Example #1
0
void
mozilla_sampler_log(const char *fmt, va_list args)
{
  if (profiler_is_active()) {
    // nsAutoCString AppendPrintf would be nicer but
    // this is mozilla external code
    char buf[2048];
    va_list argsCpy;
    VARARGS_ASSIGN(argsCpy, args);
    int required = vsnprintf(buf, sizeof(buf), fmt, argsCpy);
    va_end(argsCpy);

    if (required < 0) {
      return; // silently drop for now
    } else if (required < 2048) {
      profiler_tracing("log", buf, TRACING_EVENT);
    } else {
      char* heapBuf = new char[required+1];
      va_list argsCpy;
      VARARGS_ASSIGN(argsCpy, args);
      vsnprintf(heapBuf, required+1, fmt, argsCpy);
      va_end(argsCpy);
      // EVENT_BACKTRACE could be used to get a source
      // for all log events. This could be a runtime
      // flag later.
      profiler_tracing("log", heapBuf, TRACING_EVENT);
      delete[] heapBuf;
    }
  }
}
bool
ClientLayerManager::EndTransactionInternal(DrawPaintedLayerCallback aCallback,
                                           void* aCallbackData,
                                           EndTransactionFlags)
{
  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());

  root->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
ClientLayerManager::EndTransactionInternal(DrawThebesLayerCallback aCallback,
                                           void* aCallbackData,
                                           EndTransactionFlags)
{
  PROFILER_LABEL("ClientLayerManager", "EndTransactionInternal");
#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();
    
  mThebesLayerCallback = aCallback;
  mThebesLayerCallbackData = aCallbackData;

  GetRoot()->ComputeEffectiveTransforms(Matrix4x4());

  root->RenderLayer();
  if (!mRepeatTransaction && !GetRoot()->GetInvalidRegion().IsEmpty()) {
    GetRoot()->Mutated();
  }
  
  mThebesLayerCallback = nullptr;
  mThebesLayerCallbackData = 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");

  return !mTransactionIncomplete;
}
Example #4
0
void
CompositorParent::CompositeToTarget(DrawTarget* aTarget, const nsIntRect* aRect)
{
  profiler_tracing("Paint", "Composite", TRACING_INTERVAL_START);
  PROFILER_LABEL("CompositorParent", "Composite",
    js::ProfileEntry::Category::GRAPHICS);

  MOZ_ASSERT(IsInCompositorThread(),
             "Composite can only be called on the compositor thread");

#ifdef COMPOSITOR_PERFORMANCE_WARNING
  TimeDuration scheduleDelta = TimeStamp::Now() - mExpectedComposeStartTime;
  if (scheduleDelta > TimeDuration::FromMilliseconds(2) ||
      scheduleDelta < TimeDuration::FromMilliseconds(-2)) {
    printf_stderr("Compositor: Compose starting off schedule by %4.1f ms\n",
                  scheduleDelta.ToMilliseconds());
  }
#endif

  mLastCompose = TimeStamp::Now();

  if (!CanComposite()) {
    DidComposite();
    return;
  }

  AutoResolveRefLayers resolve(mCompositionManager);

  if (aTarget) {
    mLayerManager->BeginTransactionWithDrawTarget(aTarget, *aRect);
  } else {
    mLayerManager->BeginTransaction();
  }

  if (mForceCompositionTask && !mOverrideComposeReadiness) {
    if (mCompositionManager->ReadyForCompose()) {
      mForceCompositionTask->Cancel();
      mForceCompositionTask = nullptr;
    } else {
      return;
    }
  }

  TimeStamp time = mIsTesting ? mTestTime : mLastCompose;
  bool requestNextFrame = mCompositionManager->TransformShadowTree(time);
  if (requestNextFrame) {
    ScheduleComposition();
  }

  RenderTraceLayers(mLayerManager->GetRoot(), "0000");

  mCompositionManager->ComputeRotation();

#ifdef MOZ_DUMP_PAINTING
  static bool gDumpCompositorTree = false;
  if (gDumpCompositorTree) {
    printf_stderr("Painting --- compositing layer tree:\n");
    mLayerManager->Dump();
  }
#endif
  mLayerManager->SetDebugOverlayWantsNextFrame(false);
  mLayerManager->EndEmptyTransaction();

  if (!aTarget) {
    DidComposite();
  }

  if (mLayerManager->DebugOverlayWantsNextFrame()) {
    ScheduleComposition();
  }

#ifdef COMPOSITOR_PERFORMANCE_WARNING
  TimeDuration executionTime = TimeStamp::Now() - mLastCompose;
  TimeDuration frameBudget = TimeDuration::FromMilliseconds(15);
  int32_t frameRate = CalculateCompositionFrameRate();
  if (frameRate > 0) {
    frameBudget = TimeDuration::FromSeconds(1.0 / frameRate);
  }
  if (executionTime > frameBudget) {
    printf_stderr("Compositor: Composite execution took %4.1f ms\n",
                  executionTime.ToMilliseconds());
  }
#endif

  // 0 -> Full-tilt composite
  if (gfxPrefs::LayersCompositionFrameRate() == 0
    || mLayerManager->GetCompositor()->GetDiagnosticTypes() & DiagnosticTypes::FLASH_BORDERS) {
    // Special full-tilt composite mode for performance testing
    ScheduleComposition();
  }

  profiler_tracing("Paint", "Composite", TRACING_INTERVAL_END);
}
bool
LayerTransactionParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
                                   const uint64_t& aTransactionId,
                                   const TargetConfig& targetConfig,
                                   const bool& isFirstPaint,
                                   const bool& scheduleComposite,
                                   const uint32_t& paintSequenceNumber,
                                   const bool& isRepeatTransaction,
                                   InfallibleTArray<EditReply>* reply)
{
  profiler_tracing("Paint", "Composite", TRACING_INTERVAL_START);
  PROFILER_LABEL("LayerTransactionParent", "RecvUpdate",
    js::ProfileEntry::Category::GRAPHICS);

#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;
  }

  if (mLayerManager && mLayerManager->GetCompositor() &&
      !targetConfig.naturalBounds().IsEmpty()) {
    mLayerManager->GetCompositor()->SetScreenRotation(targetConfig.rotation());
  }

  EditReplyVector replyv;

  {
    AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
    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()));
      layer->SetMixBlendMode((gfx::CompositionOp)common.mixBlendMode());
      layer->SetForceIsolatedGroup(common.forceIsolatedGroup());
      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->SetScrollHandoffParentId(attrs.scrollParentId());
        containerLayer->SetPreScale(attrs.preXScale(), attrs.preYScale());
        containerLayer->SetInheritedScale(attrs.inheritedXScale(), attrs.inheritedYScale());
        containerLayer->SetBackgroundColor(attrs.backgroundColor().value());
        containerLayer->SetContentDescription(attrs.contentDescription());
        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) {
        return false;
      }
      if (newRoot->GetParent()) {
        // newRoot is not a root!
        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: {
      if (!ReceiveCompositableUpdate(edit.get_CompositableOperation(),
                                replyv)) {
        return false;
      }
      break;
    }
    case Edit::TOpAttachCompositable: {
      const OpAttachCompositable& op = edit.get_OpAttachCompositable();
      CompositableHost* host = CompositableHost::FromIPDLActor(op.compositableParent());
      if (!Attach(cast(op.layerParent()), host, false)) {
        return false;
      }
      host->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
      break;
    }
    case Edit::TOpAttachAsyncCompositable: {
      const OpAttachAsyncCompositable& op = edit.get_OpAttachAsyncCompositable();
      PCompositableParent* compositableParent = CompositableMap::Get(op.containerID());
      if (!compositableParent) {
        NS_ERROR("CompositableParent not found in the map");
        return false;
      }
      CompositableHost* host = CompositableHost::FromIPDLActor(compositableParent);
      if (!Attach(cast(op.layerParent()), host, true)) {
        return false;
      }

      host->SetCompositorID(mLayerManager->GetCompositor()->GetCompositorID());
      break;
    }
    default:
      NS_RUNTIMEABORT("not reached");
    }
  }

  mShadowLayersManager->ShadowLayersUpdated(this, aTransactionId, targetConfig,
      isFirstPaint, scheduleComposite, paintSequenceNumber, isRepeatTransaction);

  {
    AutoResolveRefLayers resolve(mShadowLayersManager->GetCompositionManager(this));
    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());
    }
  }

  if (!IsSameProcess()) {
    // 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();
  }

#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;
}