OgreGLESHardwareIndexBuffer.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) 2008 Renato Araujo Oliveira Filho <renatox@gmail.com>
    00008 Copyright (c) 2000-2012 Torus Knot Software Ltd
    00009
    00010 Permission is hereby granted, free of charge, to any person obtaining a copy
    00011 of this software and associated documentation files (the "Software"), to deal
    00012 in the Software without restriction, including without limitation the rights
    00013 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00014 copies of the Software, and to permit persons to whom the Software is
    00015 furnished to do so, subject to the following conditions:
    00016
    00017 The above copyright notice and this permission notice shall be included in
    00018 all copies or substantial portions of the Software.
    00019
    00020 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00021 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00022 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00023 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00024 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00025 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00026 THE SOFTWARE.
    00027 -----------------------------------------------------------------------------
    00028 */
    00029
    00030 #ifndef __GLESHardwareIndexBuffer_H__
    00031 #define __GLESHardwareIndexBuffer_H__
    00032
    00033 #include "OgreGLESPrerequisites.h"
    00034 #include "OgreHardwareIndexBuffer.h"
    00035
    00036 namespace Ogre {
    00037     class _OgreGLESExport GLESHardwareIndexBuffer : public HardwareIndexBuffer
    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             GLESHardwareIndexBuffer(HardwareBufferManagerBase* mgr, IndexType idxType, size_t numIndexes,
    00056                                   HardwareBuffer::Usage usage,
    00057                                   bool useShadowBuffer);
    00058             virtual ~GLESHardwareIndexBuffer();
    00060             void readData(size_t offset, size_t length, void* pDest);
    00062             void writeData(size_t offset, size_t length,
    00063                 const void* pSource, bool discardWholeBuffer = false);
    00065             void _updateFromShadow(void);
    00066
    00067             GLuint getGLBufferId(void) const { return mBufferId; }
    00068     };
    00069 }
    00070
    00071 #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