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 

    23 #ifndef _SFEGLINTERFACE_H_

    24 #define _SFEGLINTERFACE_H_

    25 

    26 #include "riImage.h"

    27 #include "VGInterface.h"

    28 

    29 

    30 // Get pointer to global interface object.

    31 extern "C" { RI_API_CALL IEGLtoVGInterface* getVGInterface(void); }

    32 extern "C" { RI_API_CALL VGErrorCode vgPlatsimGetError(void); }

    33 

    34 namespace OpenVGRI 

    35 {

    36     void* eglvgGetCurrentVGContext(void);

    37     bool  eglvgIsInUse(void* image);

    38 	bool  eglvgLockSurface(bool read, bool write);

    39     bool  eglvgUnlockSurface();

    40 	void  OSAcquireMutex(void);

    41 	void  OSReleaseMutex(void);

    42     void  eglvgGetImageDescriptor( void* image, Color::Descriptor &desc, int &width, int &height, int &stride );

    43     void* eglvgGetImageData( void* image );

    44 }

    45 

    46 // Services from OpenVG to EGL

    47 class EGLtoVGInterface : public IEGLtoVGInterface

    48 {

    49 public:

    50     EGLtoVGInterface();

    51     ~EGLtoVGInterface();

    52 

    53     void    SetEGLInterface( IVGtoEGLInterface* egl );

    54     void*   CreateContext( void* shareContext );

    55     bool    ReleaseContext( void* context );

    56     bool    CreateSurface( const SurfaceDescriptor* desc, BufferContainer* buffers, void* image );

    57     bool    ReleaseSurface(void* surface);

    58     bool    SetCurrentSurface( void* context, void* surface );

    59     bool    ResizeSurface( void* context, void* surface, int width, int height, BufferContainer* buffers );

    60     bool    IsValidImage( void* image, CColorDescriptor* colorDesc, int* width, int* height );

    61     bool    IsImageInUse( void* image );

    62     void*   CreateImage();

    63     bool    ReleaseImage();

    64     void    Flush();

    65     void    Finish();

    66     fpVGProc GetVGProcAddress( const char *procname );

    67     void    CopyBuffers( void* buffer, int stride, void* surface );

    68     void    UpdateBuffers( void* buffer, int stride, const SurfaceDescriptor* desc );

    69     bool    IsRootImage( void* buffer );

    70     void    GetImageData( void* image, SurfaceDescriptor& desc, void* data );

    71     void    AddRef( void* image );

    72     void    RemoveRef( void* image );

    73 

    74     // Methods for local OpenVG-implementation. To be called only from OpenVG internals.

    75     static IVGtoEGLInterface* GetEGLInterface();

    76     static OpenVGRI::Color::Descriptor vgDescriptorFromSurfaceDescriptor(const SurfaceDescriptor* sdesc); // \todo static

    77     

    78 private:    

    79     int     findContext(OpenVGRI::VGContext* contextPtr);

    80     bool    isValidImage(void* image);

    81 

    82 private:

    83     OpenVGRI::Array<OpenVGRI::VGContext*>   m_contexts;

    84     IVGtoEGLInterface*                      m_egl;

    85 

    86 };

    87 

    88 #endif

    89