public void OnBegunInterval(UInt64 ctxId, Interval iv)
{
StreamingTextureInterval siv = (StreamingTextureInterval)iv;
TextureCtx ctx = GetRailIdForPath(ctxId, siv.Filename);
ctx.MinMipAvailable = siv.MinMipAvailable;
ctx.MinMipWanted = siv.MinMipWanted;
ctx.IsVisible = siv.InUse;
if (!m_seenInterval)
{
m_seenInterval = true;
lock (m_log)
{
m_log.SetItemMetaData("/StreamingTextures/mipDelta", EItemType.Float);
m_log.SetItemMetaData("/StreamingTextures/mipDeltaSD", EItemType.Float);
m_log.SetItemMetaData("/StreamingTextures/mipDeltaMean", EItemType.Float);
}
}
lock (m_log.IntervalTree)
{
m_log.IntervalTree.AddInterval(ctx.RailId, iv);
}
}
public void OnFinalisedInterval(UInt64 ctxId, Interval iv, bool isModification)
{
StreamingTextureInterval siv = (StreamingTextureInterval)iv;
TextureCtx ctx = GetRailIdForPath(ctxId, siv.Filename);
lock (m_log.IntervalTree)
{
m_log.IntervalTree.AddInterval(ctx.RailId, iv);
}
if (!isModification)
{
m_rails.Remove(ctxId);
}
}
private TextureCtx GetRailIdForPath(UInt64 ctxId, string path)
{
TextureCtx t = null;
if (m_rails.ContainsKey(ctxId))
{
t = m_rails[ctxId];
}
else
{
lock (m_log.IntervalTree)
{
int railId = m_log.IntervalTree.AddRail(path);
t = new TextureCtx();
t.RailId = railId;
m_rails.Add(ctxId, t);
m_log.IntervalTree.AddRailToGroup(railId, m_groupId);
}
}
return(t);
}
public void OnFrameRecord(FrameRecordValues values)
{
if (m_rails.Count == 0)
{
return;
}
int totalDelta = 0, count = 0;
foreach (var kv in m_rails)
{
TextureCtx ctx = kv.Value;
if (ctx.IsVisible && ctx.MinMipWanted <= ctx.MinMipAvailable)
{
totalDelta += Math.Abs(ctx.MinMipWanted - ctx.MinMipAvailable);
++count;
}
}
double mean = totalDelta / (double)count;
double v = 0;
foreach (var kv in m_rails)
{
TextureCtx ctx = kv.Value;
if (ctx.IsVisible && ctx.MinMipWanted <= ctx.MinMipAvailable)
{
int d = Math.Abs(ctx.MinMipWanted - ctx.MinMipAvailable);
v += (d - mean) * (d - mean);
}
}
double vmean = v / count;
double sd = Math.Sqrt(vmean);
values["/StreamingTextures/mipDelta"] = (float)totalDelta;
values["/StreamingTextures/mipDeltaSD"] = (float)sd;
values["/StreamingTextures/mipDeltaMean"] = (float)mean;
}
