core/vgui/vgui_macro.cxx Source File

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00001 // This is core/vgui/vgui_macro.cxx
00002 #ifdef VCL_NEEDS_PRAGMA_INTERFACE
00003 #pragma implementation
00004 #endif
00005 //:
00006 // \file
00007 // \author fsm
00008 // \brief  See vgui_macro.h for a description of this file.
00009 
00010 #include "vgui_macro.h"
00011 
00012 #include <vcl_cstdlib.h>
00013 #include <vcl_iostream.h>
00014 
00015 #include <vgui/vgui_gl.h>
00016 #include <vgui/vgui_glu.h>
00017 
00018 extern bool vgui_glerrors_are_bad;
00019 
00020 void vgui_macro_error_reporter(char const *FILE, int LINE)
00021 {
00022   static char const *last_file = 0;
00023   static int last_line = 0;
00024   static int numerrors = 0;
00025 
00026   GLenum err = glGetError();
00027   if (err != GL_NO_ERROR) {
00028     if (last_file) {
00029       vcl_cerr << "Between " << last_file << ":" << last_line << '\n'
00030                << "    and " << FILE << ":" << LINE << " : \""
00031                << gluErrorString(err) << "\"\n";
00032     }
00033     else
00034       vcl_cerr << "In " << FILE << " before line " << LINE << " : "
00035                << gluErrorString(err) << '\n';
00036 
00037     if (++numerrors >= 20 && vgui_glerrors_are_bad) {
00038       vcl_cerr << "too many errors -- calling exit(1);\n";
00039       vcl_exit(1);
00040     }
00041   }
00042 
00043   // FIXME : this assumes that FILE points to static storage.
00044   last_file = FILE;
00045   last_line = LINE;
00046 }