1. A graphics system comprising: a graphics processor configured to generate a plurality of samples with a variable density, wherein the graphics processor generates at least a portion of the plurality of samples in a super-sampled manner; a sample buffer coupled to said graphics processor for storing the plurality of samples having the variable density, wherein the plurality of samples comprised in the sample buffer correspond to an entire frame of a display; and a sample-to-pixel calculation unit coupled to said sample buffer, wherein said sample-to-pixel calculation unit is configured to select and filter said stored samples to form output pixels, wherein the output pixels correspond to the entire frame of the display.