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// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef KHRONOSAPIWRAPPER_H
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#define KHRONOSAPIWRAPPER_H
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#ifndef PSU_PLATFORMTHREADING_H
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#include "platformthreading.h"
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#endif
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#ifndef PSU_PLATFORMTYPES_H
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#include "platformtypes.h"
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#endif
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#include "requestbuffer.h"
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class APIWrapperStack;
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class RemoteFunctionCall;
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class RemoteFunctionCallData;
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class DriverAPIWrapper;
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class OpenVGAPIWrapper;
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class EGLAPIWrapper;
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class OGLES11Wrapper;
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#define KHRONOS_API_W_MULTITHREAD
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#ifdef WIN32
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#ifdef KHRONOSAPIWRAPPER_EXPORTS
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#define KHRONOSAPIWRAPPER_API __declspec(dllexport)
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#else
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#define KHRONOSAPIWRAPPER_API __declspec(dllimport)
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#endif
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#else
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#define KHRONOSAPIWRAPPER_API
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#endif
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class MGraphicsVHWCallback;
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class KHRONOSAPIWRAPPER_API KhronosAPIWrapper: private MRequestBufferBookKeepingReader
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{
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public:
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KhronosAPIWrapper( MGraphicsVHWCallback* aServiceIf, void* framebuffer,
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void* inputdata, void* outputdata );
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~KhronosAPIWrapper();
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void WorkerThread();
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unsigned long Execute();
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unsigned long InputParameterOffset();
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void SetInputBufferTail(uint32_t p_val);
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uint32_t InputBufferTail();
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void SetInputBufferHead(uint32_t p_val);
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uint32_t InputBufferHead();
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void SetInputBufferReadCount(uint32_t p_val);
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uint32_t InputBufferReadCount();
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void SetInputBufferWriteCount(uint32_t p_val);
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uint32_t InputBufferWriteCount();
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void IncrementInputBufferReadCount( TUint32 aReadCount );
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TUint32 InputMaxTailIndex();
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void SetInputMaxTailIndex( TUint32 aIndex );
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//For the purpose of wrappers that need each other's services
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DriverAPIWrapper* GetDriverWrapper() { return m_DriverAPIWrapper; }
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EGLAPIWrapper* GetEGLWrapper() { return m_EGLWrapper; }
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private:
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//From MRequestBufferBookKeeping
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TUint32 GetWriteCount();
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void IncrementReadCount( TUint32 aReadCount );
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TUint32 GetReadCount();
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TUint32 BufferTail();
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void SetBufferTail( TUint32 aIndex );
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TUint32 BufferHead();
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TUint32 MaxTailIndex();
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void SetMaxTailIndex( TUint32 aIndex );
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protected:
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int HandleNextRequest();
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bool m_initDone;
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void* m_currentResult;
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void* m_currentInput;
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MGraphicsVHWCallback* iServiceIf;
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Psu::PLATFORM_THREAD_T m_threadHandle;
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Psu::PLATFORM_SEMAPHORE_T m_SemapHandle;
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bool m_exit;
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void* m_frameBuffer;
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//Input buffer
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Psu::PLATFORM_MUTEX_T m_InputBufferMutex;
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uint32_t m_InputBufferTail;
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uint32_t m_InputBufferHead;
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uint32_t m_InputBufferReadCount;
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uint32_t m_InputbufferWriteCount;
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uint32_t m_InputBufferMaxTailIndex;
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private:
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RequestBufferReader* m_InputRequestBuffer;
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APIWrapperStack* iStack;
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TUint32 m_lastProcessId;
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TUint32 m_lastThreadId;
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int m_lastVgError;
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int m_lastEglError;
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DriverAPIWrapper* m_DriverAPIWrapper;
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OpenVGAPIWrapper* m_OpenVGWrapper;
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OGLES11Wrapper* m_OGLESWrapper;
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EGLAPIWrapper* m_EGLWrapper;
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RemoteFunctionCallData* iRFCData;
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};
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#endif
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