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Side by Side Diff: cc/resources/tile_draw_info.h

Issue 1144693002: cc: Move files out of cc/resources/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: resources: android Created 5 years, 7 months ago
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1 // Copyright 2013 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 #ifndef CC_RESOURCES_TILE_DRAW_INFO_H_
6 #define CC_RESOURCES_TILE_DRAW_INFO_H_
7
8 #include "base/memory/scoped_ptr.h"
9 #include "base/trace_event/trace_event_argument.h"
10 #include "cc/resources/platform_color.h"
11 #include "cc/resources/resource_provider.h"
12 #include "cc/resources/scoped_resource.h"
13 #include "cc/resources/tile_task_runner.h"
14
15 namespace cc {
16
17 // This class holds all the state relevant to drawing a tile.
18 class CC_EXPORT TileDrawInfo {
19 public:
20 enum Mode { RESOURCE_MODE, SOLID_COLOR_MODE, OOM_MODE };
21
22 TileDrawInfo();
23 ~TileDrawInfo();
24
25 Mode mode() const { return mode_; }
26
27 bool IsReadyToDraw() const {
28 switch (mode_) {
29 case RESOURCE_MODE:
30 return !!resource_;
31 case SOLID_COLOR_MODE:
32 case OOM_MODE:
33 return true;
34 }
35 NOTREACHED();
36 return false;
37 }
38 bool NeedsRaster() const {
39 switch (mode_) {
40 case RESOURCE_MODE:
41 return !resource_;
42 case SOLID_COLOR_MODE:
43 return false;
44 case OOM_MODE:
45 return true;
46 }
47 NOTREACHED();
48 return false;
49 }
50
51 ResourceProvider::ResourceId resource_id() const {
52 DCHECK(mode_ == RESOURCE_MODE);
53 DCHECK(resource_);
54 return resource_->id();
55 }
56
57 gfx::Size resource_size() const {
58 DCHECK(mode_ == RESOURCE_MODE);
59 DCHECK(resource_);
60 return resource_->size();
61 }
62
63 SkColor solid_color() const {
64 DCHECK(mode_ == SOLID_COLOR_MODE);
65 return solid_color_;
66 }
67
68 bool contents_swizzled() const {
69 DCHECK(resource_);
70 return !PlatformColor::SameComponentOrder(resource_->format());
71 }
72
73 bool requires_resource() const {
74 return mode_ == RESOURCE_MODE || mode_ == OOM_MODE;
75 }
76
77 inline bool has_resource() const { return !!resource_; }
78
79 void SetSolidColorForTesting(SkColor color) { set_solid_color(color); }
80 void SetResourceForTesting(scoped_ptr<ScopedResource> resource) {
81 resource_ = resource.Pass();
82 }
83
84 void AsValueInto(base::trace_event::TracedValue* state) const;
85
86 private:
87 friend class Tile;
88 friend class TileManager;
89
90 void set_use_resource() { mode_ = RESOURCE_MODE; }
91
92 void set_solid_color(const SkColor& color) {
93 mode_ = SOLID_COLOR_MODE;
94 solid_color_ = color;
95 }
96
97 void set_oom() { mode_ = OOM_MODE; }
98
99 Mode mode_;
100 SkColor solid_color_;
101 scoped_ptr<ScopedResource> resource_;
102 };
103
104 } // namespace cc
105
106 #endif // CC_RESOURCES_TILE_DRAW_INFO_H_
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