android_webview/browser/aw_render_thread_context_provider.h

   1 // Copyright 2015 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 ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_
   6 #define ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_
   7
   8 #include "base/macros.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 "gpu/command_buffer/service/in_process_command_buffer.h"
  14 #include "skia/ext/refptr.h"
  15
  16 namespace gfx {
  17 class GLSurface;
  18 }
  19
  20 namespace gpu {
  21 class GLInProcessContext;
  22 }
  23
  24 namespace android_webview {
  25
  26 class AwRenderThreadContextProvider : public cc::ContextProvider {
  27  public:
  28   static scoped_refptr<AwRenderThreadContextProvider> Create(
  29       scoped_refptr<gfx::GLSurface> surface,
  30       scoped_refptr<gpu::InProcessCommandBuffer::Service> service);
  31
  32  private:
  33   AwRenderThreadContextProvider(
  34       scoped_refptr<gfx::GLSurface> surface,
  35       scoped_refptr<gpu::InProcessCommandBuffer::Service> service);
  36   ~AwRenderThreadContextProvider() override;
  37
  38   // cc::ContextProvider:
  39   bool BindToCurrentThread() override;
  40   Capabilities ContextCapabilities() override;
  41   gpu::gles2::GLES2Interface* ContextGL() override;
  42   gpu::ContextSupport* ContextSupport() override;
  43   class GrContext* GrContext() override;
  44   void SetupLock() override;
  45   base::Lock* GetLock() override;
  46   bool IsContextLost() override;
  47   void VerifyContexts() override;
  48   void DeleteCachedResources() override;
  49   bool DestroyedOnMainThread() override;
  50   void SetLostContextCallback(
  51       const LostContextCallback& lost_context_callback) override;
  52   void SetMemoryPolicyChangedCallback(
  53       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
  54       override;
  55
  56   void OnLostContext();
  57
  58   base::ThreadChecker main_thread_checker_;
  59
  60   scoped_ptr<gpu::GLInProcessContext> context_;
  61   skia::RefPtr<class GrContext> gr_context_;
  62
  63   cc::ContextProvider::Capabilities capabilities_;
  64
  65   LostContextCallback lost_context_callback_;
  66
  67   bool destroyed_;
  68
  69   base::Lock context_lock_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(AwRenderThreadContextProvider);
  72 };
  73
  74 }  // namespace android_webview
  75
  76 #endif  // ANDROID_WEBVIEW_BROWSER_AW_RENDER_THREAD_CONTEXT_PROVIDER_H_