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 _D3D9HARWAREOCCLUSIONQUERY_H__ 00030 #define _D3D9HARWAREOCCLUSIONQUERY_H__ 00031 00032 #include "OgreD3D9Prerequisites.h" 00033 #include "OgreHardwareOcclusionQuery.h" 00034 #include "OgreD3D9Resource.h" 00035 00036 00037 namespace Ogre { 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 results 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 00054 class _OgreD3D9Export D3D9HardwareOcclusionQuery : public HardwareOcclusionQuery, public D3D9Resource 00055 { 00056 //---------------------------------------------------------------------- 00057 // Public methods 00058 //-- 00059 public: 00060 00065 D3D9HardwareOcclusionQuery(); 00066 00070 ~D3D9HardwareOcclusionQuery(); 00071 00072 //------------------------------------------------------------------ 00073 // Occlusion query functions (see base class documentation for this) 00074 //-- 00075 00076 void beginOcclusionQuery(); 00077 void endOcclusionQuery(); 00078 bool pullOcclusionQuery( unsigned int* NumOfFragments); 00079 unsigned int getLastQuerysPixelcount(); 00080 bool isStillOutstanding(void); 00081 00082 // Called immediately after the Direct3D device has been created. 00083 virtual void notifyOnDeviceCreate(IDirect3DDevice9* d3d9Device); 00084 00085 // Called before the Direct3D device is going to be destroyed. 00086 virtual void notifyOnDeviceDestroy(IDirect3DDevice9* d3d9Device); 00087 00088 // Called immediately after the Direct3D device has entered a lost state. 00089 // This is the place to release non-managed resources. 00090 virtual void notifyOnDeviceLost(IDirect3DDevice9* d3d9Device); 00091 00092 // Called immediately after the Direct3D device has been reset. 00093 // This is the place to create non-managed resources. 00094 virtual void notifyOnDeviceReset(IDirect3DDevice9* d3d9Device); 00095 00096 00097 private: 00098 void createQuery(IDirect3DDevice9* d3d9Device); 00099 void releaseQuery(IDirect3DDevice9* d3d9Device); 00100 00101 //---------------------------------------------------------------------- 00102 // private members 00103 //-- 00104 private: 00105 typedef map<IDirect3DDevice9*, IDirect3DQuery9*>::type DeviceToQueryMap; 00106 typedef DeviceToQueryMap::iterator DeviceToQueryIterator; 00107 00108 DeviceToQueryMap mMapDeviceToQuery; 00109 }; 00110 00111 00112 } 00113 00114 00115 #endif
Copyright © 2012 Torus Knot Software Ltd
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Last modified Fri May 25 2012 21:48:49