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/webgraphicscontext3d_in_process_command_buffer_impl.h" 14 #include "webkit/common/gpu/webkit_gpu_export.h" 15 16 namespace blink { class WebGraphicsContext3D; } 17 18 namespace webkit { 19 namespace gpu { 20 class GrContextForWebGraphicsContext3D; 21 22 class WEBKIT_GPU_EXPORT ContextProviderInProcess 23 : NON_EXPORTED_BASE(public cc::ContextProvider) { 24 public: 25 static scoped_refptr<ContextProviderInProcess> Create( 26 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d, 27 const std::string& debug_name); 28 29 // Calls Create() with a default factory method for creating an offscreen 30 // context. 31 static scoped_refptr<ContextProviderInProcess> CreateOffscreen(); 32 33 virtual bool BindToCurrentThread() OVERRIDE; 34 virtual Capabilities ContextCapabilities() OVERRIDE; 35 virtual blink::WebGraphicsContext3D* Context3d() OVERRIDE; 36 virtual ::gpu::gles2::GLES2Interface* ContextGL() OVERRIDE; 37 virtual ::gpu::ContextSupport* ContextSupport() OVERRIDE; 38 virtual class GrContext* GrContext() OVERRIDE; 39 virtual void MakeGrContextCurrent() OVERRIDE; 40 virtual bool IsContextLost() OVERRIDE; 41 virtual void VerifyContexts() OVERRIDE; 42 virtual bool DestroyedOnMainThread() OVERRIDE; 43 virtual void SetLostContextCallback( 44 const LostContextCallback& lost_context_callback) OVERRIDE; 45 virtual void SetMemoryPolicyChangedCallback( 46 const MemoryPolicyChangedCallback& memory_policy_changed_callback) 47 OVERRIDE; 48 49 protected: 50 ContextProviderInProcess( 51 scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d, 52 const std::string& debug_name); 53 virtual ~ContextProviderInProcess(); 54 55 void OnLostContext(); 56 57 private: 58 void InitializeCapabilities(); 59 60 base::ThreadChecker main_thread_checker_; 61 base::ThreadChecker context_thread_checker_; 62 63 scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl> 64 context3d_; 65 scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_; 66 67 LostContextCallback lost_context_callback_; 68 69 base::Lock destroyed_lock_; 70 bool destroyed_; 71 72 std::string debug_name_; 73 class LostContextCallbackProxy; 74 scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_; 75 76 cc::ContextProvider::Capabilities capabilities_; 77 78 DISALLOW_COPY_AND_ASSIGN(ContextProviderInProcess); 79 }; 80 81 } // namespace gpu 82 } // namespace webkit 83 84 #endif // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_ 85
