gwj / at91sam9263 · Commits

Commit f442e08b418785e13b1161edfa9e0c72cc324c41

Authored by aurel32
1 parent 4c44bdcb

Slowdown SDL while minimized 

When SDL is invisible/minimized, there is no need to keep calling the
VGA refresh 33 times per second.  This patch reduces in that case the
rate to 2 times per second, which should be responsive enough for the
un-minimizing event.

(Samuel Thibault)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4050 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 3 changed files with 15 additions and 1 deletions
console.h
  View file @f442e08
... ... @@ -71,6 +71,7 @@ struct DisplayState {
71 71 int height;
72 72 void *opaque;
73 73 struct QEMUTimer *gui_timer;
  74 + uint64_t gui_timer_interval;
74 75  
75 76 void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
76 77 void (*dpy_resize)(struct DisplayState *s, int w, int h);
... ...
... ... @@ -510,6 +510,15 @@ static void sdl_refresh(DisplayState *ds)
510 510 !ev->active.gain && !gui_fullscreen_initial_grab) {
511 511 sdl_grab_end();
512 512 }
  513 + if (ev->active.state & SDL_APPACTIVE) {
  514 + if (ev->active.gain) {
  515 + /* Back to default interval */
  516 + ds->gui_timer_interval = 0;
  517 + } else {
  518 + /* Sleeping interval */
  519 + ds->gui_timer_interval = 500;
  520 + }
  521 + }
513 522 break;
514 523 default:
515 524 break;
... ...
... ... @@ -7208,7 +7208,11 @@ static void gui_update(void *opaque)
7208 7208 {
7209 7209 DisplayState *ds = opaque;
7210 7210 ds->dpy_refresh(ds);
7211   - qemu_mod_timer(ds->gui_timer, GUI_REFRESH_INTERVAL + qemu_get_clock(rt_clock));
  7211 + qemu_mod_timer(ds->gui_timer,
  7212 + (ds->gui_timer_interval ?
  7213 + ds->gui_timer_interval :
  7214 + GUI_REFRESH_INTERVAL)
  7215 + + qemu_get_clock(rt_clock));
7212 7216 }
7213 7217  
7214 7218 struct vm_change_state_entry {
... ...