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Object-Oriented Graphics Rendering Engine
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OgreGLESDefaultHardwareBufferManager.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2008 Renato Araujo Oliveira Filho <renatox@gmail.com>
8 Copyright (c) 2000-2013 Torus Knot Software Ltd
9 
10 Permission is hereby granted, free of charge, to any person obtaining a copy
11 of this software and associated documentation files (the "Software"), to deal
12 in the Software without restriction, including without limitation the rights
13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 copies of the Software, and to permit persons to whom the Software is
15 furnished to do so, subject to the following conditions:
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17 The above copyright notice and this permission notice shall be included in
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20 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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26 THE SOFTWARE.
27 -----------------------------------------------------------------------------
28 */
29 
30 #ifndef __GLESDefaultHardwareBufferManager_H__
31 #define __GLESDefaultHardwareBufferManager_H__
32 
33 #include "OgreGLESPrerequisites.h"
37 
38 namespace Ogre {
41  {
42  protected:
43  unsigned char* mData;
45  void* lockImpl(size_t offset, size_t length, LockOptions options);
47  void unlockImpl(void);
48 
49  public:
50  GLESDefaultHardwareVertexBuffer(size_t vertexSize, size_t numVertices,
51  HardwareBuffer::Usage usage);
52  GLESDefaultHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
53  HardwareBuffer::Usage usage);
56  void readData(size_t offset, size_t length, void* pDest);
58  void writeData(size_t offset, size_t length, const void* pSource,
59  bool discardWholeBuffer = false);
61  void* lock(size_t offset, size_t length, LockOptions options);
63  void unlock(void);
64 
65  void* getDataPtr(size_t offset) const { return (void*)(mData + offset); }
66  };
67 
70  {
71  protected:
72  unsigned char* mData;
74  void* lockImpl(size_t offset, size_t length, LockOptions options);
76  void unlockImpl(void);
77 
78  public:
79  GLESDefaultHardwareIndexBuffer(IndexType idxType, size_t numIndexes, HardwareBuffer::Usage usage);
82  void readData(size_t offset, size_t length, void* pDest);
84  void writeData(size_t offset, size_t length, const void* pSource,
85  bool discardWholeBuffer = false);
87  void* lock(size_t offset, size_t length, LockOptions options);
89  void unlock(void);
90 
91  void* getDataPtr(size_t offset) const { return (void*)(mData + offset); }
92  };
93 
102  {
103  public:
108  createVertexBuffer(size_t vertexSize, size_t numVerts,
109  HardwareBuffer::Usage usage, bool useShadowBuffer = false);
112  createIndexBuffer(HardwareIndexBuffer::IndexType itype, size_t numIndexes,
113  HardwareBuffer::Usage usage, bool useShadowBuffer = false);
115  RenderToVertexBufferSharedPtr createRenderToVertexBuffer(void);
116  };
117 
120  {
121  public:
124  {
125 
126  }
128  {
129  OGRE_DELETE mImpl;
130  }
131  };
132 }
133 
134 #endif
Singleton wrapper for hardware buffer manager.
Specialisation of HardwareBuffer for vertex index buffers, still abstract.
Shared pointer implementation used to share index buffers.
#define _OgreGLESExport
Shared pointer implementation used to share index buffers.
LockOptions
Locking options.
Base definition of a hardware buffer manager.
Usage
Enums describing buffer usage; not mutually exclusive.
#define OGRE_DELETE
Specialisation of HardwareIndexBuffer for emulation.
#define OGRE_NEW
Specialisation of HardwareVertexBuffer for emulation.
Specialisation of HardwareBuffer for a vertex buffer.
Reference-counted shared pointer, used for objects where implicit destruction is required.
Definition: OgreSharedPtr.h:60
GLESDefaultHardwareBufferManagerBase as a Singleton.
Specialisation of HardwareBufferManager to emulate hardware buffers.