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Object-Oriented Graphics Rendering Engine
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OgreGLES2HardwareIndexBuffer.h
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1 /*
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4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
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7 Copyright (c) 2000-2014 Torus Knot Software Ltd
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28 
29 #ifndef __GLES2HardwareIndexBuffer_H__
30 #define __GLES2HardwareIndexBuffer_H__
31 
32 #include "OgreGLES2Prerequisites.h"
35 
36 namespace Ogre {
38  {
39  private:
40  GLuint mBufferId;
41 
42  protected:
44  void* lockImpl(size_t offset, size_t length, LockOptions options);
46  void unlockImpl(void);
47 
48  void createBuffer();
49 
50  void destroyBuffer();
51 
52 #if OGRE_PLATFORM == OGRE_PLATFORM_ANDROID
53 
54  virtual void notifyOnContextLost();
55 
57  virtual void notifyOnContextReset();
58 #endif
59 
60  public:
61  GLES2HardwareIndexBuffer(HardwareBufferManagerBase* mgr, IndexType idxType, size_t numIndexes,
63  bool useShadowBuffer);
64  virtual ~GLES2HardwareIndexBuffer();
66  void readData(size_t offset, size_t length, void* pDest);
68  void writeData(size_t offset, size_t length,
69  const void* pSource, bool discardWholeBuffer = false);
70 #if OGRE_NO_GLES3_SUPPORT == 0
71 
72  void copyData(HardwareBuffer& srcBuffer, size_t srcOffset,
73  size_t dstOffset, size_t length, bool discardWholeBuffer = false);
74 #endif
75 
76  void _updateFromShadow(void);
77 
78  inline GLuint getGLBufferId(void) const { return mBufferId; }
79  };
80 }
81 
82 #endif
#define _OgreGLES2Export
Specialisation of HardwareBuffer for vertex index buffers, still abstract.
#define MANAGED_RESOURCE
Base definition of a hardware buffer manager.
Usage
Enums describing buffer usage; not mutually exclusive.
Abstract class defining common features of hardware buffers.