static DFBResult
init_bridge( CoreDFB *core,
CoreSurfacePoolBridge *bridge,
const SurfacePoolBridgeFuncs *funcs,
void *context )
{
DFBResult ret;
D_MAGIC_ASSERT( bridge, CoreSurfacePoolBridge );
D_ASSERT( funcs != NULL );
D_ASSERT( funcs->InitPoolBridge != NULL );
D_DEBUG_AT( Core_SurfPoolBridge, "%s( %p, %p )\n", __FUNCTION__, bridge, funcs );
if (funcs->PoolBridgeDataSize)
bridge->bridge_data_size = funcs->PoolBridgeDataSize();
if (funcs->PoolBridgeLocalDataSize)
bridge->bridge_local_data_size = funcs->PoolBridgeLocalDataSize();
if (funcs->PoolTransferDataSize)
bridge->transfer_data_size = funcs->PoolTransferDataSize();
/* Allocate shared bridge data. */
if (bridge->bridge_data_size) {
bridge->data = SHCALLOC( bridge->shmpool, 1, bridge->bridge_data_size );
if (!bridge->data)
return D_OOSHM();
}
/* Allocate local bridge data. */
if (bridge->bridge_local_data_size &&
!(bridge_locals[bridge->bridge_id] = D_CALLOC( 1, bridge->bridge_local_data_size )))
{
SHFREE( bridge->shmpool, bridge->data );
return D_OOM();
}
ret = funcs->InitPoolBridge( core, bridge, bridge->data, get_local(bridge), context, &bridge->desc );
if (ret) {
D_DERROR( ret, "Core/SurfacePoolBridge: Initializing '%s' failed!\n", bridge->desc.name );
if (bridge_locals[bridge->bridge_id]) {
D_FREE( bridge_locals[bridge->bridge_id] );
bridge_locals[bridge->bridge_id] = NULL;
}
if (bridge->data) {
SHFREE( bridge->shmpool, bridge->data );
bridge->data = NULL;
}
return ret;
}
fusion_skirmish_init2( &bridge->lock, bridge->desc.name, dfb_core_world(core), fusion_config->secure_fusion );
return DFB_OK;
}
static DFBResult
dfb_clipboard_core_initialize( CoreDFB *core,
DFBClipboardCore *data,
DFBClipboardCoreShared *shared )
{
D_DEBUG_AT( Core_Clipboard, "dfb_clipboard_core_initialize( %p, %p, %p )\n", core, data, shared );
D_ASSERT( data != NULL );
D_ASSERT( shared != NULL );
data->core = core;
data->shared = shared;
shared->shmpool = dfb_core_shmpool( core );
fusion_skirmish_init2( &shared->lock, "Clipboard Core", dfb_core_world(core), fusion_config->secure_fusion );
D_MAGIC_SET( data, DFBClipboardCore );
D_MAGIC_SET( shared, DFBClipboardCoreShared );
return DFB_OK;
}
DirectResult
fusion_shm_init( FusionWorld *world )
{
int i;
int num;
DirectResult ret;
FusionSHM *shm;
FusionSHMShared *shared;
D_MAGIC_ASSERT( world, FusionWorld );
D_MAGIC_ASSERT( world->shared, FusionWorldShared );
shm = &world->shm;
shared = &world->shared->shm;
/* Initialize local data. */
memset( shm, 0, sizeof(FusionSHM) );
shm->world = world;
shm->shared = shared;
/* Initialize shared data. */
if (fusion_master( world )) {
memset( shared, 0, sizeof(FusionSHMShared) );
if (fusion_config->tmpfs) {
direct_snputs( shared->tmpfs, fusion_config->tmpfs, FUSION_SHM_TMPFS_PATH_NAME_LEN );
}
else if (!fusion_find_tmpfs( shared->tmpfs, FUSION_SHM_TMPFS_PATH_NAME_LEN )) {
D_ERROR( "Fusion/SHM: Could not find tmpfs mount point, falling back to /dev/shm!\n" );
direct_snputs( shared->tmpfs, "/dev/shm", FUSION_SHM_TMPFS_PATH_NAME_LEN );
}
shared->world = world->shared;
/* Initialize shared lock. */
ret = fusion_skirmish_init2( &shared->lock, "Fusion SHM", world, fusion_config->secure_fusion );
if (ret) {
D_DERROR( ret, "Fusion/SHM: Failed to create skirmish!\n" );
return ret;
}
/* Initialize static pool array. */
for (i=0; i<FUSION_SHM_MAX_POOLS; i++)
shared->pools[i].index = i;
D_MAGIC_SET( shm, FusionSHM );
D_MAGIC_SET( shared, FusionSHMShared );
}
else {
D_MAGIC_ASSERT( shared, FusionSHMShared );
D_MAGIC_SET( shm, FusionSHM );
for (i=0, num=0; i<FUSION_SHM_MAX_POOLS; i++) {
if (shared->pools[i].active) {
D_MAGIC_ASSERT( &shared->pools[i], FusionSHMPoolShared );
ret = fusion_shm_pool_attach( shm, &shared->pools[i] );
if (ret) {
for (--i; i>=0; i--) {
if (shared->pools[i].active)
fusion_shm_pool_detach( shm, &shared->pools[i] );
}
D_MAGIC_CLEAR( shm );
return ret;
}
num++;
}
}
D_ASSERT( num == shared->num_pools );
}
return DR_OK;
}
DFBResult
dfb_surface_create( CoreDFB *core,
const CoreSurfaceConfig *config,
CoreSurfaceTypeFlags type,
unsigned long resource_id,
CorePalette *palette,
CoreSurface **ret_surface )
{
DFBResult ret = DFB_BUG;
int i, data_size;
int buffers;
CoreSurface *surface;
char buf[64];
D_ASSERT( core != NULL );
D_FLAGS_ASSERT( type, CSTF_ALL );
D_MAGIC_ASSERT_IF( palette, CorePalette );
D_ASSERT( ret_surface != NULL );
D_DEBUG_AT( Core_Surface, "dfb_surface_create( %p, %p, %p )\n", core, config, ret_surface );
surface = dfb_core_create_surface( core );
if (!surface)
return DFB_FUSION;
surface->data = NULL;
if (config) {
D_FLAGS_ASSERT( config->flags, CSCONF_ALL );
surface->config.flags = config->flags;
if (config->flags & CSCONF_SIZE) {
D_DEBUG_AT( Core_Surface, " -> %dx%d\n", config->size.w, config->size.h );
surface->config.size = config->size;
}
if (config->flags & CSCONF_FORMAT) {
D_DEBUG_AT( Core_Surface, " -> %s\n", dfb_pixelformat_name( config->format ) );
surface->config.format = config->format;
}
if (config->flags & CSCONF_CAPS) {
D_DEBUG_AT( Core_Surface, " -> caps 0x%08x\n", config->caps );
if (config->caps & DSCAPS_ROTATED)
D_UNIMPLEMENTED();
surface->config.caps = config->caps & ~DSCAPS_ROTATED;
}
if (config->flags & CSCONF_PREALLOCATED) {
D_DEBUG_AT( Core_Surface, " -> prealloc %p [%d]\n",
config->preallocated[0].addr,
config->preallocated[0].pitch );
direct_memcpy( surface->config.preallocated, config->preallocated, sizeof(config->preallocated) );
surface->config.preallocated_pool_id = config->preallocated_pool_id;
type |= CSTF_PREALLOCATED;
}
}
if (surface->config.caps & DSCAPS_SYSTEMONLY)
surface->type = (type & ~CSTF_EXTERNAL) | CSTF_INTERNAL;
else if (surface->config.caps & DSCAPS_VIDEOONLY)
surface->type = (type & ~CSTF_INTERNAL) | CSTF_EXTERNAL;
else
surface->type = type & ~(CSTF_INTERNAL | CSTF_EXTERNAL);
if (surface->config.caps & DSCAPS_SHARED)
surface->type |= CSTF_SHARED;
surface->resource_id = resource_id;
if (surface->config.caps & DSCAPS_TRIPLE)
buffers = 3;
else if (surface->config.caps & DSCAPS_DOUBLE)
buffers = 2;
else {
buffers = 1;
surface->config.caps &= ~DSCAPS_ROTATED;
}
surface->notifications = CSNF_ALL & ~CSNF_FLIP;
surface->alpha_ramp[0] = 0x00;
surface->alpha_ramp[1] = 0x55;
surface->alpha_ramp[2] = 0xaa;
surface->alpha_ramp[3] = 0xff;
if (surface->config.caps & DSCAPS_STATIC_ALLOC)
surface->config.min_size = surface->config.size;
surface->shmpool = dfb_core_shmpool( core );
direct_serial_init( &surface->serial );
snprintf( buf, sizeof(buf), "Surface %dx%d %s", surface->config.size.w,
surface->config.size.h, dfb_pixelformat_name(surface->config.format) );
fusion_ref_set_name( &surface->object.ref, buf );
fusion_skirmish_init2( &surface->lock, buf, dfb_core_world(core), fusion_config->secure_fusion );
// fusion_skirmish_add_permissions( &surface->lock, 0, FUSION_SKIRMISH_PERMIT_PREVAIL | FUSION_SKIRMISH_PERMIT_DISMISS );
D_MAGIC_SET( surface, CoreSurface );
if (dfb_config->warn.flags & DCWF_CREATE_SURFACE &&
dfb_config->warn.create_surface.min_size.w <= surface->config.size.w &&
dfb_config->warn.create_surface.min_size.h <= surface->config.size.h)
D_WARN( "create-surface %4dx%4d %6s, buffers %d, caps 0x%08x, type 0x%08x",
surface->config.size.w, surface->config.size.h, dfb_pixelformat_name(surface->config.format),
buffers, surface->config.caps, surface->type );
if (palette) {
dfb_surface_set_palette( surface, palette );
}
else if (DFB_PIXELFORMAT_IS_INDEXED( surface->config.format )) {
ret = dfb_surface_init_palette( core, surface );
if (ret)
goto error;
}
/* Create the system driver specific surface data information */
data_size = dfb_system_surface_data_size();
if (data_size) {
surface->data = SHCALLOC( surface->shmpool, 1, data_size );
if (!surface->data) {
ret = D_OOSHM();
goto error;
}
}
dfb_system_surface_data_init(surface,surface->data);
dfb_surface_lock( surface );
/* Create the Surface Buffers. */
for (i=0; i<buffers; i++) {
ret = dfb_surface_buffer_create( core, surface, CSBF_NONE, &surface->buffers[i] );
if (ret) {
D_DERROR( ret, "Core/Surface: Error creating surface buffer!\n" );
goto error;
}
surface->num_buffers++;
dfb_surface_buffer_globalize( surface->buffers[i] );
switch (i) {
case 0:
surface->buffer_indices[CSBR_FRONT] = i;
case 1:
surface->buffer_indices[CSBR_BACK] = i;
case 2:
surface->buffer_indices[CSBR_IDLE] = i;
}
}
dfb_surface_unlock( surface );
CoreSurface_Init_Dispatch( core, surface, &surface->call );
fusion_object_activate( &surface->object );
*ret_surface = surface;
return DFB_OK;
error:
for (i=0; i<MAX_SURFACE_BUFFERS; i++) {
if (surface->buffers[i])
dfb_surface_buffer_decouple( surface->buffers[i] );
}
/* release the system driver specific surface data */
if (surface->data) {
dfb_system_surface_data_destroy( surface, surface->data );
SHFREE( surface->shmpool, surface->data );
surface->data = NULL;
}
fusion_skirmish_destroy( &surface->lock );
direct_serial_deinit( &surface->serial );
D_MAGIC_CLEAR( surface );
fusion_object_destroy( &surface->object );
return ret;
}
static DirectResult
init_pool( FusionSHM *shm,
FusionSHMPool *pool,
FusionSHMPoolShared *shared,
const char *name,
unsigned int max_size,
bool debug )
{
DirectResult ret;
int size;
FusionWorld *world;
FusionSHMPoolNew pool_new = { .pool_id = 0 };
FusionSHMPoolAttach pool_attach = { .pool_id = 0 };
FusionEntryInfo info;
char buf[FUSION_SHM_TMPFS_PATH_NAME_LEN + 32];
D_DEBUG_AT( Fusion_SHMPool, "%s( %p, %p, %p, '%s', %d, %sdebug )\n",
__FUNCTION__, shm, pool, shared, name, max_size, debug ? "" : "non-" );
D_MAGIC_ASSERT( shm, FusionSHM );
D_MAGIC_ASSERT( shm->shared, FusionSHMShared );
D_ASSERT( name != NULL );
D_ASSERT( max_size > sizeof(shmalloc_heap) );
world = shm->world;
D_MAGIC_ASSERT( world, FusionWorld );
D_ASSERT( pool != NULL );
D_ASSERT( shared != NULL );
/* Fill out information for new pool. */
pool_new.max_size = max_size;
pool_new.max_size += BLOCKALIGN(sizeof(shmalloc_heap)) +
BLOCKALIGN( (max_size + BLOCKSIZE-1) / BLOCKSIZE * sizeof(shmalloc_info) );
/* Create the new pool. */
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_NEW, &pool_new )) {
if (errno == EINTR)
continue;
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_NEW failed!\n" );
return DR_FUSION;
}
/* Set the pool info. */
info.type = FT_SHMPOOL;
info.id = pool_new.pool_id;
snprintf( info.name, sizeof(info.name), "%s", name );
ioctl( world->fusion_fd, FUSION_ENTRY_SET_INFO, &info );
fusion_entry_add_permissions( world, FT_SHMPOOL, pool_new.pool_id, 0,
FUSION_SHMPOOL_ATTACH,
FUSION_SHMPOOL_DETACH,
0 );
/* Set pool to attach to. */
pool_attach.pool_id = pool_new.pool_id;
/* Attach to the pool. */
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_ATTACH, &pool_attach )) {
if (errno == EINTR)
continue;
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_ATTACH failed!\n" );
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_DESTROY, &shared->pool_id )) {
if (errno != EINTR) {
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_DESTROY failed!\n" );
break;
}
}
return DR_FUSION;
}
/* Generate filename. */
snprintf( buf, sizeof(buf), "%s/fusion.%d.%d", shm->shared->tmpfs,
fusion_world_index( shm->world ), pool_new.pool_id );
/* Initialize the heap. */
ret = __shmalloc_init_heap( shm, buf, pool_new.addr_base, max_size, &size );
if (ret) {
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_DESTROY, &shared->pool_id )) {
if (errno != EINTR) {
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_DESTROY failed!\n" );
break;
}
}
return ret;
}
/* Initialize local data. */
pool->attached = true;
pool->shm = shm;
pool->shared = shared;
pool->pool_id = pool_new.pool_id;
pool->filename = D_STRDUP( buf );
/* Initialize shared data. */
shared->active = true;
shared->debug = debug;
shared->shm = shm->shared;
shared->max_size = pool_new.max_size;
shared->pool_id = pool_new.pool_id;
shared->addr_base = pool_new.addr_base;
shared->heap = pool_new.addr_base;
shared->heap->pool = shared;
fusion_skirmish_init2( &shared->lock, name, world, fusion_config->secure_fusion );
D_MAGIC_SET( pool, FusionSHMPool );
D_MAGIC_SET( shared, FusionSHMPoolShared );
shared->name = SHSTRDUP( shared, name );
return DR_OK;
}
static DirectResult
join_pool( FusionSHM *shm,
FusionSHMPool *pool,
FusionSHMPoolShared *shared )
{
DirectResult ret;
FusionWorld *world;
FusionSHMPoolAttach pool_attach = { .pool_id = 0 };
char buf[FUSION_SHM_TMPFS_PATH_NAME_LEN + 32];
D_DEBUG_AT( Fusion_SHMPool, "%s( %p, %p, %p )\n", __FUNCTION__, shm, pool, shared );
D_MAGIC_ASSERT( shm, FusionSHM );
D_MAGIC_ASSERT( shm->shared, FusionSHMShared );
D_MAGIC_ASSERT( shared, FusionSHMPoolShared );
#if !DIRECT_BUILD_DEBUGS
if (shared->debug) {
D_ERROR( "Fusion/SHM: Can't join debug enabled pool with pure-release library!\n" );
return DR_UNSUPPORTED;
}
#endif
world = shm->world;
D_MAGIC_ASSERT( world, FusionWorld );
/* Set pool to attach to. */
pool_attach.pool_id = shared->pool_id;
/* Attach to the pool. */
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_ATTACH, &pool_attach )) {
if (errno == EINTR)
continue;
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_ATTACH failed!\n" );
return DR_FUSION;
}
/* Generate filename. */
snprintf( buf, sizeof(buf), "%s/fusion.%d.%d", shm->shared->tmpfs,
fusion_world_index( shm->world ), shared->pool_id );
/* Join the heap. */
ret = __shmalloc_join_heap( shm, buf, pool_attach.addr_base, shared->max_size,
!fusion_config->secure_fusion );
if (ret) {
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_DETACH, &shared->pool_id )) {
if (errno != EINTR) {
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_DETACH failed!\n" );
break;
}
}
return ret;
}
/* Initialize local data. */
pool->attached = true;
pool->shm = shm;
pool->shared = shared;
pool->pool_id = shared->pool_id;
pool->filename = D_STRDUP( buf );
D_MAGIC_SET( pool, FusionSHMPool );
return DR_OK;
}
static void
leave_pool( FusionSHM *shm,
FusionSHMPool *pool,
FusionSHMPoolShared *shared )
{
FusionWorld *world;
D_DEBUG_AT( Fusion_SHMPool, "%s( %p, %p, %p )\n", __FUNCTION__, shm, pool, shared );
D_MAGIC_ASSERT( shm, FusionSHM );
D_MAGIC_ASSERT( pool, FusionSHMPool );
D_MAGIC_ASSERT( shared, FusionSHMPoolShared );
world = shm->world;
D_MAGIC_ASSERT( world, FusionWorld );
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_DETACH, &shared->pool_id )) {
if (errno != EINTR) {
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_DETACH failed!\n" );
break;
}
}
if (munmap( shared->addr_base, shared->max_size ))
D_PERROR( "Fusion/SHM: Could not munmap shared memory file '%s'!\n", pool->filename );
pool->attached = false;
D_FREE( pool->filename );
D_MAGIC_CLEAR( pool );
}
static void
shutdown_pool( FusionSHM *shm,
FusionSHMPool *pool,
FusionSHMPoolShared *shared )
{
FusionWorld *world;
D_DEBUG_AT( Fusion_SHMPool, "%s( %p, %p, %p )\n", __FUNCTION__, shm, pool, shared );
D_MAGIC_ASSERT( shm, FusionSHM );
D_MAGIC_ASSERT( pool, FusionSHMPool );
D_MAGIC_ASSERT( shared, FusionSHMPoolShared );
world = shm->world;
D_MAGIC_ASSERT( world, FusionWorld );
SHFREE( shared, shared->name );
fusion_dbg_print_memleaks( shared );
while (ioctl( world->fusion_fd, FUSION_SHMPOOL_DESTROY, &shared->pool_id )) {
if (errno != EINTR) {
D_PERROR( "Fusion/SHM: FUSION_SHMPOOL_DESTROY failed!\n" );
break;
}
}
if (munmap( shared->addr_base, shared->max_size ))
D_PERROR( "Fusion/SHM: Could not munmap shared memory file '%s'!\n", pool->filename );
if (unlink( pool->filename ))
D_PERROR( "Fusion/SHM: Could not unlink shared memory file '%s'!\n", pool->filename );
shared->active = false;
pool->attached = false;
D_FREE( pool->filename );
D_MAGIC_CLEAR( pool );
fusion_skirmish_destroy( &shared->lock );
D_MAGIC_CLEAR( shared );
}
