src/gllogerror.h

   1 //
   2 //  gllogerror.h
   3 //
   4 //  Check for and report OpenGL errors
   5 //
   6 //  Copyright (C) 2002 Mark R. Shinwell.
   7 //  Copyright (C) 2003,2004,2005,2006,2007,2011,2012,2014,2017,2018 Olly Betts
   8 //
   9 //  This program is free software; you can redistribute it and/or modify
  10 //  it under the terms of the GNU General Public License as published by
  11 //  the Free Software Foundation; either version 2 of the License, or
  12 //  (at your option) any later version.
  13 //
  14 //  This program is distributed in the hope that it will be useful,
  15 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 //  GNU General Public License for more details.
  18 //
  19 //  You should have received a copy of the GNU General Public License
  20 //  along with this program; if not, write to the Free Software
  21 //  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22 //
  23
  24 #include "wx.h"
  25
  26 void log_gl_error(const wxChar * str, GLenum error_code);
  27
  28 // Important: CHECK_GL_ERROR must not be called within a glBegin()/glEnd() pair
  29 //            (thus it must not be called from BeginLines(), etc., or within a
  30 //             BeginLines()/EndLines() block etc.)
  31 #define CHECK_GL_ERROR(M, F) do { \
  32     extern bool opengl_initialised; \
  33     if (!opengl_initialised) { \
  34         wxLogError(wxT(__FILE__ ":" STRING(__LINE__) ": OpenGL not initialised " \
  35                        "before (call " F " in method " M ")")); \
  36     } \
  37     GLenum error_code_ = glGetError(); \
  38     if (error_code_ != GL_NO_ERROR) { \
  39         log_gl_error(wxT(__FILE__ ":" STRING(__LINE__) ": OpenGL error: %s " \
  40                          "(call " F " in method " M ")"), error_code_); \
  41     } \
  42 } while (0)
  43