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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__SURFACE_POOL_BRIDGE_H__
#define __CORE__SURFACE_POOL_BRIDGE_H__
#include <directfb.h>
#include <core/coretypes.h>
#include <core/surface.h>
#include <core/surface_buffer.h>
typedef enum {
CSPBCAPS_NONE = 0x00000000,
CSPBCAPS_ALL = 0x00000000
} CoreSurfacePoolBridgeCapabilities;
/*
* Increase this number when changes result in binary incompatibility!
*/
#define DFB_SURFACE_POOL_BRIDGE_ABI_VERSION 1
#define DFB_SURFACE_POOL_BRIDGE_DESC_NAME_LENGTH 44
typedef struct {
CoreSurfacePoolBridgeCapabilities caps;
char name[DFB_SURFACE_POOL_BRIDGE_DESC_NAME_LENGTH];
} CoreSurfacePoolBridgeDescription;
typedef struct {
int (*PoolBridgeDataSize)( void );
int (*PoolBridgeLocalDataSize)( void );
int (*PoolTransferDataSize)( void );
/*
* Bridge init/destroy
*/
DFBResult (*InitPoolBridge) ( CoreDFB *core,
CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local,
void *context,
CoreSurfacePoolBridgeDescription *ret_desc );
DFBResult (*JoinPoolBridge) ( CoreDFB *core,
CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local,
void *context );
DFBResult (*DestroyPoolBridge)( CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local );
DFBResult (*LeavePoolBridge) ( CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local );
/*
* Probe
*/
DFBResult (*CheckTransfer) ( CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local,
CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation *from,
CoreSurfaceAllocation *to );
/*
* Transfer
*/
DFBResult (*StartTransfer) ( CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local,
CoreSurfacePoolTransfer *transfer,
void *transfer_data );
DFBResult (*FinishTransfer) ( CoreSurfacePoolBridge *bridge,
void *bridge_data,
void *bridge_local,
CoreSurfacePoolTransfer *transfer,
void *transfer_data );
} SurfacePoolBridgeFuncs;
struct __DFB_CoreSurfacePoolBridge {
int magic;
FusionSkirmish lock;
CoreSurfacePoolBridgeID bridge_id;
CoreSurfacePoolBridgeDescription desc;
int bridge_data_size;
int bridge_local_data_size;
int transfer_data_size;
void *data;
FusionSHMPoolShared *shmpool;
DirectLink *transfers;
};
struct __DFB_CoreSurfacePoolTransfer {
DirectLink link;
int magic;
CoreSurfacePoolBridge *bridge;
CoreSurfaceBuffer *buffer;
CoreSurfaceAllocation *from;
CoreSurfaceAllocation *to;
DFBRectangle *rects;
unsigned int num_rects;
void *data;
};
typedef DFBEnumerationResult (*CoreSurfacePoolBridgeCallback)( CoreSurfacePoolBridge *bridge,
void *ctx );
DFBResult dfb_surface_pool_bridges_enumerate( CoreSurfacePoolBridgeCallback callback,
void *ctx );
DFBResult dfb_surface_pool_bridges_transfer ( CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation *from,
CoreSurfaceAllocation *to,
const DFBRectangle *rects,
unsigned int num_rects );
DFBResult dfb_surface_pool_bridge_initialize( CoreDFB *core,
const SurfacePoolBridgeFuncs *funcs,
void *context,
CoreSurfacePoolBridge **ret_bridge );
DFBResult dfb_surface_pool_bridge_join ( CoreDFB *core,
CoreSurfacePoolBridge *pool,
const SurfacePoolBridgeFuncs *funcs,
void *context );
DFBResult dfb_surface_pool_bridge_destroy ( CoreSurfacePoolBridge *bridge );
DFBResult dfb_surface_pool_bridge_leave ( CoreSurfacePoolBridge *bridge );
#endif
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