zfighting 的问题

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1.对每个mesh 在脚本里加bias 由美术勾 {a. vertex shader b. depth bias slop depth bias rasterizateState}

2.inverse depth

http://outerra.blogspot.hk/2012/11/maximizing-depth-buffer-range-and.html

https://developer.nvidia.com/content/depth-precision-visualized

还有说什么log的depth

   gl_Position.z = 2.0*log(gl_Position.w*C + 1)/log(far*C + 1) - 1;
    gl_Position.z *= gl_Position.w;

or
    gl_Position.z = 2.0*log(gl_Position.w/near)/log(far/near) - 1; 
    gl_Position.z *= gl_Position.w;

3.linear depth

zfighting 的问题

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原文地址：http://www.cnblogs.com/minggoddess/p/5729570.html