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) 2008 Renato Araujo Oliveira Filho <renatox@gmail.com> 00008 Copyright (c) 2000-2012 Torus Knot Software Ltd 00009 00010 Permission is hereby granted, free of charge, to any person obtaining a copy 00011 of this software and associated documentation files (the "Software"), to deal 00012 in the Software without restriction, including without limitation the rights 00013 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00014 copies of the Software, and to permit persons to whom the Software is 00015 furnished to do so, subject to the following conditions: 00016 00017 The above copyright notice and this permission notice shall be included in 00018 all copies or substantial portions of the Software. 00019 00020 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00021 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00022 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00023 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00024 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00025 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00026 THE SOFTWARE. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 00030 #ifndef __GLESHardwareBufferManager_H__ 00031 #define __GLESHardwareBufferManager_H__ 00032 00033 #include "OgreGLESPrerequisites.h" 00034 #include "OgreHardwareBufferManager.h" 00035 00036 namespace Ogre { 00037 // Default threshold at which glMapBuffer becomes more efficient than glBufferSubData (32k?) 00038 # define OGRE_GL_MAP_BUFFER_THRESHOLD (1024 * 32) 00039 00041 class _OgreGLESExport GLESHardwareBufferManagerBase : public HardwareBufferManagerBase 00042 { 00043 protected: 00044 char* mScratchBufferPool; 00045 OGRE_MUTEX(mScratchMutex) 00046 size_t mMapBufferThreshold; 00047 00048 public: 00049 GLESHardwareBufferManagerBase(); 00050 virtual ~GLESHardwareBufferManagerBase(); 00052 HardwareVertexBufferSharedPtr createVertexBuffer(size_t vertexSize, 00053 size_t numVerts, HardwareBuffer::Usage usage, bool useShadowBuffer = false); 00055 HardwareIndexBufferSharedPtr createIndexBuffer( 00056 HardwareIndexBuffer::IndexType itype, size_t numIndexes, 00057 HardwareBuffer::Usage usage, bool useShadowBuffer = false); 00059 RenderToVertexBufferSharedPtr createRenderToVertexBuffer(); 00060 00062 static GLenum getGLUsage(unsigned int usage); 00063 00065 static GLenum getGLType(unsigned int type); 00066 00074 void* allocateScratch(uint32 size); 00075 00077 void deallocateScratch(void* ptr); 00078 00081 size_t getGLMapBufferThreshold() const; 00082 void setGLMapBufferThreshold( const size_t value ); 00083 }; 00084 00086 class _OgreGLESExport GLESHardwareBufferManager : public HardwareBufferManager 00087 { 00088 public: 00089 GLESHardwareBufferManager() 00090 : HardwareBufferManager(OGRE_NEW GLESHardwareBufferManagerBase()) 00091 { 00092 00093 } 00094 ~GLESHardwareBufferManager() 00095 { 00096 OGRE_DELETE mImpl; 00097 } 00098 00099 00100 00102 static GLenum getGLUsage(unsigned int usage) 00103 { return GLESHardwareBufferManagerBase::getGLUsage(usage); } 00104 00106 static GLenum getGLType(unsigned int type) 00107 { return GLESHardwareBufferManagerBase::getGLType(type); } 00108 00116 void* allocateScratch(uint32 size) 00117 { 00118 return static_cast<GLESHardwareBufferManagerBase*>(mImpl)->allocateScratch(size); 00119 } 00120 00122 void deallocateScratch(void* ptr) 00123 { 00124 static_cast<GLESHardwareBufferManagerBase*>(mImpl)->deallocateScratch(ptr); 00125 } 00128 size_t getGLMapBufferThreshold() const 00129 { 00130 return static_cast<GLESHardwareBufferManagerBase*>(mImpl)->getGLMapBufferThreshold(); 00131 } 00132 void setGLMapBufferThreshold( const size_t value ) 00133 { 00134 static_cast<GLESHardwareBufferManagerBase*>(mImpl)->setGLMapBufferThreshold(value); 00135 } 00136 00137 }; 00138 00139 } 00140 00141 #endif
Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21