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V-Ray RT output to Oculus Rift and HTC Vive

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  • V-Ray RT output to Oculus Rift and HTC Vive

    With V-Ray 3.5, you can use V-Ray RT to render directly to an Oculus Rift or an HTC Vive. Until we put all of the information in the docs, here is a short guide on how to get it working.

    V-Ray RT output to Oculus Rift setup instructions

    1.1 If using Oculus Rift then install Oculus Rift PC runtime:
    https://www3.oculus.com/en-us/setup/

    Direct internet connection is needed to login to your Oculus account. It seems that it does not work trough a proxy. You need at least 5 GB disk space on your C: drive. This step is not needed if using HTC Vive.

    1.2 For HTC Vive support, install Steam and Steam VR:
    https://support.steampowered.com/kb_...#install-steam

    This is needed in order to use the OpenVR interface for HTC Vive, Oculus Rift and other VR devices. This step is optional for Oculus Rift.

    2. Oculus Rift only: connect headset to the default graphics adapter - it will not work if connected to other graphic adapters.
    - in the Oculus app, enable apps from unknown sources: turn on Oculus Settings -> General -> Unknown Sources

    2.1 Check that the headset is working and displays its home scene correctly

    3. V-Ray production render settings
    - turn off Image filter
    - select Camera Type -> Cube 6x1
    - render resolution width must be divisible by 6

    3. V-Ray RT Active shade settings
    - select Stereo mode -> Oculus Rift (mono), Oculus Rift (stereo), OpenVR (mono) or OpenVR (stereo)
    - select suitable image output size, for example 3000x500. The width must be divisible by 6. You may start with a lower resolution.
    - select RT Engine type -> CUDA, OpenCL or CPU. Using RT CPU is not recommended due to slow render times.
    - Render Device Select -> exclude the default render adapter. Using the same adapter for GPU rendering and VR display will result in frame drops and poor VR experience. DR session with the local host excluded should work fine.

    4. Press Active Shade. The first render will start slowly since it takes some time to load the Oculus VR library.

    Best regards,
    Vlado
    I only act like I know everything, Rogers.

  • #2
    Sweet, thanks Vlado and the Team, keep up the good work!
    Kind Regards,
    Morne

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    • #3
      Will this work with a DK2?

      Comment


      • #4
        I think so, but I have to ask.

        Best regards,
        Vlado
        I only act like I know everything, Rogers.

        Comment


        • #5
          I have it working with my DK2.
          Last edited by roadie; 07-12-2016, 01:19 PM.

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          • #6
            +
            Thanks for the info

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            • #7
              Originally posted by roadie View Post
              I have it working with my DK2.
              Good to know Any feedback? Useful/not useful?

              Best regards,
              Vlado
              I only act like I know everything, Rogers.

              Comment


              • #8
                Just spent 2 hours trying to get this to work on a Vive. I can get the OpenVR window to spawn, SteamVR sees that max is feeding it, and the headset tracking is working in the OpenVR window, but all I get in the headset is an Empty Blue waiting room. I have two gpu's and have tried time and time again with one off and the other one and vice versa as well as CPU just to make sure.

                Any ideas?
                James Burrell www.objektiv-j.com
                Visit my Patreon patreon.com/JamesBurrell

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                • #9
                  Does the VR work only with Vray RT? What about production mode? I cant get it to work with the instructions Vlado listed below, or maybe I am doing smth wrong.

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                  • #10
                    It only works with V-Ray RT for the moment. If there is interest, we can try to hook up the IPR too.

                    Best regards,
                    Vlado
                    I only act like I know everything, Rogers.

                    Comment


                    • #11
                      @james - I'm not sure what might be wrong, can you shoot me an email to vlado@chaosgroup.com and I'll try to get someone to help you on Monday.

                      Best regards,
                      Vlado
                      I only act like I know everything, Rogers.

                      Comment


                      • #12
                        Originally posted by vlado View Post
                        @james - I'm not sure what might be wrong, can you shoot me an email to vlado@chaosgroup.com and I'll try to get someone to help you on Monday.

                        Best regards,
                        Vlado
                        Will do. Thanks!
                        James Burrell www.objektiv-j.com
                        Visit my Patreon patreon.com/JamesBurrell

                        Comment


                        • #13
                          Originally posted by vlado View Post
                          @james - I'm not sure what might be wrong, can you shoot me an email to vlado@chaosgroup.com and I'll try to get someone to help you on Monday.

                          Best regards,
                          Vlado
                          I have the exact same problem, did you manage to solve this issue?

                          Additional info that might help:

                          I am running dual Quadro cards (m6000)
                          Max 2017
                          Vray 3.5
                          SteamVr is installed and running correctly
                          All the HTC Vive updates are installed
                          Windows 10
                          256 GB Ram
                          Duel Xeon E5-2695 v3.

                          Cheers.
                          Last edited by chadstevens; 15-02-2017, 02:30 AM.

                          Comment


                          • #14
                            No not yet. 'Real work' has taken over again and I'll have to wait until I have some spare time to try it again

                            But you can take over and let me know how you fix it
                            James Burrell www.objektiv-j.com
                            Visit my Patreon patreon.com/JamesBurrell

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                            • #15
                              Will do.

                              Cheers.

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