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