standalone/001_gl_info.cpp

Shows the basic usage of OGLplus by printing some infoCopyright 2008-2013 Matus Chochlik. Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <cassert>
#include <iostream>

#include <GL/glew.h>
#include <GL/glut.h>

#include <oglplus/context.hpp>
#include <oglplus/string/ref_ios.hpp>

#include <iostream>


int main(int argc, char* argv[])
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
    glutInitWindowSize(800, 600);
    glutInitWindowPosition(100,100);
    glutCreateWindow("OGLplus+GLUT+GLEW");

    if(glewInit() == GLEW_OK) try
    {
        glGetError();
        oglplus::Context context;

        std::cout << "Vendor: " << context.Vendor() << std::endl;
        std::cout << "Version: " << context.Version() << std::endl;
        std::cout << "Major version: " << context.MajorVersion() << std::endl;
        std::cout << "Minor version: " << context.MinorVersion() << std::endl;
        std::cout << "GLSL Version: " << context.ShadingLanguageVersion() << std::endl;
        std::cout << "Renderer: " << context.Renderer() << std::endl;
        std::cout << "Extensions:" << std::endl;

        for(auto r=context.Extensions(); !r.Empty(); r.Next())
            std::cout << '\t' << r.Front() << std::endl;

        return 0;
    }
    catch(oglplus::Error& err)
    {
        std::cerr
            << "Error (in "
            << err.GLFunc()
            << "'): "
            << err.what()
            << " ["
            << err.SourceFile()
            << ":"
            << err.SourceLine()
            << "] "
            << std::endl;
    }
    return 1;
}