示例#1
0
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;
}
示例#2
0
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;
}