48 lines
2.2 KiB
C#
48 lines
2.2 KiB
C#
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using Echovoid.Runtime.Behavior.Rendering;
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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namespace SLSUtilities.Rendering.PostProcessing
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{
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[System.Serializable, VolumeComponentMenu("SLS/Postprocessing/Sharpen")]
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public class Sharpen : ScriptablePostProcessorVolume
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{
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// 放在所有后处理之后，对最终画面进行锐化
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public override CustomPostProcessInjectionPoint InjectionPoint => CustomPostProcessInjectionPoint.AfterPostProcess;
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// 排序靠后，确保是最后几步操作之一
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public override int OrderInInjectionPoint => 10;
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[Header("General Settings")]
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[Tooltip("锐化强度。值越大画面越锋利。建议范围 0.5 - 2.0。过大会导致失真。")]
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public ClampedFloatParameter sharpness = new(0f, 0f, 5f);
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[Header("Optimizations (Visual Quality)")]
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[Tooltip("对比度阈值（降噪）。\n只有当像素差异大于此值时才锐化。\n增加此值可避免平坦区域（如天空、皮肤）出现噪点。\n建议值：0.01 - 0.05。")]
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public ClampedFloatParameter threshold = new(0.01f, 0f, 0.2f);
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[Tooltip("最大亮度钳制（防光晕）。\n限制像素亮度的最大变化幅度，防止边缘出现刺眼的白边或黑边。\n减小此值可让锐化更自然。\n建议值：0.1 - 0.3。")]
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public ClampedFloatParameter clamp = new(0.2f, 0f, 1f);
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public override string GetShaderName() => "SLS/Postprocessing/Sharpen";
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public override void Render(CommandBuffer cmd, ref RenderingData renderingData, RTHandle source, RTHandle destination)
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{
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if (material == null) return;
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Vector4 paramsVec = new Vector4(
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sharpness.value,
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threshold.value,
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clamp.value,
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0 // unused
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);
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material.SetVector(InternalShaderHelpers.ID._SharpnessParams, paramsVec);
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Blitter.BlitCameraTexture(cmd, source, destination, material, 0);
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}
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// 只有强度大于 0 时才激活
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public override bool IsActive() => sharpness.value > 0f;
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}
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}
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