diff options
Diffstat (limited to 'Source/DirectFB/systems/devmem')
| -rwxr-xr-x | Source/DirectFB/systems/devmem/Makefile.am | 40 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/Makefile.in | 628 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/devmem.c | 374 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/devmem.h | 60 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/devmem_surface_pool.c | 394 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/surfacemanager.c | 575 | ||||
| -rwxr-xr-x | Source/DirectFB/systems/devmem/surfacemanager.h | 110 |
7 files changed, 2181 insertions, 0 deletions
diff --git a/Source/DirectFB/systems/devmem/Makefile.am b/Source/DirectFB/systems/devmem/Makefile.am new file mode 100755 index 0000000..b85d92a --- /dev/null +++ b/Source/DirectFB/systems/devmem/Makefile.am @@ -0,0 +1,40 @@ +## Makefile.am for DirectFB/systems/devmem + +INCLUDES = \ + -I$(top_srcdir)/include \ + -I$(top_builddir)/include \ + -I$(top_builddir)/lib \ + -I$(top_srcdir)/lib \ + -I$(top_srcdir)/src + + +internalincludedir = $(INTERNALINCLUDEDIR)/devmem + +internalinclude_HEADERS = \ + devmem.h \ + surfacemanager.h + + +systemsdir = $(MODULEDIR)/systems + +if BUILD_STATIC +systems_DATA = libdirectfb_devmem.o +endif +systems_LTLIBRARIES = libdirectfb_devmem.la + +libdirectfb_devmem_la_LDFLAGS = \ + -avoid-version \ + -module + +libdirectfb_devmem_la_SOURCES = \ + devmem.c \ + devmem_surface_pool.c \ + surfacemanager.c + +libdirectfb_devmem_la_LIBADD = \ + $(top_builddir)/lib/direct/libdirect.la \ + $(top_builddir)/lib/fusion/libfusion.la \ + $(top_builddir)/src/libdirectfb.la + + +include $(top_srcdir)/rules/libobject.make diff --git a/Source/DirectFB/systems/devmem/Makefile.in b/Source/DirectFB/systems/devmem/Makefile.in new file mode 100755 index 0000000..54985c4 --- /dev/null +++ b/Source/DirectFB/systems/devmem/Makefile.in @@ -0,0 +1,628 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + + +VPATH = @srcdir@ 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$<.tmp/*.o && rmdir $<.tmp + +.PHONY: $(LTLIBRARIES:%.la=.libs/%.a) +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/Source/DirectFB/systems/devmem/devmem.c b/Source/DirectFB/systems/devmem/devmem.c new file mode 100755 index 0000000..9e77777 --- /dev/null +++ b/Source/DirectFB/systems/devmem/devmem.c @@ -0,0 +1,374 @@ +/* + (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. +*/ + +#include <config.h> + +#include <fcntl.h> +#include <sys/mman.h> + +#include <directfb.h> + +#include <direct/mem.h> + +#include <fusion/arena.h> +#include <fusion/shmalloc.h> + +#include <core/core.h> +#include <core/surface_pool.h> + +#include <misc/conf.h> + +#include "devmem.h" +#include "surfacemanager.h" + + +#include <core/core_system.h> + +DFB_CORE_SYSTEM( devmem ) + +/**********************************************************************************************************************/ + +static DevMemData *m_data; /* FIXME: Fix Core System API to pass data in all functions. */ + +/**********************************************************************************************************************/ + +static DFBResult +MapMemAndReg( DevMemData *data, + unsigned long mem_phys, + unsigned int mem_length, + unsigned long reg_phys, + unsigned int reg_length ) +{ + int fd; + + fd = open( DEV_MEM, O_RDWR | O_SYNC ); + if (fd < 0) { + D_PERROR( "System/DevMem: Opening '%s' failed!\n", DEV_MEM ); + return DFB_INIT; + } + + data->mem = mmap( NULL, mem_length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, mem_phys ); + if (data->mem == MAP_FAILED) { + D_PERROR( "System/DevMem: Mapping %d bytes at 0x%08lx via '%s' failed!\n", mem_length, mem_phys, DEV_MEM ); + return DFB_INIT; + } + + if (reg_phys && reg_length) { + data->reg = mmap( NULL, reg_length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, reg_phys ); + if (data->reg == MAP_FAILED) { + D_PERROR( "System/DevMem: Mapping %d bytes at 0x%08lx via '%s' failed!\n", reg_length, reg_phys, DEV_MEM ); + munmap( data->mem, mem_length ); + close( fd ); + return DFB_INIT; + } + } + + close( fd ); + + return DFB_OK; +} + +static void +UnmapMemAndReg( DevMemData *data, + unsigned int mem_length, + unsigned int reg_length ) +{ + munmap( data->mem, mem_length ); + + if (reg_length) + munmap( (void*) data->reg, reg_length ); +} + +/**********************************************************************************************************************/ + +static void +system_get_info( CoreSystemInfo *info ) +{ + info->type = CORE_DEVMEM; + info->caps = CSCAPS_ACCELERATION; + + snprintf( info->name, DFB_CORE_SYSTEM_INFO_NAME_LENGTH, "DevMem" ); +} + +static DFBResult +system_initialize( CoreDFB *core, void **ret_data ) +{ + DFBResult ret; + DevMemData *data; + DevMemDataShared *shared; + FusionSHMPoolShared *pool; + + D_ASSERT( m_data == NULL ); + + if (!dfb_config->video_phys || !dfb_config->video_length) { + D_ERROR( "System/DevMem: Please supply 'video-phys = 0xXXXXXXXX' and 'video-length = XXXX' options!\n" ); + return DFB_INVARG; + } + + if (dfb_config->mmio_phys && !dfb_config->mmio_length) { + D_ERROR( "System/DevMem: Please supply both 'mmio-phys = 0xXXXXXXXX' and 'mmio-length = XXXX' options or none!\n" ); + return DFB_INVARG; + } + + data = D_CALLOC( 1, sizeof(DevMemData) ); + if (!data) + return D_OOM(); + + pool = dfb_core_shmpool( core ); + + shared = SHCALLOC( pool, 1, sizeof(DevMemDataShared) ); + if (!shared) { + D_FREE( data ); + return D_OOSHM(); + } + + shared->shmpool = pool; + + data->shared = shared; + + ret = MapMemAndReg( data, + dfb_config->video_phys, dfb_config->video_length, + dfb_config->mmio_phys, dfb_config->mmio_length ); + if (ret) { + SHFREE( pool, shared ); + D_FREE( data ); + return ret; + } + + + *ret_data = m_data = data; + + dfb_surface_pool_initialize( core, &devmemSurfacePoolFuncs, &shared->pool ); + + fusion_arena_add_shared_field( dfb_core_arena( core ), "devmem", shared ); + + return DFB_OK; +} + +static DFBResult +system_join( CoreDFB *core, void **ret_data ) +{ + DFBResult ret; + void *tmp; + DevMemData *data; + DevMemDataShared *shared; + + D_ASSERT( m_data == NULL ); + + if (!dfb_config->video_phys || !dfb_config->video_length) { + D_ERROR( "System/DevMem: Please supply 'video-phys = 0xXXXXXXXX' and 'video-length = XXXX' options!\n" ); + return DFB_INVARG; + } + + if (dfb_config->mmio_phys && !dfb_config->mmio_length) { + D_ERROR( "System/DevMem: Please supply both 'mmio-phys = 0xXXXXXXXX' and 'mmio-length = XXXX' options or none!\n" ); + return DFB_INVARG; + } + + data = D_CALLOC( 1, sizeof(DevMemData) ); + if (!data) + return D_OOM(); + + ret = fusion_arena_get_shared_field( dfb_core_arena( core ), "devmem", &tmp ); + if (ret) { + D_FREE( data ); + return ret; + } + + data->shared = shared = tmp; + + ret = MapMemAndReg( data, + dfb_config->video_phys, dfb_config->video_length, + dfb_config->mmio_phys, dfb_config->mmio_length ); + if (ret) { + D_FREE( data ); + return ret; + } + + *ret_data = m_data = data; + + dfb_surface_pool_join( core, shared->pool, &devmemSurfacePoolFuncs ); + + return DFB_OK; +} + +static DFBResult +system_shutdown( bool emergency ) +{ + DevMemDataShared *shared; + + D_ASSERT( m_data != NULL ); + + shared = m_data->shared; + D_ASSERT( shared != NULL ); + + dfb_surface_pool_destroy( shared->pool ); + + UnmapMemAndReg( m_data, dfb_config->video_length, dfb_config->mmio_length ); + + SHFREE( shared->shmpool, shared ); + + D_FREE( m_data ); + m_data = NULL; + + return DFB_OK; +} + +static DFBResult +system_leave( bool emergency ) +{ + DevMemDataShared *shared; + + D_ASSERT( m_data != NULL ); + + shared = m_data->shared; + D_ASSERT( shared != NULL ); + + dfb_surface_pool_leave( shared->pool ); + + UnmapMemAndReg( m_data, dfb_config->video_length, dfb_config->mmio_length ); + + D_FREE( m_data ); + m_data = NULL; + + return DFB_OK; +} + +static DFBResult +system_suspend( void ) +{ + D_ASSERT( m_data != NULL ); + + return DFB_OK; +} + +static DFBResult +system_resume( void ) +{ + D_ASSERT( m_data != NULL ); + + return DFB_OK; +} + +static volatile void * +system_map_mmio( unsigned int offset, + int length ) +{ + D_ASSERT( m_data != NULL ); + + return m_data->reg + offset; +} + +static void +system_unmap_mmio( volatile void *addr, + int length ) +{ +} + +static int +system_get_accelerator( void ) +{ + return dfb_config->accelerator; +} + +static VideoMode * +system_get_modes( void ) +{ + return NULL; +} + +static VideoMode * +system_get_current_mode( void ) +{ + return NULL; +} + +static DFBResult +system_thread_init( void ) +{ + return DFB_OK; +} + +static bool +system_input_filter( CoreInputDevice *device, + DFBInputEvent *event ) +{ + return false; +} + +static unsigned long +system_video_memory_physical( unsigned int offset ) +{ + return dfb_config->video_phys + offset; +} + +static void * +system_video_memory_virtual( unsigned int offset ) +{ + D_ASSERT( m_data != NULL ); + + return m_data->mem + offset; +} + +static unsigned int +system_videoram_length( void ) +{ + return dfb_config->video_length; +} + +static unsigned long +system_aux_memory_physical( unsigned int offset ) +{ + return 0; +} + +static void * +system_aux_memory_virtual( unsigned int offset ) +{ + return NULL; +} + +static unsigned int +system_auxram_length( void ) +{ + return 0; +} + +static void +system_get_busid( int *ret_bus, int *ret_dev, int *ret_func ) +{ + return; +} + +static void +system_get_deviceid( unsigned int *ret_vendor_id, + unsigned int *ret_device_id ) +{ + return; +} + diff --git a/Source/DirectFB/systems/devmem/devmem.h b/Source/DirectFB/systems/devmem/devmem.h new file mode 100755 index 0000000..2aa8237 --- /dev/null +++ b/Source/DirectFB/systems/devmem/devmem.h @@ -0,0 +1,60 @@ +/* + (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 __DEVMEM_DEVMEM_H__ +#define __DEVMEM_DEVMEM_H__ + +#include <fusion/shmalloc.h> + +#include <core/surface_pool.h> + +#include "surfacemanager.h" + + +#define DEV_MEM "/dev/mem" + +extern const SurfacePoolFuncs devmemSurfacePoolFuncs; + + +typedef struct { + FusionSHMPoolShared *shmpool; + + CoreSurfacePool *pool; + SurfaceManager *manager; +} DevMemDataShared; + +typedef struct { + DevMemDataShared *shared; + + void *mem; + volatile void *reg; +} DevMemData; + + +#endif + diff --git a/Source/DirectFB/systems/devmem/devmem_surface_pool.c b/Source/DirectFB/systems/devmem/devmem_surface_pool.c new file mode 100755 index 0000000..1d0b6f6 --- /dev/null +++ b/Source/DirectFB/systems/devmem/devmem_surface_pool.c @@ -0,0 +1,394 @@ +/* + (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. +*/ + +#include <config.h> + +#include <direct/debug.h> +#include <direct/mem.h> + +#include <core/surface_pool.h> + +#include <gfx/convert.h> + +#include <misc/conf.h> + +#include "devmem.h" +#include "surfacemanager.h" + +D_DEBUG_DOMAIN( DevMem_Surfaces, "DevMem/Surfaces", "DevMem Framebuffer Surface Pool" ); +D_DEBUG_DOMAIN( DevMem_SurfLock, "DevMem/SurfLock", "DevMem Framebuffer Surface Pool Locks" ); + +/**********************************************************************************************************************/ + +typedef struct { + int magic; + + SurfaceManager *manager; +} DevMemPoolData; + +typedef struct { + int magic; + + CoreDFB *core; + void *mem; +} DevMemPoolLocalData; + +typedef struct { + int magic; + + int offset; + int pitch; + int size; + + Chunk *chunk; +} DevMemAllocationData; + +/**********************************************************************************************************************/ + +static int +devmemPoolDataSize( void ) +{ + return sizeof(DevMemPoolData); +} + +static int +devmemPoolLocalDataSize( void ) +{ + return sizeof(DevMemPoolLocalData); +} + +static int +devmemAllocationDataSize( void ) +{ + return sizeof(DevMemAllocationData); +} + +static DFBResult +devmemInitPool( CoreDFB *core, + CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + void *system_data, + CoreSurfacePoolDescription *ret_desc ) +{ + DFBResult ret; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemData *devmem = system_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_ASSERT( core != NULL ); + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_ASSERT( data != NULL ); + D_ASSERT( local != NULL ); + D_ASSERT( devmem != NULL ); + D_ASSERT( devmem->shared != NULL ); + D_ASSERT( ret_desc != NULL ); + + ret = dfb_surfacemanager_create( core, dfb_config->video_length, &data->manager ); + if (ret) + return ret; + + ret_desc->caps = CSPCAPS_PHYSICAL | CSPCAPS_VIRTUAL; + ret_desc->access[CSAID_CPU] = CSAF_READ | CSAF_WRITE | CSAF_SHARED; + ret_desc->access[CSAID_GPU] = CSAF_READ | CSAF_WRITE | CSAF_SHARED; + ret_desc->types = CSTF_LAYER | CSTF_WINDOW | CSTF_CURSOR | CSTF_FONT | CSTF_SHARED | CSTF_EXTERNAL; + ret_desc->priority = CSPP_DEFAULT; + ret_desc->size = dfb_config->video_length; + + /* For hardware layers */ + ret_desc->access[CSAID_LAYER0] = CSAF_READ; + ret_desc->access[CSAID_LAYER1] = CSAF_READ; + ret_desc->access[CSAID_LAYER2] = CSAF_READ; + ret_desc->access[CSAID_LAYER3] = CSAF_READ; + ret_desc->access[CSAID_LAYER4] = CSAF_READ; + ret_desc->access[CSAID_LAYER5] = CSAF_READ; + ret_desc->access[CSAID_LAYER6] = CSAF_READ; + ret_desc->access[CSAID_LAYER7] = CSAF_READ; + + snprintf( ret_desc->name, DFB_SURFACE_POOL_DESC_NAME_LENGTH, "/dev/mem" ); + + local->core = core; + local->mem = devmem->mem; + + D_MAGIC_SET( data, DevMemPoolData ); + D_MAGIC_SET( local, DevMemPoolLocalData ); + + devmem->shared->manager = data->manager; + + return DFB_OK; +} + +static DFBResult +devmemJoinPool( CoreDFB *core, + CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + void *system_data ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemData *devmem = system_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_ASSERT( core != NULL ); + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_ASSERT( local != NULL ); + D_ASSERT( devmem != NULL ); + D_ASSERT( devmem->shared != NULL ); + + (void) data; + + local->core = core; + local->mem = devmem->mem; + + D_MAGIC_SET( local, DevMemPoolLocalData ); + + return DFB_OK; +} + +static DFBResult +devmemDestroyPool( CoreSurfacePool *pool, + void *pool_data, + void *pool_local ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + + dfb_surfacemanager_destroy( data->manager ); + + D_MAGIC_CLEAR( data ); + D_MAGIC_CLEAR( local ); + + return DFB_OK; +} + +static DFBResult +devmemLeavePool( CoreSurfacePool *pool, + void *pool_data, + void *pool_local ) +{ + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s()\n", __FUNCTION__ ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + + (void) data; + + D_MAGIC_CLEAR( local ); + + return DFB_OK; +} + +static DFBResult +devmemTestConfig( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + const CoreSurfaceConfig *config ) +{ + DFBResult ret; + CoreSurface *surface; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + + surface = buffer->surface; + D_MAGIC_ASSERT( surface, CoreSurface ); + + if (surface->type & CSTF_LAYER) + return DFB_OK; + + ret = dfb_surfacemanager_allocate( local->core, data->manager, buffer, NULL, NULL ); + + D_DEBUG_AT( DevMem_Surfaces, " -> %s\n", DirectFBErrorString(ret) ); + + return ret; +} + +static DFBResult +devmemAllocateBuffer( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + void *alloc_data ) +{ + DFBResult ret; + Chunk *chunk; + CoreSurface *surface; + DevMemPoolData *data = pool_data; + DevMemPoolLocalData *local = pool_local; + DevMemAllocationData *alloc = alloc_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( local, DevMemPoolLocalData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + + surface = buffer->surface; + D_MAGIC_ASSERT( surface, CoreSurface ); + + ret = dfb_surfacemanager_allocate( local->core, data->manager, buffer, allocation, &chunk ); + if (ret) + return ret; + + D_MAGIC_ASSERT( chunk, Chunk ); + + alloc->offset = chunk->offset; + alloc->pitch = chunk->pitch; + alloc->size = chunk->length; + + alloc->chunk = chunk; + + D_DEBUG_AT( DevMem_Surfaces, " -> offset %d, pitch %d, size %d\n", alloc->offset, alloc->pitch, alloc->size ); + + allocation->size = alloc->size; + allocation->offset = alloc->offset; + + D_MAGIC_SET( alloc, DevMemAllocationData ); + + return DFB_OK; +} + +static DFBResult +devmemDeallocateBuffer( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + void *alloc_data ) +{ + DevMemPoolData *data = pool_data; + DevMemAllocationData *alloc = alloc_data; + + D_DEBUG_AT( DevMem_Surfaces, "%s( %p )\n", __FUNCTION__, buffer ); + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( data, DevMemPoolData ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + + if (alloc->chunk) + dfb_surfacemanager_deallocate( data->manager, alloc->chunk ); + + D_MAGIC_CLEAR( alloc ); + + return DFB_OK; +} + +static DFBResult +devmemLock( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceAllocation *allocation, + void *alloc_data, + CoreSurfaceBufferLock *lock ) +{ + DevMemPoolLocalData *local = pool_local; + DevMemAllocationData *alloc = alloc_data; + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock ); + + D_DEBUG_AT( DevMem_SurfLock, "%s( %p )\n", __FUNCTION__, lock->buffer ); + + lock->pitch = alloc->pitch; + lock->offset = alloc->offset; + lock->addr = local->mem + alloc->offset; + lock->phys = dfb_config->video_phys + alloc->offset; + + D_DEBUG_AT( DevMem_SurfLock, " -> offset %lu, pitch %d, addr %p, phys 0x%08lx\n", + lock->offset, lock->pitch, lock->addr, lock->phys ); + + return DFB_OK; +} + +static DFBResult +devmemUnlock( CoreSurfacePool *pool, + void *pool_data, + void *pool_local, + CoreSurfaceAllocation *allocation, + void *alloc_data, + CoreSurfaceBufferLock *lock ) +{ + DevMemAllocationData *alloc = alloc_data; + + D_MAGIC_ASSERT( pool, CoreSurfacePool ); + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( alloc, DevMemAllocationData ); + D_MAGIC_ASSERT( lock, CoreSurfaceBufferLock ); + + D_DEBUG_AT( DevMem_SurfLock, "%s( %p )\n", __FUNCTION__, lock->buffer ); + + (void) alloc; + + return DFB_OK; +} + +const SurfacePoolFuncs devmemSurfacePoolFuncs = { + .PoolDataSize = devmemPoolDataSize, + .PoolLocalDataSize = devmemPoolLocalDataSize, + .AllocationDataSize = devmemAllocationDataSize, + + .InitPool = devmemInitPool, + .JoinPool = devmemJoinPool, + .DestroyPool = devmemDestroyPool, + .LeavePool = devmemLeavePool, + + .TestConfig = devmemTestConfig, + .AllocateBuffer = devmemAllocateBuffer, + .DeallocateBuffer = devmemDeallocateBuffer, + + .Lock = devmemLock, + .Unlock = devmemUnlock, +}; + diff --git a/Source/DirectFB/systems/devmem/surfacemanager.c b/Source/DirectFB/systems/devmem/surfacemanager.c new file mode 100755 index 0000000..c3330cf --- /dev/null +++ b/Source/DirectFB/systems/devmem/surfacemanager.c @@ -0,0 +1,575 @@ +/* + (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. +*/ + +#include <config.h> + +#include <fusion/shmalloc.h> + +#include <directfb.h> +#include <directfb_util.h> + +#include <core/core.h> + +#include <core/gfxcard.h> +#include <core/surface.h> +#include <core/surface_buffer.h> + +#include <direct/debug.h> +#include <direct/messages.h> +#include <direct/util.h> + +#include <gfx/convert.h> + +#include "surfacemanager.h" + +D_DEBUG_DOMAIN( SurfMan, "SurfaceManager", "DirectFB Surface Manager" ); + + +static Chunk *split_chunk ( SurfaceManager *manager, + Chunk *chunk, + int length ); + +static Chunk *free_chunk ( SurfaceManager *manager, + Chunk *chunk ); + +static Chunk *occupy_chunk( SurfaceManager *manager, + Chunk *chunk, + CoreSurfaceAllocation *allocation, + int length, + int pitch ); + + +DFBResult +dfb_surfacemanager_create( CoreDFB *core, + unsigned int length, + SurfaceManager **ret_manager ) +{ + FusionSHMPoolShared *pool; + SurfaceManager *manager; + Chunk *chunk; + + D_DEBUG_AT( SurfMan, "%s( %p, %d )\n", __FUNCTION__, core, length ); + + D_ASSERT( core != NULL ); + D_ASSERT( ret_manager != NULL ); + + pool = dfb_core_shmpool( core ); + + manager = SHCALLOC( pool, 1, sizeof(SurfaceManager) ); + if (!manager) + return D_OOSHM(); + + chunk = SHCALLOC( pool, 1, sizeof(Chunk) ); + if (!chunk) { + D_OOSHM(); + SHFREE( pool, manager ); + return DFB_NOSHAREDMEMORY; + } + + manager->shmpool = pool; + manager->chunks = chunk; + manager->offset = 0; + manager->length = length; + manager->avail = manager->length - manager->offset; + + D_MAGIC_SET( manager, SurfaceManager ); + + chunk->offset = manager->offset; + chunk->length = manager->avail; + + D_MAGIC_SET( chunk, Chunk ); + + D_DEBUG_AT( SurfMan, " -> %p\n", manager ); + + *ret_manager = manager; + + return DFB_OK; +} + +void +dfb_surfacemanager_destroy( SurfaceManager *manager ) +{ + Chunk *chunk; + void *next; + + D_DEBUG_AT( SurfMan, "%s( %p )\n", __FUNCTION__, manager ); + + D_MAGIC_ASSERT( manager, SurfaceManager ); + + /* Deallocate all video chunks. */ + chunk = manager->chunks; + while (chunk) { + next = chunk->next; + + D_MAGIC_CLEAR( chunk ); + + SHFREE( manager->shmpool, chunk ); + + chunk = next; + } + + D_MAGIC_CLEAR( manager ); + + /* Deallocate manager struct. */ + SHFREE( manager->shmpool, manager ); +} + +/** public functions NOT locking the surfacemanger theirself, + to be called between lock/unlock of surfacemanager **/ + +DFBResult dfb_surfacemanager_allocate( CoreDFB *core, + SurfaceManager *manager, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + Chunk **ret_chunk ) +{ + int pitch; + int length; + Chunk *c; + CoreGraphicsDevice *device; + + Chunk *best_free = NULL; + + D_MAGIC_ASSERT( manager, SurfaceManager ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + D_MAGIC_ASSERT( buffer->surface, CoreSurface ); + + if (ret_chunk) + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + else + D_ASSUME( allocation == NULL ); + + D_DEBUG_AT( SurfMan, "%s( %p ) <- %dx%d %s\n", __FUNCTION__, buffer, + buffer->surface->config.size.w, buffer->surface->config.size.h, + dfb_pixelformat_name( buffer->surface->config.format ) ); + + if (manager->suspended) + return DFB_SUSPENDED; + + /* FIXME: Only one global device at the moment. */ + device = dfb_core_get_part( core, DFCP_GRAPHICS ); + D_ASSERT( device != NULL ); + + dfb_gfxcard_calc_buffer_size( device, buffer, &pitch, &length ); + + D_DEBUG_AT( SurfMan, " -> pitch %d, length %d\n", pitch, length ); + + if (manager->avail < length) + return DFB_TEMPUNAVAIL; + + /* examine chunks */ + c = manager->chunks; + D_MAGIC_ASSERT( c, Chunk ); + + /* FIXME_SC_2 Workaround creation happening before graphics driver initialization. */ + if (!c->next) { + int length = dfb_gfxcard_memory_length(); + + if (c->length != length - manager->offset) { + D_WARN( "workaround" ); + + manager->length = length; + manager->avail = length - manager->offset; + + c->length = length - manager->offset; + } + } + + while (c) { + D_MAGIC_ASSERT( c, Chunk ); + + if (!c->buffer && c->length >= length) { + /* NULL means check only. */ + if (!ret_chunk) + return DFB_OK; + + /* found a nice place to chill */ + if (!best_free || best_free->length > c->length) + /* first found or better one? */ + best_free = c; + + if (c->length == length) + break; + } + + c = c->next; + } + + /* if we found a place */ + if (best_free) { + D_DEBUG_AT( SurfMan, " -> found free (%d)\n", best_free->length ); + + /* NULL means check only. */ + if (ret_chunk) + *ret_chunk = occupy_chunk( manager, best_free, allocation, length, pitch ); + + return DFB_OK; + } + + D_DEBUG_AT( SurfMan, " -> failed (%d/%d avail)\n", manager->avail, manager->length ); + + /* no luck */ + return DFB_NOVIDEOMEMORY; +} + +DFBResult dfb_surfacemanager_displace( CoreDFB *core, + SurfaceManager *manager, + CoreSurfaceBuffer *buffer ) +{ + int length; + Chunk *multi_start = NULL; + int multi_size = 0; + int multi_tsize = 0; + int multi_count = 0; + Chunk *bestm_start = NULL; + int bestm_count = 0; + int bestm_size = 0; + int min_toleration; + Chunk *chunk; + CoreGraphicsDevice *device; + CoreSurfaceAllocation *smallest = NULL; + + D_MAGIC_ASSERT( manager, SurfaceManager ); + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + D_MAGIC_ASSERT( buffer->surface, CoreSurface ); + + D_DEBUG_AT( SurfMan, "%s( %p ) <- %dx%d %s\n", __FUNCTION__, buffer, + buffer->surface->config.size.w, buffer->surface->config.size.h, + dfb_pixelformat_name( buffer->surface->config.format ) ); + + /* FIXME: Only one global device at the moment. */ + device = dfb_core_get_part( core, DFCP_GRAPHICS ); + D_ASSERT( device != NULL ); + + dfb_gfxcard_calc_buffer_size( dfb_core_get_part( core, DFCP_GRAPHICS ), buffer, NULL, &length ); + + min_toleration = manager->min_toleration/8 + 2; + + D_DEBUG_AT( SurfMan, " -> %7d required, min toleration %d\n", length, min_toleration ); + + chunk = manager->chunks; + while (chunk) { + CoreSurfaceAllocation *allocation; + + D_MAGIC_ASSERT( chunk, Chunk ); + + allocation = chunk->allocation; + if (allocation) { + CoreSurfaceBuffer *other; + int size; + + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_ASSERT( chunk->buffer == allocation->buffer ); + D_ASSERT( chunk->length >= allocation->size ); + + other = allocation->buffer; + D_MAGIC_ASSERT( other, CoreSurfaceBuffer ); + + if (other->locked) { + D_DEBUG_AT( SurfMan, " ++ %7d locked %dx\n", allocation->size, other->locked ); + goto next_reset; + } + + if (other->policy > buffer->policy) { + D_DEBUG_AT( SurfMan, " ++ %7d policy %d > %d\n", allocation->size, other->policy, buffer->policy ); + goto next_reset; + } + + if (other->policy == CSP_VIDEOONLY) { + D_DEBUG_AT( SurfMan, " ++ %7d policy videoonly\n", allocation->size ); + goto next_reset; + } + + chunk->tolerations++; + if (chunk->tolerations > 0xff) + chunk->tolerations = 0xff; + + if (other->policy == buffer->policy && chunk->tolerations < min_toleration) { + D_DEBUG_AT( SurfMan, " ++ %7d tolerations %d/%d\n", + allocation->size, chunk->tolerations, min_toleration ); + goto next_reset; + } + + size = allocation->size; + + if (chunk->prev && !chunk->prev->allocation) + size += chunk->prev->length; + + if (chunk->next && !chunk->next->allocation) + size += chunk->next->length; + + if (size >= length) { + if (!smallest || smallest->size > allocation->size) { + D_DEBUG_AT( SurfMan, " => %7d [%d] < %d, tolerations %d\n", + allocation->size, size, smallest ? smallest->size : 0, chunk->tolerations ); + + smallest = allocation; + } + else + D_DEBUG_AT( SurfMan, " -> %7d [%d] > %d\n", allocation->size, size, smallest->size ); + } + else + D_DEBUG_AT( SurfMan, " -> %7d [%d]\n", allocation->size, size ); + } + else + D_DEBUG_AT( SurfMan, " - %7d free\n", chunk->length ); + + + if (!smallest) { + if (!multi_start) { + multi_start = chunk; + multi_tsize = chunk->length; + multi_size = chunk->allocation ? chunk->length : 0; + multi_count = chunk->allocation ? 1 : 0; + } + else { + multi_tsize += chunk->length; + multi_size += chunk->allocation ? chunk->length : 0; + multi_count += chunk->allocation ? 1 : 0; + + while (multi_tsize >= length && multi_count > 1) { + if (!bestm_start || bestm_size > multi_size * multi_count / bestm_count) { + D_DEBUG_AT( SurfMan, " =====> %7d, %7d %2d used [%7d %2d]\n", + multi_tsize, multi_size, multi_count, bestm_size, bestm_count ); + + bestm_size = multi_size; + bestm_start = multi_start; + bestm_count = multi_count; + } + else + D_DEBUG_AT( SurfMan, " -----> %7d, %7d %2d used\n", + multi_tsize, multi_size, multi_count ); + + if (multi_count <= 2) + break; + + if (!multi_start->allocation) { + multi_tsize -= multi_start->length; + multi_start = multi_start->next; + } + + D_ASSUME( multi_start->allocation != NULL ); + + multi_tsize -= multi_start->length; + multi_size -= multi_start->allocation ? multi_start->length : 0; + multi_count -= multi_start->allocation ? 1 : 0; + multi_start = multi_start->next; + } + } + } + + chunk = chunk->next; + + continue; + + +next_reset: + multi_start = NULL; + + chunk = chunk->next; + } + + if (smallest) { + D_MAGIC_ASSERT( smallest, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( smallest->buffer, CoreSurfaceBuffer ); + + smallest->flags |= CSALF_MUCKOUT; + + D_DEBUG_AT( SurfMan, " -> offset %lu, size %d\n", smallest->offset, smallest->size ); + + return DFB_OK; + } + + if (bestm_start) { + chunk = bestm_start; + + while (bestm_count) { + CoreSurfaceAllocation *allocation = chunk->allocation; + + if (allocation) { + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( allocation->buffer, CoreSurfaceBuffer ); + + allocation->flags |= CSALF_MUCKOUT; + + bestm_count--; + } + + D_DEBUG_AT( SurfMan, " ---> offset %d, length %d\n", chunk->offset, chunk->length ); + + chunk = chunk->next; + } + + return DFB_OK; + } + + return DFB_NOVIDEOMEMORY; +} + +DFBResult dfb_surfacemanager_deallocate( SurfaceManager *manager, + Chunk *chunk ) +{ + CoreSurfaceBuffer *buffer; + + D_MAGIC_ASSERT( manager, SurfaceManager ); + D_MAGIC_ASSERT( chunk, Chunk ); + + buffer = chunk->buffer; + D_MAGIC_ASSERT( buffer, CoreSurfaceBuffer ); + D_MAGIC_ASSERT( buffer->surface, CoreSurface ); + + D_DEBUG_AT( SurfMan, "%s( %p ) <- %dx%d %s\n", __FUNCTION__, buffer, + buffer->surface->config.size.w, buffer->surface->config.size.h, + dfb_pixelformat_name( buffer->surface->config.format ) ); + + free_chunk( manager, chunk ); + + return DFB_OK; +} + +/** internal functions NOT locking the surfacemanager **/ + +static Chunk * +split_chunk( SurfaceManager *manager, Chunk *c, int length ) +{ + Chunk *newchunk; + + D_MAGIC_ASSERT( c, Chunk ); + + if (c->length == length) /* does not need be splitted */ + return c; + + newchunk = (Chunk*) SHCALLOC( manager->shmpool, 1, sizeof(Chunk) ); + if (!newchunk) { + D_OOSHM(); + return NULL; + } + + /* calculate offsets and lengths of resulting chunks */ + newchunk->offset = c->offset + c->length - length; + newchunk->length = length; + c->length -= newchunk->length; + + /* insert newchunk after chunk c */ + newchunk->prev = c; + newchunk->next = c->next; + if (c->next) + c->next->prev = newchunk; + c->next = newchunk; + + D_MAGIC_SET( newchunk, Chunk ); + + return newchunk; +} + +static Chunk * +free_chunk( SurfaceManager *manager, Chunk *chunk ) +{ + D_MAGIC_ASSERT( manager, SurfaceManager ); + D_MAGIC_ASSERT( chunk, Chunk ); + + if (!chunk->buffer) { + D_BUG( "freeing free chunk" ); + return chunk; + } + else { + D_DEBUG_AT( SurfMan, "Deallocating %d bytes at offset %d.\n", chunk->length, chunk->offset ); + } + + if (chunk->buffer->policy == CSP_VIDEOONLY) + manager->avail += chunk->length; + + chunk->allocation = NULL; + chunk->buffer = NULL; + + manager->min_toleration--; + + if (chunk->prev && !chunk->prev->buffer) { + Chunk *prev = chunk->prev; + + //D_DEBUG_AT( SurfMan, " -> merging with previous chunk at %d\n", prev->offset ); + + prev->length += chunk->length; + + prev->next = chunk->next; + if (prev->next) + prev->next->prev = prev; + + //D_DEBUG_AT( SurfMan, " -> freeing %p (prev %p, next %p)\n", chunk, chunk->prev, chunk->next); + + D_MAGIC_CLEAR( chunk ); + + SHFREE( manager->shmpool, chunk ); + chunk = prev; + } + + if (chunk->next && !chunk->next->buffer) { + Chunk *next = chunk->next; + + //D_DEBUG_AT( SurfMan, " -> merging with next chunk at %d\n", next->offset ); + + chunk->length += next->length; + + chunk->next = next->next; + if (chunk->next) + chunk->next->prev = chunk; + + D_MAGIC_CLEAR( next ); + + SHFREE( manager->shmpool, next ); + } + + return chunk; +} + +static Chunk * +occupy_chunk( SurfaceManager *manager, Chunk *chunk, CoreSurfaceAllocation *allocation, int length, int pitch ) +{ + D_MAGIC_ASSERT( manager, SurfaceManager ); + D_MAGIC_ASSERT( chunk, Chunk ); + D_MAGIC_ASSERT( allocation, CoreSurfaceAllocation ); + D_MAGIC_ASSERT( allocation->buffer, CoreSurfaceBuffer ); + + if (allocation->buffer->policy == CSP_VIDEOONLY) + manager->avail -= length; + + chunk = split_chunk( manager, chunk, length ); + if (!chunk) + return NULL; + + D_DEBUG_AT( SurfMan, "Allocating %d bytes at offset %d.\n", chunk->length, chunk->offset ); + + chunk->allocation = allocation; + chunk->buffer = allocation->buffer; + chunk->pitch = pitch; + + manager->min_toleration++; + + return chunk; +} + diff --git a/Source/DirectFB/systems/devmem/surfacemanager.h b/Source/DirectFB/systems/devmem/surfacemanager.h new file mode 100755 index 0000000..e6136c5 --- /dev/null +++ b/Source/DirectFB/systems/devmem/surfacemanager.h @@ -0,0 +1,110 @@ +/* + (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 __SURFACEMANAGER_H__ +#define __SURFACEMANAGER_H__ + +#include <directfb.h> + +#include <core/coretypes.h> + +typedef struct _SurfaceManager SurfaceManager; +typedef struct _Chunk Chunk; + +/* + * initially there is one big free chunk, + * chunks are splitted into a free and an occupied chunk if memory is allocated, + * two chunks are merged to one free chunk if memory is deallocated + */ +struct _Chunk { + int magic; + + int offset; /* offset in memory, + is greater or equal to the heap offset */ + int length; /* length of this chunk in bytes */ + + int pitch; + + CoreSurfaceBuffer *buffer; /* pointer to surface buffer occupying + this chunk, or NULL if chunk is free */ + CoreSurfaceAllocation *allocation; + + int tolerations; /* number of times this chunk was scanned + occupied, resetted in assure_video */ + + Chunk *prev; + Chunk *next; +}; + +struct _SurfaceManager { + int magic; + + FusionSHMPoolShared *shmpool; + + Chunk *chunks; + + int offset; + int length; /* length of the heap in bytes */ + int avail; /* amount of available memory in bytes */ + + int min_toleration; + + bool suspended; +}; + + +DFBResult dfb_surfacemanager_create ( CoreDFB *core, + unsigned int length, + SurfaceManager **ret_manager ); + +void dfb_surfacemanager_destroy( SurfaceManager *manager ); + +/* + * finds and allocates one for the surface or fails, + * after success the video health is CSH_RESTORE. + * NOTE: this does not notify the listeners + */ +DFBResult dfb_surfacemanager_allocate( CoreDFB *core, + SurfaceManager *manager, + CoreSurfaceBuffer *buffer, + CoreSurfaceAllocation *allocation, + Chunk **ret_chunk ); + +DFBResult dfb_surfacemanager_displace( CoreDFB *core, + SurfaceManager *manager, + CoreSurfaceBuffer *buffer ); + +/* + * sets the video health to CSH_INVALID frees the chunk and + * notifies the listeners + */ +DFBResult dfb_surfacemanager_deallocate( SurfaceManager *manager, + Chunk *chunk ); + +#endif + |