Method PreUpdatePathTracing

Rtxpt/Sample.cpp:1416–1450

}

void Sample::PreUpdatePathTracing( bool resetAccum, nvrhi::CommandListHandle commandList )
{
    resetAccum |= m_ui.ResetAccumulation;
    resetAccum |= m_ui.RealtimeMode;

    if (resetAccum)
    {
        m_accumulationSampleIndex = (m_ui.AccumulationPreWarmRealtimeCaches)?(-32):(0);
    }
#if ENABLE_DEBUG_VIZUALISATIONS
    if (resetAccum)
        m_shaderDebug->ClearDebugVizTexture(commandList);
#endif

    // profile perf - only makes sense with high accumulation sample counts; only start counting after n-th after it stabilizes
    if( m_accumulationSampleIndex < 16 )
    {
        m_benchStart = std::chrono::high_resolution_clock::now( );
        m_benchLast = m_benchStart;
        m_benchFrames = 0;
    } else if( m_accumulationSampleIndex < m_ui.AccumulationTarget )
    {
        m_benchFrames++;
        m_benchLast = std::chrono::high_resolution_clock::now( );
    }
    m_accumulationCompleted = false;
    // 'min' in non-realtime path here is to keep looping the last sample for debugging purposes!
    if( !m_ui.RealtimeMode )
    {
        m_sampleIndex = (m_accumulationSampleIndex<0)?(m_accumulationSampleIndex+4096):(min(m_accumulationSampleIndex, m_ui.AccumulationTarget - 1));
        m_accumulationCompleted |= m_accumulationSampleIndex == m_ui.AccumulationTarget - 1;
    }
    else
        m_sampleIndex = (!m_ui.DbgFreezeRealtimeNoiseSeed)?( m_frameIndex % 8192 ):0;     // actual sample index
}

void Sample::PostUpdatePathTracing( )
{