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xubingyue / softart

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Design and implement an algorithm to support rasterize object which is before the near plane. #101

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
Description:
  http://www.opengl.org/registry/specs/ARB/depth_clamp.txt

  OpenGL specification 3.1 introduce a feature, depth clamp. It allows application disable the near plane.

  But in recent implementation, we *need* w is positive for correct interpolation.

  Design and implements a robust algorithm works on *arbitary* w-component.

Original issue reported on code.google.com by wuye9036 on 17 Jul 2011 at 1:37

GoogleCodeExporter commented 8 years ago

Original comment by wuye9036 on 15 Dec 2011 at 3:24