61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
// Copyright 2016 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <memory>
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#include "Common/CommonTypes.h"
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#include "VideoBackends/Vulkan/Constants.h"
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#include "VideoCommon/PerfQueryBase.h"
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namespace Vulkan
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{
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class PerfQuery : public PerfQueryBase
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{
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public:
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PerfQuery();
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~PerfQuery();
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static PerfQuery* GetInstance() { return static_cast<PerfQuery*>(g_perf_query.get()); }
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bool Initialize();
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void EnableQuery(PerfQueryGroup type) override;
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void DisableQuery(PerfQueryGroup type) override;
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void ResetQuery() override;
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u32 GetQueryResult(PerfQueryType type) override;
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void FlushResults() override;
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bool IsFlushed() const override;
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private:
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// u32 is used for the sample counts.
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using PerfQueryDataType = u32;
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// when testing in SMS: 64 was too small, 128 was ok
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// TODO: This should be size_t, but the base class uses u32s
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static const u32 PERF_QUERY_BUFFER_SIZE = 512;
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struct ActiveQuery
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{
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u64 fence_counter;
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PerfQueryType query_type;
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bool has_value;
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};
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bool CreateQueryPool();
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void ReadbackQueries();
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void ReadbackQueries(u32 query_count);
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void PartialFlush(bool blocking);
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VkQueryPool m_query_pool = VK_NULL_HANDLE;
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u32 m_query_readback_pos = 0;
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u32 m_query_next_pos = 0;
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std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer = {};
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std::array<PerfQueryDataType, PERF_QUERY_BUFFER_SIZE> m_query_result_buffer = {};
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};
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} // namespace Vulkan
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