// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_ #define SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_ #include "base/memory/scoped_ptr.h" #include "base/memory/weak_ptr.h" #include "base/single_thread_task_runner.h" #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h" #include "third_party/mojo_services/src/gpu/public/interfaces/command_buffer.mojom.h" #include "third_party/mojo_services/src/gpu/public/interfaces/viewport_parameter_listener.mojom.h" namespace gpu { class SyncPointManager; } namespace gles2 { class CommandBufferDriver; // This class listens to the CommandBuffer message pipe on a low-latency thread // so that we can insert sync points without blocking on the GL driver. It // forwards most method calls to the CommandBufferDriver, which runs on the // same thread as the native viewport. class CommandBufferImpl : public mojo::CommandBuffer { public: CommandBufferImpl( mojo::InterfaceRequest request, mojo::ViewportParameterListenerPtr listener, scoped_refptr control_task_runner, gpu::SyncPointManager* sync_point_manager, scoped_ptr driver); ~CommandBufferImpl() override; void Initialize(mojo::CommandBufferSyncClientPtr sync_client, mojo::CommandBufferSyncPointClientPtr sync_point_client, mojo::CommandBufferLostContextObserverPtr loss_observer, mojo::ScopedSharedBufferHandle shared_state) override; void SetGetBuffer(int32_t buffer) override; void Flush(int32_t put_offset) override; void MakeProgress(int32_t last_get_offset) override; void RegisterTransferBuffer(int32_t id, mojo::ScopedSharedBufferHandle transfer_buffer, uint32_t size) override; void DestroyTransferBuffer(int32_t id) override; void InsertSyncPoint(bool retire) override; void RetireSyncPoint(uint32_t sync_point) override; void Echo(const mojo::Callback& callback) override; void DidLoseContext(); void UpdateVSyncParameters(base::TimeTicks timebase, base::TimeDelta interval); private: void BindToRequest(mojo::InterfaceRequest request); scoped_refptr sync_point_manager_; scoped_refptr driver_task_runner_; scoped_ptr driver_; mojo::CommandBufferSyncPointClientPtr sync_point_client_; mojo::ViewportParameterListenerPtr viewport_parameter_listener_; mojo::StrongBinding binding_; base::WeakPtrFactory weak_factory_; DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl); }; } // namespace gles2 #endif // SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_