cc/test/test_context_provider.h

   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
  17 namespace cc {
  18 class TestWebGraphicsContext3D;
  19 class TestGLES2Interface;
  20
  21 class 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   bool BindToCurrentThread() override;
  31   Capabilities ContextCapabilities() override;
  32   gpu::gles2::GLES2Interface* ContextGL() override;
  33   gpu::ContextSupport* ContextSupport() override;
  34   class GrContext* GrContext() override;
  35   bool IsContextLost() override;
  36   void VerifyContexts() override;
  37   void DeleteCachedResources() override;
  38   bool DestroyedOnMainThread() override;
  39   void SetLostContextCallback(const LostContextCallback& cb) override;
  40   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   ~TestContextProvider() override;
  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