cc/test/fake_tile_manager.cc

   1 // Copyright 2012 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/test/fake_tile_manager.h"
   6
   7 #include <deque>
   8 #include <limits>
   9
  10 #include "base/lazy_instance.h"
  11 #include "base/thread_task_runner_handle.h"
  12 #include "cc/raster/raster_buffer.h"
  13 #include "cc/raster/tile_task_runner.h"
  14
  15 namespace cc {
  16
  17 namespace {
  18
  19 class FakeTileTaskRunnerImpl : public TileTaskRunner, public TileTaskClient {
  20  public:
  21   // Overridden from TileTaskRunner:
  22   void SetClient(TileTaskRunnerClient* client) override {}
  23   void Shutdown() override {}
  24   void ScheduleTasks(TileTaskQueue* queue) override {
  25     for (TileTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
  26          it != queue->items.end(); ++it) {
  27       RasterTask* task = it->task;
  28
  29       task->WillSchedule();
  30       task->ScheduleOnOriginThread(this);
  31       task->DidSchedule();
  32
  33       completed_tasks_.push_back(task);
  34     }
  35   }
  36   void CheckForCompletedTasks() override {
  37     for (RasterTask::Vector::iterator it = completed_tasks_.begin();
  38          it != completed_tasks_.end();
  39          ++it) {
  40       RasterTask* task = it->get();
  41
  42       task->WillComplete();
  43       task->CompleteOnOriginThread(this);
  44       task->DidComplete();
  45
  46       task->RunReplyOnOriginThread();
  47     }
  48     completed_tasks_.clear();
  49   }
  50   ResourceFormat GetResourceFormat() const override { return RGBA_8888; }
  51   bool GetResourceRequiresSwizzle() const override {
  52     return !PlatformColor::SameComponentOrder(GetResourceFormat());
  53   }
  54
  55   // Overridden from TileTaskClient:
  56   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
  57       const Resource* resource,
  58       uint64_t resource_content_id,
  59       uint64_t previous_content_id) override {
  60     return nullptr;
  61   }
  62   void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override {}
  63
  64  private:
  65   RasterTask::Vector completed_tasks_;
  66 };
  67 base::LazyInstance<FakeTileTaskRunnerImpl> g_fake_tile_task_runner =
  68     LAZY_INSTANCE_INITIALIZER;
  69
  70 }  // namespace
  71
  72 FakeTileManager::FakeTileManager(TileManagerClient* client)
  73     : TileManager(client,
  74                   base::ThreadTaskRunnerHandle::Get(),
  75                   nullptr,
  76                   g_fake_tile_task_runner.Pointer(),
  77                   std::numeric_limits<size_t>::max()) {
  78 }
  79
  80 FakeTileManager::FakeTileManager(TileManagerClient* client,
  81                                  ResourcePool* resource_pool)
  82     : TileManager(client,
  83                   base::ThreadTaskRunnerHandle::Get(),
  84                   resource_pool,
  85                   g_fake_tile_task_runner.Pointer(),
  86                   std::numeric_limits<size_t>::max()) {
  87 }
  88
  89 FakeTileManager::~FakeTileManager() {}
  90
  91 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {
  92   return std::find(tiles_for_raster.begin(),
  93                    tiles_for_raster.end(),
  94                    tile) != tiles_for_raster.end();
  95 }
  96
  97 void FakeTileManager::Release(Tile* tile) {
  98   TileManager::Release(tile);
  99
 100   FreeResourcesForReleasedTiles();
 101   CleanUpReleasedTiles();
 102 }
 103
 104 }  // namespace cc