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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_GPU_IMAGE_DECODE_CONTROLLER_H_ | 5 #ifndef CC_TILES_GPU_IMAGE_DECODE_CONTROLLER_H_ |
| 6 #define CC_TILES_GPU_IMAGE_DECODE_CONTROLLER_H_ | 6 #define CC_TILES_GPU_IMAGE_DECODE_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include <unordered_map> | 9 #include <unordered_map> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/containers/mru_cache.h" | 12 #include "base/containers/mru_cache.h" |
| 13 #include "base/memory/discardable_memory.h" | 13 #include "base/memory/discardable_memory.h" |
| 14 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
| 15 #include "base/trace_event/memory_dump_provider.h" | 15 #include "base/trace_event/memory_dump_provider.h" |
| 16 #include "cc/base/cc_export.h" | 16 #include "cc/base/cc_export.h" |
| 17 #include "cc/resources/resource_format.h" | 17 #include "cc/resources/resource_format.h" |
| 18 #include "cc/tiles/image_decode_controller.h" | 18 #include "cc/tiles/image_decode_controller.h" |
| 19 #include "skia/ext/refptr.h" | |
| 20 | 19 |
| 21 class SkImageTextureData; | 20 class SkImageTextureData; |
| 22 | 21 |
| 23 namespace cc { | 22 namespace cc { |
| 24 | 23 |
| 25 class ContextProvider; | 24 class ContextProvider; |
| 26 | 25 |
| 27 // GpuImageDecodeController handles the decode and upload of images that will | 26 // GpuImageDecodeController handles the decode and upload of images that will |
| 28 // be used by Skia's GPU raster path. It also maintains a cache of these | 27 // be used by Skia's GPU raster path. It also maintains a cache of these |
| 29 // decoded/uploaded images for later re-use. | 28 // decoded/uploaded images for later re-use. |
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| 101 // Set to true if the image was corrupt and could not be decoded. | 100 // Set to true if the image was corrupt and could not be decoded. |
| 102 bool decode_failure; | 101 bool decode_failure; |
| 103 }; | 102 }; |
| 104 | 103 |
| 105 // Stores the GPU-side image and supporting fields. | 104 // Stores the GPU-side image and supporting fields. |
| 106 struct UploadedImageData { | 105 struct UploadedImageData { |
| 107 UploadedImageData(); | 106 UploadedImageData(); |
| 108 ~UploadedImageData(); | 107 ~UploadedImageData(); |
| 109 | 108 |
| 110 // May be null if image not yet uploaded / prepared. | 109 // May be null if image not yet uploaded / prepared. |
| 111 skia::RefPtr<SkImage> image; | 110 sk_sp<SkImage> image; |
| 112 // True if the image is counting against our memory limits. | 111 // True if the image is counting against our memory limits. |
| 113 bool budgeted; | 112 bool budgeted; |
| 114 uint32_t ref_count; | 113 uint32_t ref_count; |
| 115 }; | 114 }; |
| 116 | 115 |
| 117 struct ImageData { | 116 struct ImageData { |
| 118 ImageData(DecodedDataMode mode, size_t size); | 117 ImageData(DecodedDataMode mode, size_t size); |
| 119 ~ImageData(); | 118 ~ImageData(); |
| 120 | 119 |
| 121 const DecodedDataMode mode; | 120 const DecodedDataMode mode; |
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| 158 const DrawImage& image); | 157 const DrawImage& image); |
| 159 SkImageInfo CreateImageInfoForDrawImage(const DrawImage& draw_image) const; | 158 SkImageInfo CreateImageInfoForDrawImage(const DrawImage& draw_image) const; |
| 160 | 159 |
| 161 // The following two functions also require the |context_| lock to be held. | 160 // The following two functions also require the |context_| lock to be held. |
| 162 void UploadImageIfNecessary(const DrawImage& draw_image, | 161 void UploadImageIfNecessary(const DrawImage& draw_image, |
| 163 ImageData* image_data); | 162 ImageData* image_data); |
| 164 void DeletePendingImages(); | 163 void DeletePendingImages(); |
| 165 | 164 |
| 166 const ResourceFormat format_; | 165 const ResourceFormat format_; |
| 167 ContextProvider* context_; | 166 ContextProvider* context_; |
| 168 skia::RefPtr<GrContextThreadSafeProxy> context_threadsafe_proxy_; | 167 sk_sp<GrContextThreadSafeProxy> context_threadsafe_proxy_; |
| 169 | 168 |
| 170 // All members below this point must only be accessed while holding |lock_|. | 169 // All members below this point must only be accessed while holding |lock_|. |
| 171 base::Lock lock_; | 170 base::Lock lock_; |
| 172 | 171 |
| 173 std::unordered_map<uint32_t, scoped_refptr<ImageDecodeTask>> | 172 std::unordered_map<uint32_t, scoped_refptr<ImageDecodeTask>> |
| 174 pending_image_upload_tasks_; | 173 pending_image_upload_tasks_; |
| 175 std::unordered_map<uint32_t, scoped_refptr<ImageDecodeTask>> | 174 std::unordered_map<uint32_t, scoped_refptr<ImageDecodeTask>> |
| 176 pending_image_decode_tasks_; | 175 pending_image_decode_tasks_; |
| 177 | 176 |
| 178 ImageDataMRUCache image_data_; | 177 ImageDataMRUCache image_data_; |
| 179 | 178 |
| 180 size_t cached_items_limit_; | 179 size_t cached_items_limit_; |
| 181 size_t cached_bytes_limit_; | 180 size_t cached_bytes_limit_; |
| 182 size_t bytes_used_; | 181 size_t bytes_used_; |
| 183 | 182 |
| 184 // We can't release GPU backed SkImages without holding the context lock, | 183 // We can't release GPU backed SkImages without holding the context lock, |
| 185 // so we add them to this list and defer deletion until the next time the lock | 184 // so we add them to this list and defer deletion until the next time the lock |
| 186 // is held. | 185 // is held. |
| 187 std::vector<skia::RefPtr<SkImage>> images_pending_deletion_; | 186 std::vector<sk_sp<SkImage>> images_pending_deletion_; |
| 188 }; | 187 }; |
| 189 | 188 |
| 190 } // namespace cc | 189 } // namespace cc |
| 191 | 190 |
| 192 #endif // CC_TILES_GPU_IMAGE_DECODE_CONTROLLER_H_ | 191 #endif // CC_TILES_GPU_IMAGE_DECODE_CONTROLLER_H_ |
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