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       scoped_ptr<TestWebGraphicsContext3D> context);
  29
  30   virtual bool BindToCurrentThread() OVERRIDE;
  31   virtual Capabilities ContextCapabilities() OVERRIDE;
  32   virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE;
  33   virtual class GrContext* GrContext() OVERRIDE;
  34   virtual void VerifyContexts() OVERRIDE;
  35   virtual bool DestroyedOnMainThread() OVERRIDE;
  36   virtual void SetLostContextCallback(const LostContextCallback& cb) OVERRIDE;
  37   virtual void SetSwapBuffersCompleteCallback(
  38       const SwapBuffersCompleteCallback& cb) OVERRIDE;
  39   virtual void SetMemoryPolicyChangedCallback(
  40       const MemoryPolicyChangedCallback& cb) OVERRIDE;
  41
  42   TestWebGraphicsContext3D* TestContext3d();
  43
  44   // This returns the TestWebGraphicsContext3D but is valid to call
  45   // before the context is bound to a thread. This is needed to set up
  46   // state on the test context before binding. Don't call
  47   // makeContextCurrent on the context returned from this method.
  48   TestWebGraphicsContext3D* UnboundTestContext3d();
  49
  50   void SetMemoryAllocation(const ManagedMemoryPolicy& policy,
  51                            bool discard_backbuffer_when_not_visible);
  52
  53   void SetMaxTransferBufferUsageBytes(size_t max_transfer_buffer_usage_bytes);
  54
  55  protected:
  56   TestContextProvider(scoped_ptr<TestWebGraphicsContext3D> context);
  57   virtual ~TestContextProvider();
  58
  59   void OnLostContext();
  60   void OnSwapBuffersComplete();
  61
  62   scoped_ptr<TestWebGraphicsContext3D> context3d_;
  63   bool bound_;
  64
  65   base::ThreadChecker main_thread_checker_;
  66   base::ThreadChecker context_thread_checker_;
  67
  68   base::Lock destroyed_lock_;
  69   bool destroyed_;
  70
  71   LostContextCallback lost_context_callback_;
  72   SwapBuffersCompleteCallback swap_buffers_complete_callback_;
  73   MemoryPolicyChangedCallback memory_policy_changed_callback_;
  74
  75   class LostContextCallbackProxy;
  76   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
  77
  78   class SwapBuffersCompleteCallbackProxy;
  79   scoped_ptr<SwapBuffersCompleteCallbackProxy>
  80       swap_buffers_complete_callback_proxy_;
  81 };
  82
  83 }  // namespace cc
  84
  85 #endif  // CC_DEBUG_TEST_CONTEXT_PROVIDER_H_
  86