tampons comme un tampon d'écriture pour la surface hors écran et pour identifier en outre un second tampon dans les tampons comme un tampon de lecture pour la surface hors écran, de telle sorte que des informations liées à la surface hors écran sont écrites dans le premier tampon pendant une opération d'écriture et des informations liées à la surface hors écran sont lues du second tampon pendant une opération de lecture.

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