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-rw-r--r--gfx/ipc/InProcessCompositorSession.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/gfx/ipc/InProcessCompositorSession.cpp b/gfx/ipc/InProcessCompositorSession.cpp
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+++ b/gfx/ipc/InProcessCompositorSession.cpp
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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