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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_MAILBOX_REF_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_MAILBOX_REF_H_
#include "base/memory/weak_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "components/viz/common/resources/release_callback.h"
#include "gpu/command_buffer/common/sync_token.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
#include "third_party/blink/renderer/platform/wtf/thread_safe_ref_counted.h"
namespace blink {
class WebGraphicsContext3DProviderWrapper;
class MailboxRef : public ThreadSafeRefCounted<MailboxRef> {
public:
MailboxRef(const gpu::SyncToken& sync_token,
base::PlatformThreadRef context_thread_ref,
scoped_refptr<base::SingleThreadTaskRunner> context_task_runner,
viz::ReleaseCallback release_callback);
~MailboxRef();
bool is_cross_thread() const {
return base::PlatformThread::CurrentRef() != context_thread_ref_;
}
void set_sync_token(gpu::SyncToken token) { sync_token_ = token; }
const gpu::SyncToken& sync_token() const { return sync_token_; }
bool verified_flush() { return sync_token_.verified_flush(); }
private:
gpu::SyncToken sync_token_;
const base::PlatformThreadRef context_thread_ref_;
const scoped_refptr<base::SingleThreadTaskRunner> context_task_runner_;
viz::ReleaseCallback release_callback_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_MAILBOX_REF_H_
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