/*
 * Cogl
 *
 * An object oriented GL/GLES Abstraction/Utility Layer
 *
 * Copyright (C) 2007,2008,2009 Intel Corporation.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 *
 *
 */

#ifndef __COGL_WINSYS_PRIVATE_H
#define __COGL_WINSYS_PRIVATE_H

#include "cogl-framebuffer-private.h"

#ifdef COGL_HAS_XLIB_SUPPORT
#include <X11/Xutil.h>
#endif

GQuark
_cogl_winsys_error_quark (void);

#define COGL_WINSYS_ERROR (_cogl_winsys_error_quark ())

typedef enum { /*< prefix=COGL_WINSYS_ERROR >*/
  COGL_WINSYS_ERROR_INIT,
  COGL_WINSYS_ERROR_CREATE_CONTEXT,
  COGL_WINSYS_ERROR_CREATE_ONSCREEN,
} CoglWinsysError;

typedef enum
{
  COGL_WINSYS_RECTANGLE_STATE_UNKNOWN,
  COGL_WINSYS_RECTANGLE_STATE_DISABLE,
  COGL_WINSYS_RECTANGLE_STATE_ENABLE
} CoglWinsysRectangleState;

CoglFuncPtr
_cogl_winsys_get_proc_address (const char *name);

gboolean
_cogl_winsys_renderer_connect (CoglRenderer *renderer,
                               GError **error);

void
_cogl_winsys_renderer_disconnect (CoglRenderer *renderer);

gboolean
_cogl_winsys_display_setup (CoglDisplay *display,
                            GError **error);

void
_cogl_winsys_display_destroy (CoglDisplay *display);

gboolean
_cogl_winsys_context_init (CoglContext *context, GError **error);

void
_cogl_winsys_context_deinit (CoglContext *context);

gboolean
_cogl_winsys_has_feature (CoglWinsysFeature feature);

#ifdef COGL_HAS_XLIB_SUPPORT
XVisualInfo *
_cogl_winsys_xlib_get_visual_info (void);
#endif

gboolean
_cogl_winsys_onscreen_init (CoglOnscreen *onscreen,
                            GError **error);

void
_cogl_winsys_onscreen_deinit (CoglOnscreen *onscreen);

void
_cogl_winsys_onscreen_bind (CoglOnscreen *onscreen);

void
_cogl_winsys_onscreen_swap_buffers (CoglOnscreen *onscreen);

void
_cogl_winsys_onscreen_swap_region (CoglOnscreen *onscreen,
                                   int *rectangles,
                                   int n_rectangles);

void
_cogl_winsys_onscreen_update_swap_throttled (CoglOnscreen *onscreen);

guint32
_cogl_winsys_onscreen_x11_get_window_xid (CoglOnscreen *onscreen);

guint32
_cogl_winsys_get_vsync_counter (void);

unsigned int
_cogl_winsys_onscreen_add_swap_buffers_callback (CoglOnscreen *onscreen,
                                                 CoglSwapBuffersNotify callback,
                                                 void *user_data);

void
_cogl_winsys_onscreen_remove_swap_buffers_callback (CoglOnscreen *onscreen,
                                                    unsigned int id);

#endif /* __COGL_WINSYS_PRIVATE_H */