mirror of
https://github.com/mozilla/gecko-dev.git
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99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RemoteCompositorSession.h"
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#include "gfxPlatform.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "mozilla/gfx/GPUProcessManager.h"
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#include "mozilla/layers/APZChild.h"
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#include "mozilla/layers/APZCTreeManagerChild.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/layers/GeckoContentController.h"
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#include "mozilla/Unused.h"
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#include "nsBaseWidget.h"
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#if defined(MOZ_WIDGET_ANDROID)
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# include "mozilla/layers/UiCompositorControllerChild.h"
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#endif // defined(MOZ_WIDGET_ANDROID)
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namespace mozilla {
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namespace layers {
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using namespace gfx;
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using namespace widget;
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RemoteCompositorSession::RemoteCompositorSession(
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nsBaseWidget* aWidget, CompositorBridgeChild* aChild,
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CompositorWidgetDelegate* aWidgetDelegate, APZCTreeManagerChild* aAPZ,
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const LayersId& aRootLayerTreeId)
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: CompositorSession(aWidget, aWidgetDelegate, aChild, aRootLayerTreeId),
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mAPZ(aAPZ) {
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MOZ_ASSERT(!gfxPlatform::IsHeadless());
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GPUProcessManager::Get()->RegisterRemoteProcessSession(this);
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if (mAPZ) {
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mAPZ->SetCompositorSession(this);
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}
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}
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RemoteCompositorSession::~RemoteCompositorSession() {
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// This should have been shutdown first.
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MOZ_ASSERT(!mCompositorBridgeChild);
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#if defined(MOZ_WIDGET_ANDROID)
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MOZ_ASSERT(!mUiCompositorControllerChild);
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#endif // defined(MOZ_WIDGET_ANDROID)
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}
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void RemoteCompositorSession::NotifySessionLost() {
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// Re-entrancy should be impossible: when we are being notified of a lost
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// session, we have by definition not shut down yet. We will shutdown, but
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// then will be removed from the notification list.
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mWidget->NotifyCompositorSessionLost(this);
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}
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CompositorBridgeParent* RemoteCompositorSession::GetInProcessBridge() const {
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return nullptr;
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}
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void RemoteCompositorSession::SetContentController(
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GeckoContentController* aController) {
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mContentController = aController;
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mCompositorBridgeChild->SendPAPZConstructor(new APZChild(aController),
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LayersId{0});
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}
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GeckoContentController* RemoteCompositorSession::GetContentController() {
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return mContentController.get();
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}
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nsIWidget* RemoteCompositorSession::GetWidget() const { return mWidget; }
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RefPtr<IAPZCTreeManager> RemoteCompositorSession::GetAPZCTreeManager() const {
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return mAPZ;
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}
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void RemoteCompositorSession::Shutdown() {
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mContentController = nullptr;
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if (mAPZ) {
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mAPZ->SetCompositorSession(nullptr);
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mAPZ->Destroy();
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}
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if (mCompositorBridgeChild) {
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mCompositorBridgeChild->Destroy();
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mCompositorBridgeChild = nullptr;
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}
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mCompositorWidgetDelegate = nullptr;
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mWidget = nullptr;
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#if defined(MOZ_WIDGET_ANDROID)
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if (mUiCompositorControllerChild) {
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mUiCompositorControllerChild->Destroy();
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mUiCompositorControllerChild = nullptr;
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}
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#endif // defined(MOZ_WIDGET_ANDROID)
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GPUProcessManager::Get()->UnregisterRemoteProcessSession(this);
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}
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} // namespace layers
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} // namespace mozilla
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