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

     2  *

     3  * Permission is hereby granted, free of charge, to any person obtaining a

     4  * copy of this software and /or associated documentation files

     5  * (the "Materials "), to deal in the Materials without restriction,

     6  * including without limitation the rights to use, copy, modify, merge,

     7  * publish, distribute, sublicense, and/or sell copies of the Materials,

     8  * and to permit persons to whom the Materials are furnished to do so,

     9  * subject to the following conditions:

    10  *

    11  * The above copyright notice and this permission notice shall be included

    12  * in all copies or substantial portions of the Materials.

    13  *

    14  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

    15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

    16  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

    17  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

    18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

    19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR

    20  * THE USE OR OTHER DEALINGS IN THE MATERIALS.

    21  *

    22  * Initial Contributors:

    23  * Nokia Corporation - initial contribution.

    24  *

    25  * Contributors:

    26  *

    27  * Description:

    28  *

    29  */

    30 

    31 #ifndef _EGLTHREAD_H_

    32 #define _EGLTHREAD_H_

    33 

    34 #include <EGL/egl.h>

    35 #include "eglInternal.h"

    36 

    37 class CEGLSurface;

    38 class CEGLContext;

    39 

    40 class CEGLThread

    41 {

    42 public:

    43 	CEGLThread( EGLI_THREAD_ID threadId, EGLint supportedApis );

    44 	~CEGLThread(void);

    45 

    46 public:

    47     inline EGLI_THREAD_ID Id() const { return m_id; }

    48     void SetError( EGLint error ) { m_lastError = error; }

    49     inline EGLint Error() const { return m_lastError; }

    50 

    51     inline void SetApi( EGLint api ) { m_currentApi = api; }

    52     inline EGLenum CurrentApi() const { return m_currentApi; }

    53     bool IsSupportedApi( EGLenum api ) const;

    54 

    55     CEGLContext* SwitchVGContext( CEGLContext* vgContext );

    56     inline CEGLContext* CurrentVGContext() const { return m_currentVGContext; }

    57     CEGLSurface* SwitchVGSurface( CEGLSurface* vgSurface );

    58     inline CEGLSurface* CurrentVGSurface() const { return m_currentVGSurface; }

    59 

    60 	CEGLContext* SwitchGLESContext( CEGLContext* glesContext );

    61 	inline CEGLContext* CurrentGLESContext() const { return m_currentGLESContext; }

    62 	void SwitchGLESSurfaces( CEGLSurface* read, CEGLSurface* draw, CEGLSurface*& previousRead, CEGLSurface*& previousDraw );

    63     void CurrentGLESSurfaces( CEGLSurface** read, CEGLSurface** draw ) const;

    64 

    65 private:

    66     EGLI_THREAD_ID  m_id;

    67 	CEGLContext*    m_currentVGContext;

    68     CEGLSurface*    m_currentVGSurface;

    69     CEGLContext*    m_currentGLESContext;

    70 	CEGLSurface*    m_currentGLESReadSurface;

    71     CEGLSurface*    m_currentGLESDrawSurface;

    72     EGLenum         m_currentApi;

    73     EGLint          m_lastError;

    74     // Copy of CEGLState::m_supportedApis so we don't need to access state

    75     // on thread specific API calls.

    76     EGLint          m_supportedApis; 

    77 };

    78 #endif //_EGLTHREAD_H_