1 /* gltest - small OpenGL tearing test program
2 * Copyright (C) 2012-2013 Ralf Jung <post@ralfj.de>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
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.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 /** Make an X window fit for GL. You have to manage the X window yourself! */
27 class GLXBackend : public GLBackend {
29 /** Create a GL window class and find an appropriate visual */
30 GLXBackend() : display(NULL), context(None) {}
31 /** Fre all resources */
32 virtual ~GLXBackend();
34 /** Initialize GL backend, choose visual configuration and return the ID */
35 virtual VisualID initialize(Display *display);
37 /** create a GL context for the given window */
38 virtual void createContext(Window window);
40 /** Swap back and front buffers */
41 virtual void swapBuffers() const;
43 /** Set the swap interval */
44 virtual void setSwapInterval(int i) const;
51 PFNGLXSWAPINTERVALMESAPROC funSwapIntervalMesa;
52 PFNGLXSWAPINTERVALEXTPROC funSwapIntervalExt;
53 PFNGLXCREATECONTEXTATTRIBSARBPROC funCreateContextAttribsARB;
55 bool haveGLXExtension(const std::string &name);
56 T_proc resolveGLXFunction(const char *extension, const char *function);