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Dave Lyne
01-02-2008, 04:35 PM
Hi,

Is TAA (Transparency anti-aliasing) possible via the OpenGL API? Are there some extensions to enable this?

Thanks,

David.

MalcolmB
01-02-2008, 05:24 PM
It's part of the multisample spec.
http://www.opengl.org/registry/specs/ARB/multisample.txt

Look for ALPHA_TO_COVERAGE.

sqrt[-1]
01-02-2008, 07:54 PM
Note that Humus did a demo of this way back in 2005:

http://www.humus.ca/index.php?page=3D&ID=61