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) 2000-2012 Torus Knot Software Ltd 00008 00009 Permission is hereby granted, free of charge, to any person obtaining a copy 00010 of this software and associated documentation files (the "Software"), to deal 00011 in the Software without restriction, including without limitation the rights 00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00013 copies of the Software, and to permit persons to whom the Software is 00014 furnished to do so, subject to the following conditions: 00015 00016 The above copyright notice and this permission notice shall be included in 00017 all copies or substantial portions of the Software. 00018 00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00025 THE SOFTWARE. 00026 ----------------------------------------------------------------------------- 00027 */ 00028 00029 #ifndef __GLES2HARDWAREOCCLUSIONQUERY_H__ 00030 #define __GLES2HARDWAREOCCLUSIONQUERY_H__ 00031 00032 #include "OgreGLES2Prerequisites.h" 00033 #include "OgreHardwareOcclusionQuery.h" 00034 00035 00036 namespace Ogre { 00037 00038 00039 // If you use multiple rendering passes you can test only the first pass and all other passes don't have to be rendered 00040 // if the first pass result has too few pixels visible. 00041 00042 // Be sure to render all occluder first and whats out so the RenderQue don't switch places on 00043 // the occluding objects and the tested objects because it thinks it's more effective.. 00044 00045 class _OgreGLES2Export GLES2HardwareOcclusionQuery : public HardwareOcclusionQuery 00046 { 00047 //---------------------------------------------------------------------- 00048 // Public methods 00049 //-- 00050 public: 00055 GLES2HardwareOcclusionQuery(); 00059 ~GLES2HardwareOcclusionQuery(); 00060 00061 //------------------------------------------------------------------ 00062 // Occlusion query functions (see base class documentation for this) 00063 //-- 00064 void beginOcclusionQuery(); 00065 void endOcclusionQuery(); 00066 bool pullOcclusionQuery( unsigned int* NumOfFragments); 00067 bool isStillOutstanding(void); 00068 00069 00070 //---------------------------------------------------------------------- 00071 // private members 00072 //-- 00073 private: 00074 00075 GLuint mQueryID; 00076 }; 00077 00078 } 00079 00080 #endif 00081
Copyright © 2012 Torus Knot Software Ltd
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Last modified Sun Sep 2 2012 07:27:21