PLayerTransactionParent*
CompositorParent::AllocPLayerTransactionParent(const nsTArray<LayersBackend>& aBackendHints,
const uint64_t& aId,
TextureFactoryIdentifier* aTextureFactoryIdentifier,
bool *aSuccess)
{
MOZ_ASSERT(aId == 0);
// mWidget doesn't belong to the compositor thread, so it should be set to
// nullptr before returning from this method, to avoid accessing it elsewhere.
nsIntRect rect;
mWidget->GetClientBounds(rect);
InitializeLayerManager(aBackendHints);
mWidget = nullptr;
if (!mLayerManager) {
NS_WARNING("Failed to initialise Compositor");
*aSuccess = false;
LayerTransactionParent* p = new LayerTransactionParent(nullptr, this, 0,
// child side's process id is current process Id
base::GetProcId(base::GetCurrentProcessHandle()));
p->AddIPDLReference();
return p;
}
mCompositionManager = new AsyncCompositionManager(mLayerManager);
*aSuccess = true;
*aTextureFactoryIdentifier = mCompositor->GetTextureFactoryIdentifier();
LayerTransactionParent* p = new LayerTransactionParent(mLayerManager, this, 0,
// child side's process id is current process Id
base::GetProcId(base::GetCurrentProcessHandle()));
p->AddIPDLReference();
return p;
}
PLayerTransactionParent*
CrossProcessCompositorParent::AllocPLayerTransactionParent(const nsTArray<LayersBackend>&,
const uint64_t& aId,
TextureFactoryIdentifier* aTextureFactoryIdentifier,
bool *aSuccess)
{
MOZ_ASSERT(aId != 0);
CompositorParent::LayerTreeState* state = nullptr;
LayerTreeMap::iterator itr = sIndirectLayerTrees.find(aId);
if (sIndirectLayerTrees.end() != itr) {
state = &itr->second;
}
if (state && state->mLayerManager) {
state->mCrossProcessParent = this;
LayerManagerComposite* lm = state->mLayerManager;
*aTextureFactoryIdentifier = lm->GetCompositor()->GetTextureFactoryIdentifier();
*aSuccess = true;
LayerTransactionParent* p = new LayerTransactionParent(lm, this, aId, mChildProcessId);
p->AddIPDLReference();
sIndirectLayerTrees[aId].mLayerTree = p;
return p;
}
NS_WARNING("Created child without a matching parent?");
// XXX: should be false, but that causes us to fail some tests on Mac w/ OMTC.
// Bug 900745. change *aSuccess to false to see test failures.
*aSuccess = true;
LayerTransactionParent* p = new LayerTransactionParent(nullptr, this, aId, mChildProcessId);
p->AddIPDLReference();
return p;
}
PLayerTransactionParent*
CrossProcessCompositorBridgeParent::AllocPLayerTransactionParent(
const nsTArray<LayersBackend>&,
const uint64_t& aId)
{
MOZ_ASSERT(aId != 0);
// Check to see if this child process has access to this layer tree.
if (!LayerTreeOwnerTracker::Get()->IsMapped(aId, OtherPid())) {
NS_ERROR("Unexpected layers id in AllocPLayerTransactionParent; dropping message...");
return nullptr;
}
MonitorAutoLock lock(*sIndirectLayerTreesLock);
CompositorBridgeParent::LayerTreeState* state = nullptr;
LayerTreeMap::iterator itr = sIndirectLayerTrees.find(aId);
if (sIndirectLayerTrees.end() != itr) {
state = &itr->second;
}
if (state && state->mLayerManager) {
state->mCrossProcessParent = this;
HostLayerManager* lm = state->mLayerManager;
LayerTransactionParent* p = new LayerTransactionParent(lm, this, aId);
p->AddIPDLReference();
sIndirectLayerTrees[aId].mLayerTree = p;
return p;
}
NS_WARNING("Created child without a matching parent?");
LayerTransactionParent* p = new LayerTransactionParent(nullptr, this, aId);
p->AddIPDLReference();
return p;
}
PLayerTransactionParent*
CrossProcessCompositorBridgeParent::AllocPLayerTransactionParent(
const nsTArray<LayersBackend>&,
const uint64_t& aId,
TextureFactoryIdentifier* aTextureFactoryIdentifier,
bool *aSuccess)
{
MOZ_ASSERT(aId != 0);
// Check to see if this child process has access to this layer tree.
if (!LayerTreeOwnerTracker::Get()->IsMapped(aId, OtherPid())) {
NS_ERROR("Unexpected layers id in AllocPLayerTransactionParent; dropping message...");
return nullptr;
}
MonitorAutoLock lock(*sIndirectLayerTreesLock);
CompositorBridgeParent::LayerTreeState* state = nullptr;
LayerTreeMap::iterator itr = sIndirectLayerTrees.find(aId);
if (sIndirectLayerTrees.end() != itr) {
state = &itr->second;
}
if (state && state->mLayerManager) {
state->mCrossProcessParent = this;
HostLayerManager* lm = state->mLayerManager;
*aTextureFactoryIdentifier = lm->GetCompositor()->GetTextureFactoryIdentifier();
*aSuccess = true;
LayerTransactionParent* p = new LayerTransactionParent(lm, this, aId);
p->AddIPDLReference();
sIndirectLayerTrees[aId].mLayerTree = p;
p->SetPendingCompositorUpdates(state->mPendingCompositorUpdates);
return p;
}
NS_WARNING("Created child without a matching parent?");
// XXX: should be false, but that causes us to fail some tests on Mac w/ OMTC.
// Bug 900745. change *aSuccess to false to see test failures.
*aSuccess = true;
LayerTransactionParent* p = new LayerTransactionParent(nullptr, this, aId);
p->AddIPDLReference();
return p;
}