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akira32

How to solve z-fighting problem

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How to solve z-fighting problem? (VC++ with DirectX 9) I record a video about my scene in the website: http://cid-fbeb6373d9321a7f.skydrive.live.com/self.aspx/Questions/MapEditor%202008-10-08%2015-46-37-59.avi Can I use the certain SetRenderState to solve the z-fighting problem?

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Increase the size of your depth buffer.

You probably have something like this in your code.


d3dpresentparams.EnableAutoDepthStencil = TRUE;
d3dpresentparams.AutoDepthStencilFormat = D3DFMT_D16;



Replace with...


d3dpresentparams.EnableAutoDepthStencil = TRUE;
d3dpresentparams.AutoDepthStencilFormat = D3DFMT_D24;



If you're card supports it, you can go up to D3DFMT_D32

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In addition to increasing precesion, you might also want to check out this article which covers much of the details involved and general tips for solving depth fighting.

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