1 // Copyright (c) 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 WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_ 6 #define WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_ 7 8 #include "base/compiler_specific.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "base/synchronization/lock.h" 11 #include "base/threading/thread_checker.h" 12 #include "cc/output/context_provider.h" 13 #include "webkit/common/gpu/webkit_gpu_export.h" 14 15 namespace WebKit { 16 class WebGraphicsContext3D; 17 } 18 19 namespace webkit { 20 namespace gpu { 21 class GrContextForWebGraphicsContext3D; 22 class WebGraphicsContext3DInProcessCommandBufferImpl; 23 24 class WEBKIT_GPU_EXPORT ContextProviderInProcess 25 : NON_EXPORTED_BASE(public cc::ContextProvider) { 26 public: 27 typedef base::Callback< 28 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl>(void)> 29 CreateCallback; 30 31 static scoped_refptr<ContextProviderInProcess> Create( 32 const CreateCallback& create_callback); 33 34 // Calls Create() with a default factory method for creating an offscreen 35 // context. 36 static scoped_refptr<ContextProviderInProcess> CreateOffscreen(); 37 38 virtual bool BindToCurrentThread() OVERRIDE; 39 virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE; 40 virtual class GrContext* GrContext() OVERRIDE; 41 virtual void VerifyContexts() OVERRIDE; 42 virtual bool DestroyedOnMainThread() OVERRIDE; 43 virtual void SetLostContextCallback( 44 const LostContextCallback& lost_context_callback) OVERRIDE; 45 46 protected: 47 ContextProviderInProcess(); 48 virtual ~ContextProviderInProcess(); 49 50 bool InitializeOnMainThread( 51 const CreateCallback& create_callback); 52 53 void OnLostContext(); 54 void OnMemoryAllocationChanged(bool nonzero_allocation); 55 56 private: 57 base::ThreadChecker main_thread_checker_; 58 base::ThreadChecker context_thread_checker_; 59 60 scoped_ptr<WebKit::WebGraphicsContext3D> context3d_; 61 scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_; 62 63 LostContextCallback lost_context_callback_; 64 65 base::Lock destroyed_lock_; 66 bool destroyed_; 67 68 class LostContextCallbackProxy; 69 scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_; 70 71 class MemoryAllocationCallbackProxy; 72 scoped_ptr<MemoryAllocationCallbackProxy> memory_allocation_callback_proxy_; 73 }; 74 75 } // namespace gpu 76 } // namespace webkit 77 78 #endif // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_ 79
