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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 #ifndef CC_RESOURCES_RESOURCE_POOL_H_ | 5 #ifndef CC_RESOURCES_RESOURCE_POOL_H_ |
6 #define CC_RESOURCES_RESOURCE_POOL_H_ | 6 #define CC_RESOURCES_RESOURCE_POOL_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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38 | 38 |
39 scoped_ptr<ResourcePool::Resource> AcquireResource( | 39 scoped_ptr<ResourcePool::Resource> AcquireResource( |
40 gfx::Size size, ResourceFormat format); | 40 gfx::Size size, ResourceFormat format); |
41 void ReleaseResource(scoped_ptr<ResourcePool::Resource>); | 41 void ReleaseResource(scoped_ptr<ResourcePool::Resource>); |
42 | 42 |
43 void SetResourceUsageLimits(size_t max_memory_usage_bytes, | 43 void SetResourceUsageLimits(size_t max_memory_usage_bytes, |
44 size_t max_unused_memory_usage_bytes, | 44 size_t max_unused_memory_usage_bytes, |
45 size_t max_resource_count); | 45 size_t max_resource_count); |
46 | 46 |
47 void ReduceResourceUsage(); | 47 void ReduceResourceUsage(); |
| 48 void CheckBusyResources(); |
48 | 49 |
49 size_t total_memory_usage_bytes() const { | 50 size_t total_memory_usage_bytes() const { |
50 return memory_usage_bytes_; | 51 return memory_usage_bytes_; |
51 } | 52 } |
52 size_t acquired_memory_usage_bytes() const { | 53 size_t acquired_memory_usage_bytes() const { |
53 return memory_usage_bytes_ - unused_memory_usage_bytes_; | 54 return memory_usage_bytes_ - unused_memory_usage_bytes_; |
54 } | 55 } |
55 size_t acquired_resource_count() const { | 56 size_t acquired_resource_count() const { |
56 return resource_count_ - unused_resources_.size(); | 57 return resource_count_ - unused_resources_.size(); |
57 } | 58 } |
58 | 59 |
59 protected: | 60 protected: |
60 explicit ResourcePool(ResourceProvider* resource_provider); | 61 explicit ResourcePool(ResourceProvider* resource_provider); |
61 | 62 |
62 bool ResourceUsageTooHigh(); | 63 bool ResourceUsageTooHigh(); |
63 | 64 |
64 private: | 65 private: |
65 ResourceProvider* resource_provider_; | 66 ResourceProvider* resource_provider_; |
66 size_t max_memory_usage_bytes_; | 67 size_t max_memory_usage_bytes_; |
67 size_t max_unused_memory_usage_bytes_; | 68 size_t max_unused_memory_usage_bytes_; |
68 size_t max_resource_count_; | 69 size_t max_resource_count_; |
69 size_t memory_usage_bytes_; | 70 size_t memory_usage_bytes_; |
70 size_t unused_memory_usage_bytes_; | 71 size_t unused_memory_usage_bytes_; |
71 size_t resource_count_; | 72 size_t resource_count_; |
72 | 73 |
73 typedef std::list<Resource*> ResourceList; | 74 typedef std::list<Resource*> ResourceList; |
74 ResourceList unused_resources_; | 75 ResourceList unused_resources_; |
| 76 ResourceList busy_resources_; |
75 | 77 |
76 DISALLOW_COPY_AND_ASSIGN(ResourcePool); | 78 DISALLOW_COPY_AND_ASSIGN(ResourcePool); |
77 }; | 79 }; |
78 | 80 |
79 } // namespace cc | 81 } // namespace cc |
80 | 82 |
81 #endif // CC_RESOURCES_RESOURCE_POOL_H_ | 83 #endif // CC_RESOURCES_RESOURCE_POOL_H_ |
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