OLD | NEW |
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_PRIORITIZED_RESOURCE_MANAGER_H_ | 5 #ifndef CC_PRIORITIZED_RESOURCE_MANAGER_H_ |
6 #define CC_PRIORITIZED_RESOURCE_MANAGER_H_ | 6 #define CC_PRIORITIZED_RESOURCE_MANAGER_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/hash_tables.h" | 12 #include "base/hash_tables.h" |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "cc/cc_export.h" | 14 #include "cc/cc_export.h" |
| 15 #include "cc/proxy.h" |
15 #include "cc/prioritized_resource.h" | 16 #include "cc/prioritized_resource.h" |
16 #include "cc/priority_calculator.h" | 17 #include "cc/priority_calculator.h" |
17 #include "cc/texture.h" | 18 #include "cc/texture.h" |
18 #include "third_party/khronos/GLES2/gl2.h" | 19 #include "third_party/khronos/GLES2/gl2.h" |
19 #include "ui/gfx/size.h" | 20 #include "ui/gfx/size.h" |
20 | 21 |
21 #if defined(COMPILER_GCC) | 22 #if defined(COMPILER_GCC) |
22 namespace BASE_HASH_NAMESPACE { | 23 namespace BASE_HASH_NAMESPACE { |
23 template<> | 24 template<> |
24 struct hash<cc::PrioritizedResource*> { | 25 struct hash<cc::PrioritizedResource*> { |
25 size_t operator()(cc::PrioritizedResource* ptr) const { | 26 size_t operator()(cc::PrioritizedResource* ptr) const { |
26 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); | 27 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); |
27 } | 28 } |
28 }; | 29 }; |
29 } // namespace BASE_HASH_NAMESPACE | 30 } // namespace BASE_HASH_NAMESPACE |
30 #endif // COMPILER | 31 #endif // COMPILER |
31 | 32 |
32 namespace cc { | 33 namespace cc { |
33 | 34 |
34 class PriorityCalculator; | 35 class PriorityCalculator; |
| 36 class Proxy; |
35 | 37 |
36 class CC_EXPORT PrioritizedResourceManager { | 38 class CC_EXPORT PrioritizedResourceManager { |
37 public: | 39 public: |
38 static scoped_ptr<PrioritizedResourceManager> create(size_t maxMemoryLimitBy
tes, int maxTextureSize, int pool) | 40 static scoped_ptr<PrioritizedResourceManager> create(size_t maxMemoryLimitBy
tes, int maxTextureSize, int pool, const Proxy* proxy) |
39 { | 41 { |
40 return make_scoped_ptr(new PrioritizedResourceManager(maxMemoryLimitByte
s, maxTextureSize, pool)); | 42 return make_scoped_ptr(new PrioritizedResourceManager(maxMemoryLimitByte
s, maxTextureSize, pool, proxy)); |
41 } | 43 } |
42 scoped_ptr<PrioritizedResource> createTexture(gfx::Size size, GLenum format) | 44 scoped_ptr<PrioritizedResource> createTexture(gfx::Size size, GLenum format) |
43 { | 45 { |
44 return make_scoped_ptr(new PrioritizedResource(this, size, format)); | 46 return make_scoped_ptr(new PrioritizedResource(this, size, format)); |
45 } | 47 } |
46 ~PrioritizedResourceManager(); | 48 ~PrioritizedResourceManager(); |
47 | 49 |
48 typedef std::list<PrioritizedResource::Backing*> BackingList; | 50 typedef std::list<PrioritizedResource::Backing*> BackingList; |
49 | 51 |
50 // FIXME (http://crbug.com/137094): This 64MB default is a straggler from th
e | 52 // FIXME (http://crbug.com/137094): This 64MB default is a straggler from th
e |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
101 void registerTexture(PrioritizedResource*); | 103 void registerTexture(PrioritizedResource*); |
102 void unregisterTexture(PrioritizedResource*); | 104 void unregisterTexture(PrioritizedResource*); |
103 void returnBackingTexture(PrioritizedResource*); | 105 void returnBackingTexture(PrioritizedResource*); |
104 | 106 |
105 // Update all backings' priorities from their owning texture. | 107 // Update all backings' priorities from their owning texture. |
106 void pushTexturePrioritiesToBackings(); | 108 void pushTexturePrioritiesToBackings(); |
107 | 109 |
108 // Mark all textures' backings as being in the drawing impl tree. | 110 // Mark all textures' backings as being in the drawing impl tree. |
109 void updateBackingsInDrawingImplTree(); | 111 void updateBackingsInDrawingImplTree(); |
110 | 112 |
| 113 const Proxy* proxyForDebug() const; |
| 114 |
111 private: | 115 private: |
112 friend class PrioritizedResourceTest; | 116 friend class PrioritizedResourceTest; |
113 | 117 |
114 enum EvictionPolicy { | 118 enum EvictionPolicy { |
115 EvictOnlyRecyclable, | 119 EvictOnlyRecyclable, |
116 EvictAnything, | 120 EvictAnything, |
117 }; | 121 }; |
118 | 122 |
119 // Compare textures. Highest priority first. | 123 // Compare textures. Highest priority first. |
120 static inline bool compareTextures(PrioritizedResource* a, PrioritizedResour
ce* b) | 124 static inline bool compareTextures(PrioritizedResource* a, PrioritizedResour
ce* b) |
(...skipping 14 matching lines...) Expand all Loading... |
135 // Then sort by priority (note that backings that no longer have owners
will | 139 // Then sort by priority (note that backings that no longer have owners
will |
136 // always have the lowest priority) | 140 // always have the lowest priority) |
137 if (a->requestPriorityAtLastPriorityUpdate() != b->requestPriorityAtLast
PriorityUpdate()) | 141 if (a->requestPriorityAtLastPriorityUpdate() != b->requestPriorityAtLast
PriorityUpdate()) |
138 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); | 142 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); |
139 // Finally sort by being in the impl tree versus being completely unrefe
renced | 143 // Finally sort by being in the impl tree versus being completely unrefe
renced |
140 if (a->inDrawingImplTree() != b->inDrawingImplTree()) | 144 if (a->inDrawingImplTree() != b->inDrawingImplTree()) |
141 return (a->inDrawingImplTree() < b->inDrawingImplTree()); | 145 return (a->inDrawingImplTree() < b->inDrawingImplTree()); |
142 return a < b; | 146 return a < b; |
143 } | 147 } |
144 | 148 |
145 PrioritizedResourceManager(size_t maxMemoryLimitBytes, int maxTextureSize, i
nt pool); | 149 PrioritizedResourceManager(size_t maxMemoryLimitBytes, int maxTextureSize, i
nt pool, const Proxy* proxy); |
146 | 150 |
147 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); | 151 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); |
148 PrioritizedResource::Backing* createBacking(gfx::Size, GLenum format, Resour
ceProvider*); | 152 PrioritizedResource::Backing* createBacking(gfx::Size, GLenum format, Resour
ceProvider*); |
149 void evictFirstBackingResource(ResourceProvider*); | 153 void evictFirstBackingResource(ResourceProvider*); |
150 void deleteUnlinkedEvictedBackings(); | 154 void deleteUnlinkedEvictedBackings(); |
151 void sortBackings(); | 155 void sortBackings(); |
152 | 156 |
153 void assertInvariants(); | 157 void assertInvariants(); |
154 | 158 |
155 size_t m_maxMemoryLimitBytes; | 159 size_t m_maxMemoryLimitBytes; |
156 // The priority cutoff based on memory pressure. This is not a strict | 160 // The priority cutoff based on memory pressure. This is not a strict |
157 // cutoff -- requestLate allows textures with priority equal to this | 161 // cutoff -- requestLate allows textures with priority equal to this |
158 // cutoff to be allowed. | 162 // cutoff to be allowed. |
159 int m_priorityCutoff; | 163 int m_priorityCutoff; |
160 // The priority cutoff based on external memory policy. This is a strict | 164 // The priority cutoff based on external memory policy. This is a strict |
161 // cutoff -- no textures with priority equal to this cutoff will be allowed. | 165 // cutoff -- no textures with priority equal to this cutoff will be allowed. |
162 int m_externalPriorityCutoff; | 166 int m_externalPriorityCutoff; |
163 size_t m_memoryUseBytes; | 167 size_t m_memoryUseBytes; |
164 size_t m_memoryAboveCutoffBytes; | 168 size_t m_memoryAboveCutoffBytes; |
165 size_t m_memoryAvailableBytes; | 169 size_t m_memoryAvailableBytes; |
166 int m_pool; | 170 int m_pool; |
167 | 171 |
168 typedef base::hash_set<PrioritizedResource*> TextureSet; | 172 typedef base::hash_set<PrioritizedResource*> TextureSet; |
169 typedef std::vector<PrioritizedResource*> TextureVector; | 173 typedef std::vector<PrioritizedResource*> TextureVector; |
170 | 174 |
| 175 const Proxy* m_proxy; |
| 176 |
171 TextureSet m_textures; | 177 TextureSet m_textures; |
172 // This list is always sorted in eviction order, with the exception the | 178 // This list is always sorted in eviction order, with the exception the |
173 // newly-allocated or recycled textures at the very end of the tail that | 179 // newly-allocated or recycled textures at the very end of the tail that |
174 // are not sorted by priority. | 180 // are not sorted by priority. |
175 BackingList m_backings; | 181 BackingList m_backings; |
176 bool m_backingsTailNotSorted; | 182 bool m_backingsTailNotSorted; |
177 BackingList m_evictedBackings; | 183 BackingList m_evictedBackings; |
178 | 184 |
179 TextureVector m_tempTextureVector; | 185 TextureVector m_tempTextureVector; |
180 | 186 |
181 // Statistics about memory usage at priority cutoffs, computed at prioritize
Textures. | 187 // Statistics about memory usage at priority cutoffs, computed at prioritize
Textures. |
182 size_t m_memoryVisibleBytes; | 188 size_t m_memoryVisibleBytes; |
183 size_t m_memoryVisibleAndNearbyBytes; | 189 size_t m_memoryVisibleAndNearbyBytes; |
184 | 190 |
185 // Statistics copied at the time of pushTexturePrioritiesToBackings. | 191 // Statistics copied at the time of pushTexturePrioritiesToBackings. |
186 size_t m_memoryVisibleLastPushedBytes; | 192 size_t m_memoryVisibleLastPushedBytes; |
187 size_t m_memoryVisibleAndNearbyLastPushedBytes; | 193 size_t m_memoryVisibleAndNearbyLastPushedBytes; |
188 | 194 |
189 DISALLOW_COPY_AND_ASSIGN(PrioritizedResourceManager); | 195 DISALLOW_COPY_AND_ASSIGN(PrioritizedResourceManager); |
190 }; | 196 }; |
191 | 197 |
192 } // namespace cc | 198 } // namespace cc |
193 | 199 |
194 #endif // CC_PRIORITIZED_RESOURCE_MANAGER_H_ | 200 #endif // CC_PRIORITIZED_RESOURCE_MANAGER_H_ |
OLD | NEW |