• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Copyright 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "cc/layers/video_layer.h"
6 
7 #include "cc/layers/video_layer_impl.h"
8 
9 namespace cc {
10 
Create(VideoFrameProvider * provider,media::VideoRotation video_rotation)11 scoped_refptr<VideoLayer> VideoLayer::Create(
12     VideoFrameProvider* provider,
13     media::VideoRotation video_rotation) {
14   return make_scoped_refptr(new VideoLayer(provider, video_rotation));
15 }
16 
VideoLayer(VideoFrameProvider * provider,media::VideoRotation video_rotation)17 VideoLayer::VideoLayer(VideoFrameProvider* provider,
18                        media::VideoRotation video_rotation)
19     : provider_(provider), video_rotation_(video_rotation) {
20   DCHECK(provider_);
21 }
22 
~VideoLayer()23 VideoLayer::~VideoLayer() {}
24 
CreateLayerImpl(LayerTreeImpl * tree_impl)25 scoped_ptr<LayerImpl> VideoLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
26   scoped_ptr<VideoLayerImpl> impl =
27       VideoLayerImpl::Create(tree_impl, id(), provider_, video_rotation_);
28   return impl.PassAs<LayerImpl>();
29 }
30 
Update(ResourceUpdateQueue * queue,const OcclusionTracker<Layer> * occlusion)31 bool VideoLayer::Update(ResourceUpdateQueue* queue,
32                         const OcclusionTracker<Layer>* occlusion) {
33   bool updated = Layer::Update(queue, occlusion);
34 
35   // Video layer doesn't update any resources from the main thread side,
36   // but repaint rects need to be sent to the VideoLayerImpl via commit.
37   //
38   // This is the inefficient legacy redraw path for videos.  It's better to
39   // communicate this directly to the VideoLayerImpl.
40   updated |= !update_rect_.IsEmpty();
41 
42   return updated;
43 }
44 
45 }  // namespace cc
46