OLD | NEW |
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_CONTROLLER_H_ | 5 #ifndef CC_TILES_SOFTWARE_IMAGE_DECODE_CONTROLLER_H_ |
6 #define CC_TILES_SOFTWARE_IMAGE_DECODE_CONTROLLER_H_ | 6 #define CC_TILES_SOFTWARE_IMAGE_DECODE_CONTROLLER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <unordered_map> | 10 #include <unordered_map> |
(...skipping 182 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
193 void SanityCheckState(int line, bool lock_acquired); | 193 void SanityCheckState(int line, bool lock_acquired); |
194 void RefImage(const ImageKey& key); | 194 void RefImage(const ImageKey& key); |
195 void RefAtRasterImage(const ImageKey& key); | 195 void RefAtRasterImage(const ImageKey& key); |
196 void UnrefAtRasterImage(const ImageKey& key); | 196 void UnrefAtRasterImage(const ImageKey& key); |
197 | 197 |
198 // These functions indicate whether the images can be handled and cached by | 198 // These functions indicate whether the images can be handled and cached by |
199 // ImageDecodeController or whether they will fall through to Skia (with | 199 // ImageDecodeController or whether they will fall through to Skia (with |
200 // exception of possibly prerolling them). Over time these should return | 200 // exception of possibly prerolling them). Over time these should return |
201 // "false" in less cases, as the ImageDecodeController should start handling | 201 // "false" in less cases, as the ImageDecodeController should start handling |
202 // more of them. | 202 // more of them. |
203 bool CanHandleImage(const ImageKey& key, const DrawImage& image); | 203 bool CanHandleImage(const ImageKey& key); |
204 bool CanHandleFilterQuality(SkFilterQuality filter_quality); | |
205 | 204 |
206 std::unordered_map<ImageKey, scoped_refptr<ImageDecodeTask>, ImageKeyHash> | 205 std::unordered_map<ImageKey, scoped_refptr<ImageDecodeTask>, ImageKeyHash> |
207 pending_image_tasks_; | 206 pending_image_tasks_; |
208 | 207 |
209 // The members below this comment can only be accessed if the lock is held to | 208 // The members below this comment can only be accessed if the lock is held to |
210 // ensure that they are safe to access on multiple threads. | 209 // ensure that they are safe to access on multiple threads. |
211 base::Lock lock_; | 210 base::Lock lock_; |
212 | 211 |
213 std::deque<AnnotatedDecodedImage> decoded_images_; | 212 std::deque<AnnotatedDecodedImage> decoded_images_; |
214 std::unordered_map<ImageKey, int, ImageKeyHash> decoded_images_ref_counts_; | 213 std::unordered_map<ImageKey, int, ImageKeyHash> decoded_images_ref_counts_; |
215 std::deque<AnnotatedDecodedImage> at_raster_decoded_images_; | 214 std::deque<AnnotatedDecodedImage> at_raster_decoded_images_; |
216 std::unordered_map<ImageKey, int, ImageKeyHash> | 215 std::unordered_map<ImageKey, int, ImageKeyHash> |
217 at_raster_decoded_images_ref_counts_; | 216 at_raster_decoded_images_ref_counts_; |
218 MemoryBudget locked_images_budget_; | 217 MemoryBudget locked_images_budget_; |
219 | 218 |
220 // Note that this is used for cases where the only thing we do is preroll the | 219 // Note that this is used for cases where the only thing we do is preroll the |
221 // image the first time we see it. This mimics the previous behavior and | 220 // image the first time we see it. This mimics the previous behavior and |
222 // should over time change as the compositor starts to handle more cases. | 221 // should over time change as the compositor starts to handle more cases. |
223 std::unordered_set<uint32_t> prerolled_images_; | 222 std::unordered_set<uint32_t> prerolled_images_; |
224 }; | 223 }; |
225 | 224 |
226 } // namespace cc | 225 } // namespace cc |
227 | 226 |
228 #endif // CC_TILES_SOFTWARE_IMAGE_DECODE_CONTROLLER_H_ | 227 #endif // CC_TILES_SOFTWARE_IMAGE_DECODE_CONTROLLER_H_ |
OLD | NEW |