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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 "cc/resources/resource_pool.h" | 5 #include "cc/resources/resource_pool.h" |
6 | 6 |
7 #include "cc/resources/resource_provider.h" | 7 #include "cc/resources/resource_provider.h" |
8 #include "cc/resources/scoped_resource.h" | 8 #include "cc/resources/scoped_resource.h" |
9 | 9 |
10 namespace cc { | 10 namespace cc { |
11 | 11 |
12 ResourcePool::ResourcePool(ResourceProvider* resource_provider, | 12 ResourcePool::ResourcePool(ResourceProvider* resource_provider, |
13 GLenum target, | 13 GLenum target, |
14 ResourceFormat format) | 14 ResourceFormat default_format) |
15 : resource_provider_(resource_provider), | 15 : resource_provider_(resource_provider), |
16 target_(target), | 16 target_(target), |
17 format_(format), | 17 default_format_(default_format), |
18 max_memory_usage_bytes_(0), | 18 max_memory_usage_bytes_(0), |
19 max_unused_memory_usage_bytes_(0), | 19 max_unused_memory_usage_bytes_(0), |
20 max_resource_count_(0), | 20 max_resource_count_(0), |
21 memory_usage_bytes_(0), | 21 memory_usage_bytes_(0), |
22 unused_memory_usage_bytes_(0), | 22 unused_memory_usage_bytes_(0), |
23 resource_count_(0) {} | 23 resource_count_(0) {} |
24 | 24 |
25 ResourcePool::~ResourcePool() { | 25 ResourcePool::~ResourcePool() { |
26 while (!busy_resources_.empty()) { | 26 while (!busy_resources_.empty()) { |
27 DidFinishUsingResource(busy_resources_.front()); | 27 DidFinishUsingResource(busy_resources_.front()); |
28 busy_resources_.pop_front(); | 28 busy_resources_.pop_front(); |
29 } | 29 } |
30 | 30 |
31 SetResourceUsageLimits(0, 0, 0); | 31 SetResourceUsageLimits(0, 0, 0); |
32 DCHECK_EQ(0u, unused_resources_.size()); | 32 DCHECK_EQ(0u, unused_resources_.size()); |
33 DCHECK_EQ(0u, memory_usage_bytes_); | 33 DCHECK_EQ(0u, memory_usage_bytes_); |
34 DCHECK_EQ(0u, unused_memory_usage_bytes_); | 34 DCHECK_EQ(0u, unused_memory_usage_bytes_); |
35 DCHECK_EQ(0u, resource_count_); | 35 DCHECK_EQ(0u, resource_count_); |
36 } | 36 } |
37 | 37 |
38 scoped_ptr<ScopedResource> ResourcePool::AcquireResource( | 38 scoped_ptr<ScopedResource> ResourcePool::AcquireResource( |
39 const gfx::Size& size) { | 39 const gfx::Size& size, ResourceFormat format) { |
40 for (ResourceList::iterator it = unused_resources_.begin(); | 40 for (ResourceList::iterator it = unused_resources_.begin(); |
41 it != unused_resources_.end(); | 41 it != unused_resources_.end(); |
42 ++it) { | 42 ++it) { |
43 ScopedResource* resource = *it; | 43 ScopedResource* resource = *it; |
44 DCHECK(resource_provider_->CanLockForWrite(resource->id())); | 44 DCHECK(resource_provider_->CanLockForWrite(resource->id())); |
45 | 45 |
| 46 if (resource->format() != format) |
| 47 continue; |
46 if (resource->size() != size) | 48 if (resource->size() != size) |
47 continue; | 49 continue; |
48 | 50 |
49 unused_resources_.erase(it); | 51 unused_resources_.erase(it); |
50 unused_memory_usage_bytes_ -= resource->bytes(); | 52 unused_memory_usage_bytes_ -= resource->bytes(); |
51 return make_scoped_ptr(resource); | 53 return make_scoped_ptr(resource); |
52 } | 54 } |
53 | 55 |
54 scoped_ptr<ScopedResource> resource = | 56 scoped_ptr<ScopedResource> resource = |
55 ScopedResource::Create(resource_provider_); | 57 ScopedResource::Create(resource_provider_); |
56 resource->AllocateManaged(size, target_, format_); | 58 resource->AllocateManaged(size, target_, format); |
57 | 59 |
58 memory_usage_bytes_ += resource->bytes(); | 60 memory_usage_bytes_ += resource->bytes(); |
59 ++resource_count_; | 61 ++resource_count_; |
60 return resource.Pass(); | 62 return resource.Pass(); |
61 } | 63 } |
62 | 64 |
63 void ResourcePool::ReleaseResource(scoped_ptr<ScopedResource> resource) { | 65 void ResourcePool::ReleaseResource(scoped_ptr<ScopedResource> resource) { |
64 busy_resources_.push_back(resource.release()); | 66 busy_resources_.push_back(resource.release()); |
65 } | 67 } |
66 | 68 |
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122 } | 124 } |
123 } | 125 } |
124 } | 126 } |
125 | 127 |
126 void ResourcePool::DidFinishUsingResource(ScopedResource* resource) { | 128 void ResourcePool::DidFinishUsingResource(ScopedResource* resource) { |
127 unused_memory_usage_bytes_ += resource->bytes(); | 129 unused_memory_usage_bytes_ += resource->bytes(); |
128 unused_resources_.push_back(resource); | 130 unused_resources_.push_back(resource); |
129 } | 131 } |
130 | 132 |
131 } // namespace cc | 133 } // namespace cc |
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