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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 "IntRect.h" | |
12 #include "IntSize.h" | |
13 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
14 #include "base/hash_tables.h" | 12 #include "base/hash_tables.h" |
15 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
16 #include "cc/prioritized_texture.h" | 14 #include "cc/prioritized_texture.h" |
17 #include "cc/priority_calculator.h" | 15 #include "cc/priority_calculator.h" |
18 #include "cc/texture.h" | 16 #include "cc/texture.h" |
19 #include "third_party/khronos/GLES2/gl2.h" | 17 #include "third_party/khronos/GLES2/gl2.h" |
| 18 #include "ui/gfx/size.h" |
20 | 19 |
21 #if defined(COMPILER_GCC) | 20 #if defined(COMPILER_GCC) |
22 namespace BASE_HASH_NAMESPACE { | 21 namespace BASE_HASH_NAMESPACE { |
23 template<> | 22 template<> |
24 struct hash<cc::PrioritizedTexture*> { | 23 struct hash<cc::PrioritizedTexture*> { |
25 size_t operator()(cc::PrioritizedTexture* ptr) const { | 24 size_t operator()(cc::PrioritizedTexture* ptr) const { |
26 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); | 25 return hash<size_t>()(reinterpret_cast<size_t>(ptr)); |
27 } | 26 } |
28 }; | 27 }; |
29 } // namespace BASE_HASH_NAMESPACE | 28 } // namespace BASE_HASH_NAMESPACE |
30 #endif // COMPILER | 29 #endif // COMPILER |
31 | 30 |
32 namespace cc { | 31 namespace cc { |
33 | 32 |
34 class PriorityCalculator; | 33 class PriorityCalculator; |
35 | 34 |
36 class PrioritizedTextureManager { | 35 class PrioritizedTextureManager { |
37 public: | 36 public: |
38 static scoped_ptr<PrioritizedTextureManager> create(size_t maxMemoryLimitByt
es, int maxTextureSize, int pool) | 37 static scoped_ptr<PrioritizedTextureManager> create(size_t maxMemoryLimitByt
es, int maxTextureSize, int pool) |
39 { | 38 { |
40 return make_scoped_ptr(new PrioritizedTextureManager(maxMemoryLimitBytes
, maxTextureSize, pool)); | 39 return make_scoped_ptr(new PrioritizedTextureManager(maxMemoryLimitBytes
, maxTextureSize, pool)); |
41 } | 40 } |
42 scoped_ptr<PrioritizedTexture> createTexture(IntSize size, GLenum format) | 41 scoped_ptr<PrioritizedTexture> createTexture(gfx::Size size, GLenum format) |
43 { | 42 { |
44 return make_scoped_ptr(new PrioritizedTexture(this, size, format)); | 43 return make_scoped_ptr(new PrioritizedTexture(this, size, format)); |
45 } | 44 } |
46 ~PrioritizedTextureManager(); | 45 ~PrioritizedTextureManager(); |
47 | 46 |
48 typedef std::list<PrioritizedTexture::Backing*> BackingList; | 47 typedef std::list<PrioritizedTexture::Backing*> BackingList; |
49 | 48 |
50 // FIXME (http://crbug.com/137094): This 64MB default is a straggler from th
e | 49 // FIXME (http://crbug.com/137094): This 64MB default is a straggler from th
e |
51 // old texture manager and is just to give us a default memory allocation be
fore | 50 // old texture manager and is just to give us a default memory allocation be
fore |
52 // we get a callback from the GPU memory manager. We should probaby either: | 51 // we get a callback from the GPU memory manager. We should probaby either: |
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138 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); | 137 return PriorityCalculator::priorityIsLower(a->requestPriorityAtLastP
riorityUpdate(), b->requestPriorityAtLastPriorityUpdate()); |
139 // Finally sort by being in the impl tree versus being completely unrefe
renced | 138 // Finally sort by being in the impl tree versus being completely unrefe
renced |
140 if (a->inDrawingImplTree() != b->inDrawingImplTree()) | 139 if (a->inDrawingImplTree() != b->inDrawingImplTree()) |
141 return (a->inDrawingImplTree() < b->inDrawingImplTree()); | 140 return (a->inDrawingImplTree() < b->inDrawingImplTree()); |
142 return a < b; | 141 return a < b; |
143 } | 142 } |
144 | 143 |
145 PrioritizedTextureManager(size_t maxMemoryLimitBytes, int maxTextureSize, in
t pool); | 144 PrioritizedTextureManager(size_t maxMemoryLimitBytes, int maxTextureSize, in
t pool); |
146 | 145 |
147 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); | 146 bool evictBackingsToReduceMemory(size_t limitBytes, int priorityCutoff, Evic
tionPolicy, ResourceProvider*); |
148 PrioritizedTexture::Backing* createBacking(IntSize, GLenum format, ResourceP
rovider*); | 147 PrioritizedTexture::Backing* createBacking(gfx::Size, GLenum format, Resourc
eProvider*); |
149 void evictFirstBackingResource(ResourceProvider*); | 148 void evictFirstBackingResource(ResourceProvider*); |
150 void deleteUnlinkedEvictedBackings(); | 149 void deleteUnlinkedEvictedBackings(); |
151 void sortBackings(); | 150 void sortBackings(); |
152 | 151 |
153 void assertInvariants(); | 152 void assertInvariants(); |
154 | 153 |
155 size_t m_maxMemoryLimitBytes; | 154 size_t m_maxMemoryLimitBytes; |
156 // The priority cutoff based on memory pressure. This is not a strict | 155 // The priority cutoff based on memory pressure. This is not a strict |
157 // cutoff -- requestLate allows textures with priority equal to this | 156 // cutoff -- requestLate allows textures with priority equal to this |
158 // cutoff to be allowed. | 157 // cutoff to be allowed. |
(...skipping 26 matching lines...) Expand all Loading... |
185 // Statistics copied at the time of pushTexturePrioritiesToBackings. | 184 // Statistics copied at the time of pushTexturePrioritiesToBackings. |
186 size_t m_memoryVisibleLastPushedBytes; | 185 size_t m_memoryVisibleLastPushedBytes; |
187 size_t m_memoryVisibleAndNearbyLastPushedBytes; | 186 size_t m_memoryVisibleAndNearbyLastPushedBytes; |
188 | 187 |
189 DISALLOW_COPY_AND_ASSIGN(PrioritizedTextureManager); | 188 DISALLOW_COPY_AND_ASSIGN(PrioritizedTextureManager); |
190 }; | 189 }; |
191 | 190 |
192 } // namespace cc | 191 } // namespace cc |
193 | 192 |
194 #endif | 193 #endif |
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