void ImageContainerChild::SendImageNow(Image* aImage)
{
  NS_ABORT_IF_FALSE(InImageBridgeChildThread(),
                    "Should be in ImageBridgeChild thread.");

  if (mStop) {
    return;
  }

  bool needsCopy = false;
  // If the image can be converted to a shared image, no need to do a copy.
  SharedImage* img = AsSharedImage(aImage);
  if (!img) {
    needsCopy = true;
    // Try to get a compatible shared image from the pool
    img = GetSharedImageFor(aImage);
    if (!img && mActiveImageCount < (int)MAX_ACTIVE_SHARED_IMAGES) {
      // If no shared image available, allocate a new one
      img = AllocateSharedImageFor(aImage);
    }
  }

  if (img && (!needsCopy || CopyDataIntoSharedImage(aImage, img))) {
    // Keep a reference to the image we sent to compositor to maintain a
    // correct reference count.
    mImageQueue.AppendElement(aImage);
    SendPublishImage(*img);
  } else {
    NS_WARNING("Failed to send an image to the compositor");
  }
  delete img;
  return;
}
Пример #2
0
void ImageContainerChild::SendImageAsync(ImageContainer* aContainer,
        Image* aImage)
{
    if(!aContainer || !aImage) {
        return;
    }

    if (mStop) {
        return;
    }

    if (InImageBridgeChildThread()) {
        SharedImage *img = ImageToSharedImage(aImage);
        if (img) {
            SendPublishImage(*img);
        } else {
            NS_WARNING("Failed to create a shared image!");
        }
        delete img;
        return;
    }

    // Sending images and (potentially) allocating shmems must be done
    // on the ImageBridgeChild thread.
    Task *t = new ImageBridgeCopyAndSendTask(this, aContainer, aImage);
    GetMessageLoop()->PostTask(FROM_HERE, t);
}