mutter/cogl/cogl-renderer.h
Robert Bragg 3b64a439f0 replace public native_event APIs with typesafe APIs
This adds Xlib and Win32 typesafe replacements for
cogl_renderer_handle_native_event, cogl_renderer_add_native_filter,
cogl_renderer_remove_native_filter. The old functions are kept as an
implementation detail so we can share code.

Signed-off-by: Neil Roberts <neil@linux.intel.com>
2011-06-30 14:33:13 +01:00

319 lines
9.9 KiB
C

/*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined(__COGL_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_RENDERER_H__
#define __COGL_RENDERER_H__
#include <glib.h>
#include <cogl/cogl-types.h>
#include <cogl/cogl-onscreen-template.h>
#ifdef COGL_HAS_XLIB
#include <X11/Xlib.h>
#endif
#if COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
#include <wayland-client.h>
#endif
G_BEGIN_DECLS
/**
* SECTION:cogl-renderer
* @short_description:
*
*/
#define cogl_renderer_error_quark cogl_renderer_error_quark_EXP
#define COGL_RENDERER_ERROR cogl_renderer_error_quark ()
GQuark
cogl_renderer_error_quark (void);
typedef struct _CoglRenderer CoglRenderer;
#define cogl_is_renderer cogl_is_renderer_EXP
gboolean
cogl_is_renderer (void *object);
#define cogl_renderer_new cogl_renderer_new_EXP
CoglRenderer *
cogl_renderer_new (void);
/* optional configuration APIs */
/**
* CoglWinsysID:
* @COGL_WINSYS_ID_ANY: Implies no preference for which backend is used
* @COGL_WINSYS_ID_STUB: Use the no-op stub backend
* @COGL_WINSYS_ID_GLX: Use the GLX window system binding API
* @COGL_WINSYS_ID_EGL: Use the Khronos EGL window system binding API
* @COGL_WINSYS_ID_WGL: Use the Microsoft Windows WGL binding API
*
* Identifies specific window system backends that Cogl supports.
*
* These can be used to query what backend Cogl is using or to try and
* explicitly select a backend to use.
*/
typedef enum
{
COGL_WINSYS_ID_ANY,
COGL_WINSYS_ID_STUB,
COGL_WINSYS_ID_GLX,
COGL_WINSYS_ID_EGL,
COGL_WINSYS_ID_WGL
} CoglWinsysID;
/**
* cogl_renderer_set_winsys_id:
* @renderer: A #CoglRenderer
* @winsys_id: An ID of the winsys you explicitly want to use.
*
* This allows you to explicitly select a winsys backend to use instead
* of letting Cogl automatically select a backend.
*
* if you select an unsupported backend then cogl_renderer_connect()
* will fail and report an error.
*
* This may only be called on an un-connected #CoglRenderer.
*/
#define cogl_renderer_set_winsys_id cogl_renderer_set_winsys_id_EXP
void
cogl_renderer_set_winsys_id (CoglRenderer *renderer,
CoglWinsysID winsys_id);
/**
* cogl_renderer_get_winsys_id:
* @renderer: A #CoglRenderer
*
* Queries which window system backend Cogl has chosen to use.
*
* This may only be called on a connected #CoglRenderer.
*
* Returns: The #CoglWinsysID corresponding to the chosen window
* system backend.
*/
#define cogl_renderer_get_winsys_id cogl_renderer_get_winsys_id_EXP
CoglWinsysID
cogl_renderer_get_winsys_id (CoglRenderer *renderer);
#ifdef COGL_HAS_XLIB
#define cogl_xlib_renderer_handle_event \
cogl_xlib_renderer_handle_event_EXP
/*
* cogl_xlib_renderer_handle_event:
* @event: pointer to an XEvent structure
*
* This function processes a single event; it can be used to hook into
* external event retrieval (for example that done by Clutter or
* GDK).
*
* Return value: #CoglFilterReturn. %COGL_FILTER_REMOVE indicates that
* Cogl has internally handled the event and the caller should do no
* further processing. %COGL_FILTER_CONTINUE indicates that Cogl is
* either not interested in the event, or has used the event to update
* internal state without taking any exclusive action.
*/
CoglFilterReturn
cogl_xlib_renderer_handle_event (CoglRenderer *renderer,
XEvent *event);
/*
* CoglXlibFilterFunc:
* @event: pointer to an XEvent structure
* @data: The data that was given when the filter was added
*
* A callback function that can be registered with
* cogl_xlib_renderer_add_filter(). The function should return
* %COGL_FILTER_REMOVE if it wants to prevent further processing or
* %COGL_FILTER_CONTINUE otherwise.
*/
typedef CoglFilterReturn (* CoglXlibFilterFunc) (XEvent *event,
void *data);
#define cogl_xlib_renderer_add_filter cogl_xlib_renderer_add_filter_EXP
/*
* cogl_xlib_renderer_add_filter:
*
* Adds a callback function that will receive all native events. The
* function can stop further processing of the event by return
* %COGL_FILTER_REMOVE.
*/
void
cogl_xlib_renderer_add_filter (CoglRenderer *renderer,
CoglXlibFilterFunc func,
void *data);
#define cogl_xlib_renderer_remove_filter \
cogl_xlib_renderer_remove_filter_EXP
/*
* cogl_xlib_renderer_remove_filter:
*
* Removes a callback that was previously added with
* cogl_xlib_renderer_add_filter().
*/
void
cogl_xlib_renderer_remove_filter (CoglRenderer *renderer,
CoglXlibFilterFunc func,
void *data);
#define cogl_renderer_xlib_get_foreign_display \
cogl_renderer_xlib_get_foreign_display_EXP
/*
* cogl_renderer_xlib_get_foreign_display:
*
* Return value: the foreign Xlib display that will be used by any Xlib based
* winsys backend. The display needs to be set with
* cogl_renderer_xlib_set_foreign_display() before this function is called.
*/
Display *
cogl_renderer_xlib_get_foreign_display (CoglRenderer *renderer);
#define cogl_renderer_xlib_set_foreign_display \
cogl_renderer_xlib_set_foreign_display_EXP
/*
* cogl_renderer_xlib_set_foreign_display:
*
* Sets a foreign Xlib display that Cogl will use for and Xlib based winsys
* backend.
*/
void
cogl_renderer_xlib_set_foreign_display (CoglRenderer *renderer,
Display *display);
#define cogl_renderer_xlib_get_display cogl_renderer_xlib_get_display_EXP
Display *
cogl_renderer_xlib_get_display (CoglRenderer *renderer);
#endif /* COGL_HAS_XLIB */
#if COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT
#define cogl_renderer_wayland_set_foreign_display \
cogl_renderer_wayland_set_foreign_display_EXP
void
cogl_renderer_wayland_set_foreign_display (CoglRenderer *renderer,
struct wl_display *display);
#define cogl_renderer_wayland_get_display \
cogl_renderer_wayland_get_display_EXP
struct wl_display *
cogl_renderer_wayland_get_display (CoglRenderer *renderer);
#define cogl_renderer_wayland_set_foreign_compositor \
cogl_renderer_wayland_set_foreign_compositor_EXP
void
cogl_renderer_wayland_set_foreign_compositor (CoglRenderer *renderer,
struct wl_compositor *compositor);
#define cogl_renderer_wayland_get_compositor \
cogl_renderer_wayland_get_compositor_EXP
struct wl_compositor *
cogl_renderer_wayland_get_compositor (CoglRenderer *renderer);
#endif /* COGL_HAS_EGL_PLATFORM_WAYLAND_SUPPORT */
#ifdef COGL_HAS_WGL_SUPPORT
#define cogl_win32_renderer_handle_event \
cogl_win32_renderer_handle_event_EXP
/*
* cogl_win32_renderer_handle_event:
* @message: A pointer to a win32 MSG struct
*
* This function processes a single event; it can be used to hook into
* external event retrieval (for example that done by Clutter or
* GDK).
*
* Return value: #CoglFilterReturn. %COGL_FILTER_REMOVE indicates that
* Cogl has internally handled the event and the caller should do no
* further processing. %COGL_FILTER_CONTINUE indicates that Cogl is
* either not interested in the event, or has used the event to update
* internal state without taking any exclusive action.
*/
CoglFilterReturn
cogl_win32_renderer_handle_event (CoglRenderer *renderer,
MSG *message);
/*
* CoglXlibFilterFunc:
* @message: A pointer to a win32 MSG struct
* @data: The data that was given when the filter was added
*
* A callback function that can be registered with
* cogl_win32_renderer_add_filter(). The function should return
* %COGL_FILTER_REMOVE if it wants to prevent further processing or
* %COGL_FILTER_CONTINUE otherwise.
*/
typedef CoglFilterReturn (* CoglWin32FilterFunc) (MSG *message,
void *data);
#define cogl_win32_renderer_add_filter cogl_win32_renderer_add_filter_EXP
/*
* cogl_win32_renderer_add_filter:
*
* Adds a callback function that will receive all native events. The
* function can stop further processing of the event by return
* %COGL_FILTER_REMOVE.
*/
void
cogl_win32_renderer_add_filter (CoglRenderer *renderer,
CoglWin32FilterFunc func,
void *data);
#define cogl_win32_renderer_remove_filter \
cogl_win32_renderer_remove_filter_EXP
/*
* cogl_win32_renderer_remove_filter:
*
* Removes a callback that was previously added with
* cogl_win32_renderer_add_filter().
*/
void
cogl_win32_renderer_remove_filter (CoglRenderer *renderer,
CoglWin32FilterFunc func,
void *data);
#endif /* COGL_HAS_WGL_SUPPORT */
#define cogl_renderer_check_onscreen_template \
cogl_renderer_check_onscreen_template_EXP
gboolean
cogl_renderer_check_onscreen_template (CoglRenderer *renderer,
CoglOnscreenTemplate *onscreen_template,
GError **error);
/* Final connection API */
#define cogl_renderer_connect cogl_renderer_connect_EXP
gboolean
cogl_renderer_connect (CoglRenderer *renderer, GError **error);
G_END_DECLS
#endif /* __COGL_RENDERER_H__ */