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Asked: 2026-05-14T20:34:28+00:00

Do someone know how to get glsl shaders work in gtk-opengl window? With glut

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Do someone know how to get glsl shaders work in gtk-opengl window? With glut all glCreateProgram etc. functions works, but when I tried to put the same gl code into pygtkglext window, its complaining about NullReference:

OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgram, check for bool(glCreateProgram) before calling

So then I from OpenGL.GL.ARB.shader_objects import *, but the result is similar:

OpenGL.error.NullFunctionError: Attempt to call an undefined function glCreateProgramObjectARB, check for bool(glCreateProgramObjectARB) before calling

Any idea will be useful.

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1 Answer

  1. Editorial Team

    The answer is its not supported yet. Simply pygtkglext doesn’t set glCreateProgram. However git version does.

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