blob: cc4c10f8fcf3c7d6c7d14c0c877ad55d5126c8a2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "cc/delegated_renderer_layer.h"
#include "cc/delegated_frame_data.h"
#include "cc/delegated_renderer_layer_impl.h"
namespace cc {
scoped_refptr<DelegatedRendererLayer> DelegatedRendererLayer::Create() {
return scoped_refptr<DelegatedRendererLayer>(new DelegatedRendererLayer());
}
DelegatedRendererLayer::DelegatedRendererLayer()
: Layer() {
}
DelegatedRendererLayer::~DelegatedRendererLayer() {}
scoped_ptr<LayerImpl> DelegatedRendererLayer::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
return DelegatedRendererLayerImpl::Create(
tree_impl, layer_id_).PassAs<LayerImpl>();
}
bool DelegatedRendererLayer::DrawsContent() const {
return Layer::DrawsContent() && !frame_size_.IsEmpty();
}
void DelegatedRendererLayer::PushPropertiesTo(LayerImpl* impl) {
Layer::PushPropertiesTo(impl);
DelegatedRendererLayerImpl* delegated_impl =
static_cast<DelegatedRendererLayerImpl*>(impl);
delegated_impl->SetDisplaySize(display_size_);
if (!frame_data_) {
delegated_impl->SetFrameData(scoped_ptr<DelegatedFrameData>(),
gfx::Rect(),
&unused_resources_for_child_compositor_);
} else if (frame_size_.IsEmpty()) {
scoped_ptr<DelegatedFrameData> empty_frame(new DelegatedFrameData);
delegated_impl->SetFrameData(empty_frame.Pass(),
gfx::Rect(),
&unused_resources_for_child_compositor_);
} else {
delegated_impl->SetFrameData(frame_data_.Pass(),
damage_in_frame_,
&unused_resources_for_child_compositor_);
}
frame_data_.reset();
damage_in_frame_ = gfx::RectF();
}
void DelegatedRendererLayer::SetDisplaySize(gfx::Size size) {
if (display_size_ == size)
return;
display_size_ = size;
SetNeedsCommit();
}
void DelegatedRendererLayer::SetFrameData(
scoped_ptr<DelegatedFrameData> new_frame_data) {
if (frame_data_) {
// Copy the resources from the last provided frame into the new frame, as
// it may use resources that were transferred in the last frame.
new_frame_data->resource_list.insert(new_frame_data->resource_list.end(),
frame_data_->resource_list.begin(),
frame_data_->resource_list.end());
}
frame_data_ = new_frame_data.Pass();
if (!frame_data_->render_pass_list.empty()) {
RenderPass* root_pass = frame_data_->render_pass_list.back();
damage_in_frame_.Union(root_pass->damage_rect);
frame_size_ = root_pass->output_rect.size();
// TODO(danakj): This could be optimized to only add resources to the
// frame_data_ if they are actually used in the frame. For now, it will
// cause the parent (this layer) to hold onto some resources it doesn't
// need to for an extra frame.
for (size_t i = 0; i < unused_resources_for_child_compositor_.size(); ++i) {
frame_data_->resource_list.push_back(
unused_resources_for_child_compositor_[i]);
}
unused_resources_for_child_compositor_.clear();
} else {
frame_size_ = gfx::Size();
}
SetNeedsCommit();
}
void DelegatedRendererLayer::TakeUnusedResourcesForChildCompositor(
TransferableResourceArray* array) {
DCHECK(array->empty());
array->clear();
array->swap(unused_resources_for_child_compositor_);
}
} // namespace cc
|
