webkit/common/gpu/context_provider_in_process.h

   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 "webkit/common/gpu/context_provider_web_context.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 ContextProviderWebContext) {
  24  public:
  25   static scoped_refptr<ContextProviderInProcess> Create(
  26       scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d,
  27       const std::string& debug_name);
  28
  29   // Uses default attributes for creating an offscreen context.
  30   static scoped_refptr<ContextProviderInProcess> CreateOffscreen(
  31       bool lose_context_when_out_of_memory);
  32
  33   virtual blink::WebGraphicsContext3D* WebContext3D() OVERRIDE;
  34
  35   virtual bool BindToCurrentThread() OVERRIDE;
  36   virtual Capabilities ContextCapabilities() OVERRIDE;
  37   virtual ::gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
  38   virtual ::gpu::ContextSupport* ContextSupport() OVERRIDE;
  39   virtual class GrContext* GrContext() OVERRIDE;
  40   virtual bool IsContextLost() OVERRIDE;
  41   virtual void VerifyContexts() OVERRIDE;
  42   virtual void DeleteCachedResources() OVERRIDE;
  43   virtual bool DestroyedOnMainThread() OVERRIDE;
  44   virtual void SetLostContextCallback(
  45       const LostContextCallback& lost_context_callback) OVERRIDE;
  46   virtual void SetMemoryPolicyChangedCallback(
  47       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
  48       OVERRIDE;
  49
  50  protected:
  51   ContextProviderInProcess(
  52       scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d,
  53       const std::string& debug_name);
  54   virtual ~ContextProviderInProcess();
  55
  56   void OnLostContext();
  57
  58  private:
  59   void InitializeCapabilities();
  60
  61   base::ThreadChecker main_thread_checker_;
  62   base::ThreadChecker context_thread_checker_;
  63
  64   scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
  65       context3d_;
  66   scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_;
  67
  68   LostContextCallback lost_context_callback_;
  69
  70   base::Lock destroyed_lock_;
  71   bool destroyed_;
  72
  73   std::string debug_name_;
  74   class LostContextCallbackProxy;
  75   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
  76
  77   cc::ContextProvider::Capabilities capabilities_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(ContextProviderInProcess);
  80 };
  81
  82 }  // namespace gpu
  83 }  // namespace webkit
  84
  85 #endif  // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_