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Luoshuang's GPULightmass

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    try to make it work, run it with the script, replace files and it does not work, keep calculating by CPU my current version is 4.22.3

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      After I use GPU render, it's fast but I get these light spot at my wall. Could you help me to fix this?

      Here is the screenshot
      https://imge.to/limks/?list=images&s...te_desc&page=1

      Comment


        Originally posted by Limks View Post
        After I use GPU render, it's fast but I get these light spot at my wall. Could you help me to fix this?

        Here is the screenshot
        https://imge.to/limks/?list=images&s...te_desc&page=1

        go back few posts earlier:

        https://forums.unrealengine.com/deve...94#post1635994
        https://www.artstation.com/tomaszmuszynski

        Comment


          Originally posted by Labuschevskyy View Post
          I have a problem after 12 hours of GPU Baking

          GPULightmass Kernel: Line 220: cudaCheckError: out of memory

          This means that video card exhausted limit of video memory?
          Buy the way, i have noticed that bake process using CPU and pagefile too (which in my case was 140 000 GB)
          Please help me understand which memory insuficient in this case.
          You can find full swarm log in attach.

          PC Specs:
          i9-7900x
          16 GB DDR4
          Asus Rog Strix GTX 1080
          increasing TDR delay to 300 solved out of memory issue.
          PC Specs:
          i9-7980x
          32 GB DDR4
          Zotac GTX 1050 ti
          Last edited by UE4 Archviz; 07-23-2019, 02:15 AM.
          Youtube - https://www.youtube.com/channel/UCHY...97QaoBbllHR4_g
          Behance - https://www.behance.net/UE4_Archviz

          My System
          Cpu - i9 7980XE
          MB - Asus X299 Pro Se Motherboard
          Gpu - Zotac GTX1060 AMP 6GB DDR5 Graphic Card
          Ram - Corsair Dual RGB 32 GB
          SSD - Samsung 860 EVO 2TB SSD

          Comment


            Hy everyone !

            I want to show you my latest work with GPU Lightmasss.

            https://www.youtube.com/watch?v=jM2twtXTghc&t=3s

            The rendering takes 3h on 1080.

            I hope you like it

            Comment


              Originally posted by InXile Entertainment View Post

              For anyone not keeping up with the thread, GPU Lightmass is no longer being developed by Luoshuang. Also, I'm pretty sure he doesn't use that user name anymore. His new user name is YujiangW

              Quote from his post page 78
              YujiangW
              Supporter
              #1156
              06-01-2019, 07:40 AM
              Hi, I'm Yujiang 'Luoshuang' Wang.
              I have open sourced GPULightmass here: https://github.com/AlanIWBFT/GPULightmass
              With the development of an official GPU Lightmass using DXR starting, GPULightmass is in a frozen state now. Its life is up to you community members!
              Apologies, but can someone clue me into where I can learn more about this official GPU Lightmass development?

              Comment


                Originally posted by SIMONBINFO View Post
                Hy everyone !

                I want to show you my latest work with GPU Lightmasss.

                https://www.youtube.com/watch?v=jM2twtXTghc&t=3s

                The rendering takes 3h on 1080.

                I hope you like it
                good job. i heard Luoshuang is hired by epic. so GPULightMass will improve greatly in future. fingers cross
                Youtube - https://www.youtube.com/channel/UCHY...97QaoBbllHR4_g
                Behance - https://www.behance.net/UE4_Archviz

                My System
                Cpu - i9 7980XE
                MB - Asus X299 Pro Se Motherboard
                Gpu - Zotac GTX1060 AMP 6GB DDR5 Graphic Card
                Ram - Corsair Dual RGB 32 GB
                SSD - Samsung 860 EVO 2TB SSD

                Comment


                  Originally posted by UE4 Archviz View Post

                  good job. i heard Luoshuang is hired by epic. so GPULightMass will improve greatly in future. fingers cross
                  It won't be getting improved as he's no longer working on GPU lightmass. Read the thread.

                  He is however working on improving current lightmass and working on a future version. GPULightmass however is open source and nothing to do with him anymore.

                  Comment


                    I used the 4.21 version of this and had a bat file to change quality config. the version of 4.22 I downloaded doesn't have anything like this nor an uninstaller. Help please :_D

                    Comment


                      Originally posted by ZombieDawgs View Post
                      Apologies if this has been brought up before but I'm having a small issue with indirect lighting - the CPU baker managed to scatter the lights around fairly nicely but using this I have ceilings coming out mega dark. I've tried browsing the thread for a result but it's like searching for a needle.

                      Can anyone lend a hand please?
                      Has anyone been able to figure out problems like this where it seems like indirect lighting just doesn't work? Using 4.22.3 and running into this problem with no bounce-lighting on ceilings, on a purely indoor scene with just point and spot lights.

                      Comment


                        Originally posted by DsyD View Post

                        Has anyone been able to figure out problems like this where it seems like indirect lighting just doesn't work? Using 4.22.3 and running into this problem with no bounce-lighting on ceilings, on a purely indoor scene with just point and spot lights.
                        Yeah it's bugged in 4.22.3, see https://forums.unrealengine.com/unre...t-node-in-4-22
                        It seems fixed in the current 4.23 beta build (preview 3)

                        Comment


                          Originally posted by NiukNiuk View Post

                          Yeah it's bugged in 4.22.3, see https://forums.unrealengine.com/unre...t-node-in-4-22
                          It seems fixed in the current 4.23 beta build (preview 3)
                          Oh god...you're right, I just tested it. Thanks for the link, I would never have figured that out on my own.

                          How did such a massively game-breaking bug not get fixed after three updates...or even get released in the first place...I hope I can cherry-pick that fix commit into 4.22.3 because it's not feasible to upgrade at this point.

                          Comment


                            I'm in the same situation...I don't really know how to backport the fix to 4.22.3...so I'm waiting for Epic to wake up (I don't want to use a beta build for my current professional project)

                            About gpulightmass: anybody knows how to use it in 4.23 preview?

                            Comment


                              Originally posted by DsyD View Post

                              Has anyone been able to figure out problems like this where it seems like indirect lighting just doesn't work? Using 4.22.3 and running into this problem with no bounce-lighting on ceilings, on a purely indoor scene with just point and spot lights.
                              Are you using Rect lights?

                              Comment


                                Originally posted by NiukNiuk View Post
                                I'm in the same situation...I don't really know how to backport the fix to 4.22.3...so I'm waiting for Epic to wake up (I don't want to use a beta build for my current professional project)

                                About gpulightmass: anybody knows how to use it in 4.23 preview?
                                Fix is in 4.23, it's an issue with the material compiler. You're going probably to backport the fix to 4.22.3, it's what we did. If you're not a programmer, you should probably move to 4.23. I'll be very surprised if Epic find time to fix this in 4.22.3 (even if it's basically a copy/past, it's taking no more than 10min), generally they're moving forward and ask to people to update. It shouldn't be dangerous for your project since the big jump was 4.22 rendering wise.
                                Lighting artist - Sumo Digital
                                www.quentinpapleux.com

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