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 _EGLIMAGE_H_

    32 #define _EGLIMAGE_H_

    33 

    34 #include <EGL/egl.h>

    35 #include <vector>

    36 #include "SurfaceDescriptor.h"

    37 

    38 // Forward declarations

    39 class CEGLState;

    40 

    41 class CEGLImage

    42 {

    43 public:

    44     CEGLImage( EGLenum target, EGLClientBuffer buffer, SurfaceDescriptor desc, void* data );

    45     virtual ~CEGLImage(void);

    46     inline EGLenum Target() const { return m_target; }

    47     EGLClientBuffer ClientBuffer() const { return m_buffer; }

    48     inline EGLint DataStride() const { return m_SurfDesc.m_stride; }

    49     inline EGLint Height() const { return m_SurfDesc.m_height; }

    50     inline EGLint Width() const { return m_SurfDesc.m_width; }

    51     inline EGLint DataSize() const { return (m_SurfDesc.m_height * m_SurfDesc.m_stride); }

    52 	inline const SurfaceDescriptor& SurfaceDesc() const { return m_SurfDesc; }

    53     inline void* Data() const { return m_data; }

    54     void AddSibling( EGLenum target, EGLClientBuffer buffer);

    55     void UpdateData( CEGLState *state, void* data );

    56     void DestroyAllSiblings();

    57 

    58 

    59 public:

    60     struct EGLImageSibling

    61         {

    62         EGLenum target;

    63         EGLClientBuffer buffer;

    64         EGLImageSibling* next;

    65         };

    66     

    67 private:

    68     

    69     EGLenum m_target;

    70     EGLClientBuffer m_buffer;

    71     void* m_data;

    72     SurfaceDescriptor m_SurfDesc;

    73     EGLImageSibling* m_siblings;

    74     

    75 };

    76 #endif // _EGLIMAGE_H_