OgreGL3PlusHardwareIndexBuffer.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) 2000-2013 Torus Knot Software Ltd
8 
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10 of this software and associated documentation files (the "Software"), to deal
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28 
29 #ifndef __GL3PlusHardwareIndexBuffer_H__
30 #define __GL3PlusHardwareIndexBuffer_H__
31 
34 
35 namespace Ogre {
37  {
38  private:
39  GLuint mBufferId;
40  // Scratch buffer handling
43  size_t mScratchSize;
44  void* mScratchPtr;
46 
47  protected:
49  void* lockImpl(size_t offset, size_t length, LockOptions options);
51  void unlockImpl(void);
52 
53  public:
54  GL3PlusHardwareIndexBuffer(HardwareBufferManagerBase* mgr, IndexType idxType, size_t numIndexes,
56  bool useShadowBuffer);
59  void readData(size_t offset, size_t length, void* pDest);
61  void writeData(size_t offset, size_t length,
62  const void* pSource, bool discardWholeBuffer = false);
64  void copyData(HardwareBuffer& srcBuffer, size_t srcOffset,
65  size_t dstOffset, size_t length, bool discardWholeBuffer = false);
67  void _updateFromShadow(void);
68 
69  GLuint getGLBufferId(void) const { return mBufferId; }
70  };
71 }
72 
73 #endif // __GL3PlusHARDWAREINDEXBUFFER_H__
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::GL3PlusHardwareIndexBuffer::mScratchPtr
void * mScratchPtr
Definition: OgreGL3PlusHardwareIndexBuffer.h:44
Ogre::HardwareBufferManagerBase
Base definition of a hardware buffer manager.
Definition: OgreHardwareBufferManager.h:113
Ogre::GL3PlusHardwareIndexBuffer::mBufferId
GLuint mBufferId
Definition: OgreGL3PlusHardwareIndexBuffer.h:39
OgreHardwareIndexBuffer.h
Ogre::HardwareIndexBuffer
Specialisation of HardwareBuffer for vertex index buffers, still abstract.
Definition: OgreHardwareIndexBuffer.h:46
_OgreGL3PlusExport
#define _OgreGL3PlusExport
Definition: OgreGL3PlusPrerequisites.h:91
Ogre::HardwareIndexBuffer::IndexType
IndexType
Definition: OgreHardwareIndexBuffer.h:49
OgreGL3PlusPrerequisites.h
Ogre::GL3PlusHardwareIndexBuffer::getGLBufferId
GLuint getGLBufferId(void) const
Definition: OgreGL3PlusHardwareIndexBuffer.h:69
Ogre::GL3PlusHardwareIndexBuffer
Definition: OgreGL3PlusHardwareIndexBuffer.h:36
Ogre::GL3PlusHardwareIndexBuffer::mScratchUploadOnUnlock
bool mScratchUploadOnUnlock
Definition: OgreGL3PlusHardwareIndexBuffer.h:45
Ogre::HardwareBuffer
Abstract class defining common features of hardware buffers.
Definition: OgreHardwareBuffer.h:74
Ogre::GL3PlusHardwareIndexBuffer::mScratchOffset
size_t mScratchOffset
Definition: OgreGL3PlusHardwareIndexBuffer.h:42
Ogre::HardwareBuffer::Usage
Usage
Enums describing buffer usage; not mutually exclusive.
Definition: OgreHardwareBuffer.h:79
Ogre::GL3PlusHardwareIndexBuffer::mScratchSize
size_t mScratchSize
Definition: OgreGL3PlusHardwareIndexBuffer.h:43
Ogre::HardwareBuffer::LockOptions
LockOptions
Locking options.
Definition: OgreHardwareBuffer.h:121
Ogre::GL3PlusHardwareIndexBuffer::mLockedToScratch
bool mLockedToScratch
Definition: OgreGL3PlusHardwareIndexBuffer.h:41

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