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Dominicds

OpenGL Accumulation Buffer

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The accumulation buffer is not commonly used for games. Originally, it was meant to be a "staging area", an offscreen surface which was both readable and writable, and could be used for advanced compositing operations. However, not much hardware support exists for it, and most of the things you'd use it for are now more than adequately supported by render-to-texture and pbuffer extensions (which are more versatile anyway). In short: ignore it.

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