forked from dolphin-emu/dolphin
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
// Copyright 2012 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 <d3d12.h>
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#include "VideoCommon/PerfQueryBase.h"
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namespace DX12
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{
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class PerfQuery final : 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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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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struct ActiveQuery
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{
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PerfQueryGroup query_type;
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UINT64 fence_value;
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};
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void WeakFlush();
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// Find the last fence value of all pending queries.
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UINT64 FindLastPendingFenceValue() const;
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// Only use when non-empty
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void FlushOne();
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static void QueueFenceCallback(void* owning_object, UINT64 fence_value);
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void QueueFence(UINT64 fence_value);
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// when testing in SMS: 64 was too small, 128 was ok
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static constexpr size_t PERF_QUERY_BUFFER_SIZE = 512;
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static constexpr size_t QUERY_READBACK_BUFFER_SIZE = PERF_QUERY_BUFFER_SIZE * sizeof(UINT64);
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std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer;
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int m_query_read_pos = 0;
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ID3D12QueryHeap* m_query_heap = nullptr;
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ID3D12Resource* m_query_readback_buffer = nullptr;
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ID3D12Fence* m_tracking_fence = nullptr;
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UINT64 m_next_fence_value = 0;
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};
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} // namespace
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