Rendering to an offscreen
Introduction
Off-screenbuffersallowprogrammerstogeneratecomplexproceduralimagesinvideomemory
thatcanthenbeboundastexturesorevenreadbackintosystemmemorywiththebenefitofnever
corruptingthecontentsoftheframebuffer.Thisallowsdeveloperstotakefulladvantageofthe
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