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    Photoshop Style Blend Mode GLSL Shaders for Isadora

    How To... ?
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    • liminal_andy
      liminal_andy @mark last edited by

      @mark Dream come true! Had some hacked together Adobe blend mode shaders that I will be thrilled to toss out in favor of these.

      Andy Carluccio
      Zoom Video Communications, Inc.
      www.liminalet.com

      [R9 3900X, RTX 2080, 64GB DDR4 3600, Win 10, Izzy 3.0.8]
      [...also a bunch of hackintoshes...]

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      • DusX
        DusX Tech Staff last edited by

        These will be used daily :)

        Troikatronix Technical Support

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        • jfg
          jfg @mark last edited by

          @mark said:

          Nevertheless, I hope these might prove interesting and/or useful for your patches. If you all do feel that it's useful, we'll make an official release of files that you can drop into the GLSL Shader folder so that all of these actors will appear as new actors in Isadora.

           

          is it possible to have all in one actor with a pulldown menu to choose the effect like it is in photoshop or other software. There is so much actors in-between in the GLSL bin that it is difficult to find the right one… especially for no native english speakers.

          best 

          Jean-François

          • Izzy 3.2.6
          - MacBook Pro M1 Max 16" 64GB RAM, Mac OS 15.3.2 Sequoia
          - Mac Pro 5.1 middle 2012 (3,33 GHz 6-Core Intel Xeon, 32GB RAM, Radeon RX 580 8 GB ),
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          - Mac mini Pro M4, Mac OS 15.3.2 Sequoia

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          • bonemap
            bonemap Izzy Guru @mark last edited by

            @mark

            Awesome!! Super contribution!

            Best Wishes

            Russell

            http://bonemap.com | Australia
            Izzy STD 4.2 | USB 3.6 | + Beta
            MBP 16” 2019 2.4 GHz Intel i9 64GB AMD Radeon Pro 5500 8 GB 4TB SSD | 14.5 Sonoma
            Mac Studio 2023 M2 Ultra 128GB | OSX 15.3 Sequoia
            A range of deployable older Macs

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            • mark
              mark @jfg last edited by mark

              @jfg said:

              is it possible to have all in one actor with a pulldown menu to choose the effect like it is in photoshop or other software. There is so much actors in-between in the GLSL bin that it is difficult to find the right one… especially for no native english speakers.

              It is possible, but it would would require 24 if/then statements in the code which would be quite inefficient because it needs to do this comparison for every pixel. (See example code below). So, until I would build this into a self-contained Isadora actor, I wouldn't attempt it.

              if (shaderNumber == 0.0) then
                 executeShader1()
              else if (sheerNumber == 1.0) then
                 executeShader2()
              else if (sheerNumber == 2.0) then
              ...
              etc.
              etc.

              Best Wishes,
              Mark

              Media Artist & Creator of Isadora
              Macintosh SE-30, 32 Mb RAM, MacOS 7.6, Dual Floppy Drives

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              • GertjanB
                GertjanB Beta Platinum last edited by

                Brilliant, 

                Thanks

                To test these quickly I made a user actor with some routers and a selector:

                Blend Tester.iua3

                And then if I find what I want I can copy the glsl actor.

                www.gertjanbiasino.be

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                • Woland
                  Woland Tech Staff @mark last edited by

                  @mark said:

                  If you all do feel that it's useful, we'll make an official release of files that you can drop into the GLSL Shader folder so that all of these actors will appear as new actors in Isadora.

                   Yes, let's do that. I like this idea. <3

                  TroikaTronix Technical Support
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                  • Bill Cottman
                    Bill Cottman last edited by

                    Thank you.😎

                    http://www.BillCottman.com : Isadora3.0.8f09 with MBP OS X 10.11.6 in Minneapolis, MN

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                    • Armando
                      Armando Beta Gold @mark last edited by

                      @mark Massive !!!

                      Armando Menicacci
                      www.studiosit.ca
                      MacBook Pro 16-inch, 2021 Apple M1 Max, RAM 64 GB, 4TB SSD, Mac OS Sonoma 14.4.1 (23E224)

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                      • leben
                        leben @mark last edited by

                        @mark

                        Very useful, thank you :)

                        macbook pro retina -mid 2014 2.2 GHz i7 16 gig ram Running Catalina
                        Izzy 3.0.7

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                        • Paz
                          Paz Beta Tester @mark last edited by

                          @mark I can't believe my eyes 🤩 amazing work! Thank you and best wishes

                          Simon Powell: Researching Emerging Technologies in Live Performance at University of the Arts London.
                          Running: Mac Studio M1 Max 32GB, 512GB SSD, macOS 15.1 | MacBook Pro M2 Pro 16GB, 512GB SSD, macOS 15.1 / Izzy v4.09 /// UK

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