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     completed_tasks_.clear();
  47   }
  48   ResourceFormat GetResourceFormat() const override { return RGBA_8888; }
  49   bool GetResourceRequiresSwizzle() const override {
  50     return !PlatformColor::SameComponentOrder(GetResourceFormat());
  51   }
  52
  53   // Overridden from TileTaskClient:
  54   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
  55       const Resource* resource,
  56       uint64_t resource_content_id,
  57       uint64_t previous_content_id) override {
  58     return nullptr;
  59   }
  60   void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) override {}
  61
  62  private:
  63   RasterTask::Vector completed_tasks_;
  64 };
  65 base::LazyInstance<FakeTileTaskRunnerImpl> g_fake_tile_task_runner =
  66     LAZY_INSTANCE_INITIALIZER;
  67
  68 }  // namespace
  69
  70 FakeTileManager::FakeTileManager(TileManagerClient* client)
  71     : TileManager(client,
  72                   base::ThreadTaskRunnerHandle::Get(),
  73                   std::numeric_limits<size_t>::max()) {
  74   SetResources(nullptr, g_fake_tile_task_runner.Pointer(),
  75                std::numeric_limits<size_t>::max());
  76 }
  77
  78 FakeTileManager::FakeTileManager(TileManagerClient* client,
  79                                  ResourcePool* resource_pool)
  80     : TileManager(client,
  81                   base::ThreadTaskRunnerHandle::Get(),
  82                   std::numeric_limits<size_t>::max()) {
  83   SetResources(resource_pool, g_fake_tile_task_runner.Pointer(),
  84                std::numeric_limits<size_t>::max());
  85 }
  86
  87 FakeTileManager::~FakeTileManager() {}
  88
  89 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {
  90   return std::find(tiles_for_raster.begin(),
  91                    tiles_for_raster.end(),
  92                    tile) != tiles_for_raster.end();
  93 }
  94
  95 void FakeTileManager::Release(Tile* tile) {
  96   TileManager::Release(tile);
  97
  98   FreeResourcesForReleasedTiles();
  99   CleanUpReleasedTiles();
 100 }
 101
 102 }  // namespace cc