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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 COMPONENTS_MUS_GLES2_GPU_STATE_H_
#define COMPONENTS_MUS_GLES2_GPU_STATE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.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();
}
void StopControlThread();
// 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_ptr<gpu::SyncPointManager> sync_point_manager_;
scoped_refptr<gfx::GLShareGroup> share_group_;
scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
};
} // namespace gles2
#endif // COMPONENTS_MUS_GLES2_GPU_STATE_H_
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