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ptex

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    ptex

    Hi,
    I don't know if it's possible.
    I'm doing a lot tutorials to realize "the perfect unwrap".
    If I use Vray or Octane I don't care how textures are applied. Mostly I use cubic or planar mapping assigning to several ids.
    When we export the geometry into UE4 we have to unwrap everything and check overlapping faces in uv space.
    I heard about ptex but this technology is not implemented yet in UE4.
    I would like to know if it can help us.
    Are there DX/Ogl or hardware limitations?

    regards

    #2
    Hello gabrielefx,

    After looking into your question I found that due to hardware limitation this is not a viable solution for real time rendering. This is due to the shear amount of data that would need to be pulled for every face on every frame. I hope that this answers your question.

    Make it a great day

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      #3
      Originally posted by Rudy Triplett View Post
      Hello gabrielefx,

      After looking into your question I found that due to hardware limitation this is not a viable solution for real time rendering. This is due to the shear amount of data that would need to be pulled for every face on every frame. I hope that this answers your question.

      Make it a great day
      There are ways to do it in realtime, mostly surrounding virtual texturing which has a similar goal anyway.

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