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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_MANAGED_MEMORY_POLICY_H_ | |
| 6 #define CC_MANAGED_MEMORY_POLICY_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "cc/base/cc_export.h" | |
| 10 #include "cc/tile_priority.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 | |
| 14 struct CC_EXPORT ManagedMemoryPolicy { | |
| 15 enum PriorityCutoff { | |
| 16 CUTOFF_ALLOW_NOTHING, | |
| 17 CUTOFF_ALLOW_REQUIRED_ONLY, | |
| 18 CUTOFF_ALLOW_NICE_TO_HAVE, | |
| 19 CUTOFF_ALLOW_EVERYTHING, | |
| 20 }; | |
| 21 | |
| 22 ManagedMemoryPolicy(size_t bytesLimitWhenVisible); | |
| 23 ManagedMemoryPolicy(size_t bytesLimitWhenVisible, | |
| 24 PriorityCutoff priorityCutoffWhenVisible, | |
| 25 size_t bytesLimitWhenNotVisible, | |
| 26 PriorityCutoff priorityCutoffWhenNotVisible); | |
| 27 bool operator==(const ManagedMemoryPolicy&) const; | |
| 28 bool operator!=(const ManagedMemoryPolicy&) const; | |
| 29 | |
| 30 size_t bytesLimitWhenVisible; | |
| 31 PriorityCutoff priorityCutoffWhenVisible; | |
| 32 size_t bytesLimitWhenNotVisible; | |
| 33 PriorityCutoff priorityCutoffWhenNotVisible; | |
| 34 | |
| 35 static int priorityCutoffToValue(PriorityCutoff priorityCutoff); | |
| 36 static TileMemoryLimitPolicy priorityCutoffToTileMemoryLimitPolicy(PriorityC
utoff priorityCutoff); | |
| 37 }; | |
| 38 | |
| 39 } // namespace cc | |
| 40 | |
| 41 #endif // CC_MANAGED_MEMORY_POLICY_H_ | |
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