зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
4.8 KiB
C++
132 строки
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/EventQueue.h"
|
|
|
|
#include "GeckoProfiler.h"
|
|
#include "InputTaskManager.h"
|
|
#include "VsyncTaskManager.h"
|
|
#include "nsIRunnable.h"
|
|
#include "TaskController.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::detail;
|
|
|
|
template <size_t ItemsPerPage>
|
|
void EventQueueInternal<ItemsPerPage>::PutEvent(
|
|
already_AddRefed<nsIRunnable>&& aEvent, EventQueuePriority aPriority,
|
|
const MutexAutoLock& aProofOfLock, mozilla::TimeDuration* aDelay) {
|
|
nsCOMPtr<nsIRunnable> event(aEvent);
|
|
|
|
static_assert(static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_IDLE) ==
|
|
static_cast<uint32_t>(EventQueuePriority::Idle));
|
|
static_assert(static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_NORMAL) ==
|
|
static_cast<uint32_t>(EventQueuePriority::Normal));
|
|
static_assert(
|
|
static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_MEDIUMHIGH) ==
|
|
static_cast<uint32_t>(EventQueuePriority::MediumHigh));
|
|
static_assert(
|
|
static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_INPUT_HIGH) ==
|
|
static_cast<uint32_t>(EventQueuePriority::InputHigh));
|
|
static_assert(static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_VSYNC) ==
|
|
static_cast<uint32_t>(EventQueuePriority::Vsync));
|
|
static_assert(
|
|
static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_RENDER_BLOCKING) ==
|
|
static_cast<uint32_t>(EventQueuePriority::RenderBlocking));
|
|
static_assert(static_cast<uint32_t>(nsIRunnablePriority::PRIORITY_CONTROL) ==
|
|
static_cast<uint32_t>(EventQueuePriority::Control));
|
|
|
|
if (mForwardToTC) {
|
|
TaskController* tc = TaskController::Get();
|
|
|
|
TaskManager* manager = nullptr;
|
|
if (aPriority == EventQueuePriority::InputHigh) {
|
|
manager = InputTaskManager::Get();
|
|
} else if (aPriority == EventQueuePriority::DeferredTimers ||
|
|
aPriority == EventQueuePriority::Idle) {
|
|
manager = TaskController::Get()->GetIdleTaskManager();
|
|
} else if (aPriority == EventQueuePriority::Vsync) {
|
|
manager = VsyncTaskManager::Get();
|
|
}
|
|
|
|
tc->DispatchRunnable(event.forget(), static_cast<uint32_t>(aPriority),
|
|
manager);
|
|
return;
|
|
}
|
|
|
|
if (profiler_thread_is_being_profiled(ThreadProfilingFeatures::Sampling)) {
|
|
// check to see if the profiler has been enabled since the last PutEvent
|
|
while (mDispatchTimes.Count() < mQueue.Count()) {
|
|
mDispatchTimes.Push(TimeStamp());
|
|
}
|
|
mDispatchTimes.Push(aDelay ? TimeStamp::Now() - *aDelay : TimeStamp::Now());
|
|
}
|
|
|
|
mQueue.Push(std::move(event));
|
|
}
|
|
|
|
template <size_t ItemsPerPage>
|
|
already_AddRefed<nsIRunnable> EventQueueInternal<ItemsPerPage>::GetEvent(
|
|
const MutexAutoLock& aProofOfLock, mozilla::TimeDuration* aLastEventDelay) {
|
|
if (mQueue.IsEmpty()) {
|
|
if (aLastEventDelay) {
|
|
*aLastEventDelay = TimeDuration();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
// We always want to clear the dispatch times, even if the profiler is turned
|
|
// off, because we want to empty the (previously-collected) dispatch times, if
|
|
// any, from when the profiler was turned on. We only want to do something
|
|
// interesting with the dispatch times if the profiler is turned on, though.
|
|
if (!mDispatchTimes.IsEmpty()) {
|
|
TimeStamp dispatch_time = mDispatchTimes.Pop();
|
|
if (profiler_is_active()) {
|
|
if (!dispatch_time.IsNull()) {
|
|
if (aLastEventDelay) {
|
|
*aLastEventDelay = TimeStamp::Now() - dispatch_time;
|
|
}
|
|
}
|
|
}
|
|
} else if (profiler_is_active()) {
|
|
if (aLastEventDelay) {
|
|
// if we just turned on the profiler, we don't have dispatch
|
|
// times for events already in the queue.
|
|
*aLastEventDelay = TimeDuration();
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIRunnable> result = mQueue.Pop();
|
|
return result.forget();
|
|
}
|
|
|
|
template <size_t ItemsPerPage>
|
|
bool EventQueueInternal<ItemsPerPage>::IsEmpty(
|
|
const MutexAutoLock& aProofOfLock) {
|
|
return mQueue.IsEmpty();
|
|
}
|
|
|
|
template <size_t ItemsPerPage>
|
|
bool EventQueueInternal<ItemsPerPage>::HasReadyEvent(
|
|
const MutexAutoLock& aProofOfLock) {
|
|
return !IsEmpty(aProofOfLock);
|
|
}
|
|
|
|
template <size_t ItemsPerPage>
|
|
size_t EventQueueInternal<ItemsPerPage>::Count(
|
|
const MutexAutoLock& aProofOfLock) const {
|
|
return mQueue.Count();
|
|
}
|
|
|
|
namespace mozilla {
|
|
template class EventQueueSized<16>; // Used by ThreadEventQueue
|
|
template class EventQueueSized<64>; // Used by ThrottledEventQueue
|
|
namespace detail {
|
|
template class EventQueueInternal<16>; // Used by ThreadEventQueue
|
|
template class EventQueueInternal<64>; // Used by ThrottledEventQueue
|
|
} // namespace detail
|
|
} // namespace mozilla
|