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/* -*- 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 "InProcessCompositorSession.h"
#include "mozilla/gfx/GPUProcessManager.h"
#include "mozilla/layers/CompositorBridgeChild.h"
#include "mozilla/layers/CompositorBridgeParent.h"
#include "mozilla/layers/CompositorManagerChild.h"
#include "mozilla/layers/CompositorManagerParent.h"
#include "mozilla/layers/IAPZCTreeManager.h"
#include "mozilla/widget/CompositorWidget.h"
#include "mozilla/widget/PlatformWidgetTypes.h"
#include "nsBaseWidget.h"
namespace mozilla {
namespace layers {
InProcessCompositorSession::InProcessCompositorSession(
nsBaseWidget* aWidget, widget::CompositorWidget* aCompositorWidget,
CompositorBridgeChild* aChild, CompositorBridgeParent* aParent)
: CompositorSession(aWidget, aCompositorWidget->AsDelegate(), aChild,
aParent->RootLayerTreeId()),
mCompositorBridgeParent(aParent),
mCompositorWidget(aCompositorWidget) {
gfx::GPUProcessManager::Get()->RegisterInProcessSession(this);
}
/* static */
RefPtr<InProcessCompositorSession> InProcessCompositorSession::Create(
nsBaseWidget* aWidget, WebRenderLayerManager* aLayerManager,
const LayersId& aRootLayerTreeId, CSSToLayoutDeviceScale aScale,
const CompositorOptions& aOptions, bool aUseExternalSurfaceSize,
const gfx::IntSize& aSurfaceSize, uint32_t aNamespace,
uint64_t aInnerWindowId) {
widget::CompositorWidgetInitData initData;
aWidget->GetCompositorWidgetInitData(&initData);
RefPtr<CompositorWidget> widget =
CompositorWidget::CreateLocal(initData, aOptions, aWidget);
RefPtr<CompositorBridgeParent> parent =
CompositorManagerParent::CreateSameProcessWidgetCompositorBridge(
aScale, aOptions, aUseExternalSurfaceSize, aSurfaceSize,
aInnerWindowId);
MOZ_ASSERT(parent);
parent->InitSameProcess(widget, aRootLayerTreeId);
RefPtr<CompositorBridgeChild> child =
CompositorManagerChild::CreateSameProcessWidgetCompositorBridge(
aLayerManager, aNamespace);
MOZ_ASSERT(child);
if (!child) {
gfxCriticalNote << "Failed to create CompositorBridgeChild";
return nullptr;
}
return new InProcessCompositorSession(aWidget, widget, child, parent);
}
void InProcessCompositorSession::NotifySessionLost() {
// Hold a reference to mWidget since NotifyCompositorSessionLost may
// release the last reference mid-execution.
RefPtr<nsBaseWidget> widget(mWidget);
widget->NotifyCompositorSessionLost(this);
}
CompositorBridgeParent* InProcessCompositorSession::GetInProcessBridge() const {
return mCompositorBridgeParent;
}
void InProcessCompositorSession::SetContentController(
GeckoContentController* aController) {
mCompositorBridgeParent->SetControllerForLayerTree(mRootLayerTreeId,
aController);
}
RefPtr<IAPZCTreeManager> InProcessCompositorSession::GetAPZCTreeManager()
const {
return mCompositorBridgeParent->GetAPZCTreeManager(mRootLayerTreeId);
}
nsIWidget* InProcessCompositorSession::GetWidget() const { return mWidget; }
void InProcessCompositorSession::Shutdown() {
// Destroy will synchronously wait for the parent to acknowledge shutdown,
// at which point CBP will defer a Release on the compositor thread. We
// can safely release our reference now, and let the destructor run on either
// thread.
#if defined(MOZ_WIDGET_ANDROID)
if (mUiCompositorControllerChild) {
mUiCompositorControllerChild->Destroy();
mUiCompositorControllerChild = nullptr;
}
#endif // defined(MOZ_WIDGET_ANDROID)
if (mCompositorBridgeChild) {
mCompositorBridgeChild->Destroy();
mCompositorBridgeChild = nullptr;
}
mCompositorBridgeParent = nullptr;
mCompositorWidget = nullptr;
gfx::GPUProcessManager::Get()->UnregisterInProcessSession(this);
}
} // namespace layers
} // namespace mozilla
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