| 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 |