Circuits, methods, and apparatus that provide texture caches and related
circuits that store and retrieve texels in a fast and efficient manner.
One such texture circuit provides an increased number of bilerps for each
pixel in a group of pixels, particularly when trilinear or aniso
filtering is needed. For trilinear filtering, texels in a first and
second level of detail are retrieved for a number of pixels during a
clock cycle. When aniso filtering is performed, multiple bilerps can be
retrieved for each of a number of pixels during one clock cycle.