1 /* 2 * Copyright (C) 2006-2020 by the Widelands Development Team 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 * 18 */ 19 20 #ifndef WL_GRAPHIC_GL_INITIALIZE_H 21 #define WL_GRAPHIC_GL_INITIALIZE_H 22 23 #include <SDL_video.h> 24 25 #include "graphic/gl/system_headers.h" 26 27 namespace Gl { 28 29 // Initializes OpenGL. Creates a context for 'window' using SDL and loads the 30 // GL library. Fills in 'max_texture_size' and returns the created SDL_Context 31 // which must be closed by the caller. 32 // If we are built against glbinding, 'trace' will set up tracing for 33 // OpenGL and output every single opengl call ever made, together with it's 34 // arguments, return values and the result from glGetError. 35 enum class Trace { 36 kYes, 37 kNo, 38 }; 39 SDL_GLContext initialize(const Trace& trace, SDL_Window* window, GLint* max_texture_size); 40 41 } // namespace Gl 42 43 #endif // end of include guard: WL_GRAPHIC_GL_INITIALIZE_H 44