1// Copyright 2012 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/io_surface_layer.h"
6
7#include "cc/layers/io_surface_layer_impl.h"
8
9namespace cc {
10
11scoped_refptr<IOSurfaceLayer> IOSurfaceLayer::Create() {
12  return make_scoped_refptr(new IOSurfaceLayer());
13}
14
15IOSurfaceLayer::IOSurfaceLayer() : Layer(), io_surface_id_(0) {}
16
17IOSurfaceLayer::~IOSurfaceLayer() {}
18
19void IOSurfaceLayer::SetIOSurfaceProperties(uint32_t io_surface_id,
20                                            const gfx::Size& size) {
21  io_surface_id_ = io_surface_id;
22  io_surface_size_ = size;
23  UpdateDrawsContent(HasDrawableContent());
24  SetNeedsCommit();
25}
26
27scoped_ptr<LayerImpl> IOSurfaceLayer::CreateLayerImpl(
28    LayerTreeImpl* tree_impl) {
29  return IOSurfaceLayerImpl::Create(tree_impl, layer_id_).PassAs<LayerImpl>();
30}
31
32bool IOSurfaceLayer::HasDrawableContent() const {
33  return io_surface_id_ && Layer::HasDrawableContent();
34}
35
36void IOSurfaceLayer::PushPropertiesTo(LayerImpl* layer) {
37  Layer::PushPropertiesTo(layer);
38
39  IOSurfaceLayerImpl* io_surface_layer =
40      static_cast<IOSurfaceLayerImpl*>(layer);
41  io_surface_layer->SetIOSurfaceProperties(io_surface_id_, io_surface_size_);
42}
43
44bool IOSurfaceLayer::Update(ResourceUpdateQueue* queue,
45                            const OcclusionTracker<Layer>* occlusion) {
46  bool updated = Layer::Update(queue, occlusion);
47
48  // This layer doesn't update any resources from the main thread side,
49  // but repaint rects need to be sent to the layer impl via commit.
50  return updated || !update_rect_.IsEmpty();
51}
52
53}  // namespace cc
54