protected void SplatFiltered(SampleBufferElem sampleElem)
{
var dx = (sampleElem.screenX + 0.5f);
var dy = (sampleElem.screenY + 0.5f);
var fLUT = this.filterLUTs.GetLUT(dx - (float)Math.Floor(sampleElem.screenX),
dy - (float)Math.Floor(sampleElem.screenY));
var lut = fLUT.GetLUT();
int x0 = MathLab.Ceil2UInt(dx - this.filter.xWidth);
int x1 = x0 + fLUT.GetWidth();
int y0 = MathLab.Ceil2UInt(dy - this.filter.yWidth);
int y1 = y0 + fLUT.GetHeight();
int lutOffset = 0;
for (int iy = y0; iy < y1; ++iy)
{
if (iy < 0)
{
lutOffset += fLUT.GetWidth();
continue;
}
else if (iy >= (this.Height))
break;
for (int ix = x0; ix < x1; ++ix)
{
float filterWt = lut[lutOffset++];
if ((ix < 0) || (ix >= (this.Width)))
continue;
this.SplatRadiance(ref sampleElem.radiance, ix, iy, filterWt);
}
}
}
public virtual void SplatPath(PathSampler path, out SampleBufferElem[] radianceEstimate)
{
radianceEstimate = new SampleBufferElem[1];
}
