OgreGL3PlusHardwareVertexBuffer.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/
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28 #ifndef __GL3PlusHARDWAREVERTEXBUFFER_H__
29 #define __GL3PlusHARDWAREVERTEXBUFFER_H__
30 
33 
34 namespace Ogre {
35 
38  {
39  private:
40  GLuint mBufferId;
41  GLsync mFence;
42  // Scratch buffer handling
45  size_t mScratchSize;
46  void* mScratchPtr;
48 
49  protected:
51  void* lockImpl(size_t offset, size_t length, LockOptions options);
53  void unlockImpl(void);
54 
55  public:
56  GL3PlusHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
57  HardwareBuffer::Usage usage, bool useShadowBuffer);
59 
61  void readData(size_t offset, size_t length, void* pDest);
62 
64  void writeData(size_t offset, size_t length,
65  const void* pSource, bool discardWholeBuffer = false);
66 
68  void copyData(HardwareBuffer& srcBuffer, size_t srcOffset,
69  size_t dstOffset, size_t length, bool discardWholeBuffer = false);
70 
72  void _updateFromShadow(void);
73 
74  inline GLuint getGLBufferId(void) const { return mBufferId; }
75  void setFence(void);
76  };
77 }
78 #endif // __GL3PlusHARDWAREVERTEXBUFFER_H__
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::GL3PlusHardwareVertexBuffer::mScratchSize
size_t mScratchSize
Definition: OgreGL3PlusHardwareVertexBuffer.h:45
Ogre::HardwareBufferManagerBase
Base definition of a hardware buffer manager.
Definition: OgreHardwareBufferManager.h:113
Ogre::GL3PlusHardwareVertexBuffer
Specialisation of HardwareVertexBuffer for OpenGL.
Definition: OgreGL3PlusHardwareVertexBuffer.h:37
Ogre::GL3PlusHardwareVertexBuffer::mLockedToScratch
bool mLockedToScratch
Definition: OgreGL3PlusHardwareVertexBuffer.h:43
Ogre::GL3PlusHardwareVertexBuffer::mBufferId
GLuint mBufferId
Definition: OgreGL3PlusHardwareVertexBuffer.h:40
_OgreGL3PlusExport
#define _OgreGL3PlusExport
Definition: OgreGL3PlusPrerequisites.h:91
OgreGL3PlusPrerequisites.h
Ogre::GL3PlusHardwareVertexBuffer::getGLBufferId
GLuint getGLBufferId(void) const
Definition: OgreGL3PlusHardwareVertexBuffer.h:74
OgreHardwareVertexBuffer.h
Ogre::HardwareBuffer
Abstract class defining common features of hardware buffers.
Definition: OgreHardwareBuffer.h:74
Ogre::GL3PlusHardwareVertexBuffer::mScratchUploadOnUnlock
bool mScratchUploadOnUnlock
Definition: OgreGL3PlusHardwareVertexBuffer.h:47
Ogre::HardwareVertexBuffer
Specialisation of HardwareBuffer for a vertex buffer.
Definition: OgreHardwareVertexBuffer.h:48
Ogre::GL3PlusHardwareVertexBuffer::mScratchPtr
void * mScratchPtr
Definition: OgreGL3PlusHardwareVertexBuffer.h:46
Ogre::HardwareBuffer::Usage
Usage
Enums describing buffer usage; not mutually exclusive.
Definition: OgreHardwareBuffer.h:79
Ogre::HardwareBuffer::LockOptions
LockOptions
Locking options.
Definition: OgreHardwareBuffer.h:121
Ogre::GL3PlusHardwareVertexBuffer::mScratchOffset
size_t mScratchOffset
Definition: OgreGL3PlusHardwareVertexBuffer.h:44
Ogre::GL3PlusHardwareVertexBuffer::mFence
GLsync mFence
Definition: OgreGL3PlusHardwareVertexBuffer.h:41

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