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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_H__
#define __CORE__SURFACE_POOL_H__
#include <directfb.h>
#include <core/coretypes.h>
#include <core/surface.h>
#include <core/surface_buffer.h>
typedef enum {
CSPCAPS_NONE = 0x00000000,
CSPCAPS_PHYSICAL = 0x00000001, /* pool provides physical address to buffer */
CSPCAPS_VIRTUAL = 0x00000002, /* pool provides virtual address to buffer */
CSPCAPS_ALL = 0x00000003
} CoreSurfacePoolCapabilities;
typedef enum {
CSPP_DEFAULT,
CSPP_PREFERED,
CSPP_ULTIMATE
} CoreSurfacePoolPriority;
/*
* Increase this number when changes result in binary incompatibility!
*/
#define DFB_SURFACE_POOL_ABI_VERSION 1
#define DFB_SURFACE_POOL_DESC_NAME_LENGTH 44
typedef struct {
CoreSurfacePoolCapabilities caps;
CoreSurfaceAccessFlags access[_CSAID_NUM];
CoreSurfaceTypeFlags types;
CoreSurfacePoolPriority priority;
char name[DFB_SURFACE_POOL_DESC_NAME_LENGTH];
unsigned long size;
} CoreSurfacePoolDescription;
typedef struct {
int (*PoolDataSize)( void );
int (*PoolLocalDataSize)( void );
int (*AllocationDataSize)( void );
/*
* Pool init/destroy
*/
DFBResult (*InitPool) ( CoreDFB *core,
CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
void *system_data,
CoreSurfacePoolDescription *ret_desc );
DFBResult (*JoinPool) ( CoreDFB *core,
CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
void *system_data );
DFBResult (*DestroyPool)( CoreSurfacePool *pool,
void *pool_data,
void *pool_local );
DFBResult (*LeavePool) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local );
DFBResult (*TestConfig) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceBuffer *buffer,
const CoreSurfaceConfig *config );
/*
* Buffer management
*/
DFBResult (*AllocateBuffer) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation *allocation,
void *alloc_data );
DFBResult (*DeallocateBuffer)( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation *allocation,
void *alloc_data );
/*
* Locking
*/
DFBResult (*Lock) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceAllocation *allocation,
void *alloc_data,
CoreSurfaceBufferLock *lock );
DFBResult (*Unlock)( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceAllocation *allocation,
void *alloc_data,
CoreSurfaceBufferLock *lock );
/*
* Read/write
*/
DFBResult (*Read) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceAllocation *allocation,
void *alloc_data,
void *destination,
int pitch,
const DFBRectangle *rect );
DFBResult (*Write) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceAllocation *allocation,
void *alloc_data,
const void *source,
int pitch,
const DFBRectangle *rect );
/*
* Muck out
*/
DFBResult (*MuckOut) ( CoreSurfacePool *pool,
void *pool_data,
void *pool_local,
CoreSurfaceBuffer *buffer );
} SurfacePoolFuncs;
struct __DFB_CoreSurfacePool {
int magic;
FusionSkirmish lock;
CoreSurfacePoolID pool_id;
CoreSurfacePoolDescription desc;
int pool_data_size;
int pool_local_data_size;
int alloc_data_size;
void *data;
FusionVector allocs;
FusionSHMPoolShared *shmpool;
CoreSurfacePool *backup;
};
typedef DFBEnumerationResult (*CoreSurfacePoolCallback)( CoreSurfacePool *pool,
void *ctx );
typedef DFBEnumerationResult (*CoreSurfaceAllocCallback)( CoreSurfaceAllocation *allocation,
void *ctx );
DFBResult dfb_surface_pools_negotiate( CoreSurfaceBuffer *buffer,
CoreSurfaceAccessorID accessor,
CoreSurfaceAccessFlags access,
CoreSurfacePool **ret_pools,
unsigned int max_pools,
unsigned int *ret_num );
DFBResult dfb_surface_pools_enumerate( CoreSurfacePoolCallback callback,
void *ctx );
DFBResult dfb_surface_pools_allocate ( CoreSurfaceBuffer *buffer,
CoreSurfaceAccessorID accessor,
CoreSurfaceAccessFlags access,
CoreSurfaceAllocation **ret_allocation );
DFBResult dfb_surface_pool_initialize( CoreDFB *core,
const SurfacePoolFuncs *funcs,
CoreSurfacePool **ret_pool );
DFBResult dfb_surface_pool_join ( CoreDFB *core,
CoreSurfacePool *pool,
const SurfacePoolFuncs *funcs );
DFBResult dfb_surface_pool_destroy ( CoreSurfacePool *pool );
DFBResult dfb_surface_pool_leave ( CoreSurfacePool *pool );
DFBResult dfb_surface_pool_allocate ( CoreSurfacePool *pool,
CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation **ret_allocation );
DFBResult dfb_surface_pool_deallocate( CoreSurfacePool *pool,
CoreSurfaceAllocation *allocation );
DFBResult dfb_surface_pool_displace ( CoreSurfacePool *pool,
CoreSurfaceBuffer *buffer,
CoreSurfaceAllocation **ret_allocation );
DFBResult dfb_surface_pool_lock ( CoreSurfacePool *pool,
CoreSurfaceAllocation *allocation,
CoreSurfaceBufferLock *lock );
DFBResult dfb_surface_pool_unlock ( CoreSurfacePool *pool,
CoreSurfaceAllocation *allocation,
CoreSurfaceBufferLock *lock );
DFBResult dfb_surface_pool_read ( CoreSurfacePool *pool,
CoreSurfaceAllocation *allocation,
void *data,
int pitch,
const DFBRectangle *rect );
DFBResult dfb_surface_pool_write ( CoreSurfacePool *pool,
CoreSurfaceAllocation *allocation,
const void *data,
int pitch,
const DFBRectangle *rect );
DFBResult dfb_surface_pool_enumerate ( CoreSurfacePool *pool,
CoreSurfaceAllocCallback callback,
void *ctx );
#endif
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