demotool/profiling.hh

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#pragma once
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#include "utilities.hh"
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struct T_ProfilerSamples
{
float sum;
uint32_t nSamples;
};
struct T_Profiler
{
static constexpr uint32_t Samples = 4;
static constexpr uint32_t History = 4;
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static constexpr uint32_t Invalid = 0xffffffff;
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static T_Profiler Profiler;
void clear( );
void startFrame( );
void start( __rd__ std::string const& section );
void end( __rd__ std::string const& section );
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void endFrame( );
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uint32_t sections( ) const noexcept
{ return sections_.size( ); }
std::string const& nameOf(
__rd__ const uint32_t section ) const
{ return sections_[ section ]; }
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float durationOf( __rd__ const uint32_t section ) const
{ return secDurations_[ section ]; }
float startOf( __rd__ const uint32_t section ) const
{ return secStarts_[ section ]; }
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void makeUI( );
bool& uiEnabled( ) { return uiEnabled_; }
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private:
using T_SamplesList_ = std::vector< T_ProfilerSamples >;
using T_Data_ = std::vector< T_SamplesList_ >;
uint32_t find( __rd__ std::string const& section ) const;
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float computeDuration(
__rd__ const uint32_t section ) const;
uint32_t previous_;
uint32_t current_;
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std::vector< std::string > sections_;
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std::vector< uint32_t > chain_;
std::vector< uint32_t > parents_;
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T_Data_ samples_;
std::vector< uint64_t > starts_;
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std::vector< float > secDurations_;
std::vector< float > secStarts_;
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bool uiEnabled_ = false;
std::vector< int > displayed_;
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};
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