static DFBEnumerationResult
screen_callback( DFBScreenID id,
DFBScreenDescription desc,
void *arg )
{
int i;
DFBResult ret;
IDirectFBScreen *screen;
ret = dfb->GetScreen( dfb, id, &screen );
if (ret)
DirectFBErrorFatal( "IDirectFB::GetScreen", ret );
/* Name */
printf( "Screen (%02x) %-30s", id, desc.name );
switch (id) {
case DSCID_PRIMARY:
printf( " (primary screen)" );
break;
default:
break;
}
printf( "\n" );
/* Caps */
printf( " Caps: " );
for (i=0; screen_caps[i].capability; i++) {
if (desc.caps & screen_caps[i].capability)
printf( "%s ", screen_caps[i].name );
}
printf( "\n\n" );
/* Mixers */
if (desc.mixers)
dump_mixers( screen, desc.mixers );
/* Encoders */
if (desc.encoders)
dump_encoders( screen, desc.encoders );
/* Outputs */
if (desc.outputs)
dump_outputs( screen, desc.outputs );
/* Display layers */
enum_display_layers( screen );
screen->Release( screen );
return DFB_OK;
}
void
DirectFB_InitModes(_THIS)
{
SDL_DFB_DEVICEDATA(_this);
IDirectFBDisplayLayer *layer = NULL;
SDL_VideoDisplay display;
DFB_DisplayData *dispdata = NULL;
SDL_DisplayMode mode;
DFBGraphicsDeviceDescription caps;
DFBDisplayLayerConfig dlc;
struct screen_callback_t *screencbdata;
int tcw[DFB_MAX_SCREENS];
int tch[DFB_MAX_SCREENS];
int i;
DFBResult ret;
SDL_DFB_ALLOC_CLEAR(screencbdata, sizeof(*screencbdata));
screencbdata->numscreens = 0;
for (i = 0; i < DFB_MAX_SCREENS; i++) {
screencbdata->gralayer[i] = -1;
screencbdata->vidlayer[i] = -1;
}
SDL_DFB_CHECKERR(devdata->dfb->EnumScreens(devdata->dfb, &EnumScreensCallback,
screencbdata));
for (i = 0; i < screencbdata->numscreens; i++) {
IDirectFBScreen *screen;
SDL_DFB_CHECKERR(devdata->dfb->GetScreen(devdata->dfb,
screencbdata->screenid
[i], &screen));
screencbdata->aux = i;
SDL_DFB_CHECKERR(screen->EnumDisplayLayers(screen, &EnumLayersCallback,
screencbdata));
screen->GetSize(screen, &tcw[i], &tch[i]);
screen->Release(screen);
}
/* Query card capabilities */
devdata->dfb->GetDeviceDescription(devdata->dfb, &caps);
for (i = 0; i < screencbdata->numscreens; i++) {
SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
screencbdata->gralayer
[i], &layer));
SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer,
DLSCL_ADMINISTRATIVE));
layer->EnableCursor(layer, 1);
SDL_DFB_CHECKERR(layer->SetCursorOpacity(layer, 0xC0));
if (devdata->use_yuv_underlays) {
dlc.flags = DLCONF_PIXELFORMAT | DLCONF_OPTIONS;
dlc.pixelformat = DSPF_ARGB;
dlc.options = DLOP_ALPHACHANNEL;
ret = layer->SetConfiguration(layer, &dlc);
if (ret != DFB_OK) {
/* try AiRGB if the previous failed */
dlc.pixelformat = DSPF_AiRGB;
SDL_DFB_CHECKERR(layer->SetConfiguration(layer, &dlc));
}
}
/* Query layer configuration to determine the current mode and pixelformat */
dlc.flags = DLCONF_ALL;
SDL_DFB_CHECKERR(layer->GetConfiguration(layer, &dlc));
mode.format = DirectFB_DFBToSDLPixelFormat(dlc.pixelformat);
if (mode.format == SDL_PIXELFORMAT_UNKNOWN) {
SDL_DFB_ERR("Unknown dfb pixelformat %x !\n", dlc.pixelformat);
goto error;
}
mode.w = dlc.width;
mode.h = dlc.height;
mode.refresh_rate = 0;
mode.driverdata = NULL;
SDL_DFB_ALLOC_CLEAR(dispdata, sizeof(*dispdata));
dispdata->layer = layer;
dispdata->pixelformat = dlc.pixelformat;
dispdata->cw = tcw[i];
dispdata->ch = tch[i];
/* YUV - Video layer */
dispdata->vidID = screencbdata->vidlayer[i];
dispdata->vidIDinuse = 0;
SDL_zero(display);
display.desktop_mode = mode;
display.current_mode = mode;
display.driverdata = dispdata;
#if (DFB_VERSION_ATLEAST(1,2,0))
dlc.flags =
DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_OPTIONS;
ret = layer->SetConfiguration(layer, &dlc);
#endif
SDL_DFB_CHECKERR(layer->SetCooperativeLevel(layer, DLSCL_SHARED));
SDL_AddVideoDisplay(&display);
}
SDL_DFB_FREE(screencbdata);
return;
error:
/* FIXME: Cleanup not complete, Free existing displays */
SDL_DFB_FREE(dispdata);
SDL_DFB_RELEASE(layer);
return;
}
