/**
* This idle function allows progressive scanning of visibility etc
*/
bool
GlueMapWindow::Idle()
{
bool still_dirty;
bool topography_dirty = true; /* scan topography in every Idle() call */
bool terrain_dirty = true;
bool weather_dirty = true;
// StartTimer();
do {
idle_robin = (idle_robin + 1) % 3;
switch (idle_robin) {
case 0:
topography_dirty = UpdateTopography(1) > 0;
break;
case 1:
terrain_dirty = UpdateTerrain();
break;
case 2:
weather_dirty = UpdateWeather();
break;
}
still_dirty = terrain_dirty || topography_dirty || weather_dirty;
} while (RenderTimeAvailable() &&
#ifndef ENABLE_OPENGL
!draw_thread->IsTriggered() &&
#endif
still_dirty);
return still_dirty;
}
/**
* This idle function allows progressive scanning of visibility etc
*/
bool
GlueMapWindow::Idle()
{
if (!render_projection.IsValid())
return false;
if (idle_robin == unsigned(-1)) {
/* draw the first frame as quickly as possible, so the user can
start interacting with XCSoar immediately */
idle_robin = 2;
return true;
}
if (!IsUserIdle(2500))
/* don't hold back the UI thread while the user is interacting */
return true;
PeriodClock clock;
clock.Update();
bool still_dirty;
bool topography_dirty = true; /* scan topography in every Idle() call */
bool terrain_dirty = true;
bool weather_dirty = true;
do {
idle_robin = (idle_robin + 1) % 3;
switch (idle_robin) {
case 0:
topography_dirty = UpdateTopography(1) > 0;
break;
case 1:
terrain_dirty = UpdateTerrain();
break;
case 2:
weather_dirty = UpdateWeather();
break;
}
still_dirty = terrain_dirty || topography_dirty || weather_dirty;
} while (!clock.Check(700) && /* stop after 700ms */
#ifndef ENABLE_OPENGL
!draw_thread->IsTriggered() &&
#endif
IsUserIdle(2500) &&
still_dirty);
return still_dirty;
}
void UpdateAll() {
UpdateTopography();
UpdateTerrain();
UpdateWeather();
}