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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) 2000-2014 Torus Knot Software Ltd
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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
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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, UploadOptions uploadOpt = HBU_DEFAULT);
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, UploadOptions uploadOpt = HBU_DEFAULT);
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);
117  createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage,bool useShadowBuffer, const String& name = "")
118  {
120  "GLES does not support uniform buffer objects",
121  "GLESDefaultHardwareBufferManagerBase::createUniformBuffer");
122  }
125  bool useShadowBuffer = false, const String& name = "")
126  {
128  "GLES does not support atomic counter buffers",
129  "GLESDefaultHardwareBufferManagerBase::createCounterBuffer");
130  }
131  };
132 
135  {
136  public:
139  {
140 
141  }
143  {
144  OGRE_DELETE mImpl;
145  }
147  createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage,bool useShadowBuffer, const String& name = "")
148  {
150  "GLES does not support render to vertex buffer objects",
151  "GLESDefaultHardwareBufferManager::createUniformBuffer");
152  }
153  };
154 }
155 
156 #endif
HardwareUniformBufferSharedPtr createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage, bool useShadowBuffer, const String &name="")
Create uniform buffer.
Singleton wrapper for hardware buffer manager.
HardwareCounterBufferSharedPtr createCounterBuffer(size_t sizeBytes, HardwareBuffer::Usage usage=HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE, bool useShadowBuffer=false, const String &name="")
Create counter buffer.
Shared pointer implementation used to share uniform buffers.
Specialisation of HardwareBuffer for vertex index buffers, still abstract.
Shared pointer implementation used to share vertex buffers.
HardwareUniformBufferSharedPtr createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage, bool useShadowBuffer, const String &name="")
Create uniform buffer.
#define _OgreGLESExport
Combination of HBU_DYNAMIC, HBU_WRITE_ONLY and HBU_DISCARDABLE.
Shared pointer implementation used to share index buffers.
LockOptions
Locking options.
#define OGRE_EXCEPT(num, desc, src)
Base definition of a hardware buffer manager.
Usage
Enums describing buffer usage; not mutually exclusive.
UploadOptions
Device load options The following enum is used to controls how data is loaded to devices in a multi d...
#define OGRE_DELETE
Specialisation of HardwareIndexBuffer for emulation.
#define OGRE_NEW
Shared pointer implementation used to share counter buffers.
Specialisation of HardwareVertexBuffer for emulation.
Specialisation of HardwareBuffer for a vertex buffer.
Reference-counted shared pointer, used for objects where implicit destruction is required.
_StringBase String
Definition: OgreCommon.h:53
GLESDefaultHardwareBufferManagerBase as a Singleton.
Specialisation of HardwareBufferManager to emulate hardware buffers.