public override IFilter CreateFilter(IFilter input)
{
DisposeHelper.Dispose(ref m_Buffer1);
DisposeHelper.Dispose(ref m_Buffer2);
if (!Renderer.IsOpenClAvail || Renderer.RenderQuality.PerformanceMode())
{
Renderer.FallbackOccurred = true; // Warn user via player stats OSD
return(input); // OpenCL is not available, or UNORM8 textures used (not supported); fallback
}
Func <TextureSize, TextureSize> transformWidth = s => new TextureSize(2 * s.Width, s.Height);
Func <TextureSize, TextureSize> transformHeight = s => new TextureSize(s.Width, 2 * s.Height);
var kernel = CompileKernel();
var shaderH = kernel.Configure(transform: transformWidth);
var shaderV = kernel.Configure(transform: transformHeight);
var combine = CompileShader("Combine.hlsl");
var neuronCount1 = s_NeuronCount[(int)Neurons1];
var neuronCount2 = s_NeuronCount[(int)Neurons2];
var weights1 = s_Weights[(int)Neurons1];
m_Buffer1 = Renderer.CreateClBuffer(weights1);
var differentWeights = neuronCount1 != neuronCount2;
if (differentWeights)
{
var weights2 = s_Weights[(int)Neurons2];
m_Buffer2 = Renderer.CreateClBuffer(weights2);
}
var sourceSize = input.OutputSize;
if (!IsUpscalingFrom(sourceSize))
{
return(input);
}
var yuv = input.ConvertToYuv();
var chroma = new ResizeFilter(yuv, new TextureSize(sourceSize.Width * 2, sourceSize.Height * 2),
TextureChannels.ChromaOnly, new Vector2(-0.25f, -0.25f), Renderer.ChromaUpscaler,
Renderer.ChromaDownscaler);
var localWorkSizes = new[] { 8, 8 };
var nnedi3H = new NNedi3HKernelFilter(shaderH, m_Buffer1, neuronCount1,
new TextureSize(yuv.OutputSize.Width, yuv.OutputSize.Height),
localWorkSizes, yuv);
var nnedi3V = new NNedi3VKernelFilter(shaderV, m_Buffer2, neuronCount2, differentWeights,
new TextureSize(nnedi3H.OutputSize.Width, nnedi3H.OutputSize.Height),
localWorkSizes, nnedi3H);
var result = new ShaderFilter(combine, nnedi3V, chroma);
return(new ResizeFilter(result.ConvertToRgb(), result.OutputSize, new Vector2(0.5f, 0.5f),
Renderer.LumaUpscaler, Renderer.LumaDownscaler));
}
public override ITextureFilter ScaleChroma(ICompositionFilter composition)
{
DisposeHelper.Dispose(ref m_Buffer1);
DisposeHelper.Dispose(ref m_Buffer2);
if (!Renderer.IsOpenClAvail || Renderer.RenderQuality.PerformanceMode())
{
Renderer.FallbackOccurred = true; // Warn user via player stats OSD
return(composition); // OpenCL is not available; fallback
}
var lumaSize = composition.Luma.Size();
var chromaSize = composition.Chroma.Size();
if (lumaSize.Width != 2 * chromaSize.Width || lumaSize.Height != 2 * chromaSize.Height)
{
return(composition); // Chroma shouldn't be doubled; fallback
}
Func <TextureSize, TextureSize> transformWidth = s => new TextureSize(2 * s.Width, s.Height);
Func <TextureSize, TextureSize> transformHeight = s => new TextureSize(s.Width, 2 * s.Height);
var kernelU = CompileKernel(true);
var kernelV = CompileKernel(false);
var shaderUh = kernelU.Configure(transform: transformWidth);
var shaderUv = kernelU.Configure(transform: transformHeight);
var shaderVh = kernelV.Configure(transform: transformWidth);
var shaderVv = kernelV.Configure(transform: transformHeight);
var neuronCount1 = s_NeuronCount[(int)Neurons1];
var neuronCount2 = s_NeuronCount[(int)Neurons2];
var weights1 = s_Weights[(int)Neurons1];
m_Buffer1 = Renderer.CreateClBuffer(weights1);
var differentWeights = neuronCount1 != neuronCount2;
if (differentWeights)
{
var weights2 = s_Weights[(int)Neurons2];
m_Buffer2 = Renderer.CreateClBuffer(weights2);
}
var localWorkSizes = new[] { 8, 8 };
var nnedi3Uh = new NNedi3HKernelFilter(shaderUh, m_Buffer1, neuronCount1,
new TextureSize(chromaSize.Width, chromaSize.Height),
localWorkSizes, composition.Chroma);
var nnedi3Uv = new NNedi3VKernelFilter(shaderUv, m_Buffer2, neuronCount2, differentWeights,
new TextureSize(nnedi3Uh.Size().Width, nnedi3Uh.Size().Height),
localWorkSizes, nnedi3Uh);
var nnedi3Vh = new NNedi3HKernelFilter(shaderVh, m_Buffer1, neuronCount1,
new TextureSize(chromaSize.Width, chromaSize.Height),
localWorkSizes, composition.Chroma);
var nnedi3Vv = new NNedi3VKernelFilter(shaderVv, m_Buffer2, neuronCount2, differentWeights,
new TextureSize(nnedi3Vh.Size().Width, nnedi3Vh.Size().Height),
localWorkSizes, nnedi3Vh);
return(composition.Luma.MergeWith(nnedi3Uv, nnedi3Vv).ConvertToRgb());
}
protected override ITextureFilter CreateFilter(ITextureFilter input)
{
if (!Renderer.IsOpenClAvail || Renderer.RenderQuality.PerformanceMode())
{
Renderer.FallbackOccurred = true; // Warn user via player stats OSD
return(input); // OpenCL is not available, or UNORM8 textures used (not supported); fallback
}
Func <TextureSize, TextureSize> transformWidth = s => new TextureSize(2 * s.Width, s.Height);
Func <TextureSize, TextureSize> transformHeight = s => new TextureSize(s.Width, 2 * s.Height);
var kernel = CompileKernel();
var shaderH = kernel.Configure(transform: transformWidth);
var shaderV = kernel.Configure(transform: transformHeight);
var neuronCount1 = s_NeuronCount[(int)Neurons1];
var neuronCount2 = s_NeuronCount[(int)Neurons2];
var weights1 = s_Weights[(int)Neurons1];
var buffer1 = Renderer.CreateClBuffer(weights1);
var buffer2 = buffer1;
var differentWeights = neuronCount1 != neuronCount2;
if (differentWeights)
{
var weights2 = s_Weights[(int)Neurons2];
buffer2 = Renderer.CreateClBuffer(weights2);
}
var sourceSize = input.Output.Size;
if (!IsUpscalingFrom(sourceSize))
{
return(input);
}
var yuv = input.ConvertToYuv();
var localWorkSizes = new[] { 8, 8 };
var nnedi3H = new NNedi3HKernelFilter(shaderH, buffer1, neuronCount1,
new TextureSize(yuv.Output.Size.Width, yuv.Output.Size.Height),
localWorkSizes, yuv);
var nnedi3V = new NNedi3VKernelFilter(shaderV, buffer2, neuronCount2, differentWeights,
new TextureSize(nnedi3H.Output.Size.Width, nnedi3H.Output.Size.Height),
localWorkSizes, nnedi3H);
var result = ChromaScaler.MakeChromaFilter(nnedi3V, yuv, chromaOffset: new Vector2(-0.25f, -0.25f));
return(new ResizeFilter(result, result.Output.Size, new Vector2(0.5f, 0.5f),
Renderer.LumaUpscaler, Renderer.LumaDownscaler));
}
