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Diffstat (limited to 'Source/DirectFB/src/core/surface_pool_bridge.h')
-rwxr-xr-x | Source/DirectFB/src/core/surface_pool_bridge.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/Source/DirectFB/src/core/surface_pool_bridge.h b/Source/DirectFB/src/core/surface_pool_bridge.h new file mode 100755 index 0000000..8fb6dda --- /dev/null +++ b/Source/DirectFB/src/core/surface_pool_bridge.h @@ -0,0 +1,187 @@ +/* + (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 + |