OLD | NEW |
| (Empty) |
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_ | |
OLD | NEW |