cc/resources/tile_task_runner.cc

   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/tile_task_runner.h"
   6
   7 #include <algorithm>
   8
   9 namespace cc {
  10
  11 TileTask::TileTask() : did_schedule_(false), did_complete_(false) {
  12 }
  13
  14 TileTask::~TileTask() {
  15   // Debugging CHECKs to help track down a use-after-free.
  16   CHECK(!did_schedule_);
  17   CHECK(!did_run_ || did_complete_);
  18 }
  19
  20 ImageDecodeTask* TileTask::AsImageDecodeTask() {
  21   return NULL;
  22 }
  23
  24 RasterTask* TileTask::AsRasterTask() {
  25   return NULL;
  26 }
  27
  28 void TileTask::WillSchedule() {
  29   DCHECK(!did_schedule_);
  30 }
  31
  32 void TileTask::DidSchedule() {
  33   did_schedule_ = true;
  34   did_complete_ = false;
  35 }
  36
  37 bool TileTask::HasBeenScheduled() const {
  38   return did_schedule_;
  39 }
  40
  41 void TileTask::WillComplete() {
  42   DCHECK(!did_complete_);
  43 }
  44
  45 void TileTask::DidComplete() {
  46   DCHECK(did_schedule_);
  47   DCHECK(!did_complete_);
  48   did_schedule_ = false;
  49   did_complete_ = true;
  50 }
  51
  52 bool TileTask::HasCompleted() const {
  53   return did_complete_;
  54 }
  55
  56 ImageDecodeTask::ImageDecodeTask() {
  57 }
  58
  59 ImageDecodeTask::~ImageDecodeTask() {
  60 }
  61
  62 ImageDecodeTask* ImageDecodeTask::AsImageDecodeTask() {
  63   return this;
  64 }
  65
  66 RasterTask::RasterTask(const Resource* resource,
  67                        ImageDecodeTask::Vector* dependencies)
  68     : resource_(resource) {
  69   dependencies_.swap(*dependencies);
  70 }
  71
  72 RasterTask::~RasterTask() {
  73 }
  74
  75 RasterTask* RasterTask::AsRasterTask() {
  76   return this;
  77 }
  78
  79 TileTaskQueue::Item::Item(RasterTask* task, const TaskSetCollection& task_sets)
  80     : task(task), task_sets(task_sets) {
  81   DCHECK(task_sets.any());
  82 }
  83
  84 TileTaskQueue::Item::~Item() {
  85 }
  86
  87 TileTaskQueue::TileTaskQueue() {
  88 }
  89
  90 TileTaskQueue::~TileTaskQueue() {
  91 }
  92
  93 void TileTaskQueue::Swap(TileTaskQueue* other) {
  94   items.swap(other->items);
  95 }
  96
  97 void TileTaskQueue::Reset() {
  98   items.clear();
  99 }
 100
 101 }  // namespace cc