cc: Renaming Rasterizer and RasterWorkerPool interfaces

cc/resources/zero_copy_tile_task_worker_pool.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "cc/resources/zero_copy_raster_worker_pool.h"
+#include "cc/resources/zero_copy_tile_task_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
 #include "base/strings/stringprintf.h"
 #include "cc/debug/traced_value.h"
 #include "cc/resources/raster_buffer.h"
 #include "cc/resources/resource.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace cc {
 namespace {
 
 class RasterBufferImpl : public RasterBuffer {
  public:
   RasterBufferImpl(ResourceProvider* resource_provider,
                    const Resource* resource)
       : lock_(resource_provider, resource->id()), resource_(resource) {}
 
   // Overridden from RasterBuffer:
   void Playback(const RasterSource* raster_source,
                 const gfx::Rect& rect,
                 float scale) override {
     gfx::GpuMemoryBuffer* gpu_memory_buffer = lock_.GetGpuMemoryBuffer();
     if (!gpu_memory_buffer)
       return;
 
-    RasterWorkerPool::PlaybackToMemory(
+    TileTaskWorkerPool::PlaybackToMemory(
         gpu_memory_buffer->Map(), resource_->format(), resource_->size(),
         gpu_memory_buffer->GetStride(), raster_source, rect, scale);
     gpu_memory_buffer->Unmap();
   }
 
  private:
   ResourceProvider::ScopedWriteLockGpuMemoryBuffer lock_;
   const Resource* resource_;
 
   DISALLOW_COPY_AND_ASSIGN(RasterBufferImpl);
 };
 
 }  // namespace
 
 // static
-scoped_ptr<RasterWorkerPool> ZeroCopyRasterWorkerPool::Create(
+scoped_ptr<TileTaskWorkerPool> ZeroCopyTileTaskWorkerPool::Create(
     base::SequencedTaskRunner* task_runner,
     TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider) {
-  return make_scoped_ptr<RasterWorkerPool>(new ZeroCopyRasterWorkerPool(
+  return make_scoped_ptr<TileTaskWorkerPool>(new ZeroCopyTileTaskWorkerPool(
       task_runner, task_graph_runner, resource_provider));
 }
 
-ZeroCopyRasterWorkerPool::ZeroCopyRasterWorkerPool(
+ZeroCopyTileTaskWorkerPool::ZeroCopyTileTaskWorkerPool(
     base::SequencedTaskRunner* task_runner,
     TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider)
     : task_runner_(task_runner),
       task_graph_runner_(task_graph_runner),
       namespace_token_(task_graph_runner->GetNamespaceToken()),
       resource_provider_(resource_provider),
-      raster_finished_weak_ptr_factory_(this) {
+      task_set_finished_weak_ptr_factory_(this) {
 }
 
-ZeroCopyRasterWorkerPool::~ZeroCopyRasterWorkerPool() {
+ZeroCopyTileTaskWorkerPool::~ZeroCopyTileTaskWorkerPool() {
 }
 
-Rasterizer* ZeroCopyRasterWorkerPool::AsRasterizer() {
+TileTaskRunner* ZeroCopyTileTaskWorkerPool::AsTileTaskRunner() {
   return this;
 }
 
-void ZeroCopyRasterWorkerPool::SetClient(RasterizerClient* client) {
+void ZeroCopyTileTaskWorkerPool::SetClient(TileTaskRunnerClient* client) {
   client_ = client;
 }
 
-void ZeroCopyRasterWorkerPool::Shutdown() {
-  TRACE_EVENT0("cc", "ZeroCopyRasterWorkerPool::Shutdown");
+void ZeroCopyTileTaskWorkerPool::Shutdown() {
+  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::Shutdown");
 
   TaskGraph empty;
   task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
   task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
 }
 
-void ZeroCopyRasterWorkerPool::ScheduleTasks(RasterTaskQueue* queue) {
-  TRACE_EVENT0("cc", "ZeroCopyRasterWorkerPool::ScheduleTasks");
+void ZeroCopyTileTaskWorkerPool::ScheduleTasks(TileTaskQueue* queue) {
+  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::ScheduleTasks");
 
-  if (raster_pending_.none())
+  if (tasks_pending_.none())
     TRACE_EVENT_ASYNC_BEGIN0("cc", "ScheduledTasks", this);
 
   // Mark all task sets as pending.
-  raster_pending_.set();
+  tasks_pending_.set();
 
-  unsigned priority = kRasterTaskPriorityBase;
+  unsigned priority = kTileTaskPriorityBase;
 
   graph_.Reset();
 
-  // Cancel existing OnRasterFinished callbacks.
-  raster_finished_weak_ptr_factory_.InvalidateWeakPtrs();
+  // Cancel existing OnTaskSetFinished callbacks.
+  task_set_finished_weak_ptr_factory_.InvalidateWeakPtrs();
 
-  scoped_refptr<RasterizerTask> new_raster_finished_tasks[kNumberOfTaskSets];
+  scoped_refptr<TileTask> new_task_set_finished_tasks[kNumberOfTaskSets];
 
   size_t task_count[kNumberOfTaskSets] = {0};
 
   for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
-    new_raster_finished_tasks[task_set] = CreateRasterFinishedTask(
+    new_task_set_finished_tasks[task_set] = CreateTaskSetFinishedTask(
         task_runner_.get(),
-        base::Bind(&ZeroCopyRasterWorkerPool::OnRasterFinished,
-                   raster_finished_weak_ptr_factory_.GetWeakPtr(),
-                   task_set));
+        base::Bind(&ZeroCopyTileTaskWorkerPool::OnTaskSetFinished,
+                   task_set_finished_weak_ptr_factory_.GetWeakPtr(), task_set));
   }
 
-  for (RasterTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
-       it != queue->items.end();
-       ++it) {
-    const RasterTaskQueue::Item& item = *it;
+  for (TileTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
+       it != queue->items.end(); ++it) {
+    const TileTaskQueue::Item& item = *it;
     RasterTask* task = item.task;
     DCHECK(!task->HasCompleted());
 
     for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
       if (!item.task_sets[task_set])
         continue;
 
       ++task_count[task_set];
 
       graph_.edges.push_back(
-          TaskGraph::Edge(task, new_raster_finished_tasks[task_set].get()));
+          TaskGraph::Edge(task, new_task_set_finished_tasks[task_set].get()));
     }
 
     InsertNodesForRasterTask(&graph_, task, task->dependencies(), priority++);
   }
 
   for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set) {
-    InsertNodeForTask(&graph_,
-                      new_raster_finished_tasks[task_set].get(),
-                      kRasterFinishedTaskPriority,
-                      task_count[task_set]);
+    InsertNodeForTask(&graph_, new_task_set_finished_tasks[task_set].get(),
+                      kTaskSetFinishedTaskPriority, task_count[task_set]);
   }
 
   ScheduleTasksOnOriginThread(this, &graph_);
   task_graph_runner_->ScheduleTasks(namespace_token_, &graph_);
 
-  std::copy(new_raster_finished_tasks,
-            new_raster_finished_tasks + kNumberOfTaskSets,
-            raster_finished_tasks_);
+  std::copy(new_task_set_finished_tasks,
+            new_task_set_finished_tasks + kNumberOfTaskSets,
+            task_set_finished_tasks_);
 
-  TRACE_EVENT_ASYNC_STEP_INTO1(
-      "cc", "ScheduledTasks", this, "rasterizing", "state", StateAsValue());
+  TRACE_EVENT_ASYNC_STEP_INTO1("cc", "ScheduledTasks", this, "running", "state",
+                               StateAsValue());
 }
 
-void ZeroCopyRasterWorkerPool::CheckForCompletedTasks() {
-  TRACE_EVENT0("cc", "ZeroCopyRasterWorkerPool::CheckForCompletedTasks");
+void ZeroCopyTileTaskWorkerPool::CheckForCompletedTasks() {
+  TRACE_EVENT0("cc", "ZeroCopyTileTaskWorkerPool::CheckForCompletedTasks");
 
   task_graph_runner_->CollectCompletedTasks(namespace_token_,
                                             &completed_tasks_);
   for (Task::Vector::const_iterator it = completed_tasks_.begin();
-       it != completed_tasks_.end();
-       ++it) {
-    RasterizerTask* task = static_cast<RasterizerTask*>(it->get());
+       it != completed_tasks_.end(); ++it) {
+    TileTask* task = static_cast<TileTask*>(it->get());
 
     task->WillComplete();
     task->CompleteOnOriginThread(this);
     task->DidComplete();
 
     task->RunReplyOnOriginThread();
   }
   completed_tasks_.clear();
 }
 
-scoped_ptr<RasterBuffer> ZeroCopyRasterWorkerPool::AcquireBufferForRaster(
+scoped_ptr<RasterBuffer> ZeroCopyTileTaskWorkerPool::AcquireBufferForRaster(
     const Resource* resource) {
   return make_scoped_ptr<RasterBuffer>(
       new RasterBufferImpl(resource_provider_, resource));
 }
 
-void ZeroCopyRasterWorkerPool::ReleaseBufferForRaster(
+void ZeroCopyTileTaskWorkerPool::ReleaseBufferForRaster(
     scoped_ptr<RasterBuffer> buffer) {
   // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
 }
 
-void ZeroCopyRasterWorkerPool::OnRasterFinished(TaskSet task_set) {
-  TRACE_EVENT1(
-      "cc", "ZeroCopyRasterWorkerPool::OnRasterFinished", "task_set", task_set);
+void ZeroCopyTileTaskWorkerPool::OnTaskSetFinished(TaskSet task_set) {
+  TRACE_EVENT1("cc", "ZeroCopyTileTaskWorkerPool::OnTaskSetFinished",
+               "task_set", task_set);
 
-  DCHECK(raster_pending_[task_set]);
-  raster_pending_[task_set] = false;
-  if (raster_pending_.any()) {
-    TRACE_EVENT_ASYNC_STEP_INTO1(
-        "cc", "ScheduledTasks", this, "rasterizing", "state", StateAsValue());
+  DCHECK(tasks_pending_[task_set]);
+  tasks_pending_[task_set] = false;
+  if (tasks_pending_.any()) {
+    TRACE_EVENT_ASYNC_STEP_INTO1("cc", "ScheduledTasks", this, "running",
+                                 "state", StateAsValue());
   } else {
     TRACE_EVENT_ASYNC_END0("cc", "ScheduledTasks", this);
   }
-  client_->DidFinishRunningTasks(task_set);
+  client_->DidFinishRunningTileTasks(task_set);
 }
 
 scoped_refptr<base::debug::ConvertableToTraceFormat>
-ZeroCopyRasterWorkerPool::StateAsValue() const {
+ZeroCopyTileTaskWorkerPool::StateAsValue() const {
   scoped_refptr<base::debug::TracedValue> state =
       new base::debug::TracedValue();
 
   state->BeginArray("tasks_pending");
   for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set)
-    state->AppendBoolean(raster_pending_[task_set]);
+    state->AppendBoolean(tasks_pending_[task_set]);
   state->EndArray();
   return state;
 }
 
 }  // namespace cc