Files
tubestation/gfx/layers/wr/WebRenderLayerManager.cpp
Iulian Moraru 0c8d23ecea Backed out 14 changesets (bug 1607634, bug 1814683, bug 1815177, bug 1814686) for causing build bustages on MaybeStorageBase. CLOSED TREE
Backed out changeset ae1c0551cea5 (bug 1815177)
Backed out changeset a11cafaa1884 (bug 1814686)
Backed out changeset 621507521762 (bug 1814686)
Backed out changeset ad692c73e381 (bug 1814686)
Backed out changeset 3be031e503dc (bug 1607634)
Backed out changeset aebbaa145d2d (bug 1607634)
Backed out changeset 9aa1f346fe14 (bug 1607634)
Backed out changeset e3eb77ad55ca (bug 1607634)
Backed out changeset e60591e5d5cf (bug 1607634)
Backed out changeset 6e43042d204a (bug 1814683)
Backed out changeset 1706e88652d6 (bug 1814683)
Backed out changeset 6878a1590e91 (bug 1814683)
Backed out changeset b1c980c834d8 (bug 1814683)
Backed out changeset 94480b82d102 (bug 1814683)
2023-03-15 01:58:36 +02:00

806 lines
27 KiB
C++

/* -*- 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;
return BeginTransaction(aURL);
}
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) {
// 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();
mLatestTransactionId =
mTransactionIdAllocator->GetTransactionId(/*aThrottle*/ true);
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);
// 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);
}
mLatestTransactionId =
mTransactionIdAllocator->GetTransactionId(/*aThrottle*/ true);
// 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) {
if (!mTarget || 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;
}
texture->InitIPDLActor(WrBridge());
if (!texture->GetIPDLActor()) {
return;
}
IntRect bounds = ToOutsideIntRect(mTarget->GetClipExtents());
bool needsYFlip = false;
if (!WrBridge()->SendGetSnapshot(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