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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ | 5 #ifndef CC_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ |
6 #define CC_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ | 6 #define CC_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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123 const DrawImage& image, | 123 const DrawImage& image, |
124 scoped_refptr<TileTask>* task) override; | 124 scoped_refptr<TileTask>* task) override; |
125 void UnrefImage(const DrawImage& image) override; | 125 void UnrefImage(const DrawImage& image) override; |
126 DecodedDrawImage GetDecodedImageForDraw(const DrawImage& image) override; | 126 DecodedDrawImage GetDecodedImageForDraw(const DrawImage& image) override; |
127 void DrawWithImageFinished(const DrawImage& image, | 127 void DrawWithImageFinished(const DrawImage& image, |
128 const DecodedDrawImage& decoded_image) override; | 128 const DecodedDrawImage& decoded_image) override; |
129 void ReduceCacheUsage() override; | 129 void ReduceCacheUsage() override; |
130 // Software doesn't keep outstanding images pinned, so this is a no-op. | 130 // Software doesn't keep outstanding images pinned, so this is a no-op. |
131 void SetShouldAggressivelyFreeResources( | 131 void SetShouldAggressivelyFreeResources( |
132 bool aggressively_free_resources) override {} | 132 bool aggressively_free_resources) override {} |
| 133 void ClearCache() override; |
133 | 134 |
134 // Decode the given image and store it in the cache. This is only called by an | 135 // Decode the given image and store it in the cache. This is only called by an |
135 // image decode task from a worker thread. | 136 // image decode task from a worker thread. |
136 void DecodeImage(const ImageKey& key, | 137 void DecodeImage(const ImageKey& key, |
137 const DrawImage& image, | 138 const DrawImage& image, |
138 DecodeTaskType task_type); | 139 DecodeTaskType task_type); |
139 | 140 |
140 void RemovePendingTask(const ImageKey& key, DecodeTaskType task_type); | 141 void RemovePendingTask(const ImageKey& key, DecodeTaskType task_type); |
141 | 142 |
142 // MemoryDumpProvider overrides. | 143 // MemoryDumpProvider overrides. |
143 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, | 144 bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, |
144 base::trace_event::ProcessMemoryDump* pmd) override; | 145 base::trace_event::ProcessMemoryDump* pmd) override; |
145 | 146 |
| 147 size_t GetNumCacheEntriesForTesting() const { return decoded_images_.size(); } |
| 148 |
146 private: | 149 private: |
147 // DecodedImage is a convenience storage for discardable memory. It can also | 150 // DecodedImage is a convenience storage for discardable memory. It can also |
148 // construct an image out of SkImageInfo and stored discardable memory. | 151 // construct an image out of SkImageInfo and stored discardable memory. |
149 class DecodedImage { | 152 class DecodedImage { |
150 public: | 153 public: |
151 DecodedImage(const SkImageInfo& info, | 154 DecodedImage(const SkImageInfo& info, |
152 std::unique_ptr<base::DiscardableMemory> memory, | 155 std::unique_ptr<base::DiscardableMemory> memory, |
153 const SkSize& src_rect_offset, | 156 const SkSize& src_rect_offset, |
154 uint64_t tracing_id); | 157 uint64_t tracing_id); |
155 ~DecodedImage(); | 158 ~DecodedImage(); |
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309 ResourceFormat format_; | 312 ResourceFormat format_; |
310 size_t max_items_in_cache_; | 313 size_t max_items_in_cache_; |
311 | 314 |
312 // Used to uniquely identify DecodedImages for memory traces. | 315 // Used to uniquely identify DecodedImages for memory traces. |
313 base::AtomicSequenceNumber next_tracing_id_; | 316 base::AtomicSequenceNumber next_tracing_id_; |
314 }; | 317 }; |
315 | 318 |
316 } // namespace cc | 319 } // namespace cc |
317 | 320 |
318 #endif // CC_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ | 321 #endif // CC_TILES_SOFTWARE_IMAGE_DECODE_CACHE_H_ |
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