OgreGLES2HardwareVertexBuffer.h
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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004     (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028
    00029 #ifndef __GLES2HardwareVertexBuffer_H__
    00030 #define __GLES2HardwareVertexBuffer_H__
    00031
    00032 #include "OgreGLES2Prerequisites.h"
    00033 #include "OgreHardwareVertexBuffer.h"
    00034
    00035 namespace Ogre {
    00037     class _OgreGLES2Export GLES2HardwareVertexBuffer : public HardwareVertexBuffer
    00038     {
    00039         private:
    00040             GLuint mBufferId;
    00041             // Scratch buffer handling
    00042             bool mLockedToScratch;
    00043             size_t mScratchOffset;
    00044             size_t mScratchSize;
    00045             void* mScratchPtr;
    00046             bool mScratchUploadOnUnlock;
    00047
    00048         protected:
    00050             void* lockImpl(size_t offset, size_t length, LockOptions options);
    00052             void unlockImpl(void);
    00053
    00054         public:
    00055             GLES2HardwareVertexBuffer(HardwareBufferManagerBase* mgr, size_t vertexSize, size_t numVertices,
    00056                                    HardwareBuffer::Usage usage, bool useShadowBuffer);
    00057             virtual ~GLES2HardwareVertexBuffer();
    00058
    00060             void readData(size_t offset, size_t length, void* pDest);
    00061
    00063             void writeData(size_t offset, size_t length,
    00064                            const void* pSource, bool discardWholeBuffer = false);
    00065
    00067             void _updateFromShadow(void);
    00068
    00069             inline GLuint getGLBufferId(void) const { return mBufferId; }
    00070     };
    00071 }
    00072
    00073 #endif

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:21