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Add a CLUTTER_PAINT debug option to enable continous redrawing

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When testing the performance of an application, it's often useful to
force it to continuously redraw instead of going idle to help measure
the frame rate. This just adds a CLUTTER_PAINT=continuous-redraw which
causes the master clock to queue a redraw on all of the stages
just before it prepares its source.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
Reviewed-by: Emmanuele Bassi <ebassi@linux.intel.com>
This commit is contained in:
Neil Roberts 2011-09-23 15:12:44 +01:00
parent e08df14d42
commit f8d808f140
3 changed files with 18 additions and 2 deletions
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3
clutter/clutter-debug.h
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@ -41,7 +41,8 @@ typedef enum {
CLUTTER_DEBUG_REDRAWS = 1 << 2, CLUTTER_DEBUG_REDRAWS = 1 << 2,
CLUTTER_DEBUG_PAINT_VOLUMES = 1 << 3, CLUTTER_DEBUG_PAINT_VOLUMES = 1 << 3,
CLUTTER_DEBUG_DISABLE_CULLING = 1 << 4, CLUTTER_DEBUG_DISABLE_CULLING = 1 << 4,
CLUTTER_DEBUG_DISABLE_OFFSCREEN_REDIRECT = 1 << 5 CLUTTER_DEBUG_DISABLE_OFFSCREEN_REDIRECT = 1 << 5,
CLUTTER_DEBUG_CONTINUOUS_REDRAW = 1 << 6
} ClutterDrawDebugFlag; } ClutterDrawDebugFlag;
#ifdef CLUTTER_ENABLE_DEBUG #ifdef CLUTTER_ENABLE_DEBUG

3
clutter/clutter-main.c
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@ -183,7 +183,8 @@ static const GDebugKey clutter_paint_debug_keys[] = {
{ "redraws", CLUTTER_DEBUG_REDRAWS }, { "redraws", CLUTTER_DEBUG_REDRAWS },
{ "paint-volumes", CLUTTER_DEBUG_PAINT_VOLUMES }, { "paint-volumes", CLUTTER_DEBUG_PAINT_VOLUMES },
{ "disable-culling", CLUTTER_DEBUG_DISABLE_CULLING }, { "disable-culling", CLUTTER_DEBUG_DISABLE_CULLING },
{ "disable-offscreen-redirect", CLUTTER_DEBUG_DISABLE_OFFSCREEN_REDIRECT } { "disable-offscreen-redirect", CLUTTER_DEBUG_DISABLE_OFFSCREEN_REDIRECT },
{ "continuous-redraw", CLUTTER_DEBUG_CONTINUOUS_REDRAW }
}; };
#ifdef CLUTTER_ENABLE_PROFILE #ifdef CLUTTER_ENABLE_PROFILE

14
clutter/clutter-master-clock.c
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@ -277,6 +277,20 @@ clutter_clock_prepare (GSource *source,
int delay; int delay;
clutter_threads_enter (); clutter_threads_enter ();
if (G_UNLIKELY (clutter_paint_debug_flags &
CLUTTER_DEBUG_CONTINUOUS_REDRAW))
{
ClutterStageManager *stage_manager = clutter_stage_manager_get_default ();
const GSList *stages, *l;
stages = clutter_stage_manager_peek_stages (stage_manager);
/* Queue a full redraw on all of the stages */
for (l = stages; l != NULL; l = l->next)
clutter_actor_queue_redraw (l->data);
}
delay = master_clock_next_frame_delay (master_clock); delay = master_clock_next_frame_delay (master_clock);
clutter_threads_leave (); clutter_threads_leave ();