mojo/cc/context_provider_mojo.h

   1 // Copyright 2014 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 MOJO_CC_CONTEXT_PROVIDER_MOJO_H_
   6 #define MOJO_CC_CONTEXT_PROVIDER_MOJO_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/synchronization/lock.h"
  11 #include "cc/output/context_provider.h"
  12 #include "third_party/mojo/src/mojo/public/c/gles2/gles2.h"
  13 #include "third_party/mojo/src/mojo/public/cpp/system/core.h"
  14
  15 namespace mojo {
  16
  17 class ContextProviderMojo : public cc::ContextProvider {
  18  public:
  19   explicit ContextProviderMojo(ScopedMessagePipeHandle command_buffer_handle);
  20
  21   // cc::ContextProvider implementation.
  22   bool BindToCurrentThread() override;
  23   gpu::gles2::GLES2Interface* ContextGL() override;
  24   gpu::ContextSupport* ContextSupport() override;
  25   class GrContext* GrContext() override;
  26   void SetupLock() override;
  27   base::Lock* GetLock() override;
  28   Capabilities ContextCapabilities() override;
  29   bool IsContextLost() override;
  30   void VerifyContexts() override {}
  31   void DeleteCachedResources() override {}
  32   bool DestroyedOnMainThread() override;
  33   void SetLostContextCallback(
  34       const LostContextCallback& lost_context_callback) override {}
  35   void SetMemoryPolicyChangedCallback(
  36       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
  37       override {}
  38
  39  protected:
  40   friend class base::RefCountedThreadSafe<ContextProviderMojo>;
  41   ~ContextProviderMojo() override;
  42
  43  private:
  44   static void ContextLostThunk(void* closure) {
  45     static_cast<ContextProviderMojo*>(closure)->ContextLost();
  46   }
  47   void ContextLost();
  48
  49   cc::ContextProvider::Capabilities capabilities_;
  50   ScopedMessagePipeHandle command_buffer_handle_;
  51   MojoGLES2Context context_;
  52   scoped_ptr<gpu::gles2::GLES2Interface> context_gl_;
  53   bool context_lost_;
  54
  55   base::Lock context_lock_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(ContextProviderMojo);
  58 };
  59
  60 }  // namespace mojo
  61
  62 #endif  // MOJO_CC_CONTEXT_PROVIDER_MOJO_H_