OgreGLESDefaultHardwareBufferManager.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) 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 __GLESDefaultHardwareBufferManager_H__
    00031 #define __GLESDefaultHardwareBufferManager_H__
    00032
    00033 #include "OgreGLESPrerequisites.h"
    00034 #include "OgreHardwareBufferManager.h"
    00035 #include "OgreHardwareVertexBuffer.h"
    00036 #include "OgreHardwareIndexBuffer.h"
    00037
    00038 namespace Ogre {
    00040     class _OgreGLESExport GLESDefaultHardwareVertexBuffer : 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             GLESDefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices,
    00051                                             HardwareBuffer::Usage usage);
    00052             GLESDefaultHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
    00053                                             HardwareBuffer::Usage usage);
    00054             virtual ~GLESDefaultHardwareVertexBuffer();
    00056             void readData(size_t offset, size_t length, void* pDest);
    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(size_t offset) const { return (void*)(mData + offset); }
    00066     };
    00067
    00069     class _OgreGLESExport GLESDefaultHardwareIndexBuffer : public HardwareIndexBuffer
    00070     {
    00071         protected:
    00072             unsigned char* mData;
    00074             void* lockImpl(size_t offset, size_t length, LockOptions options);
    00076             void unlockImpl(void);
    00077
    00078         public:
    00079             GLESDefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
    00080             virtual ~GLESDefaultHardwareIndexBuffer();
    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 _OgreGLESExport GLESDefaultHardwareBufferManagerBase : public HardwareBufferManagerBase
    00102     {
    00103         public:
    00104             GLESDefaultHardwareBufferManagerBase();
    00105             virtual ~GLESDefaultHardwareBufferManagerBase();
    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(void);
    00116     };
    00117
    00119     class _OgreGLESExport GLESDefaultHardwareBufferManager : public HardwareBufferManager
    00120     {
    00121     public:
    00122         GLESDefaultHardwareBufferManager()
    00123             : HardwareBufferManager(OGRE_NEW GLESDefaultHardwareBufferManagerBase())
    00124         {
    00125
    00126         }
    00127         ~GLESDefaultHardwareBufferManager()
    00128         {
    00129             OGRE_DELETE mImpl;
    00130         }
    00131     };
    00132 }
    00133
    00134 #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