surface_layer_impl.cc revision 6d86b77056ed63eb6871182f42a9fd5f07550f90 
1// Copyright 2014 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/surface_layer_impl.h"
6
7#include "cc/debug/debug_colors.h"
8#include "cc/layers/quad_sink.h"
9#include "cc/quads/surface_draw_quad.h"
10
11namespace cc {
12
13SurfaceLayerImpl::SurfaceLayerImpl(LayerTreeImpl* tree_impl, int id)
14    : LayerImpl(tree_impl, id) {
15}
16
17SurfaceLayerImpl::~SurfaceLayerImpl() {}
18
19scoped_ptr<LayerImpl> SurfaceLayerImpl::CreateLayerImpl(
20    LayerTreeImpl* tree_impl) {
21  return SurfaceLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
22}
23
24void SurfaceLayerImpl::SetSurfaceId(SurfaceId surface_id) {
25  if (surface_id_ == surface_id)
26    return;
27
28  surface_id_ = surface_id;
29  NoteLayerPropertyChanged();
30}
31
32void SurfaceLayerImpl::PushPropertiesTo(LayerImpl* layer) {
33  LayerImpl::PushPropertiesTo(layer);
34  SurfaceLayerImpl* layer_impl = static_cast<SurfaceLayerImpl*>(layer);
35
36  layer_impl->SetSurfaceId(surface_id_);
37}
38
39void SurfaceLayerImpl::AppendQuads(QuadSink* quad_sink,
40                                   AppendQuadsData* append_quads_data) {
41  SharedQuadState* shared_quad_state = quad_sink->CreateSharedQuadState();
42  PopulateSharedQuadState(shared_quad_state);
43
44  AppendDebugBorderQuad(
45      quad_sink, content_bounds(), shared_quad_state, append_quads_data);
46
47  if (surface_id_.is_null())
48    return;
49
50  scoped_ptr<SurfaceDrawQuad> quad = SurfaceDrawQuad::Create();
51  gfx::Rect quad_rect(content_bounds());
52  gfx::Rect visible_quad_rect = quad_sink->UnoccludedContentRect(
53      quad_rect, draw_properties().target_space_transform);
54  if (visible_quad_rect.IsEmpty())
55    return;
56  quad->SetNew(shared_quad_state, quad_rect, visible_quad_rect, surface_id_);
57  quad_sink->Append(quad.PassAs<DrawQuad>());
58}
59
60void SurfaceLayerImpl::GetDebugBorderProperties(SkColor* color,
61                                                float* width) const {
62  *color = DebugColors::SurfaceLayerBorderColor();
63  *width = DebugColors::SurfaceLayerBorderWidth(layer_tree_impl());
64}
65
66void SurfaceLayerImpl::AsValueInto(base::DictionaryValue* dict) const {
67  LayerImpl::AsValueInto(dict);
68  dict->SetInteger("surface_id", surface_id_.id);
69}
70
71const char* SurfaceLayerImpl::LayerTypeAsString() const {
72  return "cc::SurfaceLayerImpl";
73}
74
75}  // namespace cc
76