glTexSubImage3D undefined on Windows...

  • This OpenGL function is completely undefined on Windows 10. My code reads:

    #ifdef Q_OS_WIN
    PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D = (PFNGLTEXSUBIMAGE3DPROC)wglGetProcAddress("glTexSubImage3D");

    and the resulting symbol is NULL. Does anyone know how to fix this?

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