diff options
Diffstat (limited to 'gfx/layers/ipc/UiCompositorControllerChild.cpp')
| -rw-r--r-- | gfx/layers/ipc/UiCompositorControllerChild.cpp | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/gfx/layers/ipc/UiCompositorControllerChild.cpp b/gfx/layers/ipc/UiCompositorControllerChild.cpp new file mode 100644 index 0000000000..c1bf49bc27 --- /dev/null +++ b/gfx/layers/ipc/UiCompositorControllerChild.cpp @@ -0,0 +1,350 @@ +/* -*- 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/layers/UiCompositorControllerChild.h" + +#include "mozilla/dom/ContentChild.h" +#include "mozilla/layers/CompositorThread.h" +#include "mozilla/layers/SynchronousTask.h" +#include "mozilla/layers/UiCompositorControllerMessageTypes.h" +#include "mozilla/layers/UiCompositorControllerParent.h" +#include "mozilla/gfx/GPUProcessManager.h" +#include "mozilla/ipc/Endpoint.h" +#include "mozilla/StaticPtr.h" +#include "nsBaseWidget.h" +#include "nsProxyRelease.h" +#include "nsThreadUtils.h" + +#if defined(MOZ_WIDGET_ANDROID) +# include "mozilla/widget/AndroidUiThread.h" + +static RefPtr<nsThread> GetUiThread() { return mozilla::GetAndroidUiThread(); } +#else +static RefPtr<nsThread> GetUiThread() { + MOZ_CRASH("Platform does not support UiCompositorController"); + return nullptr; +} +#endif // defined(MOZ_WIDGET_ANDROID) + +namespace mozilla { +namespace layers { + +// public: +/* static */ +RefPtr<UiCompositorControllerChild> +UiCompositorControllerChild::CreateForSameProcess( + const LayersId& aRootLayerTreeId, nsBaseWidget* aWidget) { + RefPtr<UiCompositorControllerChild> child = + new UiCompositorControllerChild(0, aWidget); + child->mParent = new UiCompositorControllerParent(aRootLayerTreeId); + GetUiThread()->Dispatch( + NewRunnableMethod( + "layers::UiCompositorControllerChild::OpenForSameProcess", child, + &UiCompositorControllerChild::OpenForSameProcess), + nsIThread::DISPATCH_NORMAL); + return child; +} + +/* static */ +RefPtr<UiCompositorControllerChild> +UiCompositorControllerChild::CreateForGPUProcess( + const uint64_t& aProcessToken, + Endpoint<PUiCompositorControllerChild>&& aEndpoint, nsBaseWidget* aWidget) { + RefPtr<UiCompositorControllerChild> child = + new UiCompositorControllerChild(aProcessToken, aWidget); + + RefPtr<nsIRunnable> task = + NewRunnableMethod<Endpoint<PUiCompositorControllerChild>&&>( + "layers::UiCompositorControllerChild::OpenForGPUProcess", child, + &UiCompositorControllerChild::OpenForGPUProcess, + std::move(aEndpoint)); + + GetUiThread()->Dispatch(task.forget(), nsIThread::DISPATCH_NORMAL); + return child; +} + +bool UiCompositorControllerChild::Pause() { + if (!mIsOpen) { + return false; + } + return SendPause(); +} + +bool UiCompositorControllerChild::Resume() { + if (!mIsOpen) { + return false; + } + bool resumed = false; + return SendResume(&resumed) && resumed; +} + +bool UiCompositorControllerChild::ResumeAndResize(const int32_t& aX, + const int32_t& aY, + const int32_t& aWidth, + const int32_t& aHeight) { + if (!mIsOpen) { + mResize = Some(gfx::IntRect(aX, aY, aWidth, aHeight)); + // Since we are caching these values, pretend the call succeeded. + return true; + } + bool resumed = false; + return SendResumeAndResize(aX, aY, aWidth, aHeight, &resumed) && resumed; +} + +bool UiCompositorControllerChild::InvalidateAndRender() { + if (!mIsOpen) { + return false; + } + return SendInvalidateAndRender(); +} + +bool UiCompositorControllerChild::SetMaxToolbarHeight(const int32_t& aHeight) { + if (!mIsOpen) { + mMaxToolbarHeight = Some(aHeight); + // Since we are caching this value, pretend the call succeeded. + return true; + } + return SendMaxToolbarHeight(aHeight); +} + +bool UiCompositorControllerChild::SetFixedBottomOffset(int32_t aOffset) { + return SendFixedBottomOffset(aOffset); +} + +bool UiCompositorControllerChild::ToolbarAnimatorMessageFromUI( + const int32_t& aMessage) { + if (!mIsOpen) { + return false; + } + + if (aMessage == IS_COMPOSITOR_CONTROLLER_OPEN) { + RecvToolbarAnimatorMessageFromCompositor(COMPOSITOR_CONTROLLER_OPEN); + } + + return true; +} + +bool UiCompositorControllerChild::SetDefaultClearColor(const uint32_t& aColor) { + if (!mIsOpen) { + mDefaultClearColor = Some(aColor); + // Since we are caching this value, pretend the call succeeded. + return true; + } + + return SendDefaultClearColor(aColor); +} + +bool UiCompositorControllerChild::RequestScreenPixels() { + if (!mIsOpen) { + return false; + } + + return SendRequestScreenPixels(); +} + +bool UiCompositorControllerChild::EnableLayerUpdateNotifications( + const bool& aEnable) { + if (!mIsOpen) { + mLayerUpdateEnabled = Some(aEnable); + // Since we are caching this value, pretend the call succeeded. + return true; + } + + return SendEnableLayerUpdateNotifications(aEnable); +} + +void UiCompositorControllerChild::Destroy() { + MOZ_ASSERT(NS_IsMainThread()); + + layers::SynchronousTask task("UiCompositorControllerChild::Destroy"); + GetUiThread()->Dispatch(NS_NewRunnableFunction( + "layers::UiCompositorControllerChild::Destroy", [&]() { + MOZ_ASSERT(GetUiThread()->IsOnCurrentThread()); + AutoCompleteTask complete(&task); + + // Clear the process token so that we don't notify the GPUProcessManager + // about an abnormal shutdown, thereby tearing down the GPU process. + mProcessToken = 0; + + if (mWidget) { + // Dispatch mWidget to main thread to prevent it from being destructed + // by the ui thread. + RefPtr<nsIWidget> widget = std::move(mWidget); + NS_ReleaseOnMainThread("UiCompositorControllerChild::mWidget", + widget.forget()); + } + + if (mIsOpen) { + // Close the underlying IPC channel. + PUiCompositorControllerChild::Close(); + mIsOpen = false; + } + })); + + task.Wait(); +} + +bool UiCompositorControllerChild::DeallocPixelBuffer(Shmem& aMem) { + return DeallocShmem(aMem); +} + +// protected: +void UiCompositorControllerChild::ActorDestroy(ActorDestroyReason aWhy) { + mIsOpen = false; + mParent = nullptr; + + if (mProcessToken) { + gfx::GPUProcessManager::Get()->NotifyRemoteActorDestroyed(mProcessToken); + mProcessToken = 0; + } +} + +void UiCompositorControllerChild::ProcessingError(Result aCode, + const char* aReason) { + if (aCode != MsgDropped) { + gfxDevCrash(gfx::LogReason::ProcessingError) + << "Processing error in UiCompositorControllerChild: " << int(aCode); + } +} + +void UiCompositorControllerChild::HandleFatalError(const char* aMsg) { + dom::ContentChild::FatalErrorIfNotUsingGPUProcess(aMsg, OtherPid()); +} + +mozilla::ipc::IPCResult +UiCompositorControllerChild::RecvToolbarAnimatorMessageFromCompositor( + const int32_t& aMessage) { +#if defined(MOZ_WIDGET_ANDROID) + if (mWidget) { + mWidget->RecvToolbarAnimatorMessageFromCompositor(aMessage); + } +#endif // defined(MOZ_WIDGET_ANDROID) + + return IPC_OK(); +} + +mozilla::ipc::IPCResult UiCompositorControllerChild::RecvRootFrameMetrics( + const ScreenPoint& aScrollOffset, const CSSToScreenScale& aZoom) { +#if defined(MOZ_WIDGET_ANDROID) + if (mWidget) { + mWidget->UpdateRootFrameMetrics(aScrollOffset, aZoom); + } +#endif // defined(MOZ_WIDGET_ANDROID) + + return IPC_OK(); +} + +mozilla::ipc::IPCResult UiCompositorControllerChild::RecvScreenPixels( + ipc::Shmem&& aMem, const ScreenIntSize& aSize, bool aNeedsYFlip) { +#if defined(MOZ_WIDGET_ANDROID) + if (mWidget) { + mWidget->RecvScreenPixels(std::move(aMem), aSize, aNeedsYFlip); + } +#endif // defined(MOZ_WIDGET_ANDROID) + + return IPC_OK(); +} + +// private: +UiCompositorControllerChild::UiCompositorControllerChild( + const uint64_t& aProcessToken, nsBaseWidget* aWidget) + : mIsOpen(false), mProcessToken(aProcessToken), mWidget(aWidget) {} + +UiCompositorControllerChild::~UiCompositorControllerChild() = default; + +void UiCompositorControllerChild::OpenForSameProcess() { + MOZ_ASSERT(GetUiThread()->IsOnCurrentThread()); + + mIsOpen = Open(mParent, mozilla::layers::CompositorThread(), + mozilla::ipc::ChildSide); + + if (!mIsOpen) { + mParent = nullptr; + return; + } + + mParent->InitializeForSameProcess(); + SendCachedValues(); + // Let Ui thread know the connection is open; + RecvToolbarAnimatorMessageFromCompositor(COMPOSITOR_CONTROLLER_OPEN); +} + +void UiCompositorControllerChild::OpenForGPUProcess( + Endpoint<PUiCompositorControllerChild>&& aEndpoint) { + MOZ_ASSERT(GetUiThread()->IsOnCurrentThread()); + + mIsOpen = aEndpoint.Bind(this); + + if (!mIsOpen) { + // The GPU Process Manager might be gone if we receive ActorDestroy very + // late in shutdown. + if (gfx::GPUProcessManager* gpm = gfx::GPUProcessManager::Get()) { + gpm->NotifyRemoteActorDestroyed(mProcessToken); + } + return; + } + + SendCachedValues(); + // Let Ui thread know the connection is open; + RecvToolbarAnimatorMessageFromCompositor(COMPOSITOR_CONTROLLER_OPEN); +} + +void UiCompositorControllerChild::SendCachedValues() { + MOZ_ASSERT(mIsOpen); + if (mResize) { + bool resumed; + SendResumeAndResize(mResize.ref().x, mResize.ref().y, mResize.ref().width, + mResize.ref().height, &resumed); + mResize.reset(); + } + if (mMaxToolbarHeight) { + SendMaxToolbarHeight(mMaxToolbarHeight.ref()); + mMaxToolbarHeight.reset(); + } + if (mDefaultClearColor) { + SendDefaultClearColor(mDefaultClearColor.ref()); + mDefaultClearColor.reset(); + } + if (mLayerUpdateEnabled) { + SendEnableLayerUpdateNotifications(mLayerUpdateEnabled.ref()); + mLayerUpdateEnabled.reset(); + } +} + +#ifdef MOZ_WIDGET_ANDROID +void UiCompositorControllerChild::SetCompositorSurfaceManager( + java::CompositorSurfaceManager::Param aCompositorSurfaceManager) { + MOZ_ASSERT(!mCompositorSurfaceManager, + "SetCompositorSurfaceManager must only be called once."); + MOZ_ASSERT(mProcessToken != 0, + "SetCompositorSurfaceManager must only be called for GPU process " + "controllers."); + mCompositorSurfaceManager = aCompositorSurfaceManager; +}; + +void UiCompositorControllerChild::OnCompositorSurfaceChanged( + int32_t aWidgetId, java::sdk::Surface::Param aSurface) { + // If mCompositorSurfaceManager is not set then there is no GPU process and + // we do not need to do anything. + if (mCompositorSurfaceManager == nullptr) { + return; + } + + nsresult result = + mCompositorSurfaceManager->OnSurfaceChanged(aWidgetId, aSurface); + + // If our remote binder has died then notify the GPU process manager. + if (NS_FAILED(result)) { + if (mProcessToken) { + gfx::GPUProcessManager::Get()->NotifyRemoteActorDestroyed(mProcessToken); + mProcessToken = 0; + } + } +} +#endif + +} // namespace layers +} // namespace mozilla |