Transparency Anti-aliasing

[Dave Lyne]

Hi,

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

Thanks,

David.

[MalcolmB]

It's part of the multisample spec.
http://www.opengl.org/registry/specs/ARB/multisample.txt

Look for ALPHA_TO_COVERAGE.

[sqrt[-1]]

Note that Humus did a demo of this way back in 2005:

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