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    GLSL Shader Actor Tutorial

    Troubleshooting and Bug Reports
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    • mark
      mark last edited by

      Dear All,

      For any of you trying out the new GLSL Shader Actor, here's the HTML file with a tutorial. We don't have it on the site yet but just open the attached file in your browser.
      Best Wishes,
      Mark

      55db5f-glsl-tutorial.html.zip

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        jtoenjes A 2 Replies Last reply
      • N
        nick last edited by

        Didn't see any mention of timescale for 2.5 release with the glsl shader actor - any news on that for those of us not at the werkstatt ;)

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        • bonemap
          bonemap Beta Platinum last edited by

          Hi @Mark

          Very keen to tryout the GLSL Shader actor. The option to input parameters into the live code is brilliant and a big point of difference from other renderers as far as I can see. 
          Congratulations to the team for reaching another milestone and best wishes for the workshop intensives.
          cheers
          bonemap
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          • A
            alex2p last edited by

            Hi Mark, where i can find the GLSL Shader actor ? Great show on the Opening Keynote !!

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            • dbini
              dbini last edited by

              ... just to let you know, there's a typo in the tutorial which might briefly confuse someone:

              Navigate to the following folder:

              Mac OS: /Library/Application\ Support/TroikaTronix

              should be:

              Mac OS: /Library/Application Support/TroikaTronix

              cheers,

              John

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              • maxiwille
                maxiwille last edited by

                Hi all !! The new version is available ? Or not yet Best, Maxi

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                • A
                  Aolis last edited by

                  I am guessing that it has only been released to the folks at the Workshop . . . though I would LOVE to be proven wrong.

                  -Alex
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                  • tomthebom
                    tomthebom last edited by

                    Hi Mark, 

                    I remember from the workshop, that the GLSL tutorial worked like a charm. I have been trying to repeat the example with the clouds and run into a funny issue under tutorial 2:  

                    I can copy and paste the code. I even manage to see the new actor input in the background to hook up the texture for iChannel0... but I can not close the shader window without the editor compiling the code and complaining about the missing texture. If I cancel, the shader returns to the last working code. What do I do wrong? Best regards, Thomas

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                      Michel 1 Reply Last reply
                    • Michel
                      Michel Tech Staff @tomthebom last edited by

                      @tomthebom

                      on line14 change textureLod to texture2D.

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                        tomthebom 1 Reply Last reply
                      • tomthebom
                        tomthebom @Michel last edited by

                        @Michel

                        Hi Michel, thanks a lot. That worked. ;o). May I also ask why? Has the syntax changed or is it something I am not aware of?

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                          DusX Michel 2 Replies Last reply
                        • DusX
                          DusX Tech Staff @tomthebom last edited by

                          @tomthebom
                          Where did you find the incorrect code? I am looking to update it, but can't find the reference.

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                            jtoenjes 1 Reply Last reply
                          • jtoenjes
                            jtoenjes @DusX last edited by

                            @DusX

                            It's in the Clouds (by iq) shader code referenced in part 2 of Mark's GLSL Shader Tutorial

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                            • jtoenjes
                              jtoenjes @mark last edited by

                              @mark

                              None of the image links in this tutorial are working. Maybe with your website redesign this little detail was missed?

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                                mark 1 Reply Last reply
                              • Michel
                                Michel Tech Staff @tomthebom last edited by

                                @tomthebom

                                To be honest I don't know. For another shader code I googled a similar error and there they said replace textureLog, or so,  with texture2D. 

                                Best Michel

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                                • mark
                                  mark @jtoenjes last edited by mark

                                  @jtoenjes :


                                  Regarding the links: I just fixed the links to tex11, tex12, tex15 and tex16. ShaderToy hid these textures under names that change all the time, so I had to create these four and remove the links to the other ones.

                                  Best Wishes,
                                  Mark

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                                  • jtoenjes
                                    jtoenjes last edited by

                                    @mark

                                    Thanks!

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                                    • tomthebom
                                      tomthebom last edited by

                                      Hi folks, thanks a lot for your help! Looking forward seeing you hopefully at the werkstatt 2017!

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                                      • A
                                        adstilianos @mark last edited by

                                        @mark Has a new tutorial been made available anywhere yet? I am just playing with the GLSL Shader and the images are not working and neither is the link under tutorial 2. I am unfamiliar with code so am having issues troubleshooting some of the things I've not been able to find answers to in the forum. Thanks!

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