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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 CCPrioritizedTextureManager_h | 5 #ifndef CCPrioritizedTextureManager_h |
| 6 #define CCPrioritizedTextureManager_h | 6 #define CCPrioritizedTextureManager_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/proxy.h" |
| 14 #include "cc/prioritized_texture.h" | 15 #include "cc/prioritized_texture.h" |
| 15 #include "cc/priority_calculator.h" | 16 #include "cc/priority_calculator.h" |
| 16 #include "cc/texture.h" | 17 #include "cc/texture.h" |
| 17 #include "third_party/khronos/GLES2/gl2.h" | 18 #include "third_party/khronos/GLES2/gl2.h" |
| 18 #include "ui/gfx/size.h" | 19 #include "ui/gfx/size.h" |
| 19 | 20 |
| 20 #if defined(COMPILER_GCC) | 21 #if defined(COMPILER_GCC) |
| 21 namespace BASE_HASH_NAMESPACE { | 22 namespace BASE_HASH_NAMESPACE { |
| 22 template<> | 23 template<> |
| 23 struct hash<cc::PrioritizedTexture*> { | 24 struct hash<cc::PrioritizedTexture*> { |
| 24 size_t operator()(cc::PrioritizedTexture* ptr) const { | 25 size_t operator()(cc::PrioritizedTexture* ptr) const { |
| 25 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); | 26 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); |
| 26 } | 27 } |
| 27 }; | 28 }; |
| 28 } // namespace BASE_HASH_NAMESPACE | 29 } // namespace BASE_HASH_NAMESPACE |
| 29 #endif // COMPILER | 30 #endif // COMPILER |
| 30 | 31 |
| 31 namespace cc { | 32 namespace cc { |
| 32 | 33 |
| 33 class PriorityCalculator; | 34 class PriorityCalculator; |
| 35 class Proxy; |
| 34 | 36 |
| 35 class PrioritizedTextureManager { | 37 class PrioritizedTextureManager { |
| 36 public: | 38 public: |
| 37 static scoped_ptr<PrioritizedTextureManager> create(size_t maxMemoryLimitByt
es, int maxTextureSize, int pool) | 39 static scoped_ptr<PrioritizedTextureManager> create(size_t maxMemoryLimitByt
es, int maxTextureSize, int pool, const Proxy* proxy) |
| 38 { | 40 { |
| 39 return make_scoped_ptr(new PrioritizedTextureManager(maxMemoryLimitBytes
, maxTextureSize, pool)); | 41 return make_scoped_ptr(new PrioritizedTextureManager(maxMemoryLimitBytes
, maxTextureSize, pool, proxy)); |
| 40 } | 42 } |
| 41 scoped_ptr<PrioritizedTexture> createTexture(gfx::Size size, GLenum format) | 43 scoped_ptr<PrioritizedTexture> createTexture(gfx::Size size, GLenum format) |
| 42 { | 44 { |
| 43 return make_scoped_ptr(new PrioritizedTexture(this, size, format)); | 45 return make_scoped_ptr(new PrioritizedTexture(this, size, format)); |
| 44 } | 46 } |
| 45 ~PrioritizedTextureManager(); | 47 ~PrioritizedTextureManager(); |
| 46 | 48 |
| 47 typedef std::list<PrioritizedTexture::Backing*> BackingList; | 49 typedef std::list<PrioritizedTexture::Backing*> BackingList; |
| 48 | 50 |
| 49 // FIXME (http://crbug.com/137094): This 64MB default is a straggler from th
e | 51 // 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... |
| 100 void registerTexture(PrioritizedTexture*); | 102 void registerTexture(PrioritizedTexture*); |
| 101 void unregisterTexture(PrioritizedTexture*); | 103 void unregisterTexture(PrioritizedTexture*); |
| 102 void returnBackingTexture(PrioritizedTexture*); | 104 void returnBackingTexture(PrioritizedTexture*); |
| 103 | 105 |
| 104 // Update all backings' priorities from their owning texture. | 106 // Update all backings' priorities from their owning texture. |
| 105 void pushTexturePrioritiesToBackings(); | 107 void pushTexturePrioritiesToBackings(); |
| 106 | 108 |
| 107 // Mark all textures' backings as being in the drawing impl tree. | 109 // Mark all textures' backings as being in the drawing impl tree. |
| 108 void updateBackingsInDrawingImplTree(); | 110 void updateBackingsInDrawingImplTree(); |
| 109 | 111 |
| 112 const Proxy* proxyForDebug() const; |
| 113 |
| 110 private: | 114 private: |
| 111 friend class PrioritizedTextureTest; | 115 friend class PrioritizedTextureTest; |
| 112 | 116 |
| 113 enum EvictionPolicy { | 117 enum EvictionPolicy { |
| 114 EvictOnlyRecyclable, | 118 EvictOnlyRecyclable, |
| 115 EvictAnything, | 119 EvictAnything, |
| 116 }; | 120 }; |
| 117 | 121 |
| 118 // Compare textures. Highest priority first. | 122 // Compare textures. Highest priority first. |
| 119 static inline bool compareTextures(PrioritizedTexture* a, PrioritizedTexture
* b) | 123 static inline bool compareTextures(PrioritizedTexture* a, PrioritizedTexture
* b) |
| (...skipping 14 matching lines...) Expand all Loading... |
| 134 // Then sort by priority (note that backings that no longer have owners
will | 138 // Then sort by priority (note that backings that no longer have owners
will |
| 135 // always have the lowest priority) | 139 // always have the lowest priority) |
| 136 if (a->requestPriorityAtLastPriorityUpdate() != b->requestPriorityAtLast
PriorityUpdate()) | 140 if (a->requestPriorityAtLastPriorityUpdate() != b->requestPriorityAtLast
PriorityUpdate()) |
| 137 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); | 141 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); |
| 138 // Finally sort by being in the impl tree versus being completely unrefe
renced | 142 // Finally sort by being in the impl tree versus being completely unrefe
renced |
| 139 if (a->inDrawingImplTree() != b->inDrawingImplTree()) | 143 if (a->inDrawingImplTree() != b->inDrawingImplTree()) |
| 140 return (a->inDrawingImplTree() < b->inDrawingImplTree()); | 144 return (a->inDrawingImplTree() < b->inDrawingImplTree()); |
| 141 return a < b; | 145 return a < b; |
| 142 } | 146 } |
| 143 | 147 |
| 144 PrioritizedTextureManager(size_t maxMemoryLimitBytes, int maxTextureSize, in
t pool); | 148 PrioritizedTextureManager(size_t maxMemoryLimitBytes, int maxTextureSize, in
t pool, const Proxy* proxy); |
| 145 | 149 |
| 146 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); | 150 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); |
| 147 PrioritizedTexture::Backing* createBacking(gfx::Size, GLenum format, Resourc
eProvider*); | 151 PrioritizedTexture::Backing* createBacking(gfx::Size, GLenum format, Resourc
eProvider*); |
| 148 void evictFirstBackingResource(ResourceProvider*); | 152 void evictFirstBackingResource(ResourceProvider*); |
| 149 void deleteUnlinkedEvictedBackings(); | 153 void deleteUnlinkedEvictedBackings(); |
| 150 void sortBackings(); | 154 void sortBackings(); |
| 151 | 155 |
| 152 void assertInvariants(); | 156 void assertInvariants(); |
| 153 | 157 |
| 154 size_t m_maxMemoryLimitBytes; | 158 size_t m_maxMemoryLimitBytes; |
| 155 // The priority cutoff based on memory pressure. This is not a strict | 159 // The priority cutoff based on memory pressure. This is not a strict |
| 156 // cutoff -- requestLate allows textures with priority equal to this | 160 // cutoff -- requestLate allows textures with priority equal to this |
| 157 // cutoff to be allowed. | 161 // cutoff to be allowed. |
| 158 int m_priorityCutoff; | 162 int m_priorityCutoff; |
| 159 // The priority cutoff based on external memory policy. This is a strict | 163 // The priority cutoff based on external memory policy. This is a strict |
| 160 // cutoff -- no textures with priority equal to this cutoff will be allowed. | 164 // cutoff -- no textures with priority equal to this cutoff will be allowed. |
| 161 int m_externalPriorityCutoff; | 165 int m_externalPriorityCutoff; |
| 162 size_t m_memoryUseBytes; | 166 size_t m_memoryUseBytes; |
| 163 size_t m_memoryAboveCutoffBytes; | 167 size_t m_memoryAboveCutoffBytes; |
| 164 size_t m_memoryAvailableBytes; | 168 size_t m_memoryAvailableBytes; |
| 165 int m_pool; | 169 int m_pool; |
| 166 | 170 |
| 167 typedef base::hash_set<PrioritizedTexture*> TextureSet; | 171 typedef base::hash_set<PrioritizedTexture*> TextureSet; |
| 168 typedef std::vector<PrioritizedTexture*> TextureVector; | 172 typedef std::vector<PrioritizedTexture*> TextureVector; |
| 169 | 173 |
| 174 const Proxy* m_proxy; |
| 175 |
| 170 TextureSet m_textures; | 176 TextureSet m_textures; |
| 171 // This list is always sorted in eviction order, with the exception the | 177 // This list is always sorted in eviction order, with the exception the |
| 172 // newly-allocated or recycled textures at the very end of the tail that | 178 // newly-allocated or recycled textures at the very end of the tail that |
| 173 // are not sorted by priority. | 179 // are not sorted by priority. |
| 174 BackingList m_backings; | 180 BackingList m_backings; |
| 175 bool m_backingsTailNotSorted; | 181 bool m_backingsTailNotSorted; |
| 176 BackingList m_evictedBackings; | 182 BackingList m_evictedBackings; |
| 177 | 183 |
| 178 TextureVector m_tempTextureVector; | 184 TextureVector m_tempTextureVector; |
| 179 | 185 |
| 180 // Statistics about memory usage at priority cutoffs, computed at prioritize
Textures. | 186 // Statistics about memory usage at priority cutoffs, computed at prioritize
Textures. |
| 181 size_t m_memoryVisibleBytes; | 187 size_t m_memoryVisibleBytes; |
| 182 size_t m_memoryVisibleAndNearbyBytes; | 188 size_t m_memoryVisibleAndNearbyBytes; |
| 183 | 189 |
| 184 // Statistics copied at the time of pushTexturePrioritiesToBackings. | 190 // Statistics copied at the time of pushTexturePrioritiesToBackings. |
| 185 size_t m_memoryVisibleLastPushedBytes; | 191 size_t m_memoryVisibleLastPushedBytes; |
| 186 size_t m_memoryVisibleAndNearbyLastPushedBytes; | 192 size_t m_memoryVisibleAndNearbyLastPushedBytes; |
| 187 | 193 |
| 188 DISALLOW_COPY_AND_ASSIGN(PrioritizedTextureManager); | 194 DISALLOW_COPY_AND_ASSIGN(PrioritizedTextureManager); |
| 189 }; | 195 }; |
| 190 | 196 |
| 191 } // namespace cc | 197 } // namespace cc |
| 192 | 198 |
| 193 #endif | 199 #endif |
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