"Not since government devoted itself to race biology have such an extreme ideology been deemed clean. But now the racism has returned. Back then niggers were stupid, vagrants were dirty, gypsies were thieves and jews were greedy. Now it is men that are guilty. Only by being men."
- Johan Hakelius, Aftonbladet
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Query FailedMesserFuerFrauSchmid
Monday, June 7, 2004

Excuse me but Mr. Blinn was the original idea provider. Personally I do not see a great inefficincy in Blinn's approach, many people just say that because Blinn's approach is more difficult to understand and using normal maps is plain easy (but for dynamic maps, filtering gets more complicated and takes more time than just calculation the partial difference from a heightmap).

Oh and about DXT tell that your artist he will likely kill you!
MesserFuerFrauSchmid
Monday, June 7, 2004

HELLO!!!1 I was refering to Mr. John C. Carmack and not you.
Humus
Sunday, June 6, 2004

MesserFuerFrauSchmid, are you here only to moan and complain? Why do you persist in coming to my site if you hate it so much? Noone has called himself god of graphics programming. You're probably just jealous that there actually are people out there who like my work while noone praise yours. And your friggin API preference is as irrelevant as mine is. If you like D3D, then use it and be happy. No need to come here and point out everywhere who bad OpenGL is.
Humus
Sunday, June 6, 2004

Well, first of all, there's no such thing as "real bumpmapping". Just because Blinn did it in one particular way doesn't mean that's how it must be done. It's inefficient to deal with heightmaps directly.

No, you don't agree with me on DXT. Both DXT and 3Dc rocks IMO. Benchmarks in a test app I've done:

DXT1 + 3Dc = 530 fps
DXT1 only = 490 fps
3Dc only = 380 fps
No compression = 280 fps

I get almost twice the performance with compression than without, and if I add some per-pixel phong lighting I'm still getting over 60% performance boost, at nearly no visible quality reduction.
Rodge
Sunday, June 6, 2004

Cool, but you better watch it does not silently hover away, before we all get some of those new demos!

PS. Very nice tft and speakers, and everything else for that matter.

davepermen
Sunday, June 6, 2004

actually, it just happens to be the fact this time, that supporting the compression in dx was more simple to implement that supporting it in ogl.

in other cases, nearly all actually, this is not the case. namely when ever you need to add something to the api.
MesserFuerFrauSchmid
Sunday, June 6, 2004

I don't apply anything what is better or worse, just saying some facts that D3D dominates in certain areas. And one simple stubborn guy will not really change that fact - even when he calls himself the god of graphics programming (which I highly doubt)
MesserFuerFrauSchmid
Sunday, June 6, 2004

I don't think so that the normal way of doing "normal mapping" (Just a side note: real bump mapping ala Blinn actually requires only a single value heightfield) is RGBA8 texture, at least I normaly would use U8V8 (upps I forgot that is probably a format which does not exist under OGL). Yep DXT is not that great either I agree with you (it basically brings more problems than benefits)
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