blob: 2e11a220f41da1ace4568978890687f974ea61f1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// 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.
#ifndef CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
#define CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
#include "base/memory/weak_ptr.h"
#include "base/values.h"
#include "cc/resources/raster_worker_pool.h"
#include "cc/resources/rasterizer.h"
namespace cc {
class ResourceProvider;
class CC_EXPORT ImageRasterWorkerPool : public RasterWorkerPool,
public Rasterizer,
public RasterizerTaskClient {
public:
virtual ~ImageRasterWorkerPool();
static scoped_ptr<RasterWorkerPool> Create(
base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider);
// Overridden from RasterWorkerPool:
virtual Rasterizer* AsRasterizer() OVERRIDE;
// Overridden from Rasterizer:
virtual void SetClient(RasterizerClient* client) OVERRIDE;
virtual void Shutdown() OVERRIDE;
virtual void ScheduleTasks(RasterTaskQueue* queue) OVERRIDE;
virtual void CheckForCompletedTasks() OVERRIDE;
// Overridden from RasterizerTaskClient:
virtual SkCanvas* AcquireCanvasForRaster(RasterTask* task) OVERRIDE;
virtual void ReleaseCanvasForRaster(RasterTask* task) OVERRIDE;
protected:
ImageRasterWorkerPool(base::SequencedTaskRunner* task_runner,
TaskGraphRunner* task_graph_runner,
ResourceProvider* resource_provider);
private:
void OnRasterFinished();
void OnRasterRequiredForActivationFinished();
scoped_ptr<base::Value> StateAsValue() const;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
TaskGraphRunner* task_graph_runner_;
const NamespaceToken namespace_token_;
RasterizerClient* client_;
ResourceProvider* resource_provider_;
bool raster_tasks_pending_;
bool raster_tasks_required_for_activation_pending_;
base::WeakPtrFactory<ImageRasterWorkerPool> raster_finished_weak_ptr_factory_;
scoped_refptr<RasterizerTask> raster_finished_task_;
scoped_refptr<RasterizerTask> raster_required_for_activation_finished_task_;
// Task graph used when scheduling tasks and vector used to gather
// completed tasks.
TaskGraph graph_;
Task::Vector completed_tasks_;
DISALLOW_COPY_AND_ASSIGN(ImageRasterWorkerPool);
};
} // namespace cc
#endif // CC_RESOURCES_IMAGE_RASTER_WORKER_POOL_H_
|
