public SuperRes()
{
TargetSize = () => Renderer.TargetSize;
m_ShiftedScaler = new Scaler.Custom(new ShiftedScaler(0.5f), ScalerTaps.Six, false);
Passes = 3;
Strength = 0.75f;
Sharpness = 0.5f;
AntiAliasing = 0.25f;
AntiRinging = 0.75f;
UseNEDI = false;
FirstPassOnly = false;
upscaler = new Scaler.Jinc(ScalerTaps.Four, false);
downscaler = new Scaler.Bilinear();
}
public override IFilter CreateFilter(IResizeableFilter sourceFilter)
{
var upscaler = new Scaler.Custom(new GaussianBlur(0.75), ScalerTaps.Four, false);
var downscaler = new Scaler.HwBilinear(); // Good enough (?)
int bits = 8;
switch (Renderer.InputFormat)
{
case FrameBufferInputFormat.P010: bits = 10; break;
case FrameBufferInputFormat.Y410: bits = 10; break;
case FrameBufferInputFormat.P016: bits = 16; break;
case FrameBufferInputFormat.Y416: bits = 16; break;
case FrameBufferInputFormat.Rgb24: return(sourceFilter);
case FrameBufferInputFormat.Rgb32: return(sourceFilter);
}
if (bits > maxbitdepth)
{
return(sourceFilter);
}
var inputsize = sourceFilter.OutputSize;
var size = inputsize;
var current = sourceFilter.ConvertToYuv();
var factor = 2.0;
var downscaled = new Stack <IFilter>();
downscaled.Push(current);
// Generate downscaled images
for (int i = 0; i < 8; i++)
{
size = new Size((int)Math.Floor(size.Width / factor), (int)Math.Floor(size.Height / factor));
if (size.Width == 0 || size.Height == 0)
{
break;
}
current = new ResizeFilter(current, size, upscaler, downscaler);
downscaled.Push(current);
}
var deband = downscaled.Pop();
while (downscaled.Count > 0)
{
deband = new ShaderFilter(CompileShader("Deband.hlsl"), true,
new[]
{
(1 << bits) - 1,
advancedMode ? threshold : DEFAULT_THRESHOLD,
advancedMode ? margin : DEFAULT_MARGIN
},
downscaled.Pop(), deband);
}
return(deband.ConvertToRgb());
}
