protected void OnPreRender()
{
if (timingCamera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Left || timingCamera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Mono)
{
GpuTiming.BeginSample(TimingTag);
}
}
protected void OnPostRender()
{
if (timingCamera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Right || timingCamera.stereoActiveEye == Camera.MonoOrStereoscopicEye.Mono)
{
GpuTiming.EndSample();
}
}
private void UpdateAdaptiveQuality()
{
float lastAppFrameTime = (float)GpuTiming.GetTime("Frame");
if (lastAppFrameTime <= 0)
{
return;
}
//Store a list of the frame samples
lastFrames.Enqueue(lastAppFrameTime);
if (lastFrames.Count > maxLastFrames)
{
lastFrames.Dequeue();
}
//Wait for a few frames between changes
frameCountSinceLastLevelUpdate++;
if (frameCountSinceLastLevelUpdate < minFrameCountBeforeQualityChange)
{
return;
}
// If the last frame is over budget, decrease quality level by 2 slots.
if (lastAppFrameTime > MaxFrameTimeThreshold * frameTimeQuota)
{
UpdateQualityLevel(-2);
}
else if (lastAppFrameTime < MinFrameTimeThreshold * frameTimeQuota)
{
// If the last 5 frames are below the GPU usage threshold, increase quality level by one.
if (LastFramesBelowThreshold(maxLastFrames))
{
UpdateQualityLevel(1);
}
}
}