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   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 bool DestroyedOnMainThread() OVERRIDE;
  38   virtual void SetLostContextCallback(const LostContextCallback& 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   TestContextSupport* support() { return &support_; }
  51
  52   void SetMemoryAllocation(const ManagedMemoryPolicy& policy);
  53
  54   void SetMaxTransferBufferUsageBytes(size_t max_transfer_buffer_usage_bytes);
  55
  56  protected:
  57   explicit TestContextProvider(scoped_ptr<TestWebGraphicsContext3D> context);
  58   virtual ~TestContextProvider();
  59
  60  private:
  61   void OnLostContext();
  62
  63   TestContextSupport support_;
  64
  65   scoped_ptr<TestWebGraphicsContext3D> context3d_;
  66   scoped_ptr<TestGLES2Interface> context_gl_;
  67   bool bound_;
  68
  69   base::ThreadChecker main_thread_checker_;
  70   base::ThreadChecker context_thread_checker_;
  71
  72   base::Lock destroyed_lock_;
  73   bool destroyed_;
  74
  75   LostContextCallback lost_context_callback_;
  76   MemoryPolicyChangedCallback memory_policy_changed_callback_;
  77
  78   base::WeakPtrFactory<TestContextProvider> weak_ptr_factory_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(TestContextProvider);
  81 };
  82
  83 }  // namespace cc
  84
  85 #endif  // CC_TEST_TEST_CONTEXT_PROVIDER_H_
  86