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