dolphin/Source/Core/VideoBackends/Metal/MTLPerfQuery.h

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// Copyright 2022 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <condition_variable>
#include <mutex>
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#include "VideoCommon/PerfQueryBase.h"
namespace Metal
{
class PerfQuery final : public PerfQueryBase
{
public:
void EnableQuery(PerfQueryGroup type) override;
void DisableQuery(PerfQueryGroup type) override;
void ResetQuery() override;
u32 GetQueryResult(PerfQueryType type) override;
void FlushResults() override;
bool IsFlushed() const override;
/// Notify PerfQuery of a new pending encoder
/// One call to ReturnResults should be made for every call to IncCount
void IncCount() { m_query_count.fetch_add(1, std::memory_order_relaxed); }
/// May be called from any thread
void ReturnResults(const u64* data, const PerfQueryGroup* groups, size_t count, u32 query_id);
private:
u32 m_current_query = 0;
std::mutex m_results_mtx;
std::condition_variable m_cv;
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};
} // namespace Metal