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PerfQueryBase.h
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PerfQueryBase.h
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// Copyright 2012 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "Common/CommonTypes.h"
enum PerfQueryType
{
PQ_ZCOMP_INPUT_ZCOMPLOC = 0,
PQ_ZCOMP_OUTPUT_ZCOMPLOC,
PQ_ZCOMP_INPUT,
PQ_ZCOMP_OUTPUT,
PQ_BLEND_INPUT,
PQ_EFB_COPY_CLOCKS,
PQ_NUM_MEMBERS
};
enum PerfQueryGroup
{
PQG_ZCOMP_ZCOMPLOC,
PQG_ZCOMP,
PQG_EFB_COPY_CLOCKS,
PQG_NUM_MEMBERS,
};
class PerfQueryBase
{
public:
PerfQueryBase() : m_query_count(0) {}
virtual ~PerfQueryBase() {}
// Checks if performance queries are enabled in the gameini configuration.
// NOTE: Called from CPU+GPU thread
static bool ShouldEmulate();
// Begin querying the specified value for the following host GPU commands
// The call to EnableQuery() should be placed immediately before the draw command, otherwise
// there is a risk of GPU resets if the query is left open and the buffer is submitted during
// resource binding (D3D12/Vulkan).
virtual void EnableQuery(PerfQueryGroup type) {}
// Stop querying the specified value for the following host GPU commands
virtual void DisableQuery(PerfQueryGroup type) {}
// Reset query counters to zero and drop any pending queries
virtual void ResetQuery() {}
// Return the measured value for the specified query type
// NOTE: Called from CPU thread
virtual u32 GetQueryResult(PerfQueryType type) { return 0; }
// Request the value of any pending queries - causes a pipeline flush and thus should be used
// carefully!
virtual void FlushResults() {}
// True if there are no further pending query results
// NOTE: Called from CPU thread
virtual bool IsFlushed() const { return true; }
protected:
// TODO: sloppy
volatile u32 m_query_count;
volatile u32 m_results[PQG_NUM_MEMBERS];
};
extern std::unique_ptr<PerfQueryBase> g_perf_query;