OgreGLESHardwareVertexBuffer.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
12 in the Software without restriction, including without limitation the rights
13 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 copies of the Software, and to permit persons to whom the Software is
15 furnished to do so, subject to the following conditions:
16 
17 The above copyright notice and this permission notice shall be included in
18 all copies or substantial portions of the Software.
19 
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,
22 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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26 THE SOFTWARE.
27 -----------------------------------------------------------------------------
28 */
29 
30 #ifndef __GLESHardwareVertexBuffer_H__
31 #define __GLESHardwareVertexBuffer_H__
32 
33 #include "OgreGLESPrerequisites.h"
36 
37 namespace Ogre {
40  {
41  private:
42  GLuint mBufferId;
43  // Scratch buffer handling
46  size_t mScratchSize;
47  void* mScratchPtr;
49 
50  protected:
52  void* lockImpl(size_t offset, size_t length, LockOptions options);
54  void unlockImpl(void);
55 
56  void createBuffer();
57 
58  void destroyBuffer();
59 
60 #if OGRE_PLATFORM == OGRE_PLATFORM_ANDROID
61 
62  virtual void notifyOnContextLost();
63 
65  virtual void notifyOnContextReset();
66 #endif
67 
68  public:
69  GLESHardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
70  HardwareBuffer::Usage usage, bool useShadowBuffer);
71  virtual ~GLESHardwareVertexBuffer();
72 
74  void readData(size_t offset, size_t length, void* pDest);
75 
77  void writeData(size_t offset, size_t length,
78  const void* pSource, bool discardWholeBuffer = false);
79 
81  void _updateFromShadow(void);
82 
83  GLuint getGLBufferId(void) const { return mBufferId; }
84  };
85 }
86 
87 #endif
Ogre::GLESHardwareVertexBuffer::mScratchOffset
size_t mScratchOffset
Definition: OgreGLESHardwareVertexBuffer.h:45
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::GLESHardwareVertexBuffer::getGLBufferId
GLuint getGLBufferId(void) const
Definition: OgreGLESHardwareVertexBuffer.h:83
OgreGLESManagedResource.h
Ogre::GLESHardwareVertexBuffer::mScratchSize
size_t mScratchSize
Definition: OgreGLESHardwareVertexBuffer.h:46
Ogre::HardwareBufferManagerBase
Base definition of a hardware buffer manager.
Definition: OgreHardwareBufferManager.h:113
_OgreGLESExport
#define _OgreGLESExport
Definition: OgreGLESPrerequisites.h:139
OgreGLESPrerequisites.h
Ogre::GLESHardwareVertexBuffer::mScratchPtr
void * mScratchPtr
Definition: OgreGLESHardwareVertexBuffer.h:47
Ogre::GLESHardwareVertexBuffer::mBufferId
GLuint mBufferId
Definition: OgreGLESHardwareVertexBuffer.h:42
OgreHardwareVertexBuffer.h
MANAGED_RESOURCE
#define MANAGED_RESOURCE
Definition: OgreGLESManagedResource.h:33
Ogre::GLESHardwareVertexBuffer::mScratchUploadOnUnlock
bool mScratchUploadOnUnlock
Definition: OgreGLESHardwareVertexBuffer.h:48
Ogre::HardwareVertexBuffer
Specialisation of HardwareBuffer for a vertex buffer.
Definition: OgreHardwareVertexBuffer.h:48
Ogre::HardwareBuffer::Usage
Usage
Enums describing buffer usage; not mutually exclusive.
Definition: OgreHardwareBuffer.h:79
Ogre::GLESHardwareVertexBuffer
Specialisation of HardwareVertexBuffer for OpenGL ES.
Definition: OgreGLESHardwareVertexBuffer.h:39
Ogre::GLESHardwareVertexBuffer::mLockedToScratch
bool mLockedToScratch
Definition: OgreGLESHardwareVertexBuffer.h:44

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