static void
CheckSetDisplayMode(_THIS, SDL_VideoDisplay * display, DFB_DisplayData * data, SDL_DisplayMode * mode)
{
SDL_DFB_DEVICEDATA(_this);
DFBDisplayLayerConfig config;
DFBDisplayLayerConfigFlags failed;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
config.width = mode->w;
config.height = mode->h;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
failed = 0;
data->layer->TestConfiguration(data->layer, &config, &failed);
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_SHARED));
if (failed == 0)
{
SDL_AddDisplayMode(display, mode);
SDL_DFB_LOG("Mode %d x %d Added\n", mode->w, mode->h);
}
else
SDL_DFB_ERR("Mode %d x %d not available: %x\n", mode->w,
mode->h, failed);
return;
error:
return;
}
static void
DirectFB_GL_UnloadLibrary(_THIS)
{
int ret;
if (_this->gl_config.driver_loaded) {
ret = GL_UnloadObject(_this->gl_config.dll_handle);
if (ret)
SDL_DFB_ERR("Error #%d trying to unload library.\n", ret);
_this->gl_config.dll_handle = NULL;
_this->gl_config.driver_loaded = 0;
}
}
int
DirectFB_GL_LoadLibrary(_THIS, const char *path)
{
SDL_DFB_DEVICEDATA(_this);
void *handle = NULL;
SDL_DFB_DEBUG("Loadlibrary : %s\n", path);
if (_this->gl_data->gl_active) {
SDL_SetError("OpenGL context already created");
return -1;
}
if (path == NULL) {
path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
if (path == NULL) {
path = "libGL.so";
}
}
handle = GL_LoadObject(path);
if (handle == NULL) {
SDL_DFB_ERR("Library not found: %s\n", path);
/* SDL_LoadObject() will call SDL_SetError() for us. */
return -1;
}
SDL_DFB_DEBUG("Loaded library: %s\n", path);
/* Unload the old driver and reset the pointers */
DirectFB_GL_UnloadLibrary(_this);
_this->gl_config.dll_handle = handle;
_this->gl_config.driver_loaded = 1;
if (path) {
SDL_strlcpy(_this->gl_config.driver_path, path,
SDL_arraysize(_this->gl_config.driver_path));
} else {
*_this->gl_config.driver_path = '\0';
}
devdata->glFinish = DirectFB_GL_GetProcAddress(_this, "glFinish");
devdata->glFlush = DirectFB_GL_GetProcAddress(_this, "glFlush");
return 0;
}
static void
DirectFB_GL_UnloadLibrary(_THIS)
{
#if 0
int ret;
if (_this->gl_config.driver_loaded) {
ret = GL_UnloadObject(_this->gl_config.dll_handle);
if (ret)
SDL_DFB_ERR("Error #%d trying to unload library.\n", ret);
_this->gl_config.dll_handle = NULL;
_this->gl_config.driver_loaded = 0;
}
#endif
/* Free OpenGL memory */
SDL_free(_this->gl_data);
_this->gl_data = NULL;
}
int
DirectFB_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
{
/*
* FIXME: video mode switch is currently broken for 1.2.0
*
*/
SDL_DFB_DEVICEDATA(_this);
DFB_DisplayData *data = (DFB_DisplayData *) display->driverdata;
DFBDisplayLayerConfig config, rconfig;
DFBDisplayLayerConfigFlags fail = 0;
SDL_DFB_CHECKERR(data->layer->SetCooperativeLevel(data->layer,
DLSCL_ADMINISTRATIVE));
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &config));
config.flags = DLCONF_WIDTH | DLCONF_HEIGHT;
if (mode->format != SDL_PIXELFORMAT_UNKNOWN) {
config.flags |= DLCONF_PIXELFORMAT;
config.pixelformat = DirectFB_SDLToDFBPixelFormat(mode->format);
data->pixelformat = config.pixelformat;
}
config.width = mode->w;
config.height = mode->h;
if (devdata->use_yuv_underlays) {
config.flags |= DLCONF_OPTIONS;
config.options = DLOP_ALPHACHANNEL;
}
data->layer->TestConfiguration(data->layer, &config, &fail);
if (fail &
(DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
DLCONF_OPTIONS)) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
config.flags &= ~fail;
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#if (DFB_VERSION_ATLEAST(1,2,0))
/* Need to call this twice ! */
SDL_DFB_CHECKERR(data->layer->SetConfiguration(data->layer, &config));
#endif
/* Double check */
SDL_DFB_CHECKERR(data->layer->GetConfiguration(data->layer, &rconfig));
SDL_DFB_CHECKERR(data->
layer->SetCooperativeLevel(data->layer, DLSCL_SHARED));
if ((config.width != rconfig.width) || (config.height != rconfig.height)
|| ((mode->format != SDL_PIXELFORMAT_UNKNOWN)
&& (config.pixelformat != rconfig.pixelformat))) {
SDL_DFB_ERR("Error setting mode %dx%d-%x\n", mode->w, mode->h,
mode->format);
return -1;
}
data->pixelformat = rconfig.pixelformat;
data->cw = config.width;
data->ch = config.height;
display->current_mode = *mode;
return 0;
error:
return -1;
}
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;
}
