Importance

Loading Importance Indicators...

Abstract

A method and apparatus for multipass pixel processing is presented. A command stream that includes a plurality of drawing commands is received where multipass drawing commands included in the stream include a number of sets of state information and one or more graphics primitives. For a multipass pixel processing operation, the graphics pipeline that performs the pixel processing is first configured using a first set of state information included in the sets of state information for the multipass operation. Once the graphics pipeline has been configured, at least a portion of the processing to be performed for the drawing command is performed using the graphics pipeline as configured by this first set of state information. The resultant data produced through this processing is stored as intermediate data. This may be referred to as the first pass in the multipass operation. The graphics pipeline is then reconfigured using a subsequent set of state information corresponding to the multipass drawing command. Once the graphics pipeline has been reconfigured, the second pass takes place. The second pass includes processing the portion of the graphics data processed during the first pass using the graphics pipeline as configured by the subsequent set of state information. Such processing includes utilization of the intermediate data such that the results of the first pass are included in the processing operations of the second pass.

Loading the Abstract Image...

First Claim