using System;
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namespace UnityEngine.PostProcessing
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{
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[Serializable]
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public class AntialiasingModel : PostProcessingModel
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{
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public enum Method
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{
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Fxaa,
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Taa
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}
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// Most settings aren't exposed to the user anymore, presets are enough. Still, I'm leaving
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// the tooltip attributes in case an user wants to customize each preset.
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#region FXAA Settings
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public enum FxaaPreset
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{
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ExtremePerformance,
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Performance,
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Default,
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Quality,
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ExtremeQuality
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}
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[Serializable]
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public struct FxaaQualitySettings
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{
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[Tooltip("The amount of desired sub-pixel aliasing removal. Effects the sharpeness of the output.")]
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[Range(0f, 1f)]
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public float subpixelAliasingRemovalAmount;
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[Tooltip("The minimum amount of local contrast required to qualify a region as containing an edge.")]
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[Range(0.063f, 0.333f)]
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public float edgeDetectionThreshold;
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[Tooltip("Local contrast adaptation value to disallow the algorithm from executing on the darker regions.")]
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[Range(0f, 0.0833f)]
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public float minimumRequiredLuminance;
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public static FxaaQualitySettings[] presets =
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{
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// ExtremePerformance
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new FxaaQualitySettings
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{
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subpixelAliasingRemovalAmount = 0f,
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edgeDetectionThreshold = 0.333f,
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minimumRequiredLuminance = 0.0833f
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},
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// Performance
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new FxaaQualitySettings
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{
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subpixelAliasingRemovalAmount = 0.25f,
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edgeDetectionThreshold = 0.25f,
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minimumRequiredLuminance = 0.0833f
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},
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// Default
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new FxaaQualitySettings
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{
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subpixelAliasingRemovalAmount = 0.75f,
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edgeDetectionThreshold = 0.166f,
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minimumRequiredLuminance = 0.0833f
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},
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// Quality
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new FxaaQualitySettings
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{
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subpixelAliasingRemovalAmount = 1f,
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edgeDetectionThreshold = 0.125f,
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minimumRequiredLuminance = 0.0625f
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},
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// ExtremeQuality
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new FxaaQualitySettings
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{
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subpixelAliasingRemovalAmount = 1f,
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edgeDetectionThreshold = 0.063f,
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minimumRequiredLuminance = 0.0312f
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}
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};
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}
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[Serializable]
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public struct FxaaConsoleSettings
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{
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[Tooltip("The amount of spread applied to the sampling coordinates while sampling for subpixel information.")]
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[Range(0.33f, 0.5f)]
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public float subpixelSpreadAmount;
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[Tooltip("This value dictates how sharp the edges in the image are kept; a higher value implies sharper edges.")]
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[Range(2f, 8f)]
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public float edgeSharpnessAmount;
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[Tooltip("The minimum amount of local contrast required to qualify a region as containing an edge.")]
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[Range(0.125f, 0.25f)]
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public float edgeDetectionThreshold;
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[Tooltip("Local contrast adaptation value to disallow the algorithm from executing on the darker regions.")]
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[Range(0.04f, 0.06f)]
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public float minimumRequiredLuminance;
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public static FxaaConsoleSettings[] presets =
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{
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// ExtremePerformance
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new FxaaConsoleSettings
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{
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subpixelSpreadAmount = 0.33f,
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edgeSharpnessAmount = 8f,
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edgeDetectionThreshold = 0.25f,
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minimumRequiredLuminance = 0.06f
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},
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// Performance
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new FxaaConsoleSettings
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{
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subpixelSpreadAmount = 0.33f,
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edgeSharpnessAmount = 8f,
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edgeDetectionThreshold = 0.125f,
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minimumRequiredLuminance = 0.06f
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},
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// Default
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new FxaaConsoleSettings
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{
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subpixelSpreadAmount = 0.5f,
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edgeSharpnessAmount = 8f,
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edgeDetectionThreshold = 0.125f,
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minimumRequiredLuminance = 0.05f
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},
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// Quality
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new FxaaConsoleSettings
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{
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subpixelSpreadAmount = 0.5f,
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edgeSharpnessAmount = 4f,
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edgeDetectionThreshold = 0.125f,
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minimumRequiredLuminance = 0.04f
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},
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// ExtremeQuality
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new FxaaConsoleSettings
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{
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subpixelSpreadAmount = 0.5f,
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edgeSharpnessAmount = 2f,
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edgeDetectionThreshold = 0.125f,
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minimumRequiredLuminance = 0.04f
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}
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};
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}
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[Serializable]
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public struct FxaaSettings
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{
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public FxaaPreset preset;
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public static FxaaSettings defaultSettings
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{
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get
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{
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return new FxaaSettings
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{
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preset = FxaaPreset.Default
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};
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}
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}
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}
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#endregion
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#region TAA Settings
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[Serializable]
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public struct TaaSettings
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{
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[Tooltip("The diameter (in texels) inside which jitter samples are spread. Smaller values result in crisper but more aliased output, while larger values result in more stable but blurrier output.")]
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[Range(0.1f, 1f)]
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public float jitterSpread;
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[Tooltip("Controls the amount of sharpening applied to the color buffer.")]
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[Range(0f, 3f)]
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public float sharpen;
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[Tooltip("The blend coefficient for a stationary fragment. Controls the percentage of history sample blended into the final color.")]
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[Range(0f, 0.99f)]
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public float stationaryBlending;
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[Tooltip("The blend coefficient for a fragment with significant motion. Controls the percentage of history sample blended into the final color.")]
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[Range(0f, 0.99f)]
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public float motionBlending;
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public static TaaSettings defaultSettings
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{
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get
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{
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return new TaaSettings
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{
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jitterSpread = 0.75f,
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sharpen = 0.3f,
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stationaryBlending = 0.95f,
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motionBlending = 0.85f
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};
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}
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}
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}
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#endregion
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[Serializable]
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public struct Settings
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{
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public Method method;
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public FxaaSettings fxaaSettings;
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public TaaSettings taaSettings;
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public static Settings defaultSettings
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{
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get
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{
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return new Settings
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{
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method = Method.Fxaa,
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fxaaSettings = FxaaSettings.defaultSettings,
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taaSettings = TaaSettings.defaultSettings
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};
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}
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}
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}
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[SerializeField]
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Settings m_Settings = Settings.defaultSettings;
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public Settings settings
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{
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get { return m_Settings; }
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set { m_Settings = value; }
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}
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public override void Reset()
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{
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m_Settings = Settings.defaultSettings;
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}
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}
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}
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