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 _GLESINTERFACE_H_

    32 #define _GLESINTERFACE_H_

    33 

    34 #include "ImageTarget.h"

    35 

    36 struct SurfaceDescriptor;

    37 

    38 typedef void (*fpGLProc)(void);

    39 

    40 class IGLEStoEGLInterface

    41     {

    42 public:

    43     virtual void* GetGLESContext() = 0;

    44     virtual bool IsImageInUse( void* image ) = 0;

    45     virtual bool LockGLESSurface( bool read, bool draw ) = 0;

    46     virtual bool UnlockGLESSurface() = 0;

    47 	virtual void* GetHostProcAddress( const char* proc ) = 0;

    48 	virtual void GetDescForImage( void* image, SurfaceDescriptor& ImageDesc ) = 0;

    49     virtual void* GetDataForImage( void* image ) = 0;

    50 	virtual void RegisterImageTarget( void* image, EImageTarget target, void* buffer ) = 0;

    51 	virtual void UnregisterImageTarget( void* image, EImageTarget target, void* buffer ) = 0;

    52 	virtual void UpdateImageSiblings( void* image, EImageTarget target, void* buffer ) = 0;

    53 	virtual void ReleaseTexImage(void* surface, int name, int level) = 0;

    54     };

    55 

    56 // GLES services for EGL 

    57 class IEGLtoGLESInterface

    58     {

    59 public:

    60     virtual void SetEGLInterface( IGLEStoEGLInterface* ) = 0;

    61 	virtual void* CreateContext( void* nativeContext ) = 0;

    62 	virtual bool ReleaseContext( void* context ) = 0;

    63 	virtual void* GetNativeContext( void* context ) = 0;

    64 	virtual fpGLProc GetGLProcAddress( const char *procname ) = 0;

    65     virtual int BindTexImage( void* surface, int level, bool generateMipmap, const SurfaceDescriptor* desc, void* buffer ) = 0;

    66 	virtual bool ReleaseTexImage( int name, int level ) = 0;

    67     virtual bool CopyBuffers( void* buf, const SurfaceDescriptor* desc ) = 0;

    68     virtual bool UpdateBuffers( void* buf, const SurfaceDescriptor* desc ) = 0;

    69     virtual void Flush() = 0;

    70     virtual void Finish() = 0;

    71     };

    72 

    73 typedef IEGLtoGLESInterface* (*fpGetGLES1Interface)(void);

    74 IEGLtoGLESInterface* LoadGLES1Interface( void*& libraryHandle );

    75 

    76 #endif // _GLESINTERFACE_H_