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 __GLDefaultHardwareBufferManager_H__ 00030 #define __GLDefaultHardwareBufferManager_H__ 00031 00032 #include "OgreGLPrerequisites.h" 00033 #include "OgreHardwareBufferManager.h" 00034 #include "OgreHardwareVertexBuffer.h" 00035 #include "OgreHardwareIndexBuffer.h" 00036 00037 namespace Ogre { 00038 00040 class _OgreGLExport GLDefaultHardwareVertexBuffer : public HardwareVertexBuffer 00041 { 00042 protected: 00043 unsigned char* mData; 00045 void* lockImpl(size_t offset, size_t length, LockOptions options); 00047 void unlockImpl(void); 00048 00049 public: 00050 GLDefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices, HardwareBuffer::Usage usage); 00051 GLDefaultHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices, 00052 HardwareBuffer::Usage usage); 00053 ~GLDefaultHardwareVertexBuffer(); 00055 void readData(size_t offset, size_t length, void* pDest); 00057 00058 void writeData(size_t offset, size_t length, const void* pSource, 00059 bool discardWholeBuffer = false); 00061 void* lock(size_t offset, size_t length, LockOptions options); 00063 void unlock(void); 00064 00065 //void* getDataPtr(void) const { return (void*)mData; } 00066 void* getDataPtr(size_t offset) const { return (void*)(mData + offset); } 00067 }; 00068 00070 class _OgreGLExport GLDefaultHardwareIndexBuffer : public HardwareIndexBuffer 00071 { 00072 protected: 00073 unsigned char* mData; 00075 void* lockImpl(size_t offset, size_t length, LockOptions options); 00077 void unlockImpl(void); 00078 public: 00079 GLDefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage); 00080 ~GLDefaultHardwareIndexBuffer(); 00082 void readData(size_t offset, size_t length, void* pDest); 00084 void writeData(size_t offset, size_t length, const void* pSource, 00085 bool discardWholeBuffer = false); 00087 void* lock(size_t offset, size_t length, LockOptions options); 00089 void unlock(void); 00090 00091 void* getDataPtr(size_t offset) const { return (void*)(mData + offset); } 00092 }; 00093 00101 class _OgreGLExport GLDefaultHardwareBufferManagerBase : public HardwareBufferManagerBase 00102 { 00103 public: 00104 GLDefaultHardwareBufferManagerBase(); 00105 ~GLDefaultHardwareBufferManagerBase(); 00107 HardwareVertexBufferSharedPtr 00108 createVertexBuffer(size_t vertexSize, size_t numVerts, 00109 HardwareBuffer::Usage usage, bool useShadowBuffer = false); 00111 HardwareIndexBufferSharedPtr 00112 createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes, 00113 HardwareBuffer::Usage usage, bool useShadowBuffer = false); 00115 RenderToVertexBufferSharedPtr createRenderToVertexBuffer(); 00116 00117 }; 00118 00120 class _OgreGLExport GLDefaultHardwareBufferManager : public HardwareBufferManager 00121 { 00122 public: 00123 GLDefaultHardwareBufferManager() 00124 : HardwareBufferManager(OGRE_NEW GLDefaultHardwareBufferManagerBase()) 00125 { 00126 00127 } 00128 ~GLDefaultHardwareBufferManager() 00129 { 00130 OGRE_DELETE mImpl; 00131 } 00132 }; 00133 } 00134 00135 #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