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