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fl_task_runner.h File Reference

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Functions

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE (FlTaskRunner, fl_task_runner, FL, TASK_RUNNER, GObject)
 
FlTaskRunner * fl_task_runner_new (FlEngine *engine)
 
void fl_task_runner_post_flutter_task (FlTaskRunner *task_runner, FlutterTask task, uint64_t target_time_nanos)
 
void fl_task_runner_wait (FlTaskRunner *task_runner)
 
void fl_task_runner_stop_wait (FlTaskRunner *self)
 

Function Documentation

◆ fl_task_runner_new()

FlTaskRunner * fl_task_runner_new ( FlEngine *  engine)

fl_task_runner_new: @engine: the #FlEngine owning the task runner.

Creates new task runner instance.

Returns: an #FlTaskRunner.

Definition at line 147 of file fl_task_runner.cc.

147 {
148 FlTaskRunner* self =
149 FL_TASK_RUNNER(g_object_new(fl_task_runner_get_type(), nullptr));
150 g_weak_ref_init(&self->engine, G_OBJECT(engine));
151 return self;
152}
FlutterEngine engine
Definition main.cc:84

References engine, and self.

Referenced by fl_engine_init(), TEST(), TEST(), TEST(), TEST(), TEST(), TEST(), TEST(), TEST(), and TEST().

◆ fl_task_runner_post_flutter_task()

void fl_task_runner_post_flutter_task ( FlTaskRunner *  task_runner,
FlutterTask  task,
uint64_t  target_time_nanos 
)

fl_task_runner_post_flutter_task: @task_runner: an #FlTaskRunner. @task: Flutter task being scheduled @target_time_nanos: absolute time in nanoseconds

Posts a Flutter task to be executed on main thread. This function is thread safe and may be called from any thread.

Definition at line 154 of file fl_task_runner.cc.

156 {
157 g_autoptr(GMutexLocker) locker = g_mutex_locker_new(&self->mutex);
158 (void)locker; // unused variable
159
160 FlTaskRunnerTask* runner_task = g_new0(FlTaskRunnerTask, 1);
161 runner_task->task = task;
162 runner_task->task_time_micros =
163 target_time_nanos / kMicrosecondsPerNanosecond;
164
165 self->pending_tasks = g_list_append(self->pending_tasks, runner_task);
167
168 // Tasks changed, so wake up anything blocking in fl_task_runner_wait.
169 g_cond_signal(&self->cond);
170}
g_autoptr(GMutexLocker) locker
static void fl_task_runner_tasks_did_change_locked(FlTaskRunner *self)
static constexpr int kMicrosecondsPerNanosecond

References fl_task_runner_tasks_did_change_locked(), g_autoptr(), kMicrosecondsPerNanosecond, self, _FlTaskRunnerTask::task, and _FlTaskRunnerTask::task_time_micros.

Referenced by fl_engine_post_task().

◆ fl_task_runner_stop_wait()

void fl_task_runner_stop_wait ( FlTaskRunner *  self)

fl_task_runner_stop_wait: @task_runner: an #FlTaskRunner.

Cause fl_task_runner_wait() to complete. May be called even if fl_task_runner_wait() is not being used.

May be called by any thread.

Definition at line 182 of file fl_task_runner.cc.

182 {
183 g_cond_signal(&self->cond);
184}

References self.

◆ fl_task_runner_wait()

void fl_task_runner_wait ( FlTaskRunner *  task_runner)

fl_task_runner_wait: @task_runner: an #FlTaskRunner.

Block until the next task is ready and then perform it. May be interrupted by fl_task_runner_stop_wait(), in which case no task is run but execution will be returned to the caller.

Must be called only by the GTK thread.

Definition at line 172 of file fl_task_runner.cc.

172 {
173 g_autoptr(GMutexLocker) locker = g_mutex_locker_new(&self->mutex);
174 (void)locker; // unused variable
175
176 g_cond_wait_until(&self->cond, &self->mutex,
180}
static void fl_task_runner_process_expired_tasks_locked(FlTaskRunner *self)
static gint64 fl_task_runner_next_task_expiration_time_locked(FlTaskRunner *self)

References fl_task_runner_next_task_expiration_time_locked(), fl_task_runner_process_expired_tasks_locked(), fl_task_runner_tasks_did_change_locked(), g_autoptr(), and self.

Referenced by fl_compositor_opengl_render(), and fl_compositor_software_render().

◆ G_DECLARE_FINAL_TYPE()

G_BEGIN_DECLS G_DECLARE_FINAL_TYPE ( FlTaskRunner  ,
fl_task_runner  ,
FL  ,
TASK_RUNNER  ,
GObject   
)