1. A computer-readable medium comprising computer-executable instructions stored therein for implementing a method of performing video format conversion with a graphical processing unit (GPU), said method comprising: accessing a plurality of video data formatted in a first video format from a first memory unit using a 3D graphics pipeline of said GPU, wherein said 3D graphics pipeline is operable to perform 3D operations; converting said plurality of video data from said first video format to a second video format using said 3D graphics pipeline of said GPU; and sending said plurality of video data formatted in said second video format to said first memory unit.