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    Photoshop Style Blend Mode GLSL Shaders for Isadora

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

      @mark this is awesome! Something I've always wanted!!

      Hugh in Winnipeg - All test machines, Win10/11 Pro, 64 bit, OS SSD and separate data SSD.
      Dell 7560, i9 11950H, 64 gigs, NVIDIA RTX A4000 w/8 GB GDDR6

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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
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            - Mac Pro 5.1 middle 2012 (3,33 GHz 6-Core Intel Xeon, 32GB RAM, Radeon RX 580 8 GB ),
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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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