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 __GLES2Texture_H__ 00030 #define __GLES2Texture_H__ 00031 00032 #include "OgreGLES2Prerequisites.h" 00033 #include "OgreGLES2Support.h" 00034 #include "OgrePlatform.h" 00035 #include "OgreRenderTexture.h" 00036 #include "OgreTexture.h" 00037 #include "OgreHardwarePixelBuffer.h" 00038 00039 namespace Ogre { 00040 class _OgreGLES2Export GLES2Texture : public Texture 00041 { 00042 public: 00043 // Constructor 00044 GLES2Texture(ResourceManager* creator, const String& name, ResourceHandle handle, 00045 const String& group, bool isManual, ManualResourceLoader* loader, 00046 GLES2Support& support); 00047 00048 virtual ~GLES2Texture(); 00049 00050 void createRenderTexture(); 00052 HardwarePixelBufferSharedPtr getBuffer(size_t face, size_t mipmap); 00053 00054 // Takes the OGRE texture type (1d/2d/3d/cube) and returns the appropriate GL one 00055 GLenum getGLES2TextureTarget(void) const; 00056 00057 GLuint getGLID() const 00058 { 00059 return mTextureID; 00060 } 00061 00062 protected: 00064 void createInternalResourcesImpl(void); 00066 void prepareImpl(void); 00068 void unprepareImpl(void); 00070 void loadImpl(void); 00072 void freeInternalResourcesImpl(void); 00073 00079 void _createSurfaceList(); 00080 00082 typedef SharedPtr<vector<Image>::type > LoadedImages; 00083 00088 LoadedImages mLoadedImages; 00089 00090 00091 private: 00092 GLuint mTextureID; 00093 GLES2Support& mGLSupport; 00094 00096 typedef vector<HardwarePixelBufferSharedPtr>::type SurfaceList; 00097 SurfaceList mSurfaceList; 00098 00099 }; 00100 00107 class _OgreGLES2Export GLES2TexturePtr : public SharedPtr<GLES2Texture> 00108 { 00109 public: 00110 GLES2TexturePtr() : SharedPtr<GLES2Texture>() {} 00111 explicit GLES2TexturePtr(GLES2Texture* rep) : SharedPtr<GLES2Texture>(rep) {} 00112 GLES2TexturePtr(const GLES2TexturePtr& r) : SharedPtr<GLES2Texture>(r) {} 00113 00114 GLES2TexturePtr(const ResourcePtr& r) : SharedPtr<GLES2Texture>() 00115 { 00116 // lock & copy other mutex pointer 00117 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00118 { 00119 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00120 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00121 pRep = static_cast<GLES2Texture*>(r.getPointer()); 00122 pUseCount = r.useCountPointer(); 00123 if (pUseCount) 00124 { 00125 ++(*pUseCount); 00126 } 00127 } 00128 } 00129 00130 GLES2TexturePtr(const TexturePtr& r) : SharedPtr<GLES2Texture>() 00131 { 00132 *this = r; 00133 } 00134 00136 GLES2TexturePtr& operator=(const ResourcePtr& r) 00137 { 00138 if (pRep == static_cast<GLES2Texture*>(r.getPointer())) 00139 { 00140 return *this; 00141 } 00142 release(); 00143 // lock & copy other mutex pointer 00144 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00145 { 00146 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00147 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00148 pRep = static_cast<GLES2Texture*>(r.getPointer()); 00149 pUseCount = r.useCountPointer(); 00150 if (pUseCount) 00151 { 00152 ++(*pUseCount); 00153 } 00154 } 00155 else 00156 { 00157 // RHS must be a null pointer 00158 assert(r.isNull() && "RHS must be null if it has no mutex!"); 00159 setNull(); 00160 } 00161 return *this; 00162 } 00163 00165 GLES2TexturePtr& operator=(const TexturePtr& r) 00166 { 00167 if (pRep == static_cast<GLES2Texture*>(r.getPointer())) 00168 return *this; 00169 release(); 00170 // lock & copy other mutex pointer 00171 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00172 { 00173 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00174 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00175 pRep = static_cast<GLES2Texture*>(r.getPointer()); 00176 pUseCount = r.useCountPointer(); 00177 if (pUseCount) 00178 { 00179 ++(*pUseCount); 00180 } 00181 } 00182 else 00183 { 00184 // RHS must be a null pointer 00185 assert(r.isNull() && "RHS must be null if it has no mutex!"); 00186 setNull(); 00187 } 00188 return *this; 00189 } 00190 }; 00191 } 00192 00193 #endif
Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Fri May 25 2012 21:48:50