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    GLSL Shader - No Matching Function Call

    How To... ?
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    • Aolis
      Aolis last edited by

      Hi there,

      I am very new to the world of GLSL shaders - but I'm hoping for some guidance on getting one of the Shader Toy shaders to work in Isadora.
      Specifically this one: https://www.shadertoy.com/view/4sX3R2
      I am unable to post the code here directly as, apparently as it makes my the body of the text "23363 characters too long."
      When I try to run this in Isadora I get the following error:

      FRAG ERROR: 0:186: No matching function for call to textureCube(sampler2D, vec3)

      FRAG ERROR: 0:199: No matching function for call to textureCube(sampler2D, vec3)

      FRAG ERROR: 0:206: No matching function for call to textureCube(sampler2D, vec3)

      I have noticed that a number of similar patches to this one throw up the same error so it would be nice to find a way to address . . .  it seems - to my ignorant eyes - that it seems to come and go along with the use of one of Shadertoy's built in images/materials - specifically the background image that provides the environment surrounding the animated geometry globbing about. 
      For instance this error does not come up on this link - a very similar shader (again to my novice assessment) found here: https://www.shadertoy.com/view/MdfGRr  . . . 
      This connection may be  red herring for all I know. . . 
      Regardless, any guidance is appreciated.
      Best,
      Alex

      Media Artist & Teacher
      MacBook Pro, Apple M3 Max, 128 GB
      Sonoma 14.3.1

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      • mark
        mark last edited by

        Dear Alex,

        OK, this is some kind of bug in Isadora's attempt to interpret the ShaderToy code. I've filed a bug report on your behalf and I'll look into it.
        Best Wishes,
        Mark

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

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        • Aolis
          Aolis last edited by

          Thank you!!!! I'm loving this new feature! I just have to get up on it enough to introduce it to my students in the next few weeks.

          Media Artist & Teacher
          MacBook Pro, Apple M3 Max, 128 GB
          Sonoma 14.3.1

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          • mark
            mark last edited by

            @Aolis,

            Very happy to hear that you like it. ;-)
            Please report back at some point on how it goes when you start teaching students. I am very curious how something as complex as the GLSL shader code is received by them, and to hear about any pitfalls you encounter as you try to share this knowledge.
            Best Wishes,
            Mark

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

            1 Reply Last reply Reply Quote 0
            • Aolis
              Aolis last edited by

              I will!

              Best Wishes for you too,
              Alex

              Media Artist & Teacher
              MacBook Pro, Apple M3 Max, 128 GB
              Sonoma 14.3.1

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