Example #1
0
void
BasicImageLayer::Paint(DrawTarget* aDT,
                       const gfx::Point& aDeviceOffset,
                       Layer* aMaskLayer)
{
  if (IsHidden() || !mContainer) {
    return;
  }

  RefPtr<ImageFactory> originalIF = mContainer->GetImageFactory();
  mContainer->SetImageFactory(mManager->IsCompositingCheap() ? nullptr : BasicManager()->GetImageFactory());

  AutoLockImage autoLock(mContainer);
  Image *image = autoLock.GetImage(BasicManager()->GetCompositionTime());
  if (!image) {
    mContainer->SetImageFactory(originalIF);
    return;
  }
  RefPtr<gfx::SourceSurface> surface = image->GetAsSourceSurface();
  if (!surface || !surface->IsValid()) {
    mContainer->SetImageFactory(originalIF);
    return;
  }

  gfx::IntSize size = mSize = surface->GetSize();
  FillRectWithMask(aDT, aDeviceOffset, Rect(0, 0, size.width, size.height),
                   surface, mSamplingFilter,
                   DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
                   aMaskLayer);

  mContainer->SetImageFactory(originalIF);
}
  virtual void Paint(DrawTarget* aDT, const gfx::Point& aDeviceOffset,
                     Layer* aMaskLayer) override {
    if (IsHidden()) {
      return;
    }

    Rect snapped(mBounds.X(), mBounds.Y(), mBounds.Width(), mBounds.Height());
    MaybeSnapToDevicePixels(snapped, *aDT, true);

    // Clip drawing in case we're using (unbounded) operator source.
    aDT->PushClipRect(snapped);
    FillRectWithMask(
        aDT, aDeviceOffset, snapped, mColor,
        DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
        aMaskLayer);
    aDT->PopClip();
  }
Example #3
0
void
BasicCanvasLayer::Paint(DrawTarget* aDT,
                        const Point& aDeviceOffset,
                        Layer* aMaskLayer)
{
  if (IsHidden())
    return;

  if (IsDirty()) {
    Painted();

    FirePreTransactionCallback();
    UpdateTarget();
    FireDidTransactionCallback();
  }

  if (!mSurface) {
    return;
  }

  const bool needsYFlip = (mOriginPos == gl::OriginPos::BottomLeft);

  Matrix oldTM;
  if (needsYFlip) {
    oldTM = aDT->GetTransform();
    aDT->SetTransform(Matrix(oldTM).
                        PreTranslate(0.0f, mBounds.height).
                        PreScale(1.0f, -1.0f));
  }

  FillRectWithMask(aDT, aDeviceOffset,
                   Rect(0, 0, mBounds.width, mBounds.height),
                   mSurface, ToFilter(mFilter),
                   DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
                   aMaskLayer);

  if (needsYFlip) {
    aDT->SetTransform(oldTM);
  }
}
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);
    }
  }
}