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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 <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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29 ResourceFormat format); | 29 ResourceFormat format); |
30 scoped_ptr<ScopedResource> TryAcquireResourceWithContentId(uint64 content_id); | 30 scoped_ptr<ScopedResource> TryAcquireResourceWithContentId(uint64 content_id); |
31 void ReleaseResource(scoped_ptr<ScopedResource> resource, | 31 void ReleaseResource(scoped_ptr<ScopedResource> resource, |
32 uint64_t content_id); | 32 uint64_t content_id); |
33 | 33 |
34 void SetResourceUsageLimits(size_t max_memory_usage_bytes, | 34 void SetResourceUsageLimits(size_t max_memory_usage_bytes, |
35 size_t max_unused_memory_usage_bytes, | 35 size_t max_unused_memory_usage_bytes, |
36 size_t max_resource_count); | 36 size_t max_resource_count); |
37 | 37 |
38 void ReduceResourceUsage(); | 38 void ReduceResourceUsage(); |
39 // This might block if |wait_if_needed| is true and one of the currently | 39 void CheckBusyResources(); |
40 // busy resources has a read lock fence that needs to be waited upon before | |
41 // it can be locked for write again. | |
42 void CheckBusyResources(bool wait_if_needed); | |
43 | 40 |
44 size_t total_memory_usage_bytes() const { return memory_usage_bytes_; } | 41 size_t total_memory_usage_bytes() const { return memory_usage_bytes_; } |
45 size_t acquired_memory_usage_bytes() const { | 42 size_t acquired_memory_usage_bytes() const { |
46 return memory_usage_bytes_ - unused_memory_usage_bytes_; | 43 return memory_usage_bytes_ - unused_memory_usage_bytes_; |
47 } | 44 } |
48 size_t total_resource_count() const { return resource_count_; } | 45 size_t total_resource_count() const { return resource_count_; } |
49 size_t acquired_resource_count() const { | 46 size_t acquired_resource_count() const { |
50 return resource_count_ - unused_resources_.size(); | 47 return resource_count_ - unused_resources_.size(); |
51 } | 48 } |
52 size_t busy_resource_count() const { return busy_resources_.size(); } | 49 size_t busy_resource_count() const { return busy_resources_.size(); } |
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78 typedef std::deque<PoolResource> ResourceList; | 75 typedef std::deque<PoolResource> ResourceList; |
79 ResourceList unused_resources_; | 76 ResourceList unused_resources_; |
80 ResourceList busy_resources_; | 77 ResourceList busy_resources_; |
81 | 78 |
82 DISALLOW_COPY_AND_ASSIGN(ResourcePool); | 79 DISALLOW_COPY_AND_ASSIGN(ResourcePool); |
83 }; | 80 }; |
84 | 81 |
85 } // namespace cc | 82 } // namespace cc |
86 | 83 |
87 #endif // CC_RESOURCES_RESOURCE_POOL_H_ | 84 #endif // CC_RESOURCES_RESOURCE_POOL_H_ |
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