DFBResult
IScreen_Real__GetScreenSize(
CoreScreen *obj,
DFBDimension *ret_size
)
{
D_DEBUG_AT( DirectFB_CoreScreen, "%s()\n", __FUNCTION__ );
D_ASSERT( ret_size != NULL );
return dfb_screen_get_screen_size( obj, &ret_size->w, &ret_size->h );
}
static DFBResult
sh_du_init_layer( CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBDisplayLayerDescription *description,
DFBDisplayLayerConfig *config,
DFBColorAdjustment *adjustment )
{
DFBResult ret;
D_DEBUG_AT( SH_DU_LAYER, "%s()\n", __FUNCTION__ );
D_UNUSED_P( driver_data );
D_UNUSED_P( layer_data );
D_UNUSED_P( adjustment );
ret = dfb_screen_get_screen_size( dfb_layer_screen( layer ),
&config->width, &config->height );
if (ret)
goto out;
config->pixelformat = DSPF_RGB16;
config->colorspace = DSCS_RGB;
config->buffermode = DLBM_BACKVIDEO;
config->options = DLOP_ALPHACHANNEL;
config->flags = DLCONF_WIDTH |
DLCONF_HEIGHT |
DLCONF_PIXELFORMAT |
DLCONF_COLORSPACE |
DLCONF_BUFFERMODE |
DLCONF_OPTIONS;
description->type = DLTF_GRAPHICS;
description->caps = DLCAPS_SURFACE |
DLCAPS_OPACITY |
DLCAPS_ALPHACHANNEL |
DLCAPS_SRC_COLORKEY |
DLCAPS_LEVELS |
DLCAPS_SCREEN_POSITION |
DLCAPS_SCREEN_SIZE;
description->level = -1;
description->regions = 1;
description->sources = 0;
description->clip_regions = 0;
description->surface_caps = DSCAPS_VIDEOONLY |
// DSCAPS_DOUBLE |
DSCAPS_SHARED;
snprintf( description->name, DFB_DISPLAY_LAYER_DESC_NAME_LENGTH,
"SH DU Layer" );
out:
return ret;
}
static DFBResult
sh_du_test_region( CoreLayer *layer,
void *driver_data,
void *layer_data,
CoreLayerRegionConfig *config,
CoreLayerRegionConfigFlags *failed )
{
CoreLayerRegionConfigFlags fail;
DFBResult result;
int w, h;
D_DEBUG_AT( SH_DU_LAYER, "%s( %u )\n",
__FUNCTION__, dfb_layer_id( layer ) );
D_UNUSED_P( driver_data );
D_UNUSED_P( layer_data );
result = dfb_screen_get_screen_size( dfb_layer_screen( layer ), &w, &h );
if (result)
return result;
fail = CLRCF_NONE;
if ((config->width < 0) || (config->width > w))
fail |= CLRCF_WIDTH;
if ((config->height < 0) || (config->height > h))
fail |= CLRCF_HEIGHT;
switch (config->format) {
case DSPF_RGB16:
case DSPF_ARGB1555:
case DSPF_LUT8:
break;
default:
fail |= CLRCF_FORMAT;
break;
}
switch (config->buffermode) {
case DLBM_FRONTONLY:
case DLBM_BACKVIDEO:
break;
default:
fail |= CLRCF_BUFFERMODE;
break;
}
if (D_FLAGS_INVALID( config->options, DLOP_ALPHACHANNEL |
DLOP_SRC_COLORKEY |
DLOP_OPACITY ))
fail |= CLRCF_OPTIONS;
if (D_FLAGS_ARE_SET( config->options, DLOP_ALPHACHANNEL | DLOP_OPACITY ))
fail |= CLRCF_OPTIONS;
if ((config->source.x < 0) ||
(config->source.y < 0) ||
(config->source.w < 0) ||
(config->source.h < 0) ||
((config->source.x + config->source.w) > config->width) ||
((config->source.y + config->source.h) > config->height))
fail |= CLRCF_SOURCE;
if ((config->dest.w != config->source.w) ||
(config->dest.h != config->source.h))
fail |= CLRCF_DEST;
if (config->colorspace != DSCS_RGB)
fail |= CLRCF_COLORSPACE;
if (config->num_clips > 0)
fail |= CLRCF_CLIPS;
if (failed)
*failed = fail;
return (fail == CLRCF_NONE) ? DFB_OK : DFB_UNSUPPORTED;
}
