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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/resources/layer_tiling_data.h" | 5 #include "cc/resources/layer_tiling_data.h" |
6 | 6 |
7 #include <vector> | 7 #include <vector> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 | 12 |
13 scoped_ptr<LayerTilingData> LayerTilingData::Create(gfx::Size tile_size, | 13 scoped_ptr<LayerTilingData> LayerTilingData::Create(const gfx::Size& tile_size, |
14 BorderTexelOption border) { | 14 BorderTexelOption border) { |
15 return make_scoped_ptr(new LayerTilingData(tile_size, border)); | 15 return make_scoped_ptr(new LayerTilingData(tile_size, border)); |
16 } | 16 } |
17 | 17 |
18 LayerTilingData::LayerTilingData(gfx::Size tile_size, BorderTexelOption border) | 18 LayerTilingData::LayerTilingData(const gfx::Size& tile_size, |
| 19 BorderTexelOption border) |
19 : tiling_data_(tile_size, gfx::Size(), border == HAS_BORDER_TEXELS) { | 20 : tiling_data_(tile_size, gfx::Size(), border == HAS_BORDER_TEXELS) { |
20 SetTileSize(tile_size); | 21 SetTileSize(tile_size); |
21 } | 22 } |
22 | 23 |
23 LayerTilingData::~LayerTilingData() {} | 24 LayerTilingData::~LayerTilingData() {} |
24 | 25 |
25 void LayerTilingData::SetTileSize(gfx::Size size) { | 26 void LayerTilingData::SetTileSize(const gfx::Size& size) { |
26 if (tile_size() == size) | 27 if (tile_size() == size) |
27 return; | 28 return; |
28 | 29 |
29 reset(); | 30 reset(); |
30 | 31 |
31 tiling_data_.SetMaxTextureSize(size); | 32 tiling_data_.SetMaxTextureSize(size); |
32 } | 33 } |
33 | 34 |
34 gfx::Size LayerTilingData::tile_size() const { | 35 gfx::Size LayerTilingData::tile_size() const { |
35 return tiling_data_.max_texture_size(); | 36 return tiling_data_.max_texture_size(); |
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104 continue; | 105 continue; |
105 | 106 |
106 gfx::Rect tile_opaque_rect = | 107 gfx::Rect tile_opaque_rect = |
107 gfx::IntersectRects(content_rect, tile->opaque_rect()); | 108 gfx::IntersectRects(content_rect, tile->opaque_rect()); |
108 opaque_region.Union(tile_opaque_rect); | 109 opaque_region.Union(tile_opaque_rect); |
109 } | 110 } |
110 } | 111 } |
111 return opaque_region; | 112 return opaque_region; |
112 } | 113 } |
113 | 114 |
114 void LayerTilingData::SetBounds(gfx::Size size) { | 115 void LayerTilingData::SetBounds(const gfx::Size& size) { |
115 tiling_data_.SetTotalSize(size); | 116 tiling_data_.SetTotalSize(size); |
116 if (size.IsEmpty()) { | 117 if (size.IsEmpty()) { |
117 tiles_.clear(); | 118 tiles_.clear(); |
118 return; | 119 return; |
119 } | 120 } |
120 | 121 |
121 // Any tiles completely outside our new bounds are invalid and should be | 122 // Any tiles completely outside our new bounds are invalid and should be |
122 // dropped. | 123 // dropped. |
123 int left, top, right, bottom; | 124 int left, top, right, bottom; |
124 ContentRectToTileIndices( | 125 ContentRectToTileIndices( |
125 gfx::Rect(size), &left, &top, &right, &bottom); | 126 gfx::Rect(size), &left, &top, &right, &bottom); |
126 std::vector<TileMapKey> invalid_tile_keys; | 127 std::vector<TileMapKey> invalid_tile_keys; |
127 for (TileMap::const_iterator it = tiles_.begin(); it != tiles_.end(); ++it) { | 128 for (TileMap::const_iterator it = tiles_.begin(); it != tiles_.end(); ++it) { |
128 if (it->first.first > right || it->first.second > bottom) | 129 if (it->first.first > right || it->first.second > bottom) |
129 invalid_tile_keys.push_back(it->first); | 130 invalid_tile_keys.push_back(it->first); |
130 } | 131 } |
131 for (size_t i = 0; i < invalid_tile_keys.size(); ++i) | 132 for (size_t i = 0; i < invalid_tile_keys.size(); ++i) |
132 tiles_.erase(invalid_tile_keys[i]); | 133 tiles_.erase(invalid_tile_keys[i]); |
133 } | 134 } |
134 | 135 |
135 } // namespace cc | 136 } // namespace cc |
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