Add preliminary support for hw-accelerated tile rasterization.

cc/resources/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/worker_pool.h"
 
 #include <algorithm>
 #include <queue>
 
 #include "base/bind.h"
@@ skipping 372 matching lines @@
 }
 
 void WorkerPool::Shutdown() {
   TRACE_EVENT0("cc", "WorkerPool::Shutdown");
 
   DCHECK(!in_dispatch_completion_callbacks_);
 
   inner_->Shutdown();
 }
 
-void WorkerPool::CheckForCompletedTasks() {
-  TRACE_EVENT0("cc", "WorkerPool::CheckForCompletedTasks");
+void WorkerPool::SetTaskGraph(TaskGraph* graph) {
+  TRACE_EVENT1("cc", "WorkerPool::SetTaskGraph",
+               "num_tasks", graph->size());
 
   DCHECK(!in_dispatch_completion_callbacks_);
 
+  inner_->SetTaskGraph(graph);
+}
+
+void WorkerPool::CheckForCompletedWorkerTasks() {
+  TRACE_EVENT0("cc", "WorkerPool::CheckForCompletedWorkerTasks");
+
+  DCHECK(!in_dispatch_completion_callbacks_);
+
   TaskVector completed_tasks;
   inner_->CollectCompletedTasks(&completed_tasks);
   ProcessCompletedTasks(completed_tasks);
 }
 
 void WorkerPool::ProcessCompletedTasks(
     const TaskVector& completed_tasks) {
   TRACE_EVENT1("cc", "WorkerPool::ProcessCompletedTasks",
                "completed_task_count", completed_tasks.size());
 
   // Worker pool instance is not reentrant while processing completed tasks.
   in_dispatch_completion_callbacks_ = true;
 
   for (TaskVector::const_iterator it = completed_tasks.begin();
        it != completed_tasks.end();
        ++it) {
     internal::WorkerPoolTask* task = it->get();
 
     task->WillComplete();
     task->CompleteOnOriginThread();
     task->DidComplete();
   }
 
   in_dispatch_completion_callbacks_ = false;
 }
 
-void WorkerPool::SetTaskGraph(TaskGraph* graph) {
-  TRACE_EVENT1("cc", "WorkerPool::SetTaskGraph",
-               "num_tasks", graph->size());
-
-  DCHECK(!in_dispatch_completion_callbacks_);
-
-  inner_->SetTaskGraph(graph);
-}
-
 }  // namespace cc