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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "cc/resources/rasterizer.h"
6 
7 #include <algorithm>
8 
9 namespace cc {
10 
RasterizerTask()11 RasterizerTask::RasterizerTask() : did_schedule_(false), did_complete_(false) {}
12 
~RasterizerTask()13 RasterizerTask::~RasterizerTask() {
14   // Debugging CHECKs to help track down a use-after-free.
15   CHECK(!did_schedule_);
16   CHECK(!did_run_ || did_complete_);
17 }
18 
AsImageDecodeTask()19 ImageDecodeTask* RasterizerTask::AsImageDecodeTask() { return NULL; }
20 
AsRasterTask()21 RasterTask* RasterizerTask::AsRasterTask() { return NULL; }
22 
WillSchedule()23 void RasterizerTask::WillSchedule() { DCHECK(!did_schedule_); }
24 
DidSchedule()25 void RasterizerTask::DidSchedule() {
26   did_schedule_ = true;
27   did_complete_ = false;
28 }
29 
HasBeenScheduled() const30 bool RasterizerTask::HasBeenScheduled() const { return did_schedule_; }
31 
WillComplete()32 void RasterizerTask::WillComplete() { DCHECK(!did_complete_); }
33 
DidComplete()34 void RasterizerTask::DidComplete() {
35   DCHECK(did_schedule_);
36   DCHECK(!did_complete_);
37   did_schedule_ = false;
38   did_complete_ = true;
39 }
40 
HasCompleted() const41 bool RasterizerTask::HasCompleted() const { return did_complete_; }
42 
ImageDecodeTask()43 ImageDecodeTask::ImageDecodeTask() {}
44 
~ImageDecodeTask()45 ImageDecodeTask::~ImageDecodeTask() {}
46 
AsImageDecodeTask()47 ImageDecodeTask* ImageDecodeTask::AsImageDecodeTask() { return this; }
48 
RasterTask(const Resource * resource,ImageDecodeTask::Vector * dependencies)49 RasterTask::RasterTask(const Resource* resource,
50                        ImageDecodeTask::Vector* dependencies)
51     : resource_(resource) {
52   dependencies_.swap(*dependencies);
53 }
54 
~RasterTask()55 RasterTask::~RasterTask() {}
56 
AsRasterTask()57 RasterTask* RasterTask::AsRasterTask() { return this; }
58 
Item(RasterTask * task,bool required_for_activation)59 RasterTaskQueue::Item::Item(RasterTask* task, bool required_for_activation)
60     : task(task), required_for_activation(required_for_activation) {}
61 
~Item()62 RasterTaskQueue::Item::~Item() {}
63 
RasterTaskQueue()64 RasterTaskQueue::RasterTaskQueue() : required_for_activation_count(0u) {}
65 
~RasterTaskQueue()66 RasterTaskQueue::~RasterTaskQueue() {}
67 
Swap(RasterTaskQueue * other)68 void RasterTaskQueue::Swap(RasterTaskQueue* other) {
69   items.swap(other->items);
70   std::swap(required_for_activation_count,
71             other->required_for_activation_count);
72 }
73 
Reset()74 void RasterTaskQueue::Reset() {
75   required_for_activation_count = 0u;
76   items.clear();
77 }
78 
79 }  // namespace cc
80