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ZBias and Wbuffer dead in dx9?

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I read on beyond3d about zbias and wbuffer being removed from DX9? Is this true? They also said only noobies use these technologies that its old, stupid, and some other choice words. (its a thread were Derek Smart, who is talking about the new ATI 9700 not supporting them in drivers) I''m just curious if its true that these are old technology and how do you work around the problems which caused these two things to appear in the first place? Just curious...

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Wbuffer was something 3Dfx introduced and wanted. Not many people use them. Not all chips support them.

Z bias is still extremely useful for decaling. Where supported in hardware. And there are alternative techniques such as using stencil buffers.

Sometimes vertex and pixel shader methods can be used to reduce many of the issues.

Finally just because a new chip doesn''t support something, it doesn''t mean it''s going to be dropped from an API!
DX9 is still in beta (I''m on that beta), therefore still covered by NDA so nobody can confirm or deny anything here...
However I''d say don''t believe everything you read. Though I''d also say things DO change between beta1 and gold of DX (I''ve been beta testing DX since DX5.0 - the leaks, online rumours and true API changes always follow the same old pattern).



--
Simon O''Connor
Creative Asylum Ltd
www.creative-asylum.com

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