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 #include "skia/ext/refptr.h"
  17
  18 namespace cc {
  19 class TestWebGraphicsContext3D;
  20 class TestGLES2Interface;
  21
  22 class TestContextProvider : public ContextProvider {
  23  public:
  24   typedef base::Callback<scoped_ptr<TestWebGraphicsContext3D>(void)>
  25     CreateCallback;
  26
  27   static scoped_refptr<TestContextProvider> Create();
  28   static scoped_refptr<TestContextProvider> Create(
  29       scoped_ptr<TestWebGraphicsContext3D> context);
  30
  31   bool BindToCurrentThread() override;
  32   Capabilities ContextCapabilities() override;
  33   gpu::gles2::GLES2Interface* ContextGL() override;
  34   gpu::ContextSupport* ContextSupport() override;
  35   class GrContext* GrContext() override;
  36   bool IsContextLost() override;
  37   void VerifyContexts() override;
  38   void DeleteCachedResources() override;
  39   bool DestroyedOnMainThread() override;
  40   void SetLostContextCallback(const LostContextCallback& cb) override;
  41   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   // InitializeOnCurrentThread on the context returned from this method.
  50   TestWebGraphicsContext3D* UnboundTestContext3d();
  51
  52   TestContextSupport* support() { return &support_; }
  53
  54   void SetMemoryAllocation(const ManagedMemoryPolicy& policy);
  55
  56   void SetMaxTransferBufferUsageBytes(size_t max_transfer_buffer_usage_bytes);
  57
  58  protected:
  59   explicit TestContextProvider(scoped_ptr<TestWebGraphicsContext3D> context);
  60   ~TestContextProvider() override;
  61
  62  private:
  63   void OnLostContext();
  64
  65   TestContextSupport support_;
  66
  67   scoped_ptr<TestWebGraphicsContext3D> context3d_;
  68   scoped_ptr<TestGLES2Interface> context_gl_;
  69   bool bound_;
  70
  71   base::ThreadChecker main_thread_checker_;
  72   base::ThreadChecker context_thread_checker_;
  73
  74   base::Lock destroyed_lock_;
  75   bool destroyed_;
  76
  77   LostContextCallback lost_context_callback_;
  78   MemoryPolicyChangedCallback memory_policy_changed_callback_;
  79   skia::RefPtr<class GrContext> gr_context_;
  80
  81   base::WeakPtrFactory<TestContextProvider> weak_ptr_factory_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(TestContextProvider);
  84 };
  85
  86 }  // namespace cc
  87
  88 #endif  // CC_TEST_TEST_CONTEXT_PROVIDER_H_
  89