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 _EGLOS_H_

    32 #define _EGLOS_H_

    33 

    34 #include "eglInternal.h"

    35 #include "EGLConfig.h"

    36 

    37 class CEGLDisplay;

    38 

    39 class CEGLOs

    40 {

    41 public:

    42     static void InitializeLock( EGLI_LOCK *lock );

    43     static void GetLock( EGLI_LOCK *lock );

    44     static void ReleaseLock(EGLI_LOCK *lock );

    45     static void DestroyLock( EGLI_LOCK *lock );

    46 

    47     static void ConfigToNativePixelFormat( const CEGLConfig& config, EGLINativePixelFormatType* nativeFormat );

    48     static EGLINativeContextType CreateNativeContext( const CEGLConfig& config, EGLINativeDisplayType display, EGLINativeContextType shareContext );

    49     static EGLINativeContextType CurrentNativeContext();

    50     static EGLINativeDisplayType CurrentNativeSurface();

    51     static bool MakeNativeContextCurrent( struct EGLINativeGLFunctions* func, EGLINativeDisplayType draw, EGLINativeDisplayType read, EGLINativeContextType context );

    52     static bool DestroyNativeContext( EGLINativeContextType context );

    53     static bool InitializeNativeGLFunctions( struct EGLINativeGLFunctions* func, EGLINativeDisplayType display, EGLINativeContextType context );

    54     static struct EGLINativePbufferContainer* CreateNativePbuffer( EGLINativeDisplayType display,

    55             const CEGLConfig& config, EGLint width, EGLint height, EGLBoolean largestPbuffer, 

    56             EGLint textureFormat, EGLint textureTarget );

    57     static bool DestroyNativePbuffer( struct EGLINativePbufferContainer* container );

    58 

    59     static EGLINativeDisplayType CreateDefaultDisplay();

    60     static void DestroyDefaultDisplay( EGLINativeDisplayType display );

    61     static EGLINativeWindowType CreateNativeWindow( int width, int height );

    62     static void DestroyNativeWindow( EGLINativeWindowType wnd );

    63 

    64     static bool IsValidNativeDisplay( EGLINativeDisplayType dsp );

    65     static bool IsValidNativeWindow( EGLINativeWindowType wnd );

    66     static bool GetNativeWindowSize( EGLINativeWindowType wnd, int& width, int& height );

    67     static EGLIOsWindowContext* CreateOSWindowContext( EGLINativeWindowType wnd, const CEGLConfig& config );

    68     static void DestroyOSWindowContext( EGLIOsWindowContext* context );

    69     static void BlitToOSWindow( EGLenum api, CEGLDisplay* display, EGLIOsWindowContext* context, void* buf, int width, int height, int stride );

    70 

    71     static EGLILibraryHandle LoadHostGL();

    72     static void* GetGLProcAddress(EGLILibraryHandle& libraryHandle, const char* proc);

    73     static bool FreeClientLibrary(EGLILibraryHandle& libraryHandle);

    74 

    75     static IEGLtoVGInterface* LoadVGInterface( EGLILibraryHandle& libraryHandle );

    76     static IEGLtoGLESInterface* LoadGLES1Interface( EGLILibraryHandle& libraryHandle );

    77     static IEGLtoGLES2Interface* LoadGLES2Interface( EGLILibraryHandle& libraryHandle );

    78 };

    79 

    80 #endif //_EGLOS_H_