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

 *

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

 * copy of this software and /or associated documentation files

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

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

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

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

 * subject to the following conditions:

 *

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

 * in all copies or substantial portions of the Materials.

 *

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

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

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

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

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

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

 * THE USE OR OTHER DEALINGS IN THE MATERIALS.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#include "EGLImage.h"

#include "EGLUtils.h"

#include "EGLState.h"

#include <EGL/eglext.h>

#include <VG/openvg.h>

#include <stdlib.h>

CEGLImage::CEGLImage( EGLenum target, EGLClientBuffer buffer, 

                      SurfaceDescriptor desc, void* data) :

    m_buffer( buffer ),

    m_target( target ),

	m_data(data)

    {

    m_siblings = EGLI_NEW EGLImageSibling;

    m_siblings->buffer = buffer;

    m_siblings->target = target;

    m_siblings->next   = NULL;

    m_SurfDesc.m_alphaShift     = desc.m_alphaShift;

    m_SurfDesc.m_blueShift      = desc.m_blueShift;

    m_SurfDesc.m_depthSize      = desc.m_depthSize;

    m_SurfDesc.m_greenShift     = desc.m_greenShift;

    m_SurfDesc.m_height         = desc.m_height;

    m_SurfDesc.m_luminanceShift = desc.m_luminanceShift;

    m_SurfDesc.m_maskSize       = desc.m_maskSize;

    m_SurfDesc.m_redShift       = desc.m_redShift;

    m_SurfDesc.m_stencilSize    = desc.m_stencilSize;

    m_SurfDesc.m_stride         = desc.m_stride;

    m_SurfDesc.m_width          = desc.m_width;

    m_SurfDesc.m_colorDescriptor.m_alphaMaskSize = desc.m_colorDescriptor.m_alphaMaskSize;

    m_SurfDesc.m_colorDescriptor.m_alphaSize     = desc.m_colorDescriptor.m_alphaSize;

    m_SurfDesc.m_colorDescriptor.m_blueSize      = desc.m_colorDescriptor.m_blueSize;

    m_SurfDesc.m_colorDescriptor.m_bpp           = desc.m_colorDescriptor.m_bpp;

    m_SurfDesc.m_colorDescriptor.m_format        = desc.m_colorDescriptor.m_format;

    m_SurfDesc.m_colorDescriptor.m_greenSize     = desc.m_colorDescriptor.m_greenSize;

    m_SurfDesc.m_colorDescriptor.m_luminanceSize = desc.m_colorDescriptor.m_luminanceSize;

    m_SurfDesc.m_colorDescriptor.m_redSize       = desc.m_colorDescriptor.m_redSize;

    }

CEGLImage::~CEGLImage(void)

    {

    // tero 2010-08-02, changed to free, since delete is _certainly_ incorrect.

    if( m_data )

    free(m_data);

    m_data = NULL;

    DestroyAllSiblings();

    }

void CEGLImage::AddSibling( EGLenum target, EGLClientBuffer buffer )

    {

    EGLImageSibling* newp;

    EGLImageSibling* curr = m_siblings;

    newp = EGLI_NEW EGLImageSibling;

    newp->buffer = buffer;

    newp->target = target;

    newp->next   = NULL;

    while( curr->next )

        {

        curr = curr->next;

        }      

    curr->next = newp;

    }

void CEGLImage::UpdateData( CEGLState *state, void* data )

    {

    EGLImageSibling* curr = m_siblings;

    while( curr )

        {

        switch ( curr->target )

            {

            case EGL_VG_PARENT_IMAGE_KHR:

                {

                // OpenVG

                }

                break;

            case EGL_GL_TEXTURE_2D_KHR:

		    case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR:

            case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR:

            case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR:

            case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR:

            case EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR:

            case EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR:

                {

                // GLES

                IEGLtoGLES2Interface* iFace = (IEGLtoGLES2Interface*)state->GLESInterface(2);

                //iFace->UpdateBuffers(

                }

                break;

            default:

                break;

            }

        curr = curr->next;

        }

    }

void CEGLImage::DestroyAllSiblings()

    {

    EGLImageSibling* curr = m_siblings;

    EGLImageSibling* next = curr->next;

    while( curr )

        {

        next = curr->next;

        free( curr );

        curr = next;

        }

    }