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
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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,
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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);
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
Ogre::Exception::ERR_RENDERINGAPI_ERROR
@ ERR_RENDERINGAPI_ERROR
Definition: OgreException.h:104
Ogre::HardwareCounterBufferSharedPtr
Shared pointer implementation used to share counter buffers.
Definition: OgreHardwareCounterBuffer.h:68
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::GLESDefaultHardwareBufferManager::GLESDefaultHardwareBufferManager
GLESDefaultHardwareBufferManager()
Definition: OgreGLESDefaultHardwareBufferManager.h:137
Ogre::HardwareBufferManagerBase
Base definition of a hardware buffer manager.
Definition: OgreHardwareBufferManager.h:113
Ogre::GLESDefaultHardwareIndexBuffer::getDataPtr
void * getDataPtr(size_t offset) const
Definition: OgreGLESDefaultHardwareBufferManager.h:91
Ogre::GLESDefaultHardwareIndexBuffer
Specialisation of HardwareIndexBuffer for emulation.
Definition: OgreGLESDefaultHardwareBufferManager.h:69
OGRE_DELETE
#define OGRE_DELETE
Definition: OgreMemoryAllocatorConfig.h:474
_OgreGLESExport
#define _OgreGLESExport
Definition: OgreGLESPrerequisites.h:139
Ogre::GLESDefaultHardwareVertexBuffer::mData
unsigned char * mData
Definition: OgreGLESDefaultHardwareBufferManager.h:43
Ogre::HardwareIndexBufferSharedPtr
Shared pointer implementation used to share index buffers.
Definition: OgreHardwareIndexBuffer.h:79
OgreGLESPrerequisites.h
Ogre::GLESDefaultHardwareBufferManager::createUniformBuffer
HardwareUniformBufferSharedPtr createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage, bool useShadowBuffer, const String &name="")
Create uniform buffer.
Definition: OgreGLESDefaultHardwareBufferManager.h:147
OgreHardwareIndexBuffer.h
Ogre::GLESDefaultHardwareVertexBuffer
Specialisation of HardwareVertexBuffer for emulation.
Definition: OgreGLESDefaultHardwareBufferManager.h:40
Ogre::String
_StringBase String
Definition: OgrePrerequisites.h:439
Ogre::GLESDefaultHardwareVertexBuffer::getDataPtr
void * getDataPtr(size_t offset) const
Definition: OgreGLESDefaultHardwareBufferManager.h:65
Ogre::HardwareUniformBufferSharedPtr
Shared pointer implementation used to share uniform buffers.
Definition: OgreHardwareUniformBuffer.h:68
Ogre::HardwareIndexBuffer
Specialisation of HardwareBuffer for vertex index buffers, still abstract.
Definition: OgreHardwareIndexBuffer.h:46
Ogre::HardwareVertexBufferSharedPtr
Shared pointer implementation used to share vertex buffers.
Definition: OgreHardwareVertexBuffer.h:86
Ogre::HardwareBufferManager
Singleton wrapper for hardware buffer manager.
Definition: OgreHardwareBufferManager.h:429
Ogre::HardwareIndexBuffer::IndexType
IndexType
Definition: OgreHardwareIndexBuffer.h:49
Ogre::GLESDefaultHardwareBufferManager::~GLESDefaultHardwareBufferManager
~GLESDefaultHardwareBufferManager()
Definition: OgreGLESDefaultHardwareBufferManager.h:142
Ogre::SharedPtr
Reference-counted shared pointer, used for objects where implicit destruction is required.
Definition: OgrePrerequisites.h:310
Ogre::GLESDefaultHardwareBufferManagerBase
Specialisation of HardwareBufferManager to emulate hardware buffers.
Definition: OgreGLESDefaultHardwareBufferManager.h:101
OgreHardwareVertexBuffer.h
Ogre::GLESDefaultHardwareBufferManagerBase::createUniformBuffer
HardwareUniformBufferSharedPtr createUniformBuffer(size_t sizeBytes, HardwareBuffer::Usage usage, bool useShadowBuffer, const String &name="")
Create uniform buffer.
Definition: OgreGLESDefaultHardwareBufferManager.h:117
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE
@ HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE
Combination of HBU_DYNAMIC, HBU_WRITE_ONLY and HBU_DISCARDABLE.
Definition: OgreHardwareBuffer.h:116
Ogre::HardwareVertexBuffer
Specialisation of HardwareBuffer for a vertex buffer.
Definition: OgreHardwareVertexBuffer.h:48
OGRE_NEW
#define OGRE_NEW
Definition: OgreMemoryAllocatorConfig.h:473
Ogre::HardwareBuffer::Usage
Usage
Enums describing buffer usage; not mutually exclusive.
Definition: OgreHardwareBuffer.h:79
Ogre::GLESDefaultHardwareIndexBuffer::mData
unsigned char * mData
Definition: OgreGLESDefaultHardwareBufferManager.h:72
Ogre::HardwareBuffer::LockOptions
LockOptions
Locking options.
Definition: OgreHardwareBuffer.h:121
OgreHardwareBufferManager.h
OGRE_EXCEPT
#define OGRE_EXCEPT(num, desc, src)
Definition: OgreException.h:334
Ogre::GLESDefaultHardwareBufferManager
GLESDefaultHardwareBufferManagerBase as a Singleton.
Definition: OgreGLESDefaultHardwareBufferManager.h:134
Ogre::GLESDefaultHardwareBufferManagerBase::createCounterBuffer
HardwareCounterBufferSharedPtr createCounterBuffer(size_t sizeBytes, HardwareBuffer::Usage usage=HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE, bool useShadowBuffer=false, const String &name="")
Create counter buffer.
Definition: OgreGLESDefaultHardwareBufferManager.h:123

Copyright © 2012 Torus Knot Software Ltd
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Last modified Tue Apr 13 2021 08:53:15