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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 <stdint.h> | |
8 | |
9 #include "cc/layers/io_surface_layer_impl.h" | |
10 | |
11 namespace cc { | |
12 | |
13 scoped_refptr<IOSurfaceLayer> IOSurfaceLayer::Create() { | |
14 return make_scoped_refptr(new IOSurfaceLayer()); | |
15 } | |
16 | |
17 IOSurfaceLayer::IOSurfaceLayer() : io_surface_id_(0) {} | |
18 | |
19 IOSurfaceLayer::~IOSurfaceLayer() {} | |
20 | |
21 void IOSurfaceLayer::SetIOSurfaceProperties(uint32_t io_surface_id, | |
22 const gfx::Size& size) { | |
23 io_surface_id_ = io_surface_id; | |
24 io_surface_size_ = size; | |
25 UpdateDrawsContent(HasDrawableContent()); | |
26 SetNeedsCommit(); | |
27 } | |
28 | |
29 std::unique_ptr<LayerImpl> IOSurfaceLayer::CreateLayerImpl( | |
30 LayerTreeImpl* tree_impl) { | |
31 return IOSurfaceLayerImpl::Create(tree_impl, layer_id_); | |
32 } | |
33 | |
34 bool IOSurfaceLayer::HasDrawableContent() const { | |
35 return io_surface_id_ && Layer::HasDrawableContent(); | |
36 } | |
37 | |
38 void IOSurfaceLayer::PushPropertiesTo(LayerImpl* layer) { | |
39 Layer::PushPropertiesTo(layer); | |
40 | |
41 IOSurfaceLayerImpl* io_surface_layer = | |
42 static_cast<IOSurfaceLayerImpl*>(layer); | |
43 io_surface_layer->SetIOSurfaceProperties(io_surface_id_, io_surface_size_); | |
44 } | |
45 | |
46 bool IOSurfaceLayer::Update() { | |
47 bool updated = Layer::Update(); | |
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 | |
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