1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // 

    15 

    16 #ifndef KHRONOSAPIWRAPPER_H

    17 #define KHRONOSAPIWRAPPER_H

    18 

    19 #ifndef PSU_PLATFORMTHREADING_H

    20 #include "platformthreading.h"

    21 #endif

    22 

    23 #ifndef PSU_PLATFORMTYPES_H

    24 #include "platformtypes.h"

    25 #endif

    26 

    27 #include "requestbuffer.h"

    28 

    29 class APIWrapperStack;

    30 class RemoteFunctionCall;

    31 class RemoteFunctionCallData;

    32 class DriverAPIWrapper;

    33 class OpenVGAPIWrapper;

    34 class EGLAPIWrapper;

    35 class OGLES11Wrapper;

    36 

    37 #define KHRONOS_API_W_MULTITHREAD

    38 

    39 #ifdef WIN32

    40 #ifdef KHRONOSAPIWRAPPER_EXPORTS

    41 #define KHRONOSAPIWRAPPER_API __declspec(dllexport)

    42 #else

    43 #define KHRONOSAPIWRAPPER_API __declspec(dllimport)

    44 #endif

    45 #else

    46 #define KHRONOSAPIWRAPPER_API

    47 #endif

    48 

    49 class MGraphicsVHWCallback;

    50 

    51 class KHRONOSAPIWRAPPER_API KhronosAPIWrapper: private MRequestBufferBookKeepingReader

    52 {

    53     public:

    54 

    55         KhronosAPIWrapper( MGraphicsVHWCallback* aServiceIf, void* surfacebuffer,

    56             void* inputdata, void* outputdata );

    57         ~KhronosAPIWrapper();

    58 

    59         void WorkerThread();

    60 

    61         unsigned long Execute();

    62         unsigned long InputParameterOffset();

    63 

    64         void SetInputBufferTail(uint32_t p_val);

    65         uint32_t InputBufferTail();

    66         void SetInputBufferHead(uint32_t p_val);

    67         uint32_t InputBufferHead();

    68         void SetInputBufferReadCount(uint32_t p_val);

    69         uint32_t InputBufferReadCount();

    70         void SetInputBufferWriteCount(uint32_t p_val);

    71         uint32_t InputBufferWriteCount();

    72         void IncrementInputBufferReadCount( TUint32 aReadCount );

    73         TUint32 InputMaxTailIndex();

    74         void SetInputMaxTailIndex( TUint32 aIndex );

    75 

    76 		//For the purpose of wrappers that need each other's services

    77 		DriverAPIWrapper* GetDriverWrapper() { return m_DriverAPIWrapper; }

    78 		EGLAPIWrapper* GetEGLWrapper() { return m_EGLWrapper; }

    79 

    80     private:

    81 //From MRequestBufferBookKeeping

    82         TUint32 GetWriteCount();

    83         void IncrementReadCount( TUint32 aReadCount );

    84         TUint32 GetReadCount();

    85 

    86         TUint32 BufferTail();

    87         void SetBufferTail( TUint32 aIndex );

    88         TUint32 BufferHead();

    89 

    90         TUint32 MaxTailIndex();

    91         void SetMaxTailIndex( TUint32 aIndex );

    92 

    93     protected:

    94         int HandleNextRequest();

    95         bool m_initDone;

    96         void* m_currentResult;

    97         void* m_currentInput;

    98         MGraphicsVHWCallback* iServiceIf;

    99         Psu::PLATFORM_THREAD_T m_threadHandle;

   100         Psu::PLATFORM_SEMAPHORE_T m_SemapHandle;

   101         bool m_exit;

   102         void* m_surfaceBuffer;

   103 

   104 //Input buffer

   105         Psu::PLATFORM_MUTEX_T m_InputBufferMutex;

   106         uint32_t m_InputBufferTail;

   107         uint32_t m_InputBufferHead;

   108         uint32_t m_InputBufferReadCount;

   109         uint32_t m_InputbufferWriteCount;

   110         uint32_t m_InputBufferMaxTailIndex;

   111     private:

   112         RequestBufferReader* m_InputRequestBuffer;

   113         APIWrapperStack* iStack;

   114 		TUint32 m_lastProcessId;

   115 		TUint32 m_lastThreadId;

   116 		int m_lastVgError;

   117 		int m_lastEglError;

   118 		DriverAPIWrapper* m_DriverAPIWrapper;

   119 		OpenVGAPIWrapper* m_OpenVGWrapper;

   120 		OGLES11Wrapper* m_OGLESWrapper;

   121 		EGLAPIWrapper* m_EGLWrapper;

   122 

   123 		RemoteFunctionCallData* iRFCData;

   124 };

   125 #endif