OgreGLES2DefaultHardwareBufferManager.h
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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 __GLES2DefaultHardwareBufferManager_H__
00030 #define __GLES2DefaultHardwareBufferManager_H__
00031 
00032 #include "OgreGLES2Prerequisites.h"
00033 #include "OgreHardwareBufferManager.h"
00034 #include "OgreHardwareVertexBuffer.h"
00035 #include "OgreHardwareIndexBuffer.h"
00036 
00037 namespace Ogre {
00039     class _OgreGLES2Export GLES2DefaultHardwareVertexBuffer : public HardwareVertexBuffer
00040     {
00041         protected:
00042             unsigned char* mData;
00044             void* lockImpl(size_t offset, size_t length, LockOptions options);
00046             void unlockImpl(void);
00047 
00048         public:
00049             GLES2DefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices,
00050                                           HardwareBuffer::Usage usage);
00051             GLES2DefaultHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices, 
00052                                           HardwareBuffer::Usage usage);
00053             virtual ~GLES2DefaultHardwareVertexBuffer();
00055             void readData(size_t offset, size_t length, void* pDest);
00057             void writeData(size_t offset, size_t length, const void* pSource,
00058                            bool discardWholeBuffer = false);
00060             void* lock(size_t offset, size_t length, LockOptions options);
00062             void unlock(void);
00063 
00064             void* getDataPtr(size_t offset) const { return (void*)(mData + offset); }
00065     };
00066 
00068     class _OgreGLES2Export GLES2DefaultHardwareIndexBuffer : public HardwareIndexBuffer
00069     {
00070         protected:
00071             unsigned char* mData;
00073             void* lockImpl(size_t offset, size_t length, LockOptions options);
00075             void unlockImpl(void);
00076 
00077         public:
00078             GLES2DefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
00079             virtual ~GLES2DefaultHardwareIndexBuffer();
00081             void readData(size_t offset, size_t length, void* pDest);
00083             void writeData(size_t offset, size_t length, const void* pSource,
00084                     bool discardWholeBuffer = false);
00086             void* lock(size_t offset, size_t length, LockOptions options);
00088             void unlock(void);
00089 
00090             void* getDataPtr(size_t offset) const { return (void*)(mData + offset); }
00091     };
00092 
00100     class _OgreGLES2Export GLES2DefaultHardwareBufferManagerBase : public HardwareBufferManagerBase
00101     {
00102         public:
00103             GLES2DefaultHardwareBufferManagerBase();
00104             virtual ~GLES2DefaultHardwareBufferManagerBase();
00106             HardwareVertexBufferSharedPtr
00107                 createVertexBuffer(size_t vertexSize, size_t numVerts,
00108                     HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00110             HardwareIndexBufferSharedPtr
00111                 createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes,
00112                     HardwareBuffer::Usage usage, bool useShadowBuffer = false);
00114         RenderToVertexBufferSharedPtr createRenderToVertexBuffer(void);
00115     };
00116 
00118     class _OgreGLES2Export GLES2DefaultHardwareBufferManager : public HardwareBufferManager
00119     {
00120     public:
00121         GLES2DefaultHardwareBufferManager()
00122             : HardwareBufferManager(OGRE_NEW GLES2DefaultHardwareBufferManagerBase()) 
00123         {
00124 
00125         }
00126         ~GLES2DefaultHardwareBufferManager()
00127         {
00128             OGRE_DELETE mImpl;
00129         }
00130     };
00131 }
00132 
00133 #endif

Copyright © 2012 Torus Knot Software Ltd
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This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21