DFBResult
unique_decoration_create( UniqueWindow *window,
UniqueDecorationFlags flags,
UniqueDecoration **ret_decoration )
{
DFBResult ret;
UniqueDecoration *decoration;
UniqueContext *context;
D_ASSERT( window != NULL );
D_ASSERT( D_FLAGS_ARE_IN( flags, UDF_ALL ) );
D_ASSERT( ret_decoration != NULL );
context = window->context;
D_MAGIC_ASSERT( context, UniqueContext );
/* Create a decoration object. */
decoration = unique_wm_create_decoration();
if (!decoration)
return DFB_FUSION;
/* Initialize deocration data. */
decoration->flags = flags;
ret = unique_window_link( &decoration->window, window );
if (ret)
goto error;
ret = unique_context_link( &decoration->context, window->context );
if (ret)
goto error;
D_MAGIC_SET( decoration, UniqueDecoration );
/* Change global reaction lock. */
fusion_object_set_lock( &decoration->object, &context->stack->context->lock );
/* activate object */
fusion_object_activate( &decoration->object );
/* return the new decoration */
*ret_decoration = decoration;
return DFB_OK;
error:
if (decoration->context)
unique_context_unlink( &decoration->context );
if (decoration->window)
unique_window_unlink( &decoration->window );
fusion_object_destroy( &decoration->object );
return ret;
}
DFBResult
dfb_layer_region_create( CoreLayerContext *context,
CoreLayerRegion **ret_region )
{
CoreLayer *layer;
CoreLayerRegion *region;
D_ASSERT( context != NULL );
D_ASSERT( ret_region != NULL );
layer = dfb_layer_at( context->layer_id );
/* Create the object. */
region = dfb_core_create_layer_region( layer->core );
if (!region)
return DFB_FUSION;
/* Link the context into the structure. */
if (dfb_layer_context_link( ®ion->context, context )) {
fusion_object_destroy( ®ion->object );
return DFB_FUSION;
}
/* Initialize the lock. */
if (fusion_skirmish_init( ®ion->lock, "Layer Region", dfb_core_world(layer->core) )) {
dfb_layer_context_unlink( ®ion->context );
fusion_object_destroy( ®ion->object );
return DFB_FUSION;
}
/* Change global reaction lock. */
fusion_object_set_lock( ®ion->object, ®ion->lock );
region->state = CLRSF_FROZEN;
/* Activate the object. */
fusion_object_activate( ®ion->object );
/* Add the region to the context. */
dfb_layer_context_add_region( context, region );
/* Return the new region. */
*ret_region = region;
return DFB_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;
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;
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 );
surface->config.caps = config->caps;
}
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) );
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->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_init( &surface->lock, buf, dfb_core_world(core) );
fusion_object_set_lock( &surface->object, &surface->lock );
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 Surface Buffers. */
for (i=0; i<buffers; i++) {
CoreSurfaceBuffer *buffer;
ret = dfb_surface_buffer_new( surface, CSBF_NONE, &buffer );
if (ret) {
D_DERROR( ret, "Core/Surface: Error creating surface buffer!\n" );
goto error;
}
surface->buffers[surface->num_buffers++] = buffer;
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;
}
}
fusion_object_activate( &surface->object );
*ret_surface = surface;
return DFB_OK;
error:
D_MAGIC_CLEAR( surface );
for (i=0; i<MAX_SURFACE_BUFFERS; i++) {
if (surface->buffers[i])
dfb_surface_buffer_destroy( surface->buffers[i] );
}
fusion_skirmish_destroy( &surface->lock );
direct_serial_deinit( &surface->serial );
fusion_object_destroy( &surface->object );
return ret;
}
