1// Copyright 2013 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_TEST_TEST_CONTEXT_PROVIDER_H_
6#define CC_TEST_TEST_CONTEXT_PROVIDER_H_
7
8#include "base/callback.h"
9#include "base/memory/scoped_ptr.h"
10#include "base/memory/weak_ptr.h"
11#include "base/synchronization/lock.h"
12#include "base/threading/thread_checker.h"
13#include "cc/output/context_provider.h"
14#include "cc/test/test_context_support.h"
15#include "gpu/command_buffer/client/gles2_interface_stub.h"
16
17namespace cc {
18class TestWebGraphicsContext3D;
19class TestGLES2Interface;
20
21class TestContextProvider : public ContextProvider {
22 public:
23  typedef base::Callback<scoped_ptr<TestWebGraphicsContext3D>(void)>
24    CreateCallback;
25
26  static scoped_refptr<TestContextProvider> Create();
27  static scoped_refptr<TestContextProvider> Create(
28      scoped_ptr<TestWebGraphicsContext3D> context);
29
30  virtual bool BindToCurrentThread() OVERRIDE;
31  virtual Capabilities ContextCapabilities() OVERRIDE;
32  virtual gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
33  virtual gpu::ContextSupport* ContextSupport() OVERRIDE;
34  virtual class GrContext* GrContext() OVERRIDE;
35  virtual bool IsContextLost() OVERRIDE;
36  virtual void VerifyContexts() OVERRIDE;
37  virtual void DeleteCachedResources() OVERRIDE;
38  virtual bool DestroyedOnMainThread() OVERRIDE;
39  virtual void SetLostContextCallback(const LostContextCallback& cb) OVERRIDE;
40  virtual void SetMemoryPolicyChangedCallback(
41      const MemoryPolicyChangedCallback& cb) OVERRIDE;
42
43  TestWebGraphicsContext3D* TestContext3d();
44
45  // This returns the TestWebGraphicsContext3D but is valid to call
46  // before the context is bound to a thread. This is needed to set up
47  // state on the test context before binding. Don't call
48  // InitializeOnCurrentThread on the context returned from this method.
49  TestWebGraphicsContext3D* UnboundTestContext3d();
50
51  TestContextSupport* support() { return &support_; }
52
53  void SetMemoryAllocation(const ManagedMemoryPolicy& policy);
54
55  void SetMaxTransferBufferUsageBytes(size_t max_transfer_buffer_usage_bytes);
56
57 protected:
58  explicit TestContextProvider(scoped_ptr<TestWebGraphicsContext3D> context);
59  virtual ~TestContextProvider();
60
61 private:
62  void OnLostContext();
63
64  TestContextSupport support_;
65
66  scoped_ptr<TestWebGraphicsContext3D> context3d_;
67  scoped_ptr<TestGLES2Interface> context_gl_;
68  bool bound_;
69
70  base::ThreadChecker main_thread_checker_;
71  base::ThreadChecker context_thread_checker_;
72
73  base::Lock destroyed_lock_;
74  bool destroyed_;
75
76  LostContextCallback lost_context_callback_;
77  MemoryPolicyChangedCallback memory_policy_changed_callback_;
78
79  base::WeakPtrFactory<TestContextProvider> weak_ptr_factory_;
80
81  DISALLOW_COPY_AND_ASSIGN(TestContextProvider);
82};
83
84}  // namespace cc
85
86#endif  // CC_TEST_TEST_CONTEXT_PROVIDER_H_
87
88