OgreGLXUtils.h Source File - OGRE Documentation

00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004 (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2005 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __GLXUtils_H__
00026 #define __GLXUtils_H__
00027 
00028 #include "OgrePrerequisites.h"
00029 #include <X11/Xlib.h>
00030 #include <GL/glx.h>
00031 
00032 namespace Ogre {
00036     class FBConfigData 
00037     {
00038     public:
00039         FBConfigData();
00040         FBConfigData(Display *dpy, GLXFBConfig config);
00041         String toString() const;
00042         
00043         int configID;
00044         int visualID;
00045         int bufferSize;
00046         int level;
00047         int doubleBuffer;
00048         int stereo;
00049         int auxBuffers;
00050         int renderType;
00051         int redSize;
00052         int greenSize;
00053         int blueSize;
00054         int alphaSize;
00055         int depthSize;
00056         int stencilSize;
00057         int accumRedSize;
00058         int accumGreenSize;        
00059         int accumBlueSize;
00060         int accumAlphaSize;        
00061         int drawableType;
00062         int caveat;
00063         int maxPBufferWidth;
00064         int maxPBufferHeight;
00065         int maxPBufferPixels;        
00066     };
00067     class GLXUtils {
00068     public:
00080         static bool LoadIcon(Display *mDisplay, Window rootWindow, const std::string &name, Pixmap *pix, Pixmap *mask);
00081         /*
00082          * Examine all visuals to find the so-called best one.
00083          * We prefer deepest RGBA buffer with depth, stencil and accum
00084          * that has no caveats. This will only choose formats with a multisample
00085          * that equals multisample
00086          * @returns -1 in case of failure, otherwise a valid visual ID
00087          * @author Brian Paul (from the glxinfo source)
00088          */
00089         static int findBestVisual(Display *dpy, int scrnum, int multisample = -1);
00093         static GLXFBConfig findBestMatch(Display *dpy, int scrnum, const int *attribs, const int *ideal);
00094         
00095     };
00096    
00097 };
00098 
00099 #endif