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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "cc/priority_calculator.h" | 7 #include "cc/priority_calculator.h" |
8 | 8 |
9 using namespace std; | 9 using namespace std; |
10 | 10 |
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60 int PriorityCalculator::lingeringPriority(int previousPriority) | 60 int PriorityCalculator::lingeringPriority(int previousPriority) |
61 { | 61 { |
62 // FIXME: We should remove this once we have priorities for all | 62 // FIXME: We should remove this once we have priorities for all |
63 // textures (we can't currently calculate distances for | 63 // textures (we can't currently calculate distances for |
64 // off-screen textures). | 64 // off-screen textures). |
65 return min(lingeringLimitPriority, | 65 return min(lingeringLimitPriority, |
66 max(lingeringBasePriority, previousPriority + 1)); | 66 max(lingeringBasePriority, previousPriority + 1)); |
67 } | 67 } |
68 | 68 |
69 namespace { | 69 namespace { |
70 int manhattanDistance(const IntRect& a, const IntRect& b) | 70 int manhattanDistance(const gfx::Rect& a, const gfx::Rect& b) |
71 { | 71 { |
72 IntRect c = unionRect(a, b); | 72 gfx::Rect c = gfx::UnionRects(a, b); |
73 int x = max(0, c.width() - a.width() - b.width() + 1); | 73 int x = max(0, c.width() - a.width() - b.width() + 1); |
74 int y = max(0, c.height() - a.height() - b.height() + 1); | 74 int y = max(0, c.height() - a.height() - b.height() + 1); |
75 return (x + y); | 75 return (x + y); |
76 } | 76 } |
77 } | 77 } |
78 | 78 |
79 // static | 79 // static |
80 int PriorityCalculator::priorityFromDistance(const IntRect& visibleRect, const I
ntRect& textureRect, bool drawsToRootSurface) | 80 int PriorityCalculator::priorityFromDistance(const gfx::Rect& visibleRect, const
gfx::Rect& textureRect, bool drawsToRootSurface) |
81 { | 81 { |
82 int distance = manhattanDistance(visibleRect, textureRect); | 82 int distance = manhattanDistance(visibleRect, textureRect); |
83 if (!distance) | 83 if (!distance) |
84 return visiblePriority(drawsToRootSurface); | 84 return visiblePriority(drawsToRootSurface); |
85 return min(notVisibleLimitPriority, notVisibleBasePriority + distance); | 85 return min(notVisibleLimitPriority, notVisibleBasePriority + distance); |
86 } | 86 } |
87 | 87 |
88 // static | 88 // static |
89 int PriorityCalculator::smallAnimatedLayerMinPriority() | 89 int PriorityCalculator::smallAnimatedLayerMinPriority() |
90 { | 90 { |
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115 return visibleOnlyPriorityCutoff; | 115 return visibleOnlyPriorityCutoff; |
116 } | 116 } |
117 | 117 |
118 // static | 118 // static |
119 int PriorityCalculator::allowEverythingCutoff() | 119 int PriorityCalculator::allowEverythingCutoff() |
120 { | 120 { |
121 return everythingPriorityCutoff; | 121 return everythingPriorityCutoff; |
122 } | 122 } |
123 | 123 |
124 } // cc | 124 } // cc |
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