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/*
(c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Hundt <andi@fischlustig.de>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
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.
*/
#ifndef __CORE_H__
#define __CORE_H__
#include <fusion/types.h>
#include <fusion/lock.h>
#include <fusion/object.h>
#include <directfb.h>
#include "coretypes.h"
#include "coredefs.h"
#define DIRECTFB_CORE_ABI 45
typedef enum {
DFCP_CLIPBOARD,
DFCP_COLORHASH,
DFCP_GRAPHICS,
DFCP_INPUT,
DFCP_LAYER,
DFCP_SCREEN,
DFCP_SURFACE,
DFCP_SYSTEM,
DFCP_WM,
_DFCP_NUM
} DFBCorePartID;
/*
* Cleanup function, callback of a cleanup stack entry.
*/
typedef void (*CoreCleanupFunc)(void *data, int emergency);
/*
* Core initialization and deinitialization
*/
DFBResult dfb_core_create ( CoreDFB **ret_core );
DFBResult dfb_core_destroy ( CoreDFB *core,
bool emergency );
void *dfb_core_get_part( CoreDFB *core,
DFBCorePartID part_id );
#define DFB_CORE(core,PART) dfb_core_get_part( core, DFCP_##PART )
/*
* Object creation
*/
CoreLayerContext *dfb_core_create_layer_context( CoreDFB *core );
CoreLayerRegion *dfb_core_create_layer_region ( CoreDFB *core );
CorePalette *dfb_core_create_palette ( CoreDFB *core );
CoreSurface *dfb_core_create_surface ( CoreDFB *core );
CoreWindow *dfb_core_create_window ( CoreDFB *core );
/*
* Debug
*/
DirectResult dfb_core_enum_surfaces ( CoreDFB *core,
FusionObjectCallback callback,
void *ctx );
DirectResult dfb_core_enum_layer_contexts( CoreDFB *core,
FusionObjectCallback callback,
void *ctx );
DirectResult dfb_core_enum_layer_regions ( CoreDFB *core,
FusionObjectCallback callback,
void *ctx );
/*
* Returns true if the calling process is the master fusionee,
* i.e. handles input drivers running their threads.
*/
bool dfb_core_is_master( CoreDFB *core );
/*
* Allows other (blocking) Fusionees to enter the DirectFB session.
*/
void dfb_core_activate( CoreDFB *core );
/*
* Returns the core's fusion world.
*/
FusionWorld *dfb_core_world( CoreDFB *core );
/*
* Returns the core arena.
*/
FusionArena *dfb_core_arena( CoreDFB *core );
/*
* Returns the shared memory pool of the core.
*/
FusionSHMPoolShared *dfb_core_shmpool( CoreDFB *core );
/*
* Returns the shared memory pool for raw data, e.g. surface buffers.
*/
FusionSHMPoolShared *dfb_core_shmpool_data( CoreDFB *core );
/*
* Suspends all core parts, stopping input threads, closing devices...
*/
DFBResult dfb_core_suspend( CoreDFB *core );
/*
* Resumes all core parts, reopening devices, starting input threads...
*/
DFBResult dfb_core_resume( CoreDFB *core );
/*
* Adds a function to the cleanup stack that is called during deinitialization.
* If emergency is true, the cleanup is even called by core_deinit_emergency().
*/
CoreCleanup *dfb_core_cleanup_add( CoreDFB *core,
CoreCleanupFunc func,
void *data,
bool emergency );
/*
* Removes a function from the cleanup stack.
*/
void dfb_core_cleanup_remove( CoreDFB *core,
CoreCleanup *cleanup );
#endif
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