http://www.anandtech.com/video/showdoc.html?i=1989
Edit: Sorry, http://www.anandtech.com/printarticle.html?i=1989
Edit2:
Is it possible to use rotated grid AA when doing SuperSampling? Or does S3 support Multisampling?
Rather strange...
Edit: Sorry, http://www.anandtech.com/printarticle.html?i=1989
We have chosen not to do a full image quality analysis at this point becuase we feel it would be a waste of time.
Edit2:
they support what ATI and NVIDIA are calling 4x rotated grid antialiasing, and upto 16x anisotropic filtering.
Currently, S3 calls thier antialiasing algorithm 2xAA, but under 2x mode, the pixel is sampled twice both horizontally and vertically (which is technically correct, but doesn't fit the established standard). It is likely that the nominclature will end up changing at some point. The maximum resolution at which they support AA is 1024x768, and, eventhough the functionality isn't exposed, it would be possible to do 16 sample AA (what S3 would call 4xAA) at lower resolutions. Obviously this is not going to be fast, and it is unlikely that this functionality will be exposed in the shipping version of the product.
Is it possible to use rotated grid AA when doing SuperSampling? Or does S3 support Multisampling?
Rather strange...