Esempio n. 1
0
            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();
            }
Esempio n. 2
0
            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());
            }