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mojo/services/gles2/gpu_state.h

Index: mojo/services/gles2/gpu_state.h
diff --git a/mojo/services/gles2/gpu_state.h b/mojo/services/gles2/gpu_state.h
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+// Copyright 2015 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_GPU_STATE_H_
+#define SERVICES_GLES2_GPU_STATE_H_
+
+#include "base/memory/ref_counted.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread.h"
+#include "gpu/command_buffer/service/mailbox_manager_impl.h"
+#include "gpu/command_buffer/service/sync_point_manager.h"
+#include "ui/gl/gl_share_group.h"
+
+namespace gles2 {
+
+// We need to share these across all CommandBuffer instances so that contexts
+// they create can share resources with each other via mailboxes.
+class GpuState : public base::RefCounted<GpuState> {
+ public:
+  GpuState();
+
+  // We run the CommandBufferImpl on the control_task_runner, which forwards
+  // most method class to the CommandBufferDriver, which runs on the "driver",
+  // thread (i.e., the thread on which GpuImpl instances are created).
+  scoped_refptr<base::SingleThreadTaskRunner> control_task_runner() {
+    return control_thread_.task_runner();
+  }
+
+  // These objects are intended to be used on the "driver" thread (i.e., the
+  // thread on which GpuImpl instances are created).
+  gfx::GLShareGroup* share_group() const { return share_group_.get(); }
+  gpu::gles2::MailboxManager* mailbox_manager() const {
+    return mailbox_manager_.get();
+  }
+  gpu::SyncPointManager* sync_point_manager() const {
+    return sync_point_manager_.get();
+  }
+
+ private:
+  friend class base::RefCounted<GpuState>;
+  ~GpuState();
+
+  base::Thread control_thread_;
+  scoped_refptr<gpu::SyncPointManager> sync_point_manager_;
+  scoped_refptr<gfx::GLShareGroup> share_group_;
+  scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
+};
+
+}  // namespace gles2
+
+#endif  // SERVICES_GLES2_GPU_STATE_H_