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Side by Side Diff: cc/trees/damage_tracker.h

Issue 2834123002: cc: Replace render surface layer list with a render surface list (Closed)
Patch Set: Address review comments Created 3 years, 7 months ago
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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 #ifndef CC_TREES_DAMAGE_TRACKER_H_ 5 #ifndef CC_TREES_DAMAGE_TRACKER_H_
6 #define CC_TREES_DAMAGE_TRACKER_H_ 6 #define CC_TREES_DAMAGE_TRACKER_H_
7 7
8 #include <memory> 8 #include <memory>
9 #include <vector> 9 #include <vector>
10 10
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25 class RenderSurfaceImpl; 25 class RenderSurfaceImpl;
26 26
27 // Computes the region where pixels have actually changed on a 27 // Computes the region where pixels have actually changed on a
28 // RenderSurfaceImpl. This region is used to scissor what is actually drawn to 28 // RenderSurfaceImpl. This region is used to scissor what is actually drawn to
29 // the screen to save GPU computation and bandwidth. 29 // the screen to save GPU computation and bandwidth.
30 class CC_EXPORT DamageTracker { 30 class CC_EXPORT DamageTracker {
31 public: 31 public:
32 static std::unique_ptr<DamageTracker> Create(); 32 static std::unique_ptr<DamageTracker> Create();
33 ~DamageTracker(); 33 ~DamageTracker();
34 34
35 static void UpdateDamageTracking(LayerTreeImpl* layer_tree_impl, 35 static void UpdateDamageTracking(
36 const LayerImplList& render_surface_list); 36 LayerTreeImpl* layer_tree_impl,
37 const RenderSurfaceList& render_surface_list);
37 38
38 void DidDrawDamagedArea() { current_damage_ = DamageAccumulator(); } 39 void DidDrawDamagedArea() { current_damage_ = DamageAccumulator(); }
39 void AddDamageNextUpdate(const gfx::Rect& dmg) { current_damage_.Union(dmg); } 40 void AddDamageNextUpdate(const gfx::Rect& dmg) { current_damage_.Union(dmg); }
40 41
41 bool GetDamageRectIfValid(gfx::Rect* rect); 42 bool GetDamageRectIfValid(gfx::Rect* rect);
42 43
43 private: 44 private:
44 DamageTracker(); 45 DamageTracker();
45 46
46 class DamageAccumulator { 47 class DamageAccumulator {
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after
142 143
143 // Damage accumulated since the last call to PrepareForUpdate(). 144 // Damage accumulated since the last call to PrepareForUpdate().
144 DamageAccumulator damage_for_this_update_; 145 DamageAccumulator damage_for_this_update_;
145 146
146 DISALLOW_COPY_AND_ASSIGN(DamageTracker); 147 DISALLOW_COPY_AND_ASSIGN(DamageTracker);
147 }; 148 };
148 149
149 } // namespace cc 150 } // namespace cc
150 151
151 #endif // CC_TREES_DAMAGE_TRACKER_H_ 152 #endif // CC_TREES_DAMAGE_TRACKER_H_
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