double-buffering for depth-buffer

Performer-ML (wryperf++at++such.dst.nk-exa.co.jp)
Thu, 16 Dec 1999 17:16:51 +0900

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Though this is an iR/OpenGL question, can I use doublebuffering of
depth buffer?

I think to make the iR output both of normal video & chroma-key.
I seem to be able to use Alpha-plane instead of Z but it makes
frame-rate fall.

Thank you,

--
M.Y.

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