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path: root/EGL/yagl_offscreen_image_pixmap.c
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/*
 * YaGL
 *
 * Copyright (c) 2012 Samsung Electronics Co., Ltd. All rights reserved.
 *
 * Contact :
 * Stanislav Vorobiov <s.vorobiov@samsung.com>
 * Jinhyung Jo <jinhyung.jo@samsung.com>
 * YeongKyoon Lee <yeongkyoon.lee@samsung.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * 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 Software.
 *
 * THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * Contributors:
 * - S-Core Co., Ltd
 *
 */

#include "yagl_offscreen_image_pixmap.h"
#include "yagl_log.h"
#include "yagl_malloc.h"
#include "yagl_display.h"
#include "yagl_state.h"
#include "yagl_host_egl_calls.h"
#include "yagl_native_drawable.h"
#include "yagl_native_image.h"
#include "yagl_transport_egl.h"
#include "yagl_client_interface.h"
#include "yagl_client_image.h"
#include "yagl_egl_state.h"
#include <string.h>

static void yagl_offscreen_image_pixmap_update(struct yagl_image *image)
{
    struct yagl_offscreen_image_pixmap *oimage = (struct yagl_offscreen_image_pixmap*)image;
    struct yagl_native_image *native_image = NULL;

    YAGL_LOG_FUNC_SET(yagl_offscreen_image_pixmap_update);

    native_image = oimage->native_pixmap->get_image(oimage->native_pixmap,
                                                    oimage->width,
                                                    oimage->height);

    if (!native_image) {
        YAGL_LOG_ERROR("get_image failed for image %u", image->res.handle);
        return;
    }

    oimage->base.client_image->update(oimage->base.client_image,
                                      native_image->width,
                                      native_image->height,
                                      native_image->bpp,
                                      native_image->pixels);

    native_image->destroy(native_image);
}

static void yagl_offscreen_image_pixmap_destroy(struct yagl_ref *ref)
{
    struct yagl_offscreen_image_pixmap *image = (struct yagl_offscreen_image_pixmap*)ref;

    image->native_pixmap->destroy(image->native_pixmap);
    image->native_pixmap = NULL;

    yagl_image_cleanup(&image->base);

    yagl_free(image);
}

struct yagl_offscreen_image_pixmap
    *yagl_offscreen_image_pixmap_create(struct yagl_display *dpy,
                                        struct yagl_native_drawable *native_pixmap,
                                        struct yagl_client_interface *iface)
{
    EGLint error = 0;
    yagl_object_name tex_global_name = yagl_get_global_name();
    struct yagl_client_image *client_image;
    struct yagl_offscreen_image_pixmap *image;
    uint32_t depth;

    if (!yagl_host_eglCreateImageYAGL(tex_global_name,
                                      dpy->host_dpy,
                                      0,
                                      &error)) {
        yagl_set_error(error);
        return NULL;
    }

    client_image = iface->create_image(iface, tex_global_name);

    image = yagl_malloc0(sizeof(*image));

    yagl_image_init(&image->base,
                    &yagl_offscreen_image_pixmap_destroy,
                    dpy,
                    (EGLImageKHR)native_pixmap->os_drawable,
                    client_image);

    yagl_client_image_release(client_image);

    image->base.update = &yagl_offscreen_image_pixmap_update;

    image->native_pixmap = native_pixmap;

    native_pixmap->get_geometry(native_pixmap,
                                &image->width,
                                &image->height,
                                &depth);

    return image;
}