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
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
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;
}
void
BasicThebesLayer::PaintThebes(gfxContext* aContext,
Layer* aMaskLayer,
LayerManager::DrawThebesLayerCallback aCallback,
void* aCallbackData,
ReadbackProcessor* aReadback)
{
PROFILER_LABEL("BasicThebesLayer", "PaintThebes");
NS_ASSERTION(BasicManager()->InDrawing(),
"Can only draw in drawing phase");
nsTArray<ReadbackProcessor::Update> readbackUpdates;
if (aReadback && UsedForReadback()) {
aReadback->GetThebesLayerUpdates(this, &readbackUpdates);
}
float opacity = GetEffectiveOpacity();
CompositionOp effectiveOperator = GetEffectiveOperator(this);
if (!BasicManager()->IsRetained()) {
NS_ASSERTION(readbackUpdates.IsEmpty(), "Can't do readback for non-retained layer");
mValidRegion.SetEmpty();
mContentClient->Clear();
nsIntRegion toDraw = IntersectWithClip(GetEffectiveVisibleRegion(), aContext);
RenderTraceInvalidateStart(this, "FFFF00", toDraw.GetBounds());
if (!toDraw.IsEmpty() && !IsHidden()) {
if (!aCallback) {
BasicManager()->SetTransactionIncomplete();
return;
}
aContext->Save();
bool needsClipToVisibleRegion = GetClipToVisibleRegion();
bool needsGroup = opacity != 1.0 ||
effectiveOperator != CompositionOp::OP_OVER ||
aMaskLayer;
nsRefPtr<gfxContext> groupContext;
if (needsGroup) {
groupContext =
BasicManager()->PushGroupForLayer(aContext, this, toDraw,
&needsClipToVisibleRegion);
if (effectiveOperator != CompositionOp::OP_OVER) {
needsClipToVisibleRegion = true;
}
} else {
groupContext = aContext;
}
SetAntialiasingFlags(this, groupContext);
aCallback(this, groupContext, toDraw, DrawRegionClip::CLIP_NONE, nsIntRegion(), aCallbackData);
if (needsGroup) {
BasicManager()->PopGroupToSourceWithCachedSurface(aContext, groupContext);
if (needsClipToVisibleRegion) {
gfxUtils::ClipToRegion(aContext, toDraw);
}
AutoSetOperator setOptimizedOperator(aContext, ThebesOp(effectiveOperator));
PaintWithMask(aContext, opacity, aMaskLayer);
}
aContext->Restore();
}
RenderTraceInvalidateEnd(this, "FFFF00");
return;
}
if (BasicManager()->IsTransactionIncomplete())
return;
gfxRect clipExtents;
clipExtents = aContext->GetClipExtents();
// Pull out the mask surface and transform here, because the mask
// is internal to basic layers
AutoMoz2DMaskData mask;
SourceSurface* maskSurface = nullptr;
Matrix maskTransform;
if (GetMaskData(aMaskLayer, &mask)) {
maskSurface = mask.GetSurface();
maskTransform = mask.GetTransform();
}
if (!IsHidden() && !clipExtents.IsEmpty()) {
mContentClient->DrawTo(this, aContext->GetDrawTarget(), opacity,
GetOperator(),
maskSurface, &maskTransform);
}
for (uint32_t i = 0; i < readbackUpdates.Length(); ++i) {
ReadbackProcessor::Update& update = readbackUpdates[i];
nsIntPoint offset = update.mLayer->GetBackgroundLayerOffset();
nsRefPtr<gfxContext> ctx =
update.mLayer->GetSink()->BeginUpdate(update.mUpdateRect + offset,
update.mSequenceCounter);
if (ctx) {
NS_ASSERTION(opacity == 1.0, "Should only read back opaque layers");
ctx->Translate(gfxPoint(offset.x, offset.y));
mContentClient->DrawTo(this, ctx->GetDrawTarget(), 1.0,
CompositionOpForOp(ctx->CurrentOperator()),
maskSurface, &maskTransform);
update.mLayer->GetSink()->EndUpdate(ctx, update.mUpdateRect + offset);
}
}
}
void
BasicThebesLayer::Validate(LayerManager::DrawThebesLayerCallback aCallback,
void* aCallbackData)
{
if (!mContentClient) {
// This client will have a null Forwarder, which means it will not have
// a ContentHost on the other side.
mContentClient = new ContentClientBasic();
}
if (!BasicManager()->IsRetained()) {
return;
}
uint32_t flags = 0;
#ifndef MOZ_WIDGET_ANDROID
if (BasicManager()->CompositorMightResample()) {
flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE;
}
if (!(flags & RotatedContentBuffer::PAINT_WILL_RESAMPLE)) {
if (MayResample()) {
flags |= RotatedContentBuffer::PAINT_WILL_RESAMPLE;
}
}
#endif
if (mDrawAtomically) {
flags |= RotatedContentBuffer::PAINT_NO_ROTATION;
}
PaintState state =
mContentClient->BeginPaintBuffer(this, flags);
mValidRegion.Sub(mValidRegion, state.mRegionToInvalidate);
if (DrawTarget* target = mContentClient->BorrowDrawTargetForPainting(state)) {
// The area that became invalid and is visible needs to be repainted
// (this could be the whole visible area if our buffer switched
// from RGB to RGBA, because we might need to repaint with
// subpixel AA)
state.mRegionToInvalidate.And(state.mRegionToInvalidate,
GetEffectiveVisibleRegion());
SetAntialiasingFlags(this, target);
RenderTraceInvalidateStart(this, "FFFF00", state.mRegionToDraw.GetBounds());
nsRefPtr<gfxContext> ctx = gfxContext::ContextForDrawTarget(target);
PaintBuffer(ctx,
state.mRegionToDraw, state.mRegionToDraw, state.mRegionToInvalidate,
state.mDidSelfCopy,
state.mClip,
aCallback, aCallbackData);
MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) PaintThebes", this));
Mutated();
ctx = nullptr;
mContentClient->ReturnDrawTargetToBuffer(target);
RenderTraceInvalidateEnd(this, "FFFF00");
} else {
// It's possible that state.mRegionToInvalidate is nonempty here,
// if we are shrinking the valid region to nothing. So use mRegionToDraw
// instead.
NS_WARN_IF_FALSE(state.mRegionToDraw.IsEmpty(),
"No context when we have something to draw, resource exhaustion?");
}
}
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
BasicThebesLayer::PaintThebes(gfxContext* aContext,
Layer* aMaskLayer,
LayerManager::DrawThebesLayerCallback aCallback,
void* aCallbackData,
ReadbackProcessor* aReadback)
{
PROFILER_LABEL("BasicThebesLayer", "PaintThebes");
NS_ASSERTION(BasicManager()->InDrawing(),
"Can only draw in drawing phase");
nsRefPtr<gfxASurface> targetSurface = aContext->CurrentSurface();
if (!mContentClient) {
MOZ_ASSERT(!AsShadowableLayer() ||
!static_cast<BasicShadowableThebesLayer*>(AsShadowableLayer())->HasShadow(),
"OMTC layers must have a content client by now");
// we pass a null pointer for the Forwarder argument, which means
// this will not have a ContentHost on the other side.
mContentClient = new ContentClientBasic(nullptr, BasicManager());
}
nsTArray<ReadbackProcessor::Update> readbackUpdates;
if (aReadback && UsedForReadback()) {
aReadback->GetThebesLayerUpdates(this, &readbackUpdates);
}
//TODO: This is going to copy back pixels that we might end up
// drawing over anyway. It would be nice if we could avoid
// this duplication.
mContentClient->SyncFrontBufferToBackBuffer();
bool canUseOpaqueSurface = CanUseOpaqueSurface();
ContentType contentType =
canUseOpaqueSurface ? gfxASurface::CONTENT_COLOR :
gfxASurface::CONTENT_COLOR_ALPHA;
float opacity = GetEffectiveOpacity();
if (!BasicManager()->IsRetained()) {
NS_ASSERTION(readbackUpdates.IsEmpty(), "Can't do readback for non-retained layer");
mValidRegion.SetEmpty();
mContentClient->Clear();
nsIntRegion toDraw = IntersectWithClip(GetEffectiveVisibleRegion(), aContext);
RenderTraceInvalidateStart(this, "FFFF00", toDraw.GetBounds());
if (!toDraw.IsEmpty() && !IsHidden()) {
if (!aCallback) {
BasicManager()->SetTransactionIncomplete();
return;
}
aContext->Save();
bool needsClipToVisibleRegion = GetClipToVisibleRegion();
bool needsGroup =
opacity != 1.0 || GetOperator() != gfxContext::OPERATOR_OVER || aMaskLayer;
nsRefPtr<gfxContext> groupContext;
if (needsGroup) {
groupContext =
BasicManager()->PushGroupForLayer(aContext, this, toDraw,
&needsClipToVisibleRegion);
if (GetOperator() != gfxContext::OPERATOR_OVER) {
needsClipToVisibleRegion = true;
}
} else {
groupContext = aContext;
}
SetAntialiasingFlags(this, groupContext);
aCallback(this, groupContext, toDraw, nsIntRegion(), aCallbackData);
if (needsGroup) {
BasicManager()->PopGroupToSourceWithCachedSurface(aContext, groupContext);
if (needsClipToVisibleRegion) {
gfxUtils::ClipToRegion(aContext, toDraw);
}
AutoSetOperator setOperator(aContext, GetOperator());
PaintWithMask(aContext, opacity, aMaskLayer);
}
aContext->Restore();
}
RenderTraceInvalidateEnd(this, "FFFF00");
return;
}
{
uint32_t flags = 0;
#ifndef MOZ_WIDGET_ANDROID
if (BasicManager()->CompositorMightResample()) {
flags |= ThebesLayerBuffer::PAINT_WILL_RESAMPLE;
}
if (!(flags & ThebesLayerBuffer::PAINT_WILL_RESAMPLE)) {
if (MayResample()) {
flags |= ThebesLayerBuffer::PAINT_WILL_RESAMPLE;
}
}
#endif
if (mDrawAtomically) {
flags |= ThebesLayerBuffer::PAINT_NO_ROTATION;
}
PaintState state =
mContentClient->BeginPaintBuffer(this, contentType, flags);
mValidRegion.Sub(mValidRegion, state.mRegionToInvalidate);
if (state.mContext) {
// The area that became invalid and is visible needs to be repainted
// (this could be the whole visible area if our buffer switched
// from RGB to RGBA, because we might need to repaint with
// subpixel AA)
state.mRegionToInvalidate.And(state.mRegionToInvalidate,
GetEffectiveVisibleRegion());
nsIntRegion extendedDrawRegion = state.mRegionToDraw;
SetAntialiasingFlags(this, state.mContext);
RenderTraceInvalidateStart(this, "FFFF00", state.mRegionToDraw.GetBounds());
PaintBuffer(state.mContext,
state.mRegionToDraw, extendedDrawRegion, state.mRegionToInvalidate,
state.mDidSelfCopy,
aCallback, aCallbackData);
MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) PaintThebes", this));
Mutated();
RenderTraceInvalidateEnd(this, "FFFF00");
} else {
// It's possible that state.mRegionToInvalidate is nonempty here,
// if we are shrinking the valid region to nothing. So use mRegionToDraw
// instead.
NS_WARN_IF_FALSE(state.mRegionToDraw.IsEmpty(),
"No context when we have something to draw, resource exhaustion?");
}
}
if (BasicManager()->IsTransactionIncomplete())
return;
gfxRect clipExtents;
clipExtents = aContext->GetClipExtents();
// Pull out the mask surface and transform here, because the mask
// is internal to basic layers
AutoMaskData mask;
gfxASurface* maskSurface = nullptr;
const gfxMatrix* maskTransform = nullptr;
if (GetMaskData(aMaskLayer, &mask)) {
maskSurface = mask.GetSurface();
maskTransform = &mask.GetTransform();
}
if (!IsHidden() && !clipExtents.IsEmpty()) {
AutoSetOperator setOperator(aContext, GetOperator());
mContentClient->DrawTo(this, aContext, opacity, maskSurface, maskTransform);
}
for (uint32_t i = 0; i < readbackUpdates.Length(); ++i) {
ReadbackProcessor::Update& update = readbackUpdates[i];
nsIntPoint offset = update.mLayer->GetBackgroundLayerOffset();
nsRefPtr<gfxContext> ctx =
update.mLayer->GetSink()->BeginUpdate(update.mUpdateRect + offset,
update.mSequenceCounter);
if (ctx) {
NS_ASSERTION(opacity == 1.0, "Should only read back opaque layers");
ctx->Translate(gfxPoint(offset.x, offset.y));
mContentClient->DrawTo(this, ctx, 1.0, maskSurface, maskTransform);
update.mLayer->GetSink()->EndUpdate(ctx, update.mUpdateRect + offset);
}
}
}
