On 12/29/10 15:07, Tuan, Hoang-Trong wrote: > Even though we have f03gl interface binding for FreeGLUT, may I ask if is it possible to call GLEW APIs from Fortran? Yes and no. You cannot call the API directly without at the very least providing Fortran interfaces (with BIND(C) in them, as done in our f03gl). But you can call them if you write such interfaces. Sometimes wrappers are necessary, but not typically. I do not think anyone has written such interfaces for the library you mentioned. Best, Aleks -- Aleksandar Donev, Assistant Professor of Mathematics Courant Institute of Mathematical Sciences Office: 909 Warren Weaver Hall, New York University E-mail: [log in to unmask] Phone: (212) 992-7315; Fax: (212) 995-4121 Mailing address: 251 Mercer St, New York, NY 10012 Web: http://cims.nyu.edu/~donev