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83 lines
1.7 KiB
83 lines
1.7 KiB
4 years ago
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/************************************************************************
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Test the availability of various OpenGL extensions
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by Michael Garland, 2001.
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$Id: t-glext.cxx 426 2004-09-27 04:34:55Z garland $
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************************************************************************/
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#include <gfx/gui.h>
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#include <gfx/glext.h>
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#include <string>
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#include <fstream>
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using namespace std;
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class GUI : public MxGUI
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{
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public:
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virtual void setup_for_drawing();
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};
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GUI gui;
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static void dump_string(ostream &out, const string& str)
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{
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const char *ws = " \t\n\r";
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string::size_type start, end;
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start = 0;
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end = str.find_first_of(ws, start);
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while( end!=string::npos )
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{
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out << " " << str.substr(start, end-start) << endl;
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start = str.find_first_not_of(ws, end);
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end = str.find_first_of(ws, start);
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}
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}
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void GUI::setup_for_drawing()
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{
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ofstream log("glext.txt");
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string gl_extensions = (char *)glGetString(GL_EXTENSIONS);
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log << "OpenGL extensions" << endl
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<< "-----------------" << endl;
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dump_string(log, gl_extensions);
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log << endl << endl;
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#ifdef HAVE_GL_WGLEXT_H
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PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB =
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(PFNWGLGETEXTENSIONSSTRINGARBPROC)
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wglGetProcAddress("wglGetExtensionsStringARB");
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if( !wglGetExtensionsStringARB )
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{
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log << "Couldn't find wglGetExtensionsStringARB." << endl;
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exit(-1);
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}
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else
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{
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string wgl_extensions = wglGetExtensionsStringARB(wglGetCurrentDC());
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log << "WGL extensions" << endl
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<< "--------------" << endl;
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dump_string(log, wgl_extensions);
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}
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#endif
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exit(0);
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}
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int main(int argc, char **argv)
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{
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gui.initialize(argc, argv);
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return gui.run();
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}
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