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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    N64 from 16:9 to 4:3 instead

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    n64 no dispmaxn64 emulatorn64 nintendo64
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    • mituM
      mitu Global Moderator @Arrafart
      last edited by mitu

      @Arrafart said in N64 from 16:9 to 4:3 instead:

      Would it be more like this?

      Yes, I think it's better; sun50i-h618 sounds like a good name. You can try adding x11 also to the flags.

      Maybe unrelated: Would it help if I'd say the bootEnv.txt contains an overlay_prefix=sun50i-h616? (No idea what it does, I understood it is connected to the .dtb(o), and if I amend this to h618, the gpu acc stops working)

      That's just instructs the bootloader (U-Boot) to look for any .dtb files under the sun50i-h616 folder. Since the H616 is the previous SOC version in the H series, it might have inherited part of that version's device tree.

      dietpi@DietPi:~$ cat /proc/device-tree/compatible

      xunlong,orangepi-zero2wallwinner,sun50i-h618

      You can use either rangepi-zero2wallwinner or sun50i-h618 as a device identification string, and set platform to sun50i-h618.

      A 1 Reply Last reply Reply Quote 1
      • A
        Arrafart @mitu
        last edited by Arrafart

        @mitu

        function platform_sun50i-h618() {
        cpu_armv8 "cortex-a53"
        __platform_flags+=(x11 gles gles3 gles31)
        }

        The Orange Pi zero 3 has the same chipset, if I'm right, so they would carry the same name like that.

        Not sure what to do with it, but...

        I had a good day, thanks!

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        • A
          Arrafart @mitu
          last edited by

          @mitu

          Your system should have the gles gles3 flags instead of x11 (which I assume it's now set by RetroPie-Setup), so that the GLES3 specific build options are applied to emulators/libretro cores.

          Found it: Can I apply it to the system.sh script and reinstall emulators or should update Retropie script?

          mituM 1 Reply Last reply Reply Quote 0
          • mituM
            mitu Global Moderator @Arrafart
            last edited by

            @Arrafart You should re-install with the new flags. Don't update, since RetroPie-Setup doesn't have your modifications and it won't work anyway.

            A 2 Replies Last reply Reply Quote 0
            • A
              Arrafart @mitu
              last edited by

              @mitu I have amended /home/dietpi/RetroPie-Setup/scriptmodules/system.sh but the flags did not change.

              I thought, maybe a visual things since i amended myself.
              No changes after re-intallation of the 4 emulators.

              https://pastebin.com/9Kua2Pt6

              mituM 1 Reply Last reply Reply Quote 0
              • mituM
                mitu Global Moderator @Arrafart
                last edited by

                @Arrafart said in N64 from 16:9 to 4:3 instead:

                @mitu I have amended /home/dietpi/RetroPie-Setup/scriptmodules/system.sh but the flags did not change.

                Yes, because you haven't added the detection part. Here's your system.sh, but with detection: https://gist.github.com/cmitu/64d7e993609a3f28b58a0a1a0267d292. Try it and see if the correct platform is detected and the flags are applied.

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                • A
                  Arrafart @mitu
                  last edited by Arrafart

                  @mitu

                  Flags: Sun50i-h618 64bit aarch64 x11 gles gles3 gles31

                  After reinstalling

                  Progress on the flags

                  mupen64plus glide64 16:9
                  https://pastebin.com/BaRinFXe

                  lr-mupen64plus
                  Not supported / flagged

                  lr-mupen64plus-next (back to ES)
                  https://pastebin.com/2pptYP5w

                  mupen64plus glideN64 (back to ES)
                  https://pastebin.com/n1gqn5ja

                  mituM 1 Reply Last reply Reply Quote 0
                  • mituM
                    mitu Global Moderator @Arrafart
                    last edited by

                    @Arrafart said in N64 from 16:9 to 4:3 instead:

                    lr-mupen64plus-next (back to ES)
                    https://pastebin.com/2pptYP5w

                    You need to recompile RetroArch also:

                    [INFO] [Environ]: SET_HW_RENDER, context type: gl.
                    [ERROR] Requesting OpenGLES3 context, but RetroArch is compiled against OpenGL. Cannot use HW context.
                    [ERROR] [Environ]: SET_HW_RENDER - Dynamic request HW context failed.
                    [libretro ERROR] mupen64plus-next: libretro frontend doesn't have OpenGL support

                    A 1 Reply Last reply Reply Quote 0
                    • A
                      Arrafart @mitu
                      last edited by Arrafart

                      @mitu

                      Out of interest I think I found the "get" lines in the system.sh

                      sun50i-h618)
                      __platform="sun50i-h618"
                      ;;

                      Victory! And in 4:3!

                      lr-mupen64plus-next
                      https://pastebin.com/ijeRkPF7

                      I feel like i will be getting picky now, but it runs choppy vs the mupen64plus standalone (that runs smoothly), it has a black bar on top+bottom and graphics took a hit.
                      Anything polish able? Or is this where we should draw the line for the Orange pi zero 2w?

                      mituM 1 Reply Last reply Reply Quote 0
                      • mituM
                        mitu Global Moderator @Arrafart
                        last edited by

                        @Arrafart said in N64 from 16:9 to 4:3 instead:

                        Anything polish able? Or is this where we should draw the line for the Orange pi zero 2w?

                        You can look into the core options and make sure you disable any performance demanding options (upscaling, MSAA).

                        A 1 Reply Last reply Reply Quote 1
                        • A
                          Arrafart @mitu
                          last edited by Arrafart

                          @mitu

                          I managed to puzzle a bit within the RetroArch menu (hotkey+north within the game), inside the core options, and restarting ES after each change. Might polish a bit more.

                          It came down to assuring the 1x resolution and some extra texture options for preference. It doesn't beat Mupen64plus graphics yet, but it is damn close right now.

                          I could also push the 4:3 top and bottom scaling within the glideN64 core options, no more black borders.

                          I am 95% satisfied! 🥂🙏🏻🎮

                          1 Reply Last reply Reply Quote 0
                          • A
                            Arrafart @mitu
                            last edited by Arrafart

                            @mitu

                            Hey mitu, I had a clean install and added the two sections in the system.sh file within the Scriptmodules folder.

                            Now I'm trying to reinstall to show the correct flags, but whatever I reinstall it still shows the previous flags. 64bit gl vulkan x11

                            Note: 0 cores installed

                            What should I reinstall to update the flags correctly?

                            Edit: a restart helped me retrieve the flags into the RetroPie setup

                            1 Reply Last reply Reply Quote 0
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