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Frontends: Add frame time performance counters

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This commit is contained in:
Connor McLaughlin
2020-01-24 14:49:47 +10:00
parent 67710ca184
commit 9562cbea56
8 changed files with 150 additions and 49 deletions
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51
src/core/host_interface.cpp
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@ -433,26 +433,43 @@ void HostInterface::UpdateSpeedLimiterState()
m_last_throttle_time = 0;
}
void HostInterface::OnPerformanceCountersUpdated() {}
void HostInterface::RunFrame()
{
m_frame_timer.Reset();
m_system->RunFrame();
UpdatePerformanceCounters();
}
void HostInterface::UpdatePerformanceCounters()
{
if (!m_system)
return;
const float frame_time = static_cast<float>(m_frame_timer.GetTimeMilliseconds());
m_average_frame_time_accumulator += frame_time;
m_worst_frame_time_accumulator = std::max(m_worst_frame_time_accumulator, frame_time);
// update fps counter
const double time = m_fps_timer.GetTimeSeconds();
if (time >= 0.25f)
{
m_vps = static_cast<float>(static_cast<double>(m_system->GetFrameNumber() - m_last_frame_number) / time);
m_last_frame_number = m_system->GetFrameNumber();
m_fps =
static_cast<float>(static_cast<double>(m_system->GetInternalFrameNumber() - m_last_internal_frame_number) / time);
m_last_internal_frame_number = m_system->GetInternalFrameNumber();
m_speed = static_cast<float>(static_cast<double>(m_system->GetGlobalTickCounter() - m_last_global_tick_counter) /
(static_cast<double>(MASTER_CLOCK) * time)) *
100.0f;
m_last_global_tick_counter = m_system->GetGlobalTickCounter();
m_fps_timer.Reset();
}
const float time = static_cast<float>(m_fps_timer.GetTimeSeconds());
if (time < 1.0f)
return;
const float frames_presented = static_cast<float>(m_system->GetFrameNumber() - m_last_frame_number);
m_worst_frame_time = m_worst_frame_time_accumulator;
m_worst_frame_time_accumulator = 0.0f;
m_average_frame_time = m_average_frame_time_accumulator / frames_presented;
m_average_frame_time_accumulator = 0.0f;
m_vps = static_cast<float>(frames_presented / time);
m_last_frame_number = m_system->GetFrameNumber();
m_fps = static_cast<float>(m_system->GetInternalFrameNumber() - m_last_internal_frame_number) / time;
m_last_internal_frame_number = m_system->GetInternalFrameNumber();
m_speed = static_cast<float>(static_cast<double>(m_system->GetGlobalTickCounter() - m_last_global_tick_counter) /
(static_cast<double>(MASTER_CLOCK) * time)) *
100.0f;
m_last_global_tick_counter = m_system->GetGlobalTickCounter();
m_fps_timer.Reset();
OnPerformanceCountersUpdated();
}
void HostInterface::ResetPerformanceCounters()
@ -469,5 +486,7 @@ void HostInterface::ResetPerformanceCounters()
m_last_internal_frame_number = 0;
m_last_global_tick_counter = 0;
}
m_average_frame_time_accumulator = 0.0f;
m_worst_frame_time_accumulator = 0.0f;
m_fps_timer.Reset();
}