OgreGLES2HardwareUniformBuffer.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) 2000-2013 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 #ifndef __GLES2HARDWAREUNIFORMBUFFER_H__
00029 #define __GLES2HARDWAREUNIFORMBUFFER_H__
00030 
00031 #include "OgreGLES2Prerequisites.h"
00032 #include "OgreHardwareUniformBuffer.h"
00033 
00034 #if OGRE_NO_GLES3_SUPPORT == 0
00035 
00036 namespace Ogre {
00037 
00039     class _OgreGLES2Export GLES2HardwareUniformBuffer : public HardwareUniformBuffer
00040     {
00041         private:
00042             GLuint mBufferId;
00043             GLint mBinding;
00044 
00045         protected:
00047             void* lockImpl(size_t offset, size_t length, LockOptions options);
00049             void unlockImpl(void);
00050 
00051         public:
00052             GLES2HardwareUniformBuffer(HardwareBufferManagerBase* mgr, size_t bufferSize, HardwareBuffer::Usage usage,
00053                                          bool useShadowBuffer, const String& name);
00054             ~GLES2HardwareUniformBuffer();
00055 
00057             void readData(size_t offset, size_t length, void* pDest);
00058 
00060             void writeData(size_t offset, size_t length, 
00061                            const void* pSource, bool discardWholeBuffer = false);
00062 
00064             void copyData(HardwareBuffer& srcBuffer, size_t srcOffset, 
00065                           size_t dstOffset, size_t length, bool discardWholeBuffer = false);
00066 
00067             inline GLuint getGLBufferId(void) const { return mBufferId; }
00068             void setGLBufferBinding(GLint binding);
00069             inline GLint getGLBufferBinding(void) const { return mBinding; }
00070     };
00071 }
00072 #endif // __GLES2HARDWAREUNIFORMBUFFER_H__
00073 #endif

Copyright © 2012 Torus Knot Software Ltd
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Last modified Mon Jul 27 2020 13:40:42