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 Capabilities ContextCapabilities() OVERRIDE;
  34   virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE;
  35   virtual class GrContext* GrContext() OVERRIDE;
  36   virtual void VerifyContexts() OVERRIDE;
  37   virtual bool DestroyedOnMainThread() OVERRIDE;
  38   virtual void SetLostContextCallback(const LostContextCallback& cb) OVERRIDE;
  39   virtual void SetSwapBuffersCompleteCallback(
  40       const SwapBuffersCompleteCallback& cb) OVERRIDE;
  41   virtual void SetMemoryPolicyChangedCallback(
  42       const MemoryPolicyChangedCallback& cb) OVERRIDE;
  43
  44   TestWebGraphicsContext3D* TestContext3d();
  45
  46   // This returns the TestWebGraphicsContext3D but is valid to call
  47   // before the context is bound to a thread. This is needed to set up
  48   // state on the test context before binding. Don't call
  49   // makeContextCurrent on the context returned from this method.
  50   TestWebGraphicsContext3D* UnboundTestContext3d();
  51
  52   void SetMemoryAllocation(const ManagedMemoryPolicy& policy,
  53                            bool discard_backbuffer_when_not_visible);
  54
  55  protected:
  56   TestContextProvider();
  57   virtual ~TestContextProvider();
  58
  59   bool InitializeOnMainThread(const CreateCallback& create_callback);
  60
  61   void OnLostContext();
  62   void OnSwapBuffersComplete();
  63
  64   scoped_ptr<TestWebGraphicsContext3D> context3d_;
  65   bool bound_;
  66
  67   base::ThreadChecker main_thread_checker_;
  68   base::ThreadChecker context_thread_checker_;
  69
  70   base::Lock destroyed_lock_;
  71   bool destroyed_;
  72
  73   LostContextCallback lost_context_callback_;
  74   SwapBuffersCompleteCallback swap_buffers_complete_callback_;
  75   MemoryPolicyChangedCallback memory_policy_changed_callback_;
  76
  77   class LostContextCallbackProxy;
  78   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
  79
  80   class SwapBuffersCompleteCallbackProxy;
  81   scoped_ptr<SwapBuffersCompleteCallbackProxy>
  82       swap_buffers_complete_callback_proxy_;
  83 };
  84
  85 }  // namespace cc
  86
  87 #endif  // CC_DEBUG_TEST_CONTEXT_PROVIDER_H_
  88