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| 1 // Copyright 2014 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_TILE_TASK_RUNNER_H_ | |
| 6 #define CC_RASTER_TILE_TASK_RUNNER_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/callback.h" | |
| 13 #include "cc/raster/raster_buffer.h" | |
| 14 #include "cc/raster/task.h" | |
| 15 #include "cc/resources/resource_format.h" | |
| 16 | |
| 17 namespace cc { | |
| 18 | |
| 19 class CC_EXPORT TileTask : public Task { | |
| 20 public: | |
| 21 typedef std::vector<scoped_refptr<TileTask>> Vector; | |
| 22 | |
| 23 const TileTask::Vector& dependencies() const { return dependencies_; } | |
| 24 | |
| 25 // Indicates whether this TileTask can be run at the same time as other tasks | |
| 26 // in the task graph. If false, this task will be scheduled with | |
| 27 // TASK_CATEGORY_NONCONCURRENT_FOREGROUND. The base implementation always | |
| 28 // returns true. | |
| 29 bool SupportsConcurrentExecution() const { | |
| 30 return supports_concurrent_execution_; | |
| 31 } | |
| 32 | |
| 33 virtual void ScheduleOnOriginThread(RasterBufferProvider* provider) = 0; | |
| 34 virtual void CompleteOnOriginThread(RasterBufferProvider* provider) = 0; | |
| 35 | |
| 36 void WillSchedule(); | |
| 37 void DidSchedule(); | |
| 38 bool HasBeenScheduled() const; | |
| 39 | |
| 40 void WillComplete(); | |
| 41 void DidComplete(); | |
| 42 bool HasCompleted() const; | |
| 43 | |
| 44 protected: | |
| 45 explicit TileTask(bool supports_concurrent_execution); | |
| 46 TileTask(bool supports_concurrent_execution, TileTask::Vector* dependencies); | |
| 47 ~TileTask() override; | |
| 48 | |
| 49 const bool supports_concurrent_execution_; | |
| 50 TileTask::Vector dependencies_; | |
| 51 bool did_schedule_; | |
| 52 bool did_complete_; | |
| 53 }; | |
| 54 | |
| 55 // This interface can be used to schedule and run tile tasks. | |
| 56 // The client can call CheckForCompletedTasks() at any time to dispatch | |
| 57 // pending completion callbacks for all tasks that have finished running. | |
| 58 class CC_EXPORT TileTaskRunner { | |
| 59 public: | |
| 60 // Tells the worker pool to shutdown after canceling all previously scheduled | |
| 61 // tasks. Reply callbacks are still guaranteed to run when | |
| 62 // CheckForCompletedTasks() is called. | |
| 63 virtual void Shutdown() = 0; | |
| 64 | |
| 65 // Schedule running of tile tasks in |graph| and all dependencies. | |
| 66 // Previously scheduled tasks that are not in |graph| will be canceled unless | |
| 67 // already running. Once scheduled, reply callbacks are guaranteed to run for | |
| 68 // all tasks even if they later get canceled by another call to | |
| 69 // ScheduleTasks(). | |
| 70 virtual void ScheduleTasks(TaskGraph* graph) = 0; | |
| 71 | |
| 72 // Check for completed tasks and dispatch reply callbacks. | |
| 73 virtual void CheckForCompletedTasks() = 0; | |
| 74 | |
| 75 // Returns the format to use for the tiles. | |
| 76 virtual ResourceFormat GetResourceFormat(bool must_support_alpha) const = 0; | |
| 77 | |
| 78 // Determine if the resource requires swizzling. | |
| 79 virtual bool GetResourceRequiresSwizzle(bool must_support_alpha) const = 0; | |
| 80 | |
| 81 // Downcasting routine for RasterBufferProvider interface. | |
| 82 virtual RasterBufferProvider* AsRasterBufferProvider() = 0; | |
| 83 | |
| 84 protected: | |
| 85 // Check if resource format matches output format. | |
| 86 static bool ResourceFormatRequiresSwizzle(ResourceFormat format); | |
| 87 | |
| 88 virtual ~TileTaskRunner() {} | |
| 89 }; | |
| 90 | |
| 91 } // namespace cc | |
| 92 | |
| 93 #endif // CC_RASTER_TILE_TASK_RUNNER_H_ | |
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Chromium Code Reviews
Issue 1888713002:
cc: Merge TileTaskRunner to TileTaskWorkerPool. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@rename_tile_task_client