bool
ShadowLayerForwarder::EndTransaction(InfallibleTArray<EditReply>* aReplies)
{
SAMPLE_LABEL("ShadowLayerForwarder", "EndTranscation");
RenderTraceScope rendertrace("Foward Transaction", "000091");
NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
NS_ABORT_IF_FALSE(!mTxn->Finished(), "forgot BeginTransaction?");
AutoTxnEnd _(mTxn);
if (mTxn->Empty()) {
MOZ_LAYERS_LOG(("[LayersForwarder] 0-length cset (?), skipping Update()"));
return true;
}
MOZ_LAYERS_LOG(("[LayersForwarder] destroying buffers..."));
for (PRUint32 i = 0; i < mTxn->mDyingBuffers.Length(); ++i) {
DestroySharedSurface(&mTxn->mDyingBuffers[i]);
}
MOZ_LAYERS_LOG(("[LayersForwarder] building transaction..."));
// We purposely add attribute-change ops to the final changeset
// before we add paint ops. This allows layers to record the
// attribute changes before new pixels arrive, which can be useful
// for setting up back/front buffers.
RenderTraceScope rendertrace2("Foward Transaction", "000092");
for (ShadowableLayerSet::const_iterator it = mTxn->mMutants.begin();
it != mTxn->mMutants.end(); ++it) {
ShadowableLayer* shadow = *it;
Layer* mutant = shadow->AsLayer();
NS_ABORT_IF_FALSE(!!mutant, "unshadowable layer?");
LayerAttributes attrs;
CommonLayerAttributes& common = attrs.common();
common.visibleRegion() = mutant->GetVisibleRegion();
common.transform() = mutant->GetTransform();
common.contentFlags() = mutant->GetContentFlags();
common.opacity() = mutant->GetOpacity();
common.useClipRect() = !!mutant->GetClipRect();
common.clipRect() = (common.useClipRect() ?
*mutant->GetClipRect() : nsIntRect());
common.isFixedPosition() = mutant->GetIsFixedPosition();
if (Layer* maskLayer = mutant->GetMaskLayer()) {
common.maskLayerChild() = Shadow(maskLayer->AsShadowableLayer());
} else {
common.maskLayerChild() = NULL;
}
common.maskLayerParent() = NULL;
attrs.specific() = null_t();
mutant->FillSpecificAttributes(attrs.specific());
mTxn->AddEdit(OpSetLayerAttributes(NULL, Shadow(shadow), attrs));
}
AutoInfallibleTArray<Edit, 10> cset;
size_t nCsets = mTxn->mCset.size() + mTxn->mPaints.size();
NS_ABORT_IF_FALSE(nCsets > 0, "should have bailed by now");
cset.SetCapacity(nCsets);
if (!mTxn->mCset.empty()) {
cset.AppendElements(&mTxn->mCset.front(), mTxn->mCset.size());
}
// Paints after non-paint ops, including attribute changes. See
// above.
if (!mTxn->mPaints.empty()) {
cset.AppendElements(&mTxn->mPaints.front(), mTxn->mPaints.size());
}
MOZ_LAYERS_LOG(("[LayersForwarder] syncing before send..."));
PlatformSyncBeforeUpdate();
if (mTxn->mSwapRequired) {
MOZ_LAYERS_LOG(("[LayersForwarder] sending transaction..."));
RenderTraceScope rendertrace3("Forward Transaction", "000093");
if (!mShadowManager->SendUpdate(cset, mIsFirstPaint, aReplies)) {
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
return false;
}
} else {
// If we don't require a swap we can call SendUpdateNoSwap which
// assumes that aReplies is empty (DEBUG assertion)
MOZ_LAYERS_LOG(("[LayersForwarder] sending no swap transaction..."));
RenderTraceScope rendertrace3("Forward NoSwap Transaction", "000093");
if (!mShadowManager->SendUpdateNoSwap(cset, mIsFirstPaint)) {
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
return false;
}
}
mIsFirstPaint = false;
MOZ_LAYERS_LOG(("[LayersForwarder] ... done"));
return true;
}
void
LayerManagerComposite::EndTransaction(const TimeStamp& aTimeStamp,
EndTransactionFlags aFlags)
{
NS_ASSERTION(mInTransaction, "Didn't call BeginTransaction?");
NS_ASSERTION(!(aFlags & END_NO_COMPOSITE),
"Shouldn't get END_NO_COMPOSITE here");
mInTransaction = false;
if (!mIsCompositorReady) {
return;
}
mIsCompositorReady = false;
#ifdef MOZ_LAYERS_HAVE_LOG
MOZ_LAYERS_LOG((" ----- (beginning paint)"));
Log();
#endif
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
// Set composition timestamp here because we need it in
// ComputeEffectiveTransforms (so the correct video frame size is picked) and
// also to compute invalid regions properly.
mCompositor->SetCompositionTime(aTimeStamp);
if (mRoot && mClonedLayerTreeProperties) {
MOZ_ASSERT(!mTarget);
nsIntRegion invalid =
mClonedLayerTreeProperties->ComputeDifferences(mRoot, nullptr, &mGeometryChanged);
mClonedLayerTreeProperties = nullptr;
mInvalidRegion.Or(mInvalidRegion, invalid);
} else if (!mTarget) {
mInvalidRegion.Or(mInvalidRegion, mRenderBounds);
}
if (mInvalidRegion.IsEmpty() && !mTarget) {
// Composition requested, but nothing has changed. Don't do any work.
return;
}
if (mRoot && !(aFlags & END_NO_IMMEDIATE_REDRAW)) {
MOZ_ASSERT(!aTimeStamp.IsNull());
// The results of our drawing always go directly into a pixel buffer,
// so we don't need to pass any global transform here.
mRoot->ComputeEffectiveTransforms(gfx::Matrix4x4());
nsIntRegion opaque;
ApplyOcclusionCulling(mRoot, opaque);
Render();
#ifdef MOZ_WIDGET_ANDROID
RenderToPresentationSurface();
#endif
mGeometryChanged = false;
} else {
// Modified layer tree
mGeometryChanged = true;
}
mCompositor->ClearTargetContext();
mTarget = nullptr;
#ifdef MOZ_LAYERS_HAVE_LOG
Log();
MOZ_LAYERS_LOG(("]----- EndTransaction"));
#endif
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableHost* compositable = AsCompositable(op);
Layer* layer = compositable->GetLayer();
if (!layer || layer->GetType() != Layer::TYPE_PAINTED) {
return false;
}
PaintedLayerComposite* thebes = static_cast<PaintedLayerComposite*>(layer);
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
if (!compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion))
{
return false;
}
replyv.push_back(
OpContentBufferSwap(op.compositableParent(), nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
break;
}
case CompositableOperation::TOpUseTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
TiledContentHost* compositable = AsCompositable(op)->AsTiledContentHost();
NS_ASSERTION(compositable, "The compositable is not tiled");
const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
bool success = compositable->UseTiledLayerBuffer(this, tileDesc);
if (!success) {
return false;
}
break;
}
case CompositableOperation::TOpRemoveTexture: {
const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
// send FenceHandle if present.
SendFenceHandleIfPresent(op.textureParent(), compositable);
break;
}
case CompositableOperation::TOpRemoveTextureAsync: {
const OpRemoveTextureAsync& op = aEdit.get_OpRemoveTextureAsync();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
if (!IsAsync() && ImageBridgeParent::GetInstance(GetChildProcessId())) {
// send FenceHandle if present via ImageBridge.
ImageBridgeParent::AppendDeliverFenceMessage(
GetChildProcessId(),
op.holderId(),
op.transactionId(),
op.textureParent(),
compositable);
// If the message is recievied via PLayerTransaction,
// Send message back via PImageBridge.
ImageBridgeParent::ReplyRemoveTexture(
GetChildProcessId(),
OpReplyRemoveTexture(op.holderId(),
op.transactionId()));
} else {
// send FenceHandle if present.
SendFenceHandleIfPresent(op.textureParent(), compositable);
ReplyRemoveTexture(OpReplyRemoveTexture(op.holderId(),
op.transactionId()));
}
break;
}
case CompositableOperation::TOpUseTexture: {
const OpUseTexture& op = aEdit.get_OpUseTexture();
CompositableHost* compositable = AsCompositable(op);
nsAutoTArray<CompositableHost::TimedTexture,4> textures;
for (auto& timedTexture : op.textures()) {
CompositableHost::TimedTexture* t = textures.AppendElement();
t->mTexture =
TextureHost::AsTextureHost(timedTexture.textureParent());
MOZ_ASSERT(t->mTexture);
t->mTimeStamp = timedTexture.timeStamp();
t->mPictureRect = timedTexture.picture();
t->mFrameID = timedTexture.frameID();
t->mProducerID = timedTexture.producerID();
MOZ_ASSERT(ValidatePictureRect(t->mTexture->GetSize(), t->mPictureRect));
MaybeFence maybeFence = timedTexture.fence();
if (maybeFence.type() == MaybeFence::TFenceHandle) {
FenceHandle fence = maybeFence.get_FenceHandle();
if (fence.IsValid()) {
t->mTexture->SetAcquireFenceHandle(fence);
}
}
}
compositable->UseTextureHost(textures);
if (IsAsync() && compositable->GetLayer()) {
ScheduleComposition(op);
}
break;
}
case CompositableOperation::TOpUseComponentAlphaTextures: {
const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());
MOZ_ASSERT(texOnBlack && texOnWhite);
compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);
if (IsAsync()) {
ScheduleComposition(op);
}
break;
}
#ifdef MOZ_WIDGET_GONK
case CompositableOperation::TOpUseOverlaySource: {
const OpUseOverlaySource& op = aEdit.get_OpUseOverlaySource();
CompositableHost* compositable = AsCompositable(op);
MOZ_ASSERT(compositable->GetType() == CompositableType::IMAGE_OVERLAY, "Invalid operation!");
if (!ValidatePictureRect(op.overlay().size(), op.picture())) {
return false;
}
compositable->UseOverlaySource(op.overlay(), op.picture());
break;
}
#endif
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
const TargetConfig& targetConfig,
const bool& isFirstPaint,
const bool& scheduleComposite,
InfallibleTArray<EditReply>* reply)
{
profiler_tracing("Paint", "Composite", TRACING_INTERVAL_START);
PROFILER_LABEL("LayerTransactionParent", "RecvUpdate");
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeStamp updateStart = TimeStamp::Now();
#endif
MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
return true;
}
// Clear fence handles used in previsou transaction.
ClearPrevFenceHandles();
EditReplyVector replyv;
{
AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager());
layer_manager()->BeginTransaction();
}
for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
const Edit& edit = cset[i];
switch (edit.type()) {
// Create* ops
case Edit::TOpCreateThebesLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));
nsRefPtr<ThebesLayerComposite> layer =
layer_manager()->CreateThebesLayerComposite();
AsLayerComposite(edit.get_OpCreateThebesLayer())->Bind(layer);
break;
}
case Edit::TOpCreateContainerLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
nsRefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
break;
}
case Edit::TOpCreateImageLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
nsRefPtr<ImageLayerComposite> layer =
layer_manager()->CreateImageLayerComposite();
AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
break;
}
case Edit::TOpCreateColorLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
nsRefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
break;
}
case Edit::TOpCreateCanvasLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
nsRefPtr<CanvasLayerComposite> layer =
layer_manager()->CreateCanvasLayerComposite();
AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
break;
}
case Edit::TOpCreateRefLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));
nsRefPtr<RefLayerComposite> layer =
layer_manager()->CreateRefLayerComposite();
AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
break;
}
// Attributes
case Edit::TOpSetLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
ShadowLayerParent* layerParent = AsLayerComposite(osla);
Layer* layer = layerParent->AsLayer();
if (!layer) {
return false;
}
const LayerAttributes& attrs = osla.attrs();
const CommonLayerAttributes& common = attrs.common();
layer->SetVisibleRegion(common.visibleRegion());
layer->SetEventRegions(common.eventRegions());
layer->SetContentFlags(common.contentFlags());
layer->SetOpacity(common.opacity());
layer->SetClipRect(common.useClipRect() ? &common.clipRect() : nullptr);
layer->SetBaseTransform(common.transform().value());
layer->SetPostScale(common.postXScale(), common.postYScale());
layer->SetIsFixedPosition(common.isFixedPosition());
layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
layer->SetFixedPositionMargins(common.fixedPositionMargin());
if (common.isStickyPosition()) {
layer->SetStickyPositionData(common.stickyScrollContainerId(),
common.stickyScrollRangeOuter(),
common.stickyScrollRangeInner());
}
layer->SetScrollbarData(common.scrollbarTargetContainerId(),
static_cast<Layer::ScrollDirection>(common.scrollbarDirection()));
if (PLayerParent* maskLayer = common.maskLayerParent()) {
layer->SetMaskLayer(cast(maskLayer)->AsLayer());
} else {
layer->SetMaskLayer(nullptr);
}
layer->SetAnimations(common.animations());
layer->SetInvalidRegion(common.invalidRegion());
typedef SpecificLayerAttributes Specific;
const SpecificLayerAttributes& specific = attrs.specific();
switch (specific.type()) {
case Specific::Tnull_t:
break;
case Specific::TThebesLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] thebes layer"));
ThebesLayerComposite* thebesLayer = layerParent->AsThebesLayerComposite();
if (!thebesLayer) {
return false;
}
const ThebesLayerAttributes& attrs =
specific.get_ThebesLayerAttributes();
thebesLayer->SetValidRegion(attrs.validRegion());
break;
}
case Specific::TContainerLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] container layer"));
ContainerLayerComposite* containerLayer = layerParent->AsContainerLayerComposite();
if (!containerLayer) {
return false;
}
const ContainerLayerAttributes& attrs =
specific.get_ContainerLayerAttributes();
containerLayer->SetFrameMetrics(attrs.metrics());
containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
break;
}
case Specific::TColorLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] color layer"));
ColorLayerComposite* colorLayer = layerParent->AsColorLayerComposite();
if (!colorLayer) {
return false;
}
colorLayer->SetColor(specific.get_ColorLayerAttributes().color().value());
colorLayer->SetBounds(specific.get_ColorLayerAttributes().bounds());
break;
}
case Specific::TCanvasLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
CanvasLayerComposite* canvasLayer = layerParent->AsCanvasLayerComposite();
if (!canvasLayer) {
return false;
}
canvasLayer->SetFilter(specific.get_CanvasLayerAttributes().filter());
canvasLayer->SetBounds(specific.get_CanvasLayerAttributes().bounds());
break;
}
case Specific::TRefLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] ref layer"));
RefLayerComposite* refLayer = layerParent->AsRefLayerComposite();
if (!refLayer) {
return false;
}
refLayer->SetReferentId(specific.get_RefLayerAttributes().id());
break;
}
case Specific::TImageLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] image layer"));
ImageLayerComposite* imageLayer = layerParent->AsImageLayerComposite();
if (!imageLayer) {
return false;
}
const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
imageLayer->SetFilter(attrs.filter());
imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
break;
}
case Edit::TOpSetDiagnosticTypes: {
mLayerManager->GetCompositor()->SetDiagnosticTypes(
edit.get_OpSetDiagnosticTypes().diagnostics());
break;
}
// Tree ops
case Edit::TOpSetRoot: {
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
Layer* newRoot = AsLayerComposite(edit.get_OpSetRoot())->AsLayer();
if (newRoot->GetParent()) {
return false;
}
mRoot = newRoot;
break;
}
case Edit::TOpInsertAfter: {
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
const OpInsertAfter& oia = edit.get_OpInsertAfter();
Layer* child = ShadowChild(oia)->AsLayer();
if (!child) {
return false;
}
ContainerLayerComposite* container = ShadowContainer(oia)->AsContainerLayerComposite();
if (!container ||
!container->InsertAfter(child, ShadowAfter(oia)->AsLayer()))
{
return false;
}
break;
}
case Edit::TOpPrependChild: {
MOZ_LAYERS_LOG(("[ParentSide] PrependChild"));
const OpPrependChild& oac = edit.get_OpPrependChild();
Layer* child = ShadowChild(oac)->AsLayer();
if (!child) {
return false;
}
ContainerLayerComposite* container = ShadowContainer(oac)->AsContainerLayerComposite();
if (!container ||
!container->InsertAfter(child, nullptr))
{
return false;
}
break;
}
case Edit::TOpRemoveChild: {
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
const OpRemoveChild& orc = edit.get_OpRemoveChild();
Layer* childLayer = ShadowChild(orc)->AsLayer();
if (!childLayer) {
return false;
}
ContainerLayerComposite* container = ShadowContainer(orc)->AsContainerLayerComposite();
if (!container ||
!container->RemoveChild(childLayer))
{
return false;
}
break;
}
case Edit::TOpRepositionChild: {
MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));
const OpRepositionChild& orc = edit.get_OpRepositionChild();
Layer* child = ShadowChild(orc)->AsLayer();
if (!child) {
return false;
}
ContainerLayerComposite* container = ShadowContainer(orc)->AsContainerLayerComposite();
if (!container ||
!container->RepositionChild(child, ShadowAfter(orc)->AsLayer()))
{
return false;
}
break;
}
case Edit::TOpRaiseToTopChild: {
MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));
const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
Layer* child = ShadowChild(rtc)->AsLayer();
if (!child) {
return false;
}
ContainerLayerComposite* container = ShadowContainer(rtc)->AsContainerLayerComposite();
if (!container ||
!container->RepositionChild(child, nullptr))
{
return false;
}
break;
}
case Edit::TCompositableOperation: {
ReceiveCompositableUpdate(edit.get_CompositableOperation(),
replyv);
break;
}
case Edit::TOpAttachCompositable: {
const OpAttachCompositable& op = edit.get_OpAttachCompositable();
if (!Attach(cast(op.layerParent()), cast(op.compositableParent()), false)) {
return false;
}
cast(op.compositableParent())->SetCompositorID(
mLayerManager->GetCompositor()->GetCompositorID());
break;
}
case Edit::TOpAttachAsyncCompositable: {
const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
CompositableParent* compositableParent = CompositableMap::Get(op.containerID());
MOZ_ASSERT(compositableParent, "CompositableParent not found in the map");
if (!Attach(cast(op.layerParent()), compositableParent, true)) {
return false;
}
compositableParent->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
{
AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager());
layer_manager()->EndTransaction(nullptr, nullptr, LayerManager::END_NO_IMMEDIATE_REDRAW);
}
if (reply) {
reply->SetCapacity(replyv.size());
if (replyv.size() > 0) {
reply->AppendElements(&replyv.front(), replyv.size());
}
}
// Ensure that any pending operations involving back and front
// buffers have completed, so that neither process stomps on the
// other's buffer contents.
LayerManagerComposite::PlatformSyncBeforeReplyUpdate();
mShadowLayersManager->ShadowLayersUpdated(this, targetConfig, isFirstPaint, scheduleComposite);
#ifdef COMPOSITOR_PERFORMANCE_WARNING
int compositeTime = (int)(mozilla::TimeStamp::Now() - updateStart).ToMilliseconds();
if (compositeTime > 15) {
printf_stderr("Compositor: Layers update took %i ms (blocking gecko).\n", compositeTime);
}
#endif
return true;
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpCreatedIncrementalTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Created texture"));
const OpCreatedIncrementalTexture& op = aEdit.get_OpCreatedIncrementalTexture();
CompositableHost* compositable = AsCompositable(op);
bool success =
compositable->CreatedIncrementalTexture(this,
op.textureInfo(),
op.bufferRect());
if (!success) {
return false;
}
break;
}
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableHost* compositable = AsCompositable(op);
Layer* layer = compositable->GetLayer();
if (!layer || layer->GetType() != Layer::TYPE_THEBES) {
return false;
}
ThebesLayerComposite* thebes = static_cast<ThebesLayerComposite*>(layer);
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
if (!compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion))
{
return false;
}
replyv.push_back(
OpContentBufferSwap(op.compositableParent(), nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpPaintTextureIncremental: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureIncremental& op = aEdit.get_OpPaintTextureIncremental();
CompositableHost* compositable = AsCompositable(op);
SurfaceDescriptor desc = op.image();
compositable->UpdateIncremental(op.textureId(),
desc,
op.updatedRegion(),
op.bufferRect(),
op.bufferRotation());
break;
}
case CompositableOperation::TOpUpdatePictureRect: {
const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
CompositableHost* compositable = AsCompositable(op);
MOZ_ASSERT(compositable);
compositable->SetPictureRect(op.picture());
break;
}
case CompositableOperation::TOpUseTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
CompositableHost* compositable = AsCompositable(op);
TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
NS_ASSERTION(tileComposer, "compositable is not a tile composer");
const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
tileComposer->UseTiledLayerBuffer(this, tileDesc);
break;
}
case CompositableOperation::TOpRemoveTexture: {
const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUseTexture: {
const OpUseTexture& op = aEdit.get_OpUseTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->UseTextureHost(tex);
if (IsAsync()) {
ScheduleComposition(op);
// Async layer updates don't trigger invalidation, manually tell the layer
// that its content have changed.
if (compositable->GetLayer()) {
compositable->GetLayer()->SetInvalidRectToVisibleRegion();
}
}
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUseComponentAlphaTextures: {
const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());
MOZ_ASSERT(texOnBlack && texOnWhite);
compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);
if (IsAsync()) {
ScheduleComposition(op);
}
// return texure data to client if necessary
ReturnTextureDataIfNecessary(compositable, replyv, op.compositableParent());
break;
}
case CompositableOperation::TOpUpdateTexture: {
const OpUpdateTexture& op = aEdit.get_OpUpdateTexture();
RefPtr<TextureHost> texture = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(texture);
texture->Updated(op.region().type() == MaybeRegion::TnsIntRegion
? &op.region().get_nsIntRegion()
: nullptr); // no region means invalidate the entire surface
break;
}
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
bool
ClientLayerManager::BeginTransactionWithTarget(gfxContext* aTarget)
{
MOZ_ASSERT(mForwarder, "ClientLayerManager::BeginTransaction without forwarder");
if (!mForwarder->IPCOpen()) {
gfxCriticalNote << "ClientLayerManager::BeginTransaction with IPC channel down. GPU process may have died.";
return false;
}
mInTransaction = true;
mTransactionStart = TimeStamp::Now();
#ifdef MOZ_LAYERS_HAVE_LOG
MOZ_LAYERS_LOG(("[----- BeginTransaction"));
Log();
#endif
NS_ASSERTION(!InTransaction(), "Nested transactions not allowed");
mPhase = PHASE_CONSTRUCTION;
if (DependsOnStaleDevice()) {
FrameLayerBuilder::InvalidateAllLayers(this);
mDeviceCounter = gfxPlatform::GetPlatform()->GetDeviceCounter();
}
MOZ_ASSERT(mKeepAlive.IsEmpty(), "uncommitted txn?");
// If the last transaction was incomplete (a failed DoEmptyTransaction),
// don't signal a new transaction to ShadowLayerForwarder. Carry on adding
// to the previous transaction.
dom::ScreenOrientationInternal orientation;
if (dom::TabChild* window = mWidget->GetOwningTabChild()) {
orientation = window->GetOrientation();
} else {
hal::ScreenConfiguration currentConfig;
hal::GetCurrentScreenConfiguration(¤tConfig);
orientation = currentConfig.orientation();
}
LayoutDeviceIntRect targetBounds = mWidget->GetNaturalBounds();
targetBounds.x = targetBounds.y = 0;
mForwarder->BeginTransaction(targetBounds.ToUnknownRect(), mTargetRotation,
orientation);
// If we're drawing on behalf of a context with async pan/zoom
// enabled, then the entire buffer of painted layers might be
// composited (including resampling) asynchronously before we get
// a chance to repaint, so we have to ensure that it's all valid
// and not rotated.
//
// Desktop does not support async zoom yet, so we ignore this for those
// platforms.
#if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_UIKIT)
if (mWidget && mWidget->GetOwningTabChild()) {
mCompositorMightResample = AsyncPanZoomEnabled();
}
#endif
// If we have a non-default target, we need to let our shadow manager draw
// to it. This will happen at the end of the transaction.
if (aTarget && XRE_IsParentProcess()) {
mShadowTarget = aTarget;
} else {
NS_ASSERTION(!aTarget,
"Content-process ClientLayerManager::BeginTransactionWithTarget not supported");
}
// If this is a new paint, increment the paint sequence number.
if (!mIsRepeatTransaction) {
// 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 (gfxPrefs::APZTestLoggingEnabled()) {
mApzTestData.StartNewPaint(mPaintSequenceNumber);
}
}
return true;
}
void
ClientLayerManager::ForwardTransaction(bool aScheduleComposite)
{
TimeStamp start = TimeStamp::Now();
// Skip the synchronization for buffer since we also skip the painting during
// device-reset status.
if (!gfxPlatform::GetPlatform()->DidRenderingDeviceReset()) {
if (mForwarder->GetSyncObject()) {
mForwarder->GetSyncObject()->FinalizeFrame();
}
}
mPhase = PHASE_FORWARD;
mLatestTransactionId = mTransactionIdAllocator->GetTransactionId();
TimeStamp transactionStart;
if (!mTransactionIdAllocator->GetTransactionStart().IsNull()) {
transactionStart = mTransactionIdAllocator->GetTransactionStart();
} else {
transactionStart = mTransactionStart;
}
if (gfxPrefs::AlwaysPaint() && XRE_IsContentProcess()) {
mForwarder->SendPaintTime(mLatestTransactionId, mLastPaintTime);
}
// forward this transaction's changeset to our LayerManagerComposite
bool sent;
AutoTArray<EditReply, 10> replies;
if (mForwarder->EndTransaction(&replies, mRegionToClear,
mLatestTransactionId, aScheduleComposite, mPaintSequenceNumber,
mIsRepeatTransaction, transactionStart, &sent)) {
for (nsTArray<EditReply>::size_type i = 0; i < replies.Length(); ++i) {
const EditReply& reply = replies[i];
switch (reply.type()) {
case EditReply::TOpContentBufferSwap: {
MOZ_LAYERS_LOG(("[LayersForwarder] DoubleBufferSwap"));
const OpContentBufferSwap& obs = reply.get_OpContentBufferSwap();
RefPtr<CompositableClient> compositable =
CompositableClient::FromIPDLActor(obs.compositableChild());
ContentClientRemote* contentClient =
static_cast<ContentClientRemote*>(compositable.get());
MOZ_ASSERT(contentClient);
contentClient->SwapBuffers(obs.frontUpdatedRegion());
break;
}
default:
MOZ_CRASH("not reached");
}
}
if (sent) {
mNeedsComposite = false;
}
} else if (HasShadowManager()) {
NS_WARNING("failed to forward Layers transaction");
}
if (!sent) {
// Clear the transaction id so that it doesn't get returned
// unless we forwarded to somewhere that doesn't actually
// have a compositor.
mTransactionIdAllocator->RevokeTransactionId(mLatestTransactionId);
}
mPhase = PHASE_NONE;
// this may result in Layers being deleted, which results in
// PLayer::Send__delete__() and DeallocShmem()
mKeepAlive.Clear();
TabChild* window = mWidget ? mWidget->GetOwningTabChild() : nullptr;
if (window) {
TimeStamp end = TimeStamp::Now();
window->DidRequestComposite(start, end);
}
}
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
const TargetConfig& targetConfig,
const bool& isFirstPaint,
InfallibleTArray<EditReply>* reply)
{
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeStamp updateStart = TimeStamp::Now();
#endif
MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
if (mDestroyed || !layer_manager() || layer_manager()->IsDestroyed()) {
return true;
}
EditReplyVector replyv;
layer_manager()->BeginTransactionWithTarget(NULL);
for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
const Edit& edit = cset[i];
switch (edit.type()) {
// Create* ops
case Edit::TOpCreateThebesLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));
nsRefPtr<ThebesLayerComposite> layer =
layer_manager()->CreateThebesLayerComposite();
AsLayerComposite(edit.get_OpCreateThebesLayer())->Bind(layer);
break;
}
case Edit::TOpCreateContainerLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
nsRefPtr<ContainerLayer> layer = layer_manager()->CreateContainerLayerComposite();
AsLayerComposite(edit.get_OpCreateContainerLayer())->Bind(layer);
break;
}
case Edit::TOpCreateImageLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
nsRefPtr<ImageLayerComposite> layer =
layer_manager()->CreateImageLayerComposite();
AsLayerComposite(edit.get_OpCreateImageLayer())->Bind(layer);
break;
}
case Edit::TOpCreateColorLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
nsRefPtr<ColorLayerComposite> layer = layer_manager()->CreateColorLayerComposite();
AsLayerComposite(edit.get_OpCreateColorLayer())->Bind(layer);
break;
}
case Edit::TOpCreateCanvasLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
nsRefPtr<CanvasLayerComposite> layer =
layer_manager()->CreateCanvasLayerComposite();
AsLayerComposite(edit.get_OpCreateCanvasLayer())->Bind(layer);
break;
}
case Edit::TOpCreateRefLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));
nsRefPtr<RefLayerComposite> layer =
layer_manager()->CreateRefLayerComposite();
AsLayerComposite(edit.get_OpCreateRefLayer())->Bind(layer);
break;
}
// Attributes
case Edit::TOpSetLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
Layer* layer = AsLayerComposite(osla)->AsLayer();
const LayerAttributes& attrs = osla.attrs();
const CommonLayerAttributes& common = attrs.common();
layer->SetVisibleRegion(common.visibleRegion());
layer->SetContentFlags(common.contentFlags());
layer->SetOpacity(common.opacity());
layer->SetClipRect(common.useClipRect() ? &common.clipRect() : NULL);
layer->SetBaseTransform(common.transform().value());
layer->SetPostScale(common.postXScale(), common.postYScale());
layer->SetIsFixedPosition(common.isFixedPosition());
layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
layer->SetFixedPositionMargins(common.fixedPositionMargin());
if (PLayerParent* maskLayer = common.maskLayerParent()) {
layer->SetMaskLayer(cast(maskLayer)->AsLayer());
} else {
layer->SetMaskLayer(NULL);
}
layer->SetAnimations(common.animations());
typedef SpecificLayerAttributes Specific;
const SpecificLayerAttributes& specific = attrs.specific();
switch (specific.type()) {
case Specific::Tnull_t:
break;
case Specific::TThebesLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] thebes layer"));
ThebesLayerComposite* thebesLayer =
static_cast<ThebesLayerComposite*>(layer);
const ThebesLayerAttributes& attrs =
specific.get_ThebesLayerAttributes();
thebesLayer->SetValidRegion(attrs.validRegion());
break;
}
case Specific::TContainerLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] container layer"));
ContainerLayer* containerLayer =
static_cast<ContainerLayer*>(layer);
const ContainerLayerAttributes& attrs =
specific.get_ContainerLayerAttributes();
containerLayer->SetFrameMetrics(attrs.metrics());
containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
break;
}
case Specific::TColorLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] color layer"));
static_cast<ColorLayer*>(layer)->SetColor(
specific.get_ColorLayerAttributes().color().value());
break;
case Specific::TCanvasLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
static_cast<CanvasLayer*>(layer)->SetFilter(
specific.get_CanvasLayerAttributes().filter());
static_cast<CanvasLayerComposite*>(layer)->SetBounds(
specific.get_CanvasLayerAttributes().bounds());
break;
case Specific::TRefLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] ref layer"));
static_cast<RefLayer*>(layer)->SetReferentId(
specific.get_RefLayerAttributes().id());
break;
case Specific::TImageLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] image layer"));
ImageLayer* imageLayer = static_cast<ImageLayer*>(layer);
const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
imageLayer->SetFilter(attrs.filter());
imageLayer->SetScaleToSize(attrs.scaleToSize(), attrs.scaleMode());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
break;
}
case Edit::TOpSetColoredBorders: {
if (edit.get_OpSetColoredBorders().enabled()) {
mLayerManager->GetCompositor()->EnableColoredBorders();
} else {
mLayerManager->GetCompositor()->DisableColoredBorders();
}
break;
}
// Tree ops
case Edit::TOpSetRoot: {
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
mRoot = AsLayerComposite(edit.get_OpSetRoot())->AsContainer();
break;
}
case Edit::TOpInsertAfter: {
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
const OpInsertAfter& oia = edit.get_OpInsertAfter();
ShadowContainer(oia)->AsContainer()->InsertAfter(
ShadowChild(oia)->AsLayer(), ShadowAfter(oia)->AsLayer());
break;
}
case Edit::TOpAppendChild: {
MOZ_LAYERS_LOG(("[ParentSide] AppendChild"));
const OpAppendChild& oac = edit.get_OpAppendChild();
ShadowContainer(oac)->AsContainer()->InsertAfter(
ShadowChild(oac)->AsLayer(), NULL);
break;
}
case Edit::TOpRemoveChild: {
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
const OpRemoveChild& orc = edit.get_OpRemoveChild();
Layer* childLayer = ShadowChild(orc)->AsLayer();
ShadowContainer(orc)->AsContainer()->RemoveChild(childLayer);
break;
}
case Edit::TOpRepositionChild: {
MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));
const OpRepositionChild& orc = edit.get_OpRepositionChild();
ShadowContainer(orc)->AsContainer()->RepositionChild(
ShadowChild(orc)->AsLayer(), ShadowAfter(orc)->AsLayer());
break;
}
case Edit::TOpRaiseToTopChild: {
MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));
const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
ShadowContainer(rtc)->AsContainer()->RepositionChild(
ShadowChild(rtc)->AsLayer(), NULL);
break;
}
case Edit::TCompositableOperation: {
ReceiveCompositableUpdate(edit.get_CompositableOperation(),
replyv);
break;
}
case Edit::TOpAttachCompositable: {
const OpAttachCompositable& op = edit.get_OpAttachCompositable();
Attach(cast(op.layerParent()), cast(op.compositableParent()));
break;
}
case Edit::TOpAttachAsyncCompositable: {
const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
CompositableParent* compositableParent = CompositableMap::Get(op.containerID());
MOZ_ASSERT(compositableParent, "CompositableParent not found in the map");
Attach(cast(op.layerParent()), compositableParent);
compositableParent->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
layer_manager()->EndTransaction(NULL, NULL, LayerManager::END_NO_IMMEDIATE_REDRAW);
if (reply) {
reply->SetCapacity(replyv.size());
if (replyv.size() > 0) {
reply->AppendElements(&replyv.front(), replyv.size());
}
}
// Ensure that any pending operations involving back and front
// buffers have completed, so that neither process stomps on the
// other's buffer contents.
LayerManagerComposite::PlatformSyncBeforeReplyUpdate();
mShadowLayersManager->ShadowLayersUpdated(this, targetConfig, isFirstPaint);
#ifdef COMPOSITOR_PERFORMANCE_WARNING
int compositeTime = (int)(mozilla::TimeStamp::Now() - updateStart).ToMilliseconds();
if (compositeTime > 15) {
printf_stderr("Compositor: Layers update took %i ms (blocking gecko).\n", compositeTime);
}
#endif
return true;
}
void
ClientLayerManager::ForwardTransaction(bool aScheduleComposite)
{
mPhase = PHASE_FORWARD;
mLatestTransactionId = mTransactionIdAllocator->GetTransactionId();
TimeStamp transactionStart;
if (!mTransactionIdAllocator->GetTransactionStart().IsNull()) {
transactionStart = mTransactionIdAllocator->GetTransactionStart();
} else {
transactionStart = mTransactionStart;
}
// forward this transaction's changeset to our LayerManagerComposite
bool sent;
AutoInfallibleTArray<EditReply, 10> replies;
if (mForwarder->EndTransaction(&replies, mRegionToClear,
mLatestTransactionId, aScheduleComposite, mPaintSequenceNumber,
mIsRepeatTransaction, transactionStart, &sent)) {
for (nsTArray<EditReply>::size_type i = 0; i < replies.Length(); ++i) {
const EditReply& reply = replies[i];
switch (reply.type()) {
case EditReply::TOpContentBufferSwap: {
MOZ_LAYERS_LOG(("[LayersForwarder] DoubleBufferSwap"));
const OpContentBufferSwap& obs = reply.get_OpContentBufferSwap();
CompositableClient* compositable =
CompositableClient::FromIPDLActor(obs.compositableChild());
ContentClientRemote* contentClient =
static_cast<ContentClientRemote*>(compositable);
MOZ_ASSERT(contentClient);
contentClient->SwapBuffers(obs.frontUpdatedRegion());
break;
}
case EditReply::TOpTextureSwap: {
MOZ_LAYERS_LOG(("[LayersForwarder] TextureSwap"));
const OpTextureSwap& ots = reply.get_OpTextureSwap();
CompositableClient* compositable =
CompositableClient::FromIPDLActor(ots.compositableChild());
MOZ_ASSERT(compositable);
compositable->SetDescriptorFromReply(ots.textureId(), ots.image());
break;
}
case EditReply::TReturnReleaseFence: {
const ReturnReleaseFence& rep = reply.get_ReturnReleaseFence();
FenceHandle fence = rep.fence();
PTextureChild* child = rep.textureChild();
if (!fence.IsValid() || !child) {
break;
}
RefPtr<TextureClient> texture = TextureClient::AsTextureClient(child);
if (texture) {
texture->SetReleaseFenceHandle(fence);
}
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
if (sent) {
mNeedsComposite = false;
}
} else if (HasShadowManager()) {
NS_WARNING("failed to forward Layers transaction");
}
if (!sent) {
// Clear the transaction id so that it doesn't get returned
// unless we forwarded to somewhere that doesn't actually
// have a compositor.
mTransactionIdAllocator->RevokeTransactionId(mLatestTransactionId);
}
mForwarder->RemoveTexturesIfNecessary();
mForwarder->SendPendingAsyncMessge();
mPhase = PHASE_NONE;
// this may result in Layers being deleted, which results in
// PLayer::Send__delete__() and DeallocShmem()
mKeepAlive.Clear();
}
bool
ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
const TargetConfig& targetConfig,
const bool& isFirstPaint,
InfallibleTArray<EditReply>* reply)
{
#ifdef COMPOSITOR_PERFORMANCE_WARNING
TimeStamp updateStart = TimeStamp::Now();
#endif
MOZ_LAYERS_LOG(("[ParentSide] received txn with %d edits", cset.Length()));
if (mDestroyed || layer_manager()->IsDestroyed()) {
return true;
}
EditReplyVector replyv;
layer_manager()->BeginTransactionWithTarget(NULL);
for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
const Edit& edit = cset[i];
switch (edit.type()) {
// Create* ops
case Edit::TOpCreateThebesLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));
nsRefPtr<ShadowThebesLayer> layer =
layer_manager()->CreateShadowThebesLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateThebesLayer())->Bind(layer);
break;
}
case Edit::TOpCreateContainerLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
nsRefPtr<ContainerLayer> layer = layer_manager()->CreateShadowContainerLayer();
AsShadowLayer(edit.get_OpCreateContainerLayer())->Bind(layer);
break;
}
case Edit::TOpCreateImageLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
nsRefPtr<ShadowImageLayer> layer =
layer_manager()->CreateShadowImageLayer();
AsShadowLayer(edit.get_OpCreateImageLayer())->Bind(layer);
break;
}
case Edit::TOpCreateColorLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
nsRefPtr<ShadowColorLayer> layer = layer_manager()->CreateShadowColorLayer();
AsShadowLayer(edit.get_OpCreateColorLayer())->Bind(layer);
break;
}
case Edit::TOpCreateCanvasLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
nsRefPtr<ShadowCanvasLayer> layer =
layer_manager()->CreateShadowCanvasLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateCanvasLayer())->Bind(layer);
break;
}
case Edit::TOpCreateRefLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateRefLayer"));
nsRefPtr<ShadowRefLayer> layer =
layer_manager()->CreateShadowRefLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateRefLayer())->Bind(layer);
break;
}
// Attributes
case Edit::TOpSetLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
Layer* layer = AsShadowLayer(osla)->AsLayer();
const LayerAttributes& attrs = osla.attrs();
const CommonLayerAttributes& common = attrs.common();
layer->SetVisibleRegion(common.visibleRegion());
layer->SetContentFlags(common.contentFlags());
layer->SetOpacity(common.opacity());
layer->SetClipRect(common.useClipRect() ? &common.clipRect() : NULL);
layer->SetBaseTransform(common.transform().value());
layer->SetPostScale(common.postXScale(), common.postYScale());
static bool fixedPositionLayersEnabled = getenv("MOZ_ENABLE_FIXED_POSITION_LAYERS") != 0;
if (fixedPositionLayersEnabled) {
layer->SetIsFixedPosition(common.isFixedPosition());
layer->SetFixedPositionAnchor(common.fixedPositionAnchor());
}
if (PLayerParent* maskLayer = common.maskLayerParent()) {
layer->SetMaskLayer(cast(maskLayer)->AsLayer());
} else {
layer->SetMaskLayer(NULL);
}
layer->SetAnimations(common.animations());
typedef SpecificLayerAttributes Specific;
const SpecificLayerAttributes& specific = attrs.specific();
switch (specific.type()) {
case Specific::Tnull_t:
break;
case Specific::TThebesLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] thebes layer"));
ShadowThebesLayer* thebesLayer =
static_cast<ShadowThebesLayer*>(layer);
const ThebesLayerAttributes& attrs =
specific.get_ThebesLayerAttributes();
thebesLayer->SetValidRegion(attrs.validRegion());
break;
}
case Specific::TContainerLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] container layer"));
ContainerLayer* containerLayer =
static_cast<ContainerLayer*>(layer);
const ContainerLayerAttributes& attrs =
specific.get_ContainerLayerAttributes();
containerLayer->SetFrameMetrics(attrs.metrics());
containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
break;
}
case Specific::TColorLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] color layer"));
static_cast<ColorLayer*>(layer)->SetColor(
specific.get_ColorLayerAttributes().color().value());
break;
case Specific::TCanvasLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
static_cast<CanvasLayer*>(layer)->SetFilter(
specific.get_CanvasLayerAttributes().filter());
break;
case Specific::TRefLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] ref layer"));
static_cast<RefLayer*>(layer)->SetReferentId(
specific.get_RefLayerAttributes().id());
break;
case Specific::TImageLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] image layer"));
ImageLayer* imageLayer = static_cast<ImageLayer*>(layer);
const ImageLayerAttributes& attrs = specific.get_ImageLayerAttributes();
imageLayer->SetFilter(attrs.filter());
imageLayer->SetForceSingleTile(attrs.forceSingleTile());
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
break;
}
// Tree ops
case Edit::TOpSetRoot: {
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
mRoot = AsShadowLayer(edit.get_OpSetRoot())->AsContainer();
break;
}
case Edit::TOpInsertAfter: {
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
const OpInsertAfter& oia = edit.get_OpInsertAfter();
ShadowContainer(oia)->AsContainer()->InsertAfter(
ShadowChild(oia)->AsLayer(), ShadowAfter(oia)->AsLayer());
break;
}
case Edit::TOpAppendChild: {
MOZ_LAYERS_LOG(("[ParentSide] AppendChild"));
const OpAppendChild& oac = edit.get_OpAppendChild();
ShadowContainer(oac)->AsContainer()->InsertAfter(
ShadowChild(oac)->AsLayer(), NULL);
break;
}
case Edit::TOpRemoveChild: {
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
const OpRemoveChild& orc = edit.get_OpRemoveChild();
Layer* childLayer = ShadowChild(orc)->AsLayer();
ShadowContainer(orc)->AsContainer()->RemoveChild(childLayer);
break;
}
case Edit::TOpRepositionChild: {
MOZ_LAYERS_LOG(("[ParentSide] RepositionChild"));
const OpRepositionChild& orc = edit.get_OpRepositionChild();
ShadowContainer(orc)->AsContainer()->RepositionChild(
ShadowChild(orc)->AsLayer(), ShadowAfter(orc)->AsLayer());
break;
}
case Edit::TOpRaiseToTopChild: {
MOZ_LAYERS_LOG(("[ParentSide] RaiseToTopChild"));
const OpRaiseToTopChild& rtc = edit.get_OpRaiseToTopChild();
ShadowContainer(rtc)->AsContainer()->RepositionChild(
ShadowChild(rtc)->AsLayer(), NULL);
break;
}
case Edit::TOpPaintTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpPaintTiledLayerBuffer& op = edit.get_OpPaintTiledLayerBuffer();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowThebesLayer* shadowLayer = static_cast<ShadowThebesLayer*>(shadow->AsLayer());
TiledLayerComposer* tileComposer = shadowLayer->AsTiledLayerComposer();
NS_ASSERTION(tileComposer, "shadowLayer is not a tile composer");
BasicTiledLayerBuffer* p = (BasicTiledLayerBuffer*)op.tiledLayerBuffer();
tileComposer->PaintedTiledLayerBuffer(p);
break;
}
case Edit::TOpPaintThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintThebesBuffer& op = edit.get_OpPaintThebesBuffer();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowThebesLayer* thebes =
static_cast<ShadowThebesLayer*>(shadow->AsLayer());
const ThebesBuffer& newFront = op.newFrontBuffer();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
OptionalThebesBuffer newBack;
nsIntRegion newValidRegion;
OptionalThebesBuffer readonlyFront;
nsIntRegion frontUpdatedRegion;
thebes->Swap(newFront, op.updatedRegion(),
&newBack, &newValidRegion,
&readonlyFront, &frontUpdatedRegion);
replyv.push_back(
OpThebesBufferSwap(
shadow, NULL,
newBack, newValidRegion,
readonlyFront, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
break;
}
case Edit::TOpPaintCanvas: {
MOZ_LAYERS_LOG(("[ParentSide] Paint CanvasLayer"));
const OpPaintCanvas& op = edit.get_OpPaintCanvas();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowCanvasLayer* canvas =
static_cast<ShadowCanvasLayer*>(shadow->AsLayer());
RenderTraceInvalidateStart(canvas, "FF00FF", canvas->GetVisibleRegion().GetBounds());
canvas->SetAllocator(this);
CanvasSurface newBack;
canvas->Swap(op.newFrontBuffer(), op.needYFlip(), &newBack);
canvas->Updated();
replyv.push_back(OpBufferSwap(shadow, NULL,
newBack));
RenderTraceInvalidateEnd(canvas, "FF00FF");
break;
}
case Edit::TOpPaintImage: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ImageLayer"));
const OpPaintImage& op = edit.get_OpPaintImage();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowImageLayer* image =
static_cast<ShadowImageLayer*>(shadow->AsLayer());
RenderTraceInvalidateStart(image, "FF00FF", image->GetVisibleRegion().GetBounds());
image->SetAllocator(this);
SharedImage newBack;
image->Swap(op.newFrontBuffer(), &newBack);
replyv.push_back(OpImageSwap(shadow, NULL,
newBack));
RenderTraceInvalidateEnd(image, "FF00FF");
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
layer_manager()->EndTransaction(NULL, NULL, LayerManager::END_NO_IMMEDIATE_REDRAW);
reply->SetCapacity(replyv.size());
if (replyv.size() > 0) {
reply->AppendElements(&replyv.front(), replyv.size());
}
// Ensure that any pending operations involving back and front
// buffers have completed, so that neither process stomps on the
// other's buffer contents.
ShadowLayerManager::PlatformSyncBeforeReplyUpdate();
mShadowLayersManager->ShadowLayersUpdated(this, targetConfig, isFirstPaint);
#ifdef COMPOSITOR_PERFORMANCE_WARNING
int compositeTime = (int)(mozilla::TimeStamp::Now() - updateStart).ToMilliseconds();
if (compositeTime > 15) {
printf_stderr("Compositor: Layers update took %i ms (blocking gecko).\n", compositeTime);
}
#endif
return true;
}
void
ContentClientDoubleBuffered::SyncFrontBufferToBackBuffer()
{
if (!mFrontAndBackBufferDiffer) {
return;
}
MOZ_ASSERT(mFrontClient);
MOZ_ASSERT(mFrontClient->GetAccessMode() == DeprecatedTextureClient::ACCESS_READ_ONLY);
MOZ_ASSERT(!mFrontClientOnWhite ||
mFrontClientOnWhite->GetAccessMode() == DeprecatedTextureClient::ACCESS_READ_ONLY);
MOZ_LAYERS_LOG(("BasicShadowableThebes(%p): reading back <x=%d,y=%d,w=%d,h=%d>",
this,
mFrontUpdatedRegion.GetBounds().x,
mFrontUpdatedRegion.GetBounds().y,
mFrontUpdatedRegion.GetBounds().width,
mFrontUpdatedRegion.GetBounds().height));
nsIntRegion updateRegion = mFrontUpdatedRegion;
int32_t xBoundary = mBufferRect.XMost() - mBufferRotation.x;
int32_t yBoundary = mBufferRect.YMost() - mBufferRotation.y;
// Figure out whether the area we want to copy wraps the edges of our buffer.
bool needFullCopy = (xBoundary < updateRegion.GetBounds().XMost() &&
xBoundary > updateRegion.GetBounds().x) ||
(yBoundary < updateRegion.GetBounds().YMost() &&
yBoundary > updateRegion.GetBounds().y);
// This is a tricky trade off, we're going to get stuff out of our
// frontbuffer now, but the next PaintThebes might throw it all (or mostly)
// away if the visible region has changed. This is why in reality we want
// this code integrated with PaintThebes to always do the optimal thing.
if (needFullCopy) {
// We can't easily draw our front buffer into us, since we're going to be
// copying stuff around anyway it's easiest if we just move our situation
// to non-rotated while we're at it. If this situation occurs we'll have
// hit a self-copy path in PaintThebes before as well anyway.
mBufferRect.MoveTo(mFrontBufferRect.TopLeft());
mBufferRotation = nsIntPoint();
updateRegion = mBufferRect;
} else {
mBufferRect = mFrontBufferRect;
mBufferRotation = mFrontBufferRotation;
}
AutoDeprecatedTextureClient autoTextureFront;
AutoDeprecatedTextureClient autoTextureFrontOnWhite;
if (SupportsAzureContent()) {
RotatedBuffer frontBuffer(autoTextureFront.GetDrawTarget(mFrontClient),
autoTextureFrontOnWhite.GetDrawTarget(mFrontClientOnWhite),
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
} else {
RotatedBuffer frontBuffer(autoTextureFront.GetSurface(mFrontClient),
autoTextureFrontOnWhite.GetSurface(mFrontClientOnWhite),
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
}
mIsNewBuffer = false;
mFrontAndBackBufferDiffer = false;
}
void
ContentClientDoubleBuffered::SyncFrontBufferToBackBuffer()
{
mIsNewBuffer = false;
if (!mFrontAndBackBufferDiffer) {
return;
}
MOZ_ASSERT(mFrontClient);
MOZ_ASSERT(mFrontClient->GetAccessMode() == DeprecatedTextureClient::ACCESS_READ_ONLY);
MOZ_ASSERT(!mFrontClientOnWhite ||
mFrontClientOnWhite->GetAccessMode() == DeprecatedTextureClient::ACCESS_READ_ONLY);
MOZ_LAYERS_LOG(("BasicShadowableThebes(%p): reading back <x=%d,y=%d,w=%d,h=%d>",
this,
mFrontUpdatedRegion.GetBounds().x,
mFrontUpdatedRegion.GetBounds().y,
mFrontUpdatedRegion.GetBounds().width,
mFrontUpdatedRegion.GetBounds().height));
nsIntRegion updateRegion = mFrontUpdatedRegion;
// This is a tricky trade off, we're going to get stuff out of our
// frontbuffer now, but the next PaintThebes might throw it all (or mostly)
// away if the visible region has changed. This is why in reality we want
// this code integrated with PaintThebes to always do the optimal thing.
if (mDidSelfCopy) {
mDidSelfCopy = false;
// We can't easily draw our front buffer into us, since we're going to be
// copying stuff around anyway it's easiest if we just move our situation
// to non-rotated while we're at it. If this situation occurs we'll have
// hit a self-copy path in PaintThebes before as well anyway.
mBufferRect.MoveTo(mFrontBufferRect.TopLeft());
mBufferRotation = nsIntPoint();
updateRegion = mBufferRect;
} else {
mBufferRect = mFrontBufferRect;
mBufferRotation = mFrontBufferRotation;
}
AutoDeprecatedTextureClient autoTextureFront;
AutoDeprecatedTextureClient autoTextureFrontOnWhite;
if (SupportsAzureContent()) {
// We need to ensure that we lock these two buffers in the same
// order as the compositor to prevent deadlocks.
DrawTarget* dt = autoTextureFront.GetDrawTarget(mFrontClient);
DrawTarget* dtOnWhite = autoTextureFrontOnWhite.GetDrawTarget(mFrontClientOnWhite);
RotatedBuffer frontBuffer(dt,
dtOnWhite,
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
} else {
gfxASurface* surf = autoTextureFront.GetSurface(mFrontClient);
gfxASurface* surfOnWhite = autoTextureFrontOnWhite.GetSurface(mFrontClientOnWhite);
RotatedBuffer frontBuffer(surf,
surfOnWhite,
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
}
mFrontAndBackBufferDiffer = false;
}
void
ClientLayerManager::BeginTransactionWithTarget(gfxContext* aTarget)
{
mInTransaction = true;
mTransactionStart = TimeStamp::Now();
#ifdef MOZ_LAYERS_HAVE_LOG
MOZ_LAYERS_LOG(("[----- BeginTransaction"));
Log();
#endif
NS_ASSERTION(!InTransaction(), "Nested transactions not allowed");
mPhase = PHASE_CONSTRUCTION;
MOZ_ASSERT(mKeepAlive.IsEmpty(), "uncommitted txn?");
nsRefPtr<gfxContext> targetContext = aTarget;
// If the last transaction was incomplete (a failed DoEmptyTransaction),
// don't signal a new transaction to ShadowLayerForwarder. Carry on adding
// to the previous transaction.
dom::ScreenOrientation orientation;
if (dom::TabChild* window = mWidget->GetOwningTabChild()) {
orientation = window->GetOrientation();
} else {
hal::ScreenConfiguration currentConfig;
hal::GetCurrentScreenConfiguration(¤tConfig);
orientation = currentConfig.orientation();
}
IntRect targetBounds = mWidget->GetNaturalBounds();
targetBounds.x = targetBounds.y = 0;
mForwarder->BeginTransaction(targetBounds, mTargetRotation, orientation);
// If we're drawing on behalf of a context with async pan/zoom
// enabled, then the entire buffer of painted layers might be
// composited (including resampling) asynchronously before we get
// a chance to repaint, so we have to ensure that it's all valid
// and not rotated.
//
// Desktop does not support async zoom yet, so we ignore this for those
// platforms.
#if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK)
if (mWidget && mWidget->GetOwningTabChild()) {
mCompositorMightResample = AsyncPanZoomEnabled();
}
#endif
// If we have a non-default target, we need to let our shadow manager draw
// to it. This will happen at the end of the transaction.
if (aTarget && XRE_IsParentProcess()) {
mShadowTarget = aTarget;
} else {
NS_ASSERTION(!aTarget,
"Content-process ClientLayerManager::BeginTransactionWithTarget not supported");
}
// If this is a new paint, increment the paint sequence number.
if (!mIsRepeatTransaction && gfxPrefs::APZTestLoggingEnabled()) {
++mPaintSequenceNumber;
mApzTestData.StartNewPaint(mPaintSequenceNumber);
}
}
// Sync front/back buffers content
// After executing, the new back buffer has the same (interesting) pixels as
// the new front buffer, and mValidRegion et al. are correct wrt the new
// back buffer (i.e. as they were for the old back buffer)
void
ContentClientDoubleBuffered::FinalizeFrame(const nsIntRegion& aRegionToDraw)
{
if (mTextureClient) {
DebugOnly<bool> locked = mTextureClient->Lock(OpenMode::OPEN_READ_WRITE);
MOZ_ASSERT(locked);
}
if (mTextureClientOnWhite) {
DebugOnly<bool> locked = mTextureClientOnWhite->Lock(OpenMode::OPEN_READ_WRITE);
MOZ_ASSERT(locked);
}
if (!mFrontAndBackBufferDiffer) {
MOZ_ASSERT(!mDidSelfCopy, "If we have to copy the world, then our buffers are different, right?");
return;
}
MOZ_ASSERT(mFrontClient);
if (!mFrontClient) {
return;
}
MOZ_LAYERS_LOG(("BasicShadowableThebes(%p): reading back <x=%d,y=%d,w=%d,h=%d>",
this,
mFrontUpdatedRegion.GetBounds().x,
mFrontUpdatedRegion.GetBounds().y,
mFrontUpdatedRegion.GetBounds().width,
mFrontUpdatedRegion.GetBounds().height));
mFrontAndBackBufferDiffer = false;
nsIntRegion updateRegion = mFrontUpdatedRegion;
if (mDidSelfCopy) {
mDidSelfCopy = false;
updateRegion = mBufferRect;
}
// No point in sync'ing what we are going to draw over anyway. And if there is
// nothing to sync at all, there is nothing to do and we can go home early.
updateRegion.Sub(updateRegion, aRegionToDraw);
if (updateRegion.IsEmpty()) {
return;
}
// We need to ensure that we lock these two buffers in the same
// order as the compositor to prevent deadlocks.
TextureClientAutoLock frontLock(mFrontClient, OpenMode::OPEN_READ_ONLY);
if (!frontLock.Succeeded()) {
return;
}
Maybe<TextureClientAutoLock> frontOnWhiteLock;
if (mFrontClientOnWhite) {
frontOnWhiteLock.emplace(mFrontClientOnWhite, OpenMode::OPEN_READ_ONLY);
if (!frontOnWhiteLock->Succeeded()) {
return;
}
}
// Restrict the DrawTargets and frontBuffer to a scope to make
// sure there is no more external references to the DrawTargets
// when we Unlock the TextureClients.
gfx::DrawTarget* dt = mFrontClient->BorrowDrawTarget();
gfx::DrawTarget* dtw = mFrontClientOnWhite ? mFrontClientOnWhite->BorrowDrawTarget() : nullptr;
if (dt && dt->IsValid()) {
RefPtr<SourceSurface> surf = dt->Snapshot();
RefPtr<SourceSurface> surfOnWhite = dtw ? dtw->Snapshot() : nullptr;
SourceRotatedBuffer frontBuffer(surf,
surfOnWhite,
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
} else {
// We know this can happen, but we want to track it somewhat, in case it leads
// to other problems.
gfxCriticalNote << "Invalid draw target(s) " << hexa(dt) << " and " << hexa(dtw);
}
}
bool
ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
InfallibleTArray<EditReply>* reply)
{
MOZ_LAYERS_LOG(("[ParentSide] recieved txn with %d edits", cset.Length()));
if (mDestroyed || layer_manager()->IsDestroyed()) {
return true;
}
EditReplyVector replyv;
layer_manager()->BeginTransactionWithTarget(NULL);
for (EditArray::index_type i = 0; i < cset.Length(); ++i) {
const Edit& edit = cset[i];
switch (edit.type()) {
// Create* ops
case Edit::TOpCreateThebesLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesLayer"));
nsRefPtr<ShadowThebesLayer> layer =
layer_manager()->CreateShadowThebesLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateThebesLayer())->Bind(layer);
break;
}
case Edit::TOpCreateContainerLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateContainerLayer"));
nsRefPtr<ContainerLayer> layer = layer_manager()->CreateShadowContainerLayer();
AsShadowLayer(edit.get_OpCreateContainerLayer())->Bind(layer);
break;
}
case Edit::TOpCreateImageLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageLayer"));
nsRefPtr<ShadowImageLayer> layer =
layer_manager()->CreateShadowImageLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateImageLayer())->Bind(layer);
break;
}
case Edit::TOpCreateColorLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateColorLayer"));
nsRefPtr<ShadowColorLayer> layer = layer_manager()->CreateShadowColorLayer();
AsShadowLayer(edit.get_OpCreateColorLayer())->Bind(layer);
break;
}
case Edit::TOpCreateCanvasLayer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasLayer"));
nsRefPtr<ShadowCanvasLayer> layer =
layer_manager()->CreateShadowCanvasLayer();
layer->SetAllocator(this);
AsShadowLayer(edit.get_OpCreateCanvasLayer())->Bind(layer);
break;
}
case Edit::TOpCreateThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateThebesBuffer"));
const OpCreateThebesBuffer& otb = edit.get_OpCreateThebesBuffer();
ShadowThebesLayer* thebes = static_cast<ShadowThebesLayer*>(
AsShadowLayer(otb)->AsLayer());
thebes->SetFrontBuffer(otb.initialFront(), otb.frontValidRegion(),
otb.xResolution(), otb.yResolution());
break;
}
case Edit::TOpCreateCanvasBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateCanvasBuffer"));
const OpCreateCanvasBuffer& ocb = edit.get_OpCreateCanvasBuffer();
ShadowCanvasLayer* canvas = static_cast<ShadowCanvasLayer*>(
AsShadowLayer(ocb)->AsLayer());
canvas->Init(ocb.initialFront(), ocb.size());
break;
}
case Edit::TOpCreateImageBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] CreateImageBuffer"));
const OpCreateImageBuffer ocb = edit.get_OpCreateImageBuffer();
ShadowImageLayer* image = static_cast<ShadowImageLayer*>(
AsShadowLayer(ocb)->AsLayer());
image->Init(ocb.initialFront(), ocb.size());
break;
}
case Edit::TOpDestroyThebesFrontBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] DestroyThebesFrontBuffer"));
const OpDestroyThebesFrontBuffer& odfb =
edit.get_OpDestroyThebesFrontBuffer();
ShadowThebesLayer* thebes = static_cast<ShadowThebesLayer*>(
AsShadowLayer(odfb)->AsLayer());
thebes->DestroyFrontBuffer();
break;
}
case Edit::TOpDestroyCanvasFrontBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] DestroyCanvasFrontBuffer"));
const OpDestroyCanvasFrontBuffer& odfb =
edit.get_OpDestroyCanvasFrontBuffer();
ShadowCanvasLayer* canvas = static_cast<ShadowCanvasLayer*>(
AsShadowLayer(odfb)->AsLayer());
canvas->DestroyFrontBuffer();
break;
}
case Edit::TOpDestroyImageFrontBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] DestroyImageFrontBuffer"));
const OpDestroyImageFrontBuffer& odfb =
edit.get_OpDestroyImageFrontBuffer();
ShadowImageLayer* image = static_cast<ShadowImageLayer*>(
AsShadowLayer(odfb)->AsLayer());
image->DestroyFrontBuffer();
break;
}
// Attributes
case Edit::TOpSetLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] SetLayerAttributes"));
const OpSetLayerAttributes& osla = edit.get_OpSetLayerAttributes();
Layer* layer = AsShadowLayer(osla)->AsLayer();
const LayerAttributes& attrs = osla.attrs();
const CommonLayerAttributes& common = attrs.common();
layer->SetVisibleRegion(common.visibleRegion());
layer->SetContentFlags(common.contentFlags());
layer->SetOpacity(common.opacity());
layer->SetClipRect(common.useClipRect() ? &common.clipRect() : NULL);
layer->SetTransform(common.transform());
layer->SetTileSourceRect(common.useTileSourceRect() ? &common.tileSourceRect() : NULL);
layer->SetIsFixedPosition(common.isFixedPosition());
typedef SpecificLayerAttributes Specific;
const SpecificLayerAttributes& specific = attrs.specific();
switch (specific.type()) {
case Specific::Tnull_t:
break;
case Specific::TThebesLayerAttributes: {
MOZ_LAYERS_LOG(("[ParentSide] thebes layer"));
ShadowThebesLayer* thebesLayer =
static_cast<ShadowThebesLayer*>(layer);
const ThebesLayerAttributes& attrs =
specific.get_ThebesLayerAttributes();
thebesLayer->SetValidRegion(attrs.validRegion());
thebesLayer->SetResolution(attrs.xResolution(), attrs.yResolution());
break;
}
case Specific::TContainerLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] container layer"));
static_cast<ContainerLayer*>(layer)->SetFrameMetrics(
specific.get_ContainerLayerAttributes().metrics());
break;
case Specific::TColorLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] color layer"));
static_cast<ColorLayer*>(layer)->SetColor(
specific.get_ColorLayerAttributes().color());
break;
case Specific::TCanvasLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] canvas layer"));
static_cast<CanvasLayer*>(layer)->SetFilter(
specific.get_CanvasLayerAttributes().filter());
break;
case Specific::TImageLayerAttributes:
MOZ_LAYERS_LOG(("[ParentSide] image layer"));
static_cast<ImageLayer*>(layer)->SetFilter(
specific.get_ImageLayerAttributes().filter());
break;
default:
NS_RUNTIMEABORT("not reached");
}
break;
}
// Tree ops
case Edit::TOpSetRoot: {
MOZ_LAYERS_LOG(("[ParentSide] SetRoot"));
mRoot = AsShadowLayer(edit.get_OpSetRoot())->AsContainer();
break;
}
case Edit::TOpInsertAfter: {
MOZ_LAYERS_LOG(("[ParentSide] InsertAfter"));
const OpInsertAfter& oia = edit.get_OpInsertAfter();
ShadowContainer(oia)->AsContainer()->InsertAfter(
ShadowChild(oia)->AsLayer(), ShadowAfter(oia)->AsLayer());
break;
}
case Edit::TOpAppendChild: {
MOZ_LAYERS_LOG(("[ParentSide] AppendChild"));
const OpAppendChild& oac = edit.get_OpAppendChild();
ShadowContainer(oac)->AsContainer()->InsertAfter(
ShadowChild(oac)->AsLayer(), NULL);
break;
}
case Edit::TOpRemoveChild: {
MOZ_LAYERS_LOG(("[ParentSide] RemoveChild"));
const OpRemoveChild& orc = edit.get_OpRemoveChild();
Layer* childLayer = ShadowChild(orc)->AsLayer();
ShadowContainer(orc)->AsContainer()->RemoveChild(childLayer);
break;
}
case Edit::TOpPaintThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintThebesBuffer& op = edit.get_OpPaintThebesBuffer();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowThebesLayer* thebes =
static_cast<ShadowThebesLayer*>(shadow->AsLayer());
const ThebesBuffer& newFront = op.newFrontBuffer();
ThebesBuffer newBack;
nsIntRegion newValidRegion;
float newXResolution, newYResolution;
OptionalThebesBuffer readonlyFront;
nsIntRegion frontUpdatedRegion;
thebes->Swap(newFront, op.updatedRegion(),
&newBack, &newValidRegion, &newXResolution, &newYResolution,
&readonlyFront, &frontUpdatedRegion);
replyv.push_back(
OpThebesBufferSwap(
shadow, NULL,
newBack, newValidRegion, newXResolution, newYResolution,
readonlyFront, frontUpdatedRegion));
break;
}
case Edit::TOpPaintCanvas: {
MOZ_LAYERS_LOG(("[ParentSide] Paint CanvasLayer"));
const OpPaintCanvas& op = edit.get_OpPaintCanvas();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowCanvasLayer* canvas =
static_cast<ShadowCanvasLayer*>(shadow->AsLayer());
SurfaceDescriptor newFront = op.newFrontBuffer();
SurfaceDescriptor newBack;
canvas->Swap(op.newFrontBuffer(), &newBack);
if (newFront == newBack) {
newFront = SurfaceDescriptor();
}
canvas->Updated();
replyv.push_back(OpBufferSwap(shadow, NULL,
newBack));
break;
}
case Edit::TOpPaintImage: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ImageLayer"));
const OpPaintImage& op = edit.get_OpPaintImage();
ShadowLayerParent* shadow = AsShadowLayer(op);
ShadowImageLayer* image =
static_cast<ShadowImageLayer*>(shadow->AsLayer());
SurfaceDescriptor newFront = op.newFrontBuffer();
SurfaceDescriptor newBack;
image->Swap(op.newFrontBuffer(), &newBack);
if (newFront == newBack) {
newFront = SurfaceDescriptor();
}
replyv.push_back(OpBufferSwap(shadow, NULL,
newBack));
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
layer_manager()->EndTransaction(NULL, NULL);
reply->SetCapacity(replyv.size());
if (replyv.size() > 0) {
reply->AppendElements(&replyv.front(), replyv.size());
}
// Ensure that any pending operations involving back and front
// buffers have completed, so that neither process stomps on the
// other's buffer contents.
ShadowLayerManager::PlatformSyncBeforeReplyUpdate();
Frame()->ShadowLayersUpdated();
return true;
}
void
LayerManagerComposite::EndTransaction(DrawThebesLayerCallback aCallback,
void* aCallbackData,
EndTransactionFlags aFlags)
{
NS_ASSERTION(mInTransaction, "Didn't call BeginTransaction?");
NS_ASSERTION(!aCallback && !aCallbackData, "Not expecting callbacks here");
mInTransaction = false;
if (!mIsCompositorReady) {
return;
}
mIsCompositorReady = false;
#ifdef MOZ_LAYERS_HAVE_LOG
MOZ_LAYERS_LOG((" ----- (beginning paint)"));
Log();
#endif
if (mDestroyed) {
NS_WARNING("Call on destroyed layer manager");
return;
}
if (mRoot && mClonedLayerTreeProperties) {
MOZ_ASSERT(!mTarget);
nsIntRegion invalid =
mClonedLayerTreeProperties->ComputeDifferences(mRoot, nullptr, &mGeometryChanged);
mClonedLayerTreeProperties = nullptr;
mInvalidRegion.Or(mInvalidRegion, invalid);
} else if (!mTarget) {
mInvalidRegion.Or(mInvalidRegion, mRenderBounds);
}
if (mRoot && !(aFlags & END_NO_IMMEDIATE_REDRAW)) {
if (aFlags & END_NO_COMPOSITE) {
// Apply pending tree updates before recomputing effective
// properties.
mRoot->ApplyPendingUpdatesToSubtree();
}
// The results of our drawing always go directly into a pixel buffer,
// so we don't need to pass any global transform here.
mRoot->ComputeEffectiveTransforms(gfx::Matrix4x4());
Render();
mGeometryChanged = false;
} else {
// Modified layer tree
mGeometryChanged = true;
}
mCompositor->ClearTargetContext();
mTarget = nullptr;
#ifdef MOZ_LAYERS_HAVE_LOG
Log();
MOZ_LAYERS_LOG(("]----- EndTransaction"));
#endif
}
// Sync front/back buffers content
// After executing, the new back buffer has the same (interesting) pixels as
// the new front buffer, and mValidRegion et al. are correct wrt the new
// back buffer (i.e. as they were for the old back buffer)
void
ContentClientDoubleBuffered::FinalizeFrame(const nsIntRegion& aRegionToDraw)
{
if (mTextureClient) {
DebugOnly<bool> locked = mTextureClient->Lock(OpenMode::OPEN_READ_WRITE);
MOZ_ASSERT(locked);
}
if (mTextureClientOnWhite) {
DebugOnly<bool> locked = mTextureClientOnWhite->Lock(OpenMode::OPEN_READ_WRITE);
MOZ_ASSERT(locked);
}
if (!mFrontAndBackBufferDiffer) {
MOZ_ASSERT(!mDidSelfCopy, "If we have to copy the world, then our buffers are different, right?");
return;
}
MOZ_ASSERT(mFrontClient);
if (!mFrontClient) {
return;
}
MOZ_LAYERS_LOG(("BasicShadowableThebes(%p): reading back <x=%d,y=%d,w=%d,h=%d>",
this,
mFrontUpdatedRegion.GetBounds().x,
mFrontUpdatedRegion.GetBounds().y,
mFrontUpdatedRegion.GetBounds().width,
mFrontUpdatedRegion.GetBounds().height));
mFrontAndBackBufferDiffer = false;
nsIntRegion updateRegion = mFrontUpdatedRegion;
if (mDidSelfCopy) {
mDidSelfCopy = false;
updateRegion = mBufferRect;
}
// No point in sync'ing what we are going to draw over anyway. And if there is
// nothing to sync at all, there is nothing to do and we can go home early.
updateRegion.Sub(updateRegion, aRegionToDraw);
if (updateRegion.IsEmpty()) {
return;
}
// We need to ensure that we lock these two buffers in the same
// order as the compositor to prevent deadlocks.
if (!mFrontClient->Lock(OpenMode::OPEN_READ_ONLY)) {
return;
}
if (mFrontClientOnWhite &&
!mFrontClientOnWhite->Lock(OpenMode::OPEN_READ_ONLY)) {
mFrontClient->Unlock();
return;
}
{
// Restrict the DrawTargets and frontBuffer to a scope to make
// sure there is no more external references to the DrawTargets
// when we Unlock the TextureClients.
RefPtr<SourceSurface> surf = mFrontClient->BorrowDrawTarget()->Snapshot();
RefPtr<SourceSurface> surfOnWhite = mFrontClientOnWhite
? mFrontClientOnWhite->BorrowDrawTarget()->Snapshot()
: nullptr;
SourceRotatedBuffer frontBuffer(surf,
surfOnWhite,
mFrontBufferRect,
mFrontBufferRotation);
UpdateDestinationFrom(frontBuffer, updateRegion);
}
mFrontClient->Unlock();
if (mFrontClientOnWhite) {
mFrontClientOnWhite->Unlock();
}
}
PRBool
ShadowLayerForwarder::EndTransaction(InfallibleTArray<EditReply>* aReplies)
{
NS_ABORT_IF_FALSE(HasShadowManager(), "no manager to forward to");
NS_ABORT_IF_FALSE(!mTxn->Finished(), "forgot BeginTransaction?");
AutoTxnEnd _(mTxn);
if (mTxn->Empty()) {
MOZ_LAYERS_LOG(("[LayersForwarder] 0-length cset (?), skipping Update()"));
return PR_TRUE;
}
MOZ_LAYERS_LOG(("[LayersForwarder] destroying buffers..."));
for (PRUint32 i = 0; i < mTxn->mDyingBuffers.Length(); ++i) {
DestroySharedSurface(&mTxn->mDyingBuffers[i]);
}
MOZ_LAYERS_LOG(("[LayersForwarder] building transaction..."));
// We purposely add attribute-change ops to the final changeset
// before we add paint ops. This allows layers to record the
// attribute changes before new pixels arrive, which can be useful
// for setting up back/front buffers.
for (ShadowableLayerSet::const_iterator it = mTxn->mMutants.begin();
it != mTxn->mMutants.end(); ++it) {
ShadowableLayer* shadow = *it;
Layer* mutant = shadow->AsLayer();
NS_ABORT_IF_FALSE(!!mutant, "unshadowable layer?");
LayerAttributes attrs;
CommonLayerAttributes& common = attrs.common();
common.visibleRegion() = mutant->GetVisibleRegion();
common.transform() = mutant->GetTransform();
common.contentFlags() = mutant->GetContentFlags();
common.opacity() = mutant->GetOpacity();
common.useClipRect() = !!mutant->GetClipRect();
common.clipRect() = (common.useClipRect() ?
*mutant->GetClipRect() : nsIntRect());
common.isFixedPosition() = mutant->GetIsFixedPosition();
common.useTileSourceRect() = !!mutant->GetTileSourceRect();
common.tileSourceRect() = (common.useTileSourceRect() ?
*mutant->GetTileSourceRect() : nsIntRect());
attrs.specific() = null_t();
mutant->FillSpecificAttributes(attrs.specific());
mTxn->AddEdit(OpSetLayerAttributes(NULL, Shadow(shadow), attrs));
}
AutoInfallibleTArray<Edit, 10> cset;
size_t nCsets = mTxn->mCset.size() + mTxn->mPaints.size();
NS_ABORT_IF_FALSE(nCsets > 0, "should have bailed by now");
cset.SetCapacity(nCsets);
if (!mTxn->mCset.empty()) {
cset.AppendElements(&mTxn->mCset.front(), mTxn->mCset.size());
}
// Paints after non-paint ops, including attribute changes. See
// above.
if (!mTxn->mPaints.empty()) {
cset.AppendElements(&mTxn->mPaints.front(), mTxn->mPaints.size());
}
MOZ_LAYERS_LOG(("[LayersForwarder] syncing before send..."));
PlatformSyncBeforeUpdate();
MOZ_LAYERS_LOG(("[LayersForwarder] sending transaction..."));
if (!mShadowManager->SendUpdate(cset, aReplies)) {
MOZ_LAYERS_LOG(("[LayersForwarder] WARNING: sending transaction failed!"));
return PR_FALSE;
}
MOZ_LAYERS_LOG(("[LayersForwarder] ... done"));
return PR_TRUE;
}
bool
ClientLayerManager::EndTransactionInternal(DrawPaintedLayerCallback aCallback,
void* aCallbackData,
EndTransactionFlags)
{
PaintTelemetry::AutoRecord record(PaintTelemetry::Metric::Rasterization);
PROFILER_LABEL("ClientLayerManager", "EndTransactionInternal",
js::ProfileEntry::Category::GRAPHICS);
#ifdef MOZ_LAYERS_HAVE_LOG
MOZ_LAYERS_LOG((" ----- (beginning paint)"));
Log();
#endif
profiler_tracing("Paint", "Rasterize", TRACING_INTERVAL_START);
NS_ASSERTION(InConstruction(), "Should be in construction phase");
mPhase = PHASE_DRAWING;
ClientLayer* root = ClientLayer::ToClientLayer(GetRoot());
mTransactionIncomplete = false;
// Apply pending tree updates before recomputing effective
// properties.
GetRoot()->ApplyPendingUpdatesToSubtree();
mPaintedLayerCallback = aCallback;
mPaintedLayerCallbackData = aCallbackData;
GetRoot()->ComputeEffectiveTransforms(Matrix4x4());
// Skip the painting if the device is in device-reset status.
if (!gfxPlatform::GetPlatform()->DidRenderingDeviceReset()) {
if (gfxPrefs::AlwaysPaint() && XRE_IsContentProcess()) {
TimeStamp start = TimeStamp::Now();
root->RenderLayer();
mLastPaintTime = TimeStamp::Now() - start;
} else {
root->RenderLayer();
}
} else {
gfxCriticalNote << "LayerManager::EndTransaction skip RenderLayer().";
}
if (!mRepeatTransaction && !GetRoot()->GetInvalidRegion().IsEmpty()) {
GetRoot()->Mutated();
}
if (!mIsRepeatTransaction) {
mAnimationReadyTime = TimeStamp::Now();
GetRoot()->StartPendingAnimations(mAnimationReadyTime);
}
mPaintedLayerCallback = nullptr;
mPaintedLayerCallbackData = nullptr;
// Go back to the construction phase if the transaction isn't complete.
// Layout will update the layer tree and call EndTransaction().
mPhase = mTransactionIncomplete ? PHASE_CONSTRUCTION : PHASE_NONE;
NS_ASSERTION(!aCallback || !mTransactionIncomplete,
"If callback is not null, transaction must be complete");
if (gfxPlatform::GetPlatform()->DidRenderingDeviceReset()) {
FrameLayerBuilder::InvalidateAllLayers(this);
}
return !mTransactionIncomplete;
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpCreatedSingleBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Created single buffer"));
const OpCreatedSingleBuffer& op = aEdit.get_OpCreatedSingleBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
TextureParent* textureParent = static_cast<TextureParent*>(op.bufferParent());
textureParent->EnsureTextureHost(op.descriptor().type());
textureParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.descriptor()),
compositableParent->GetCompositableManager());
ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost());
content->SetTextureHosts(textureParent->GetTextureHost());
break;
}
case CompositableOperation::TOpCreatedDoubleBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
const OpCreatedDoubleBuffer& op = aEdit.get_OpCreatedDoubleBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
TextureParent* frontParent = static_cast<TextureParent*>(op.frontParent());
TextureParent* backParent = static_cast<TextureParent*>(op.backParent());
frontParent->EnsureTextureHost(op.frontDescriptor().type());
backParent->EnsureTextureHost(op.backDescriptor().type());
frontParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.frontDescriptor()),
compositableParent->GetCompositableManager());
backParent->GetTextureHost()->SetBuffer(new SurfaceDescriptor(op.backDescriptor()),
compositableParent->GetCompositableManager());
ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost());
content->SetTextureHosts(frontParent->GetTextureHost(),
backParent->GetTextureHost());
break;
}
case CompositableOperation::TOpDestroyThebesBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Created double buffer"));
const OpDestroyThebesBuffer& op = aEdit.get_OpDestroyThebesBuffer();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
ContentHostBase* content = static_cast<ContentHostBase*>(compositableParent->GetCompositableHost());
content->DestroyTextures();
break;
}
case CompositableOperation::TOpPaintTexture: {
MOZ_LAYERS_LOG(("[ParentSide] Paint Texture X"));
const OpPaintTexture& op = aEdit.get_OpPaintTexture();
TextureParent* textureParent = static_cast<TextureParent*>(op.textureParent());
CompositableHost* compositable = textureParent->GetCompositableHost();
Layer* layer = GetLayerFromOpPaint(op);
ShadowLayer* shadowLayer = layer ? layer->AsShadowLayer() : nullptr;
if (shadowLayer) {
Compositor* compositor = static_cast<LayerManagerComposite*>(layer->Manager())->GetCompositor();
compositable->SetCompositor(compositor);
compositable->SetLayer(layer);
} else {
// if we reach this branch, it most likely means that async textures
// are coming in before we had time to attach the conmpositable to a
// layer. Don't panic, it is okay in this case. it should not be
// happening continuously, though.
}
if (layer) {
RenderTraceInvalidateStart(layer, "FF00FF", layer->GetVisibleRegion().GetBounds());
}
const SurfaceDescriptor& descriptor = op.image();
textureParent->EnsureTextureHost(descriptor.type());
MOZ_ASSERT(textureParent->GetTextureHost());
SurfaceDescriptor newBack;
bool shouldRecomposite = compositable->Update(op.image(), &newBack);
if (IsSurfaceDescriptorValid(newBack)) {
replyv.push_back(OpTextureSwap(op.textureParent(), nullptr, newBack));
}
if (shouldRecomposite && textureParent->GetCompositorID()) {
CompositorParent* cp
= CompositorParent::GetCompositor(textureParent->GetCompositorID());
if (cp) {
cp->ScheduleComposition();
}
}
if (layer) {
RenderTraceInvalidateEnd(layer, "FF00FF");
}
break;
}
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint ThebesLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableParent* compositableParent = static_cast<CompositableParent*>(op.compositableParent());
CompositableHost* compositable =
compositableParent->GetCompositableHost();
ShadowThebesLayer* thebes =
static_cast<ShadowThebesLayer*>(compositable->GetLayer());
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion);
replyv.push_back(
OpContentBufferSwap(compositableParent, nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
break;
}
case CompositableOperation::TOpUpdatePictureRect: {
const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
CompositableHost* compositable
= static_cast<CompositableParent*>(op.compositableParent())->GetCompositableHost();
MOZ_ASSERT(compositable);
compositable->SetPictureRect(op.picture());
break;
}
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
bool
CompositableParentManager::ReceiveCompositableUpdate(const CompositableOperation& aEdit,
EditReplyVector& replyv)
{
switch (aEdit.type()) {
case CompositableOperation::TOpPaintTextureRegion: {
MOZ_LAYERS_LOG(("[ParentSide] Paint PaintedLayer"));
const OpPaintTextureRegion& op = aEdit.get_OpPaintTextureRegion();
CompositableHost* compositable = AsCompositable(op);
Layer* layer = compositable->GetLayer();
if (!layer || layer->GetType() != Layer::TYPE_PAINTED) {
return false;
}
PaintedLayerComposite* thebes = static_cast<PaintedLayerComposite*>(layer);
const ThebesBufferData& bufferData = op.bufferData();
RenderTraceInvalidateStart(thebes, "FF00FF", op.updatedRegion().GetBounds());
nsIntRegion frontUpdatedRegion;
if (!compositable->UpdateThebes(bufferData,
op.updatedRegion(),
thebes->GetValidRegion(),
&frontUpdatedRegion))
{
return false;
}
replyv.push_back(
OpContentBufferSwap(op.compositableParent(), nullptr, frontUpdatedRegion));
RenderTraceInvalidateEnd(thebes, "FF00FF");
break;
}
case CompositableOperation::TOpUpdatePictureRect: {
const OpUpdatePictureRect& op = aEdit.get_OpUpdatePictureRect();
CompositableHost* compositable = AsCompositable(op);
MOZ_ASSERT(compositable);
compositable->SetPictureRect(op.picture());
break;
}
case CompositableOperation::TOpUseTiledLayerBuffer: {
MOZ_LAYERS_LOG(("[ParentSide] Paint TiledLayerBuffer"));
const OpUseTiledLayerBuffer& op = aEdit.get_OpUseTiledLayerBuffer();
CompositableHost* compositable = AsCompositable(op);
TiledLayerComposer* tileComposer = compositable->AsTiledLayerComposer();
NS_ASSERTION(tileComposer, "compositable is not a tile composer");
const SurfaceDescriptorTiles& tileDesc = op.tileLayerDescriptor();
bool success = tileComposer->UseTiledLayerBuffer(this, tileDesc);
if (!success) {
return false;
}
break;
}
case CompositableOperation::TOpRemoveTexture: {
const OpRemoveTexture& op = aEdit.get_OpRemoveTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
// send FenceHandle if present.
SendFenceHandleIfPresent(op.textureParent(), compositable);
break;
}
case CompositableOperation::TOpRemoveTextureAsync: {
const OpRemoveTextureAsync& op = aEdit.get_OpRemoveTextureAsync();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->RemoveTextureHost(tex);
if (!IsAsync() && ImageBridgeParent::GetInstance(GetChildProcessId())) {
// send FenceHandle if present via ImageBridge.
ImageBridgeParent::SendFenceHandleToTrackerIfPresent(
GetChildProcessId(),
op.holderId(),
op.transactionId(),
op.textureParent(),
compositable);
// If the message is recievied via PLayerTransaction,
// Send message back via PImageBridge.
ImageBridgeParent::ReplyRemoveTexture(
GetChildProcessId(),
OpReplyRemoveTexture(true, // isMain
op.holderId(),
op.transactionId()));
} else {
// send FenceHandle if present.
SendFenceHandleIfPresent(op.textureParent(), compositable);
ReplyRemoveTexture(OpReplyRemoveTexture(false, // isMain
op.holderId(),
op.transactionId()));
}
break;
}
case CompositableOperation::TOpUseTexture: {
const OpUseTexture& op = aEdit.get_OpUseTexture();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> tex = TextureHost::AsTextureHost(op.textureParent());
MOZ_ASSERT(tex.get());
compositable->UseTextureHost(tex);
if (IsAsync() && compositable->GetLayer()) {
ScheduleComposition(op);
// Async layer updates don't trigger invalidation, manually tell the layer
// that its content have changed.
compositable->GetLayer()->SetInvalidRectToVisibleRegion();
}
break;
}
case CompositableOperation::TOpUseComponentAlphaTextures: {
const OpUseComponentAlphaTextures& op = aEdit.get_OpUseComponentAlphaTextures();
CompositableHost* compositable = AsCompositable(op);
RefPtr<TextureHost> texOnBlack = TextureHost::AsTextureHost(op.textureOnBlackParent());
RefPtr<TextureHost> texOnWhite = TextureHost::AsTextureHost(op.textureOnWhiteParent());
MOZ_ASSERT(texOnBlack && texOnWhite);
compositable->UseComponentAlphaTextures(texOnBlack, texOnWhite);
if (IsAsync()) {
ScheduleComposition(op);
}
break;
}
#ifdef MOZ_WIDGET_GONK
case CompositableOperation::TOpUseOverlaySource: {
const OpUseOverlaySource& op = aEdit.get_OpUseOverlaySource();
CompositableHost* compositable = AsCompositable(op);
MOZ_ASSERT(compositable->GetType() == CompositableType::IMAGE_OVERLAY, "Invalid operation!");
compositable->UseOverlaySource(op.overlay());
break;
}
#endif
default: {
MOZ_ASSERT(false, "bad type");
}
}
return true;
}
void
ClientLayerManager::ForwardTransaction()
{
mPhase = PHASE_FORWARD;
// forward this transaction's changeset to our LayerManagerComposite
AutoInfallibleTArray<EditReply, 10> replies;
if (HasShadowManager() && ShadowLayerForwarder::EndTransaction(&replies)) {
for (nsTArray<EditReply>::size_type i = 0; i < replies.Length(); ++i) {
const EditReply& reply = replies[i];
switch (reply.type()) {
case EditReply::TOpContentBufferSwap: {
MOZ_LAYERS_LOG(("[LayersForwarder] DoubleBufferSwap"));
const OpContentBufferSwap& obs = reply.get_OpContentBufferSwap();
CompositableChild* compositableChild =
static_cast<CompositableChild*>(obs.compositableChild());
ContentClientRemote* contentClient =
static_cast<ContentClientRemote*>(compositableChild->GetCompositableClient());
MOZ_ASSERT(contentClient);
contentClient->SwapBuffers(obs.frontUpdatedRegion());
break;
}
case EditReply::TOpTextureSwap: {
MOZ_LAYERS_LOG(("[LayersForwarder] TextureSwap"));
const OpTextureSwap& ots = reply.get_OpTextureSwap();
CompositableChild* compositableChild =
static_cast<CompositableChild*>(ots.compositableChild());
MOZ_ASSERT(compositableChild);
compositableChild->GetCompositableClient()
->SetDescriptorFromReply(ots.textureId(), ots.image());
break;
}
case EditReply::TReplyTextureRemoved: {
// XXX - to manage reuse of gralloc buffers, we'll need to add some
// glue code here to find the TextureClient and invoke a callback to
// let the camera know that the gralloc buffer is not used anymore on
// the compositor side and that it can reuse it.
break;
}
default:
NS_RUNTIMEABORT("not reached");
}
}
} else if (HasShadowManager()) {
NS_WARNING("failed to forward Layers transaction");
}
mPhase = PHASE_NONE;
// this may result in Layers being deleted, which results in
// PLayer::Send__delete__() and DeallocShmem()
mKeepAlive.Clear();
}
