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Issue 2926513003: Use PaintImage in cc QueueImageDecode
Patch Set: rebase Created 3 years, 6 months ago
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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 #include "cc/tiles/decoded_image_tracker.h" 5 #include "cc/tiles/decoded_image_tracker.h"
6 6
7 namespace cc { 7 namespace cc {
8 namespace { 8 namespace {
9 const int kNumFramesToLock = 2; 9 const int kNumFramesToLock = 2;
10 } // namespace 10 } // namespace
11 11
12 DecodedImageTracker::DecodedImageTracker() = default; 12 DecodedImageTracker::DecodedImageTracker() = default;
13 DecodedImageTracker::~DecodedImageTracker() { 13 DecodedImageTracker::~DecodedImageTracker() {
14 for (auto& pair : locked_images_) 14 for (auto& pair : locked_images_)
15 image_controller_->UnlockImageDecode(pair.first); 15 image_controller_->UnlockImageDecode(pair.first);
16 } 16 }
17 17
18 void DecodedImageTracker::QueueImageDecode( 18 void DecodedImageTracker::QueueImageDecode(
19 const PaintImage& image, 19 const PaintImage& image,
20 const base::Callback<void(bool)>& callback) { 20 const base::Callback<void(bool)>& callback) {
21 DCHECK(image_controller_); 21 DCHECK(image_controller_);
22 // Queue the decode in the image controller, but switch out the callback for 22 // Queue the decode in the image controller, but switch out the callback for
23 // our own. 23 // our own.
24 image_controller_->QueueImageDecode( 24 image_controller_->QueueImageDecode(
25 image.sk_image(), base::Bind(&DecodedImageTracker::ImageDecodeFinished, 25 image, base::Bind(&DecodedImageTracker::ImageDecodeFinished,
26 base::Unretained(this), callback)); 26 base::Unretained(this), callback));
27 } 27 }
28 28
29 void DecodedImageTracker::NotifyFrameFinished() { 29 void DecodedImageTracker::NotifyFrameFinished() {
30 // Go through the images and if the frame ref count goes to 0, unlock the 30 // Go through the images and if the frame ref count goes to 0, unlock the
31 // image in the controller. 31 // image in the controller.
32 for (auto it = locked_images_.begin(); it != locked_images_.end();) { 32 for (auto it = locked_images_.begin(); it != locked_images_.end();) {
33 auto id = it->first; 33 auto id = it->first;
34 int& ref_count = it->second; 34 int& ref_count = it->second;
35 if (--ref_count != 0) { 35 if (--ref_count != 0) {
36 ++it; 36 ++it;
(...skipping 10 matching lines...) Expand all
47 ImageController::ImageDecodeResult result) { 47 ImageController::ImageDecodeResult result) {
48 if (result == ImageController::ImageDecodeResult::SUCCESS) 48 if (result == ImageController::ImageDecodeResult::SUCCESS)
49 locked_images_.push_back(std::make_pair(id, kNumFramesToLock)); 49 locked_images_.push_back(std::make_pair(id, kNumFramesToLock));
50 bool decode_succeeded = 50 bool decode_succeeded =
51 result == ImageController::ImageDecodeResult::SUCCESS || 51 result == ImageController::ImageDecodeResult::SUCCESS ||
52 result == ImageController::ImageDecodeResult::DECODE_NOT_REQUIRED; 52 result == ImageController::ImageDecodeResult::DECODE_NOT_REQUIRED;
53 callback.Run(decode_succeeded); 53 callback.Run(decode_succeeded);
54 } 54 }
55 55
56 } // namespace cc 56 } // namespace cc
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