/*

 * Copyright (c) 2014-2016, NVIDIA CORPORATION. All rights reserved.

 *

 * 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.

 */

#ifndef WAYLAND_EGLSTREAM_SERVER_H

#define WAYLAND_EGLSTREAM_SERVER_H

#include <wayland-server-protocol.h>

#include <EGL/egl.h>

#include <EGL/eglext.h>

#include "wayland-eglhandle.h"

#ifdef __cplusplus

extern "C" {

#endif

/*

 * Forward declarations

 */

struct wl_eglstream_display;

struct wl_eglstream;

/*

 * wl_eglstream_display_bind()

 *

 * Creates and initializes a wl_eglstream_display connection associated to the

 * given wl_display and EGLDisplay.

 */

EGLBoolean

wl_eglstream_display_bind(WlEglPlatformData *data,

                          struct wl_display *wlDisplay,

                          EGLDisplay eglDisplay);

/*

 * wl_eglstream_display_unbind()

 *

 * Destroys the given wl_eglstream_display connection result of a previous

 * wl_eglstream_display_bind() call.

 */

void wl_eglstream_display_unbind(struct wl_eglstream_display *wlStreamDpy);

/*

 * wl_eglstream_display_get()

 *

 * Given an EGL display, returns its associated wl_eglstream_display connection.

 */

struct wl_eglstream_display* wl_eglstream_display_get(EGLDisplay eglDisplay);

/*

 * wl_eglstream_display_get_stream()

 *

 * Given a generic wl_resource, returns its associated wl_eglstream.

 */

struct wl_eglstream*

wl_eglstream_display_get_stream(struct wl_eglstream_display *wlStreamDpy,

                                struct wl_resource *resource);

/* wl_eglstream_display definition */

struct wl_eglstream_display {

    WlEglPlatformData *data;

    struct wl_global  *global;

    struct wl_display *wlDisplay;

    EGLDisplay eglDisplay;

    struct {

        int stream_attrib           : 1;

        int stream_cross_process_fd : 1;

        int stream_remote           : 1;

        int stream_socket           : 1;

        int stream_socket_inet      : 1;

        int stream_socket_unix      : 1;

        int stream_origin           : 1;

    } exts;

    int caps_override               : 1;

    int supported_caps;

    struct wl_buffer_interface wl_eglstream_interface;

    struct wl_list link;

};

/* wl_eglstream definition */

struct wl_eglstream {

    struct wl_resource          *resource;

    struct wl_eglstream_display *wlStreamDpy;

    int width, height;

    EGLBoolean   fromFd;

    EGLBoolean   isInet;

    int          handle;

    EGLStreamKHR eglStream;

    /*

     * The following attribute encodes the default value for a

     * stream's image inversion relative to wayland protocol

     * convention. Vulkan apps will be set to 'true', while

     * OpenGL apps will be set to 'false'.

     * NOTE: EGL_NV_stream_origin is the authorative source of

     * truth regarding a stream's frame orientation and should be

     * queried for an accurate value. The following attribute is a

     * 'best guess' fallback mechanism which should only be used

     * when a query to EGL_NV_stream_origin fails.

     */

    EGLBoolean yInverted;

};

#ifdef __cplusplus

}

#endif

#endif