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| 1 // Copyright 2015 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 #ifndef CC_RASTER_SYNCHRONOUS_TASK_GRAPH_RUNNER_H_ |
| 6 #define CC_RASTER_SYNCHRONOUS_TASK_GRAPH_RUNNER_H_ |
| 7 |
| 8 #include "cc/raster/task_graph_runner.h" |
| 9 #include "cc/raster/task_graph_work_queue.h" |
| 10 |
| 11 namespace cc { |
| 12 |
| 13 // Implements a TaskGraphRunner which runs synchronously. This runner only runs |
| 14 // tasks when RunUntilIdle is called. |
| 15 class CC_EXPORT SynchronousTaskGraphRunner : public TaskGraphRunner { |
| 16 public: |
| 17 SynchronousTaskGraphRunner(); |
| 18 ~SynchronousTaskGraphRunner() override; |
| 19 |
| 20 // Overridden from TaskGraphRunner: |
| 21 NamespaceToken GetNamespaceToken() override; |
| 22 void ScheduleTasks(NamespaceToken token, TaskGraph* graph) override; |
| 23 void WaitForTasksToFinishRunning(NamespaceToken token) override; |
| 24 void CollectCompletedTasks(NamespaceToken token, |
| 25 Task::Vector* completed_tasks) override; |
| 26 |
| 27 // Runs all pending tasks from all namespaces. |
| 28 void RunUntilIdle(); |
| 29 |
| 30 private: |
| 31 void RunTask(); |
| 32 |
| 33 // Stores the actual tasks to be run, sorted by priority. |
| 34 TaskGraphWorkQueue work_queue_; |
| 35 }; |
| 36 |
| 37 } // namespace cc |
| 38 |
| 39 #endif // CC_RASTER_SYNCHRONOUS_TASK_GRAPH_RUNNER_H_ |
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