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Enum. Accum. Buffer Support

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Is there a way to determine the number of bits supported by your video card for the Accum Buffer? I checked DDCAPS, I didn''t see anything? I not sure if DescribePixelFormat or something like that would work? I keep errors when I try. Thanks

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Yep, you use DescribePixelFormat, and it''s in the PIXELFORMATDESCRIPTOR, a member called cAccumBits or similar. Though, it is extremely unlikely, that your hardware will support a hw accumulation buffer. Rule of thumb is: if your video card costed under $5k, then forget it, it won''t have it.

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