1. A computer graphics system comprising: a sample position memory configured to store one or more sample position schemes; a graphics processor coupled to said sample position memory and configured to select one of said sample position schemes and configured to generate a plurality of samples according to the selected sample position scheme; a sample buffer coupled to said graphics processor, wherein said sample buffer is configured to store said samples, wherein said sample buffer is configured to double-buffer at least a portion of said samples; and a sample-to-pixel calculation unit coupled to said sample buffer, wherein said sample-to-pixel calculation unit is configured to select one or more of said stored samples to filter into an output pixel.