render_system.h
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00001 /*
00002  * Copyright (c) 2011, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 #ifndef RENDER_SYSTEM_H
00030 #define RENDER_SYSTEM_H
00031 
00032 #include <OGRE/OgreRoot.h>
00033 #include <stdint.h>
00034 
00035 namespace rviz
00036 {
00037 
00038 class RenderSystem
00039 {
00040 public:
00041   static RenderSystem* get();
00042 
00043   Ogre::RenderWindow* makeRenderWindow( intptr_t window_id, unsigned int width, unsigned int height );
00044 
00045   Ogre::Root* root() { return ogre_root_; }
00046 
00047   // @brief return OpenGl Version as integer, e.g. 320 for OpenGl 3.20
00048   int getGlVersion() { return gl_version_; }
00049 
00050   // @brief return GLSL Version as integer, e.g. 150 for GLSL 1.50
00051   int getGlslVersion() { return glsl_version_; }
00052 
00053   // @brief Force to use the provided OpenGL version on startup
00054   static void forceGlVersion( int version );
00055 
00056 private:
00057   RenderSystem();
00058   void setupDummyWindowId();
00059   void loadOgrePlugins();
00060 
00061   // Find and configure the render system.
00062   void setupRenderSystem();
00063   void setupResources();
00064   void detectGlVersion();
00065 
00066   static RenderSystem* instance_;
00067 
00068   // ID for a dummy window of size 1x1, used to keep Ogre happy.
00069   unsigned long dummy_window_id_;
00070 
00071   Ogre::Root* ogre_root_;
00072 
00073   int gl_version_;
00074   int glsl_version_;
00075   static int force_gl_version_;
00076 };
00077 
00078 } // end namespace rviz
00079 
00080 #endif // RENDER_SYSTEM_H


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Mon Oct 6 2014 07:26:36