public void EndScene(object sender, EventArgs args)
{
if (!_statsEnabled)
{
return;
}
_renderFinished.Reset();
try
{
TimeSpan guiDur = DateTime.Now - _frameRenderingStartTime;
_totalGuiRenderDuration += guiDur;
_guiRenderDuration += guiDur;
_totalFrameCount++;
_frameCount++;
int scanLine = _device.GetRasterStatus(0).ScanLine;
_sumMsToVBlank += ScanlineToVblankOffset(scanLine);
_fpsCounter++;
TimeSpan ts = DateTime.Now - _fpsTimer;
float secs = (float)ts.TotalSeconds;
_fps = _fpsCounter / secs;
Stats currentFrameStats = new Stats
{
Fps = _fps,
MsFrameRenderTime = (float)guiDur.TotalMilliseconds,
MsToNextVBlank = ScanlineToVblankOffset(scanLine)
};
if (ts.TotalSeconds >= 1.0f)
{
float totalAvgGuiTime = (float)_totalGuiRenderDuration.TotalMilliseconds / _totalFrameCount;
float avgGuiTime = (float)_guiRenderDuration.TotalMilliseconds / _frameCount;
float avgMsToVBlank = _sumMsToVBlank / _frameCount;
int glitches;
_perfLogString = string.Format(
"Render: {0:0.00} fps [red], {1} frames last meas., avg GUI time {2:0.00}, last sec: {3:0.00} [blue], " +
"avg ms to vblank: {6:0.00} [grn]\r\nRender mode enabled: {4}\r\n{5}",
_fps, _fpsCounter, totalAvgGuiTime, avgGuiTime, SkinContext.RenderStrategy.Name,
GetPresentStats(out glitches), avgMsToVBlank);
currentFrameStats.Glitch = glitches;
_perfLogString += "\r\n" + GetScreenInfo();
_perfLogString += "\r\n" + GetRenderPipelineInfo();
_perfLogString += "\r\n" + GetPlayerInfos();
_fpsCounter = 0;
_frameCount = 0;
_guiRenderDuration = TimeSpan.Zero;
_fpsTimer = DateTime.Now;
_sumMsToVBlank = 0;
}
_stats.Push(currentFrameStats);
DrawLines();
DrawTearingTest();
DrawText(_perfLogString);
}
finally
{
_renderFinished.Set();
}
}
