116 lines
2.5 KiB
C++
116 lines
2.5 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=99: */
|
|
/* 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 "PaintThread.h"
|
|
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/SyncRunnable.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
using namespace gfx;
|
|
|
|
StaticAutoPtr<PaintThread> PaintThread::sSingleton;
|
|
|
|
void
|
|
PaintThread::Release()
|
|
{
|
|
}
|
|
|
|
void
|
|
PaintThread::AddRef()
|
|
{
|
|
}
|
|
|
|
void
|
|
PaintThread::InitOnPaintThread()
|
|
{
|
|
MOZ_ASSERT(!NS_IsMainThread());
|
|
mThreadId = PlatformThread::CurrentId();
|
|
}
|
|
|
|
bool
|
|
PaintThread::Init()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsresult rv = NS_NewNamedThread("PaintThread", getter_AddRefs(mThread));
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIRunnable> paintInitTask =
|
|
NewRunnableMethod(this, &PaintThread::InitOnPaintThread);
|
|
|
|
SyncRunnable::DispatchToThread(PaintThread::sSingleton->mThread, paintInitTask);
|
|
return true;
|
|
}
|
|
|
|
/* static */ void
|
|
PaintThread::Start()
|
|
{
|
|
PaintThread::sSingleton = new PaintThread();
|
|
|
|
if (!PaintThread::sSingleton->Init()) {
|
|
gfxCriticalNote << "Unable to start paint thread";
|
|
PaintThread::sSingleton = nullptr;
|
|
}
|
|
}
|
|
|
|
/* static */ PaintThread*
|
|
PaintThread::Get()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
return PaintThread::sSingleton.get();
|
|
}
|
|
|
|
/* static */ void
|
|
PaintThread::Shutdown()
|
|
{
|
|
if (!PaintThread::sSingleton) {
|
|
return;
|
|
}
|
|
|
|
PaintThread::sSingleton->ShutdownImpl();
|
|
PaintThread::sSingleton = nullptr;
|
|
}
|
|
|
|
void
|
|
PaintThread::ShutdownImpl()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
PaintThread::sSingleton->mThread->AsyncShutdown();
|
|
}
|
|
|
|
bool
|
|
PaintThread::IsOnPaintThread()
|
|
{
|
|
MOZ_ASSERT(mThread);
|
|
return PlatformThread::CurrentId() == mThreadId;
|
|
}
|
|
|
|
void
|
|
PaintThread::PaintContents(DrawTargetCapture* aCapture,
|
|
DrawTarget* aTarget)
|
|
{
|
|
if (!IsOnPaintThread()) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
nsCOMPtr<nsIRunnable> paintTask =
|
|
NewRunnableMethod<DrawTargetCapture*, DrawTarget*>(this,
|
|
&PaintThread::PaintContents,
|
|
aCapture, aTarget);
|
|
|
|
SyncRunnable::DispatchToThread(mThread, paintTask);
|
|
return;
|
|
}
|
|
|
|
// Draw all the things into the actual dest target.
|
|
aTarget->DrawCapturedDT(aCapture, Matrix());
|
|
}
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|