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Diffstat (limited to '')
| -rw-r--r-- | gfx/layers/wr/WebRenderLayerManager.cpp | 821 |
1 files changed, 821 insertions, 0 deletions
diff --git a/gfx/layers/wr/WebRenderLayerManager.cpp b/gfx/layers/wr/WebRenderLayerManager.cpp new file mode 100644 index 0000000000..8dc6c13ac1 --- /dev/null +++ b/gfx/layers/wr/WebRenderLayerManager.cpp @@ -0,0 +1,821 @@ +/* -*- 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 "WebRenderLayerManager.h" + +#include "GeckoProfiler.h" +#include "mozilla/StaticPrefs_apz.h" +#include "mozilla/StaticPrefs_layers.h" +#include "mozilla/dom/BrowserChild.h" +#include "mozilla/gfx/DrawEventRecorder.h" +#include "mozilla/gfx/gfxVars.h" +#include "mozilla/layers/CompositorBridgeChild.h" +#include "mozilla/layers/StackingContextHelper.h" +#include "mozilla/layers/TextureClient.h" +#include "mozilla/layers/TransactionIdAllocator.h" +#include "mozilla/layers/WebRenderBridgeChild.h" +#include "mozilla/layers/UpdateImageHelper.h" +#include "mozilla/PerfStats.h" +#include "nsDisplayList.h" +#include "nsLayoutUtils.h" +#include "WebRenderCanvasRenderer.h" +#include "LayerUserData.h" + +#ifdef XP_WIN +# include "gfxDWriteFonts.h" +# include "mozilla/WindowsProcessMitigations.h" +#endif + +namespace mozilla { + +using namespace gfx; + +namespace layers { + +WebRenderLayerManager::WebRenderLayerManager(nsIWidget* aWidget) + : mWidget(aWidget), + mLatestTransactionId{0}, + mNeedsComposite(false), + mIsFirstPaint(false), + mDestroyed(false), + mTarget(nullptr), + mPaintSequenceNumber(0), + mWebRenderCommandBuilder(this) { + MOZ_COUNT_CTOR(WebRenderLayerManager); + mStateManager.mLayerManager = this; + + if (XRE_IsContentProcess() && + StaticPrefs::gfx_webrender_enable_item_cache_AtStartup()) { + static const size_t kInitialCacheSize = 1024; + static const size_t kMaximumCacheSize = 10240; + + mDisplayItemCache.SetCapacity(kInitialCacheSize, kMaximumCacheSize); + } +} + +KnowsCompositor* WebRenderLayerManager::AsKnowsCompositor() { return mWrChild; } + +bool WebRenderLayerManager::Initialize( + PCompositorBridgeChild* aCBChild, wr::PipelineId aLayersId, + TextureFactoryIdentifier* aTextureFactoryIdentifier, nsCString& aError) { + MOZ_ASSERT(mWrChild == nullptr); + MOZ_ASSERT(aTextureFactoryIdentifier); + + // When we fail to initialize WebRender, it is useful to know if it has ever + // succeeded, or if this is the first attempt. + static bool hasInitialized = false; + + WindowKind windowKind; + if (mWidget->GetWindowType() != widget::WindowType::Popup) { + windowKind = WindowKind::MAIN; + } else { + windowKind = WindowKind::SECONDARY; + } + + LayoutDeviceIntSize size = mWidget->GetClientSize(); + // Check widget size + if (!wr::WindowSizeSanityCheck(size.width, size.height)) { + gfxCriticalNoteOnce << "Widget size is not valid " << size + << " isParent: " << XRE_IsParentProcess(); + } + + PWebRenderBridgeChild* bridge = + aCBChild->SendPWebRenderBridgeConstructor(aLayersId, size, windowKind); + if (!bridge) { + // This should only fail if we attempt to access a layer we don't have + // permission for, or more likely, the GPU process crashed again during + // reinitialization. We can expect to be notified again to reinitialize + // (which may or may not be using WebRender). + gfxCriticalNote << "Failed to create WebRenderBridgeChild."; + aError.Assign(hasInitialized + ? "FEATURE_FAILURE_WEBRENDER_INITIALIZE_IPDL_POST"_ns + : "FEATURE_FAILURE_WEBRENDER_INITIALIZE_IPDL_FIRST"_ns); + return false; + } + + mWrChild = static_cast<WebRenderBridgeChild*>(bridge); + + TextureFactoryIdentifier textureFactoryIdentifier; + wr::MaybeIdNamespace idNamespace; + // Sync ipc + if (!WrBridge()->SendEnsureConnected(&textureFactoryIdentifier, &idNamespace, + &aError)) { + gfxCriticalNote << "Failed as lost WebRenderBridgeChild."; + aError.Assign(hasInitialized + ? "FEATURE_FAILURE_WEBRENDER_INITIALIZE_SYNC_POST"_ns + : "FEATURE_FAILURE_WEBRENDER_INITIALIZE_SYNC_FIRST"_ns); + return false; + } + + if (textureFactoryIdentifier.mParentBackend == LayersBackend::LAYERS_NONE || + idNamespace.isNothing()) { + gfxCriticalNote << "Failed to connect WebRenderBridgeChild. isParent=" + << XRE_IsParentProcess(); + aError.Append(hasInitialized ? "_POST"_ns : "_FIRST"_ns); + return false; + } + + WrBridge()->SetWebRenderLayerManager(this); + WrBridge()->IdentifyTextureHost(textureFactoryIdentifier); + WrBridge()->SetNamespace(idNamespace.ref()); + *aTextureFactoryIdentifier = textureFactoryIdentifier; + + mDLBuilder = MakeUnique<wr::DisplayListBuilder>( + WrBridge()->GetPipeline(), WrBridge()->GetWebRenderBackend()); + + hasInitialized = true; + return true; +} + +void WebRenderLayerManager::Destroy() { DoDestroy(/* aIsSync */ false); } + +void WebRenderLayerManager::DoDestroy(bool aIsSync) { + MOZ_ASSERT(NS_IsMainThread()); + + if (IsDestroyed()) { + return; + } + + mDLBuilder = nullptr; + mUserData.Destroy(); + mPartialPrerenderedAnimations.Clear(); + + mStateManager.Destroy(); + + if (WrBridge()) { + WrBridge()->Destroy(aIsSync); + } + + mWebRenderCommandBuilder.Destroy(); + + if (mTransactionIdAllocator) { + // Make sure to notify the refresh driver just in case it's waiting on a + // pending transaction. Do this at the top of the event loop so we don't + // cause a paint to occur during compositor shutdown. + RefPtr<TransactionIdAllocator> allocator = mTransactionIdAllocator; + TransactionId id = mLatestTransactionId; + + RefPtr<Runnable> task = NS_NewRunnableFunction( + "TransactionIdAllocator::NotifyTransactionCompleted", + [allocator, id]() -> void { + allocator->ClearPendingTransactions(); + allocator->NotifyTransactionCompleted(id); + }); + NS_DispatchToMainThread(task.forget()); + } + + // Forget the widget pointer in case we outlive our owning widget. + mWidget = nullptr; + mDestroyed = true; +} + +WebRenderLayerManager::~WebRenderLayerManager() { + Destroy(); + MOZ_COUNT_DTOR(WebRenderLayerManager); +} + +CompositorBridgeChild* WebRenderLayerManager::GetCompositorBridgeChild() { + return WrBridge()->GetCompositorBridgeChild(); +} + +void WebRenderLayerManager::GetBackendName(nsAString& name) { + if (WrBridge()->UsingSoftwareWebRenderD3D11()) { + name.AssignLiteral("WebRender (Software D3D11)"); + } else if (WrBridge()->UsingSoftwareWebRenderOpenGL()) { + name.AssignLiteral("WebRender (Software OpenGL)"); + } else if (WrBridge()->UsingSoftwareWebRender()) { + name.AssignLiteral("WebRender (Software)"); + } else { + name.AssignLiteral("WebRender"); + } +} + +uint32_t WebRenderLayerManager::StartFrameTimeRecording(int32_t aBufferSize) { + CompositorBridgeChild* renderer = GetCompositorBridgeChild(); + if (renderer) { + uint32_t startIndex; + renderer->SendStartFrameTimeRecording(aBufferSize, &startIndex); + return startIndex; + } + return -1; +} + +void WebRenderLayerManager::StopFrameTimeRecording( + uint32_t aStartIndex, nsTArray<float>& aFrameIntervals) { + CompositorBridgeChild* renderer = GetCompositorBridgeChild(); + if (renderer) { + renderer->SendStopFrameTimeRecording(aStartIndex, &aFrameIntervals); + } +} + +void WebRenderLayerManager::TakeCompositionPayloads( + nsTArray<CompositionPayload>& aPayloads) { + aPayloads.Clear(); + + std::swap(mPayload, aPayloads); +} + +bool WebRenderLayerManager::BeginTransactionWithTarget(gfxContext* aTarget, + const nsCString& aURL) { + mTarget = aTarget; + bool retval = BeginTransaction(aURL); + if (!retval) { + mTarget = nullptr; + } + return retval; +} + +bool WebRenderLayerManager::BeginTransaction(const nsCString& aURL) { + if (!WrBridge()->IPCOpen()) { + gfxCriticalNote << "IPC Channel is already torn down unexpectedly\n"; + return false; + } + + mTransactionStart = TimeStamp::Now(); + mURL = aURL; + + // Increment the paint sequence number even if test logging isn't + // enabled in this process; it may be enabled in the parent process, + // and the parent process expects unique sequence numbers. + ++mPaintSequenceNumber; + if (StaticPrefs::apz_test_logging_enabled()) { + mApzTestData.StartNewPaint(mPaintSequenceNumber); + } + return true; +} + +bool WebRenderLayerManager::EndEmptyTransaction(EndTransactionFlags aFlags) { + auto clearTarget = MakeScopeExit([&] { mTarget = nullptr; }); + + // If we haven't sent a display list (since creation or since the last time we + // sent ClearDisplayList to the parent) then we can't do an empty transaction + // because the parent doesn't have a display list for us and we need to send a + // display list first. + if (!WrBridge()->GetSentDisplayList()) { + return false; + } + + mDisplayItemCache.SkipWaitingForPartialDisplayList(); + + // Since we don't do repeat transactions right now, just set the time + mAnimationReadyTime = TimeStamp::Now(); + + // Don't block on hidden windows on Linux as it may block all rendering. + const bool throttle = mWidget->IsMapped(); + mLatestTransactionId = mTransactionIdAllocator->GetTransactionId(throttle); + + if (aFlags & EndTransactionFlags::END_NO_COMPOSITE && + !mWebRenderCommandBuilder.NeedsEmptyTransaction()) { + if (mPendingScrollUpdates.IsEmpty()) { + MOZ_ASSERT(!mTarget); + WrBridge()->SendSetFocusTarget(mFocusTarget); + // Revoke TransactionId to trigger next paint. + mTransactionIdAllocator->RevokeTransactionId(mLatestTransactionId); + mLatestTransactionId = mLatestTransactionId.Prev(); + return true; + } + } + + LayoutDeviceIntSize size = mWidget->GetClientSize(); + WrBridge()->BeginTransaction(); + + mWebRenderCommandBuilder.EmptyTransaction(); + + // Get the time of when the refresh driver start its tick (if available), + // otherwise use the time of when LayerManager::BeginTransaction was called. + TimeStamp refreshStart = mTransactionIdAllocator->GetTransactionStart(); + if (!refreshStart) { + refreshStart = mTransactionStart; + } + + // Skip the synchronization for buffer since we also skip the painting during + // device-reset status. + if (!gfxPlatform::GetPlatform()->DidRenderingDeviceReset()) { + if (WrBridge()->GetSyncObject() && + WrBridge()->GetSyncObject()->IsSyncObjectValid()) { + WrBridge()->GetSyncObject()->Synchronize(); + } + } + + GetCompositorBridgeChild()->EndCanvasTransaction(); + + Maybe<TransactionData> transactionData; + if (mStateManager.mAsyncResourceUpdates || !mPendingScrollUpdates.IsEmpty() || + WrBridge()->HasWebRenderParentCommands()) { + transactionData.emplace(); + transactionData->mIdNamespace = WrBridge()->GetNamespace(); + transactionData->mPaintSequenceNumber = mPaintSequenceNumber; + if (mStateManager.mAsyncResourceUpdates) { + mStateManager.mAsyncResourceUpdates->Flush( + transactionData->mResourceUpdates, transactionData->mSmallShmems, + transactionData->mLargeShmems); + } + transactionData->mScrollUpdates = std::move(mPendingScrollUpdates); + for (const auto& scrollId : transactionData->mScrollUpdates.Keys()) { + nsLayoutUtils::NotifyPaintSkipTransaction(/*scroll id=*/scrollId); + } + } + + Maybe<wr::IpcResourceUpdateQueue> nothing; + WrBridge()->EndEmptyTransaction(mFocusTarget, std::move(transactionData), + mLatestTransactionId, + mTransactionIdAllocator->GetVsyncId(), + mTransactionIdAllocator->GetVsyncStart(), + refreshStart, mTransactionStart, mURL); + mTransactionStart = TimeStamp(); + + MakeSnapshotIfRequired(size); + return true; +} + +void WebRenderLayerManager::EndTransactionWithoutLayer( + nsDisplayList* aDisplayList, nsDisplayListBuilder* aDisplayListBuilder, + WrFiltersHolder&& aFilters, WebRenderBackgroundData* aBackground, + const double aGeckoDLBuildTime) { + AUTO_PROFILER_TRACING_MARKER("Paint", "WrDisplayList", GRAPHICS); + + auto clearTarget = MakeScopeExit([&] { mTarget = nullptr; }); + + // Since we don't do repeat transactions right now, just set the time + mAnimationReadyTime = TimeStamp::Now(); + + WrBridge()->BeginTransaction(); + + LayoutDeviceIntSize size = mWidget->GetClientSize(); + + mDLBuilder->Begin(&mDisplayItemCache); + + wr::IpcResourceUpdateQueue resourceUpdates(WrBridge()); + wr::usize builderDumpIndex = 0; + bool containsSVGGroup = false; + bool dumpEnabled = + mWebRenderCommandBuilder.ShouldDumpDisplayList(aDisplayListBuilder); + Maybe<AutoDisplayItemCacheSuppressor> cacheSuppressor; + if (dumpEnabled) { + cacheSuppressor.emplace(&mDisplayItemCache); + printf_stderr("-- WebRender display list build --\n"); + } + + if (XRE_IsContentProcess() && + StaticPrefs::gfx_webrender_debug_dl_dump_content_serialized()) { + mDLBuilder->DumpSerializedDisplayList(); + } + + if (aDisplayList) { + MOZ_ASSERT(aDisplayListBuilder && !aBackground); + mDisplayItemCache.SetDisplayList(aDisplayListBuilder, aDisplayList); + + mWebRenderCommandBuilder.BuildWebRenderCommands( + *mDLBuilder, resourceUpdates, aDisplayList, aDisplayListBuilder, + mScrollData, std::move(aFilters)); + + aDisplayListBuilder->NotifyAndClearScrollFrames(); + + builderDumpIndex = mWebRenderCommandBuilder.GetBuilderDumpIndex(); + containsSVGGroup = mWebRenderCommandBuilder.GetContainsSVGGroup(); + } else { + // ViewToPaint does not have frame yet, then render only background clolor. + MOZ_ASSERT(!aDisplayListBuilder && aBackground); + aBackground->AddWebRenderCommands(*mDLBuilder); + if (dumpEnabled) { + printf_stderr("(no display list; background only)\n"); + builderDumpIndex = + mDLBuilder->Dump(/*indent*/ 1, Some(builderDumpIndex), Nothing()); + } + } + + mWidget->AddWindowOverlayWebRenderCommands(WrBridge(), *mDLBuilder, + resourceUpdates); + if (dumpEnabled) { + printf_stderr("(window overlay)\n"); + Unused << mDLBuilder->Dump(/*indent*/ 1, Some(builderDumpIndex), Nothing()); + } + + if (AsyncPanZoomEnabled()) { + if (mIsFirstPaint) { + mScrollData.SetIsFirstPaint(); + mIsFirstPaint = false; + } + mScrollData.SetPaintSequenceNumber(mPaintSequenceNumber); + if (dumpEnabled) { + std::stringstream str; + str << mScrollData; + print_stderr(str); + } + } + + // Since we're sending a full mScrollData that will include the new scroll + // offsets, and we can throw away the pending scroll updates we had kept for + // an empty transaction. + auto scrollIdsUpdated = ClearPendingScrollInfoUpdate(); + for (ScrollableLayerGuid::ViewID update : scrollIdsUpdated) { + nsLayoutUtils::NotifyPaintSkipTransaction(update); + } + + // Don't block on hidden windows on Linux as it may block all rendering. + const bool throttle = mWidget->IsMapped(); + mLatestTransactionId = mTransactionIdAllocator->GetTransactionId(throttle); + + // Get the time of when the refresh driver start its tick (if available), + // otherwise use the time of when LayerManager::BeginTransaction was called. + TimeStamp refreshStart = mTransactionIdAllocator->GetTransactionStart(); + if (!refreshStart) { + refreshStart = mTransactionStart; + } + + if (mStateManager.mAsyncResourceUpdates) { + if (resourceUpdates.IsEmpty()) { + resourceUpdates.ReplaceResources( + std::move(mStateManager.mAsyncResourceUpdates.ref())); + } else { + WrBridge()->UpdateResources(mStateManager.mAsyncResourceUpdates.ref()); + } + mStateManager.mAsyncResourceUpdates.reset(); + } + mStateManager.DiscardImagesInTransaction(resourceUpdates); + + WrBridge()->RemoveExpiredFontKeys(resourceUpdates); + + // Skip the synchronization for buffer since we also skip the painting during + // device-reset status. + if (!gfxPlatform::GetPlatform()->DidRenderingDeviceReset()) { + if (WrBridge()->GetSyncObject() && + WrBridge()->GetSyncObject()->IsSyncObjectValid()) { + WrBridge()->GetSyncObject()->Synchronize(); + } + } + + GetCompositorBridgeChild()->EndCanvasTransaction(); + + { + AUTO_PROFILER_TRACING_MARKER("Paint", "ForwardDPTransaction", GRAPHICS); + DisplayListData dlData; + mDLBuilder->End(dlData); + resourceUpdates.Flush(dlData.mResourceUpdates, dlData.mSmallShmems, + dlData.mLargeShmems); + dlData.mRect = + LayoutDeviceRect(LayoutDevicePoint(), LayoutDeviceSize(size)); + dlData.mScrollData.emplace(std::move(mScrollData)); + dlData.mDLDesc.gecko_display_list_type = + aDisplayListBuilder && aDisplayListBuilder->PartialBuildFailed() + ? wr::GeckoDisplayListType::Full(aGeckoDLBuildTime) + : wr::GeckoDisplayListType::Partial(aGeckoDLBuildTime); + + // convert from nanoseconds to microseconds + auto duration = TimeDuration::FromMicroseconds( + double(dlData.mDLDesc.builder_finish_time - + dlData.mDLDesc.builder_start_time) / + 1000.); + PerfStats::RecordMeasurement(PerfStats::Metric::WrDisplayListBuilding, + duration); + bool ret = WrBridge()->EndTransaction( + std::move(dlData), mLatestTransactionId, containsSVGGroup, + mTransactionIdAllocator->GetVsyncId(), + mTransactionIdAllocator->GetVsyncStart(), refreshStart, + mTransactionStart, mURL); + if (!ret) { + // Failed to send display list, reset display item cache state. + mDisplayItemCache.Clear(); + } + + WrBridge()->SendSetFocusTarget(mFocusTarget); + mFocusTarget = FocusTarget(); + } + + // Discard animations after calling WrBridge()->EndTransaction(). + // It updates mWrEpoch in WebRenderBridgeParent. The updated mWrEpoch is + // necessary for deleting animations at the correct time. + mStateManager.DiscardCompositorAnimations(); + + mTransactionStart = TimeStamp(); + + MakeSnapshotIfRequired(size); + mNeedsComposite = false; +} + +void WebRenderLayerManager::SetFocusTarget(const FocusTarget& aFocusTarget) { + mFocusTarget = aFocusTarget; +} + +bool WebRenderLayerManager::AsyncPanZoomEnabled() const { + return mWidget->AsyncPanZoomEnabled(); +} + +IntRect ToOutsideIntRect(const gfxRect& aRect) { + return IntRect::RoundOut(aRect.X(), aRect.Y(), aRect.Width(), aRect.Height()); +} + +void WebRenderLayerManager::MakeSnapshotIfRequired(LayoutDeviceIntSize aSize) { + auto clearTarget = MakeScopeExit([&] { mTarget = nullptr; }); + + if (!mTarget || !mTarget->GetDrawTarget() || aSize.IsEmpty()) { + return; + } + + // XXX Add other TextureData supports. + // Only BufferTexture is supported now. + + // TODO: fixup for proper surface format. + // The GLES spec only guarantees that RGBA can be used with glReadPixels, + // so on Android we use RGBA. + SurfaceFormat format = +#ifdef MOZ_WIDGET_ANDROID + SurfaceFormat::R8G8B8A8; +#else + SurfaceFormat::B8G8R8A8; +#endif + RefPtr<TextureClient> texture = TextureClient::CreateForRawBufferAccess( + WrBridge(), format, aSize.ToUnknownSize(), BackendType::SKIA, + TextureFlags::SNAPSHOT); + if (!texture) { + return; + } + + // The other side knows our ContentParentId and WebRenderBridgeChild will + // ignore the one provided here in favour of what WebRenderBridgeParent + // already has. + texture->InitIPDLActor(WrBridge(), dom::ContentParentId()); + if (!texture->GetIPDLActor()) { + return; + } + + IntRect bounds = ToOutsideIntRect(mTarget->GetClipExtents()); + bool needsYFlip = false; + if (!WrBridge()->SendGetSnapshot(WrapNotNull(texture->GetIPDLActor()), + &needsYFlip)) { + return; + } + + TextureClientAutoLock autoLock(texture, OpenMode::OPEN_READ_ONLY); + if (!autoLock.Succeeded()) { + return; + } + RefPtr<DrawTarget> drawTarget = texture->BorrowDrawTarget(); + if (!drawTarget || !drawTarget->IsValid()) { + return; + } + RefPtr<SourceSurface> snapshot = drawTarget->Snapshot(); + /* + static int count = 0; + char filename[100]; + snprintf(filename, 100, "output%d.png", count++); + printf_stderr("Writing to :%s\n", filename); + gfxUtils::WriteAsPNG(snapshot, filename); + */ + + Rect dst(bounds.X(), bounds.Y(), bounds.Width(), bounds.Height()); + Rect src(0, 0, bounds.Width(), bounds.Height()); + + Matrix m; + if (needsYFlip) { + m = Matrix::Scaling(1.0, -1.0).PostTranslate(0.0, aSize.height); + } + SurfacePattern pattern(snapshot, ExtendMode::CLAMP, m); + DrawTarget* dt = mTarget->GetDrawTarget(); + MOZ_RELEASE_ASSERT(dt); + dt->FillRect(dst, pattern); + + mTarget = nullptr; +} + +void WebRenderLayerManager::DiscardImages() { + wr::IpcResourceUpdateQueue resources(WrBridge()); + mStateManager.DiscardImagesInTransaction(resources); + WrBridge()->UpdateResources(resources); +} + +void WebRenderLayerManager::DiscardLocalImages() { + mStateManager.DiscardLocalImages(); +} + +void WebRenderLayerManager::SetLayersObserverEpoch(LayersObserverEpoch aEpoch) { + if (WrBridge()->IPCOpen()) { + WrBridge()->SendSetLayersObserverEpoch(aEpoch); + } +} + +void WebRenderLayerManager::DidComposite( + TransactionId aTransactionId, const mozilla::TimeStamp& aCompositeStart, + const mozilla::TimeStamp& aCompositeEnd) { + if (IsDestroyed()) { + return; + } + + MOZ_ASSERT(mWidget); + + // Notifying the observers may tick the refresh driver which can cause + // a lot of different things to happen that may affect the lifetime of + // this layer manager. So let's make sure this object stays alive until + // the end of the method invocation. + RefPtr<WebRenderLayerManager> selfRef = this; + + // |aTransactionId| will be > 0 if the compositor is acknowledging a shadow + // layers transaction. + if (aTransactionId.IsValid()) { + nsIWidgetListener* listener = mWidget->GetWidgetListener(); + if (listener) { + listener->DidCompositeWindow(aTransactionId, aCompositeStart, + aCompositeEnd); + } + listener = mWidget->GetAttachedWidgetListener(); + if (listener) { + listener->DidCompositeWindow(aTransactionId, aCompositeStart, + aCompositeEnd); + } + if (mTransactionIdAllocator) { + mTransactionIdAllocator->NotifyTransactionCompleted(aTransactionId); + } + } +} + +void WebRenderLayerManager::ClearCachedResources() { + if (!WrBridge()->IPCOpen()) { + gfxCriticalNote << "IPC Channel is already torn down unexpectedly\n"; + return; + } + WrBridge()->BeginClearCachedResources(); + // We flush any pending async resource updates before we clear the display + // list items because some resources (e.g. images) might be shared between + // multiple layer managers, not get freed here, and we want to keep their + // states consistent. + mStateManager.FlushAsyncResourceUpdates(); + mWebRenderCommandBuilder.ClearCachedResources(); + DiscardImages(); + mStateManager.ClearCachedResources(); + WrBridge()->EndClearCachedResources(); +} + +void WebRenderLayerManager::ClearAnimationResources() { + if (!WrBridge()->IPCOpen()) { + gfxCriticalNote << "IPC Channel is already torn down unexpectedly\n"; + return; + } + WrBridge()->SendClearAnimationResources(); +} + +void WebRenderLayerManager::WrUpdated() { + ClearAsyncAnimations(); + mStateManager.mAsyncResourceUpdates.reset(); + mWebRenderCommandBuilder.ClearCachedResources(); + DiscardLocalImages(); + mDisplayItemCache.Clear(); + + if (mWidget) { + if (dom::BrowserChild* browserChild = mWidget->GetOwningBrowserChild()) { + browserChild->SchedulePaint(); + } + } +} + +void WebRenderLayerManager::UpdateTextureFactoryIdentifier( + const TextureFactoryIdentifier& aNewIdentifier) { + WrBridge()->IdentifyTextureHost(aNewIdentifier); +} + +TextureFactoryIdentifier WebRenderLayerManager::GetTextureFactoryIdentifier() { + return WrBridge()->GetTextureFactoryIdentifier(); +} + +void WebRenderLayerManager::SetTransactionIdAllocator( + TransactionIdAllocator* aAllocator) { + // When changing the refresh driver, the previous refresh driver may never + // receive updates of pending transactions it's waiting for. So clear the + // waiting state before assigning another refresh driver. + if (mTransactionIdAllocator && (aAllocator != mTransactionIdAllocator)) { + mTransactionIdAllocator->ClearPendingTransactions(); + + // We should also reset the transaction id of the new allocator to previous + // allocator's last transaction id, so that completed transactions for + // previous allocator will be ignored and won't confuse the new allocator. + if (aAllocator) { + aAllocator->ResetInitialTransactionId( + mTransactionIdAllocator->LastTransactionId()); + } + } + + mTransactionIdAllocator = aAllocator; +} + +TransactionId WebRenderLayerManager::GetLastTransactionId() { + return mLatestTransactionId; +} + +void WebRenderLayerManager::FlushRendering(wr::RenderReasons aReasons) { + CompositorBridgeChild* cBridge = GetCompositorBridgeChild(); + if (!cBridge) { + return; + } + MOZ_ASSERT(mWidget); + + // If value of IsResizingNativeWidget() is nothing, we assume that resizing + // might happen. + bool resizing = mWidget && mWidget->IsResizingNativeWidget().valueOr(true); + + if (resizing) { + aReasons = aReasons | wr::RenderReasons::RESIZE; + } + + // Limit async FlushRendering to !resizing and Win DComp. + // XXX relax the limitation + if (WrBridge()->GetCompositorUseDComp() && !resizing) { + cBridge->SendFlushRenderingAsync(aReasons); + } else if (mWidget->SynchronouslyRepaintOnResize() || + StaticPrefs::layers_force_synchronous_resize()) { + cBridge->SendFlushRendering(aReasons); + } else { + cBridge->SendFlushRenderingAsync(aReasons); + } +} + +void WebRenderLayerManager::WaitOnTransactionProcessed() { + CompositorBridgeChild* bridge = GetCompositorBridgeChild(); + if (bridge) { + bridge->SendWaitOnTransactionProcessed(); + } +} + +void WebRenderLayerManager::SendInvalidRegion(const nsIntRegion& aRegion) { + // XXX Webrender does not support invalid region yet. + +#ifdef XP_WIN + // When DWM is disabled, each window does not have own back buffer. They would + // paint directly to a buffer that was to be displayed by the video card. + // WM_PAINT via SendInvalidRegion() requests necessary re-paint. + const bool needsInvalidate = !gfx::gfxVars::DwmCompositionEnabled(); +#else + const bool needsInvalidate = true; +#endif + if (needsInvalidate && WrBridge()) { + WrBridge()->SendInvalidateRenderedFrame(); + } +} + +void WebRenderLayerManager::ScheduleComposite(wr::RenderReasons aReasons) { + WrBridge()->SendScheduleComposite(aReasons); +} + +already_AddRefed<PersistentBufferProvider> +WebRenderLayerManager::CreatePersistentBufferProvider( + const gfx::IntSize& aSize, gfx::SurfaceFormat aFormat) { + if (!gfxPlatform::UseRemoteCanvas()) { +#ifdef XP_WIN + // Any kind of hardware acceleration is incompatible with Win32k Lockdown + // We don't initialize devices here so that PersistentBufferProviderShared + // will fall back to using a piece of shared memory as a backing for the + // canvas + if (!IsWin32kLockedDown()) { + gfxPlatform::GetPlatform()->EnsureDevicesInitialized(); + } +#else + gfxPlatform::GetPlatform()->EnsureDevicesInitialized(); +#endif + } + + RefPtr<PersistentBufferProvider> provider = + PersistentBufferProviderShared::Create(aSize, aFormat, + AsKnowsCompositor()); + if (provider) { + return provider.forget(); + } + + return WindowRenderer::CreatePersistentBufferProvider(aSize, aFormat); +} + +void WebRenderLayerManager::ClearAsyncAnimations() { + mStateManager.ClearAsyncAnimations(); +} + +void WebRenderLayerManager::WrReleasedImages( + const nsTArray<wr::ExternalImageKeyPair>& aPairs) { + mStateManager.WrReleasedImages(aPairs); +} + +void WebRenderLayerManager::GetFrameUniformity(FrameUniformityData* aOutData) { + WrBridge()->SendGetFrameUniformity(aOutData); +} + +/*static*/ +void WebRenderLayerManager::LayerUserDataDestroy(void* data) { + delete static_cast<LayerUserData*>(data); +} + +UniquePtr<LayerUserData> WebRenderLayerManager::RemoveUserData(void* aKey) { + UniquePtr<LayerUserData> d(static_cast<LayerUserData*>( + mUserData.Remove(static_cast<gfx::UserDataKey*>(aKey)))); + return d; +} + +std::unordered_set<ScrollableLayerGuid::ViewID> +WebRenderLayerManager::ClearPendingScrollInfoUpdate() { + std::unordered_set<ScrollableLayerGuid::ViewID> scrollIds( + mPendingScrollUpdates.Keys().cbegin(), + mPendingScrollUpdates.Keys().cend()); + mPendingScrollUpdates.Clear(); + return scrollIds; +} + +} // namespace layers +} // namespace mozilla |