cc/debug/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_DEBUG_TEST_CONTEXT_PROVIDER_H_
   6 #define CC_DEBUG_TEST_CONTEXT_PROVIDER_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/synchronization/lock.h"
  11 #include "base/threading/thread_checker.h"
  12 #include "cc/base/cc_export.h"
  13 #include "cc/output/context_provider.h"
  14
  15 namespace WebKit { class WebGraphicsContext3D; }
  16
  17 namespace cc {
  18 class TestWebGraphicsContext3D;
  19
  20 class CC_EXPORT TestContextProvider
  21     : public NON_EXPORTED_BASE(cc::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       const CreateCallback& create_callback);
  29   static scoped_refptr<TestContextProvider> Create(
  30       scoped_ptr<TestWebGraphicsContext3D> context);
  31
  32   virtual bool BindToCurrentThread() OVERRIDE;
  33   virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE;
  34   virtual class GrContext* GrContext() OVERRIDE;
  35   virtual void VerifyContexts() OVERRIDE;
  36   virtual bool DestroyedOnMainThread() OVERRIDE;
  37   virtual void SetLostContextCallback(const LostContextCallback& cb) OVERRIDE;
  38   virtual void SetSwapBuffersCompleteCallback(
  39       const SwapBuffersCompleteCallback& cb) OVERRIDE;
  40   virtual void SetMemoryPolicyChangedCallback(
  41       const MemoryPolicyChangedCallback& cb) OVERRIDE;
  42
  43   TestWebGraphicsContext3D* TestContext3d() { return context3d_.get(); }
  44
  45   void SetMemoryAllocation(const ManagedMemoryPolicy& policy,
  46                            bool discard_backbuffer_when_not_visible);
  47
  48  protected:
  49   TestContextProvider();
  50   virtual ~TestContextProvider();
  51
  52   bool InitializeOnMainThread(const CreateCallback& create_callback);
  53
  54   void OnLostContext();
  55   void OnSwapBuffersComplete();
  56
  57   scoped_ptr<TestWebGraphicsContext3D> context3d_;
  58   bool bound_;
  59
  60   base::ThreadChecker main_thread_checker_;
  61   base::ThreadChecker context_thread_checker_;
  62
  63   base::Lock destroyed_lock_;
  64   bool destroyed_;
  65
  66   LostContextCallback lost_context_callback_;
  67   SwapBuffersCompleteCallback swap_buffers_complete_callback_;
  68   MemoryPolicyChangedCallback memory_policy_changed_callback_;
  69
  70   class LostContextCallbackProxy;
  71   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
  72
  73   class SwapBuffersCompleteCallbackProxy;
  74   scoped_ptr<SwapBuffersCompleteCallbackProxy>
  75       swap_buffers_complete_callback_proxy_;
  76 };
  77
  78 }  // namespace cc
  79
  80 #endif  // CC_DEBUG_TEST_CONTEXT_PROVIDER_H_
  81