Ryujinx/Ryujinx.Graphics.OpenGL/Counters.cs

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2019-10-13 08:02:07 +02:00
using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
using System;
namespace Ryujinx.Graphics.OpenGL
{
class Counters
{
private int[] _queryObjects;
private ulong[] _accumulatedCounters;
public Counters()
{
int count = Enum.GetNames(typeof(CounterType)).Length;
_queryObjects = new int[count];
_accumulatedCounters = new ulong[count];
}
public void Initialize()
{
for (int index = 0; index < _queryObjects.Length; index++)
{
int handle = GL.GenQuery();
_queryObjects[index] = handle;
CounterType type = (CounterType)index;
GL.BeginQuery(GetTarget(type), handle);
}
}
public ulong GetCounter(CounterType type)
{
UpdateAccumulatedCounter(type);
return _accumulatedCounters[(int)type];
}
public void ResetCounter(CounterType type)
{
UpdateAccumulatedCounter(type);
_accumulatedCounters[(int)type] = 0;
}
private void UpdateAccumulatedCounter(CounterType type)
{
int handle = _queryObjects[(int)type];
QueryTarget target = GetTarget(type);
GL.EndQuery(target);
GL.GetQueryObject(handle, GetQueryObjectParam.QueryResult, out long result);
_accumulatedCounters[(int)type] += (ulong)result;
GL.BeginQuery(target, handle);
}
private static QueryTarget GetTarget(CounterType type)
{
switch (type)
{
case CounterType.SamplesPassed: return QueryTarget.SamplesPassed;
case CounterType.PrimitivesGenerated: return QueryTarget.PrimitivesGenerated;
case CounterType.TransformFeedbackPrimitivesWritten: return QueryTarget.TransformFeedbackPrimitivesWritten;
}
return QueryTarget.SamplesPassed;
}
}
}