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63 行
2.2 KiB
63 行
2.2 KiB
namespace UnityEngine.PostProcessing
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{
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public sealed class ChromaticAberrationComponent : PostProcessingComponentRenderTexture<ChromaticAberrationModel>
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{
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static class Uniforms
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{
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internal static readonly int _ChromaticAberration_Amount = Shader.PropertyToID("_ChromaticAberration_Amount");
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internal static readonly int _ChromaticAberration_Spectrum = Shader.PropertyToID("_ChromaticAberration_Spectrum");
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}
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Texture2D m_SpectrumLut;
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public override bool active
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{
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get
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{
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return model.enabled
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&& model.settings.intensity > 0f
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&& !context.interrupted;
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}
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}
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public override void OnDisable()
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{
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GraphicsUtils.Destroy(m_SpectrumLut);
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m_SpectrumLut = null;
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}
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public override void Prepare(Material uberMaterial)
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{
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var settings = model.settings;
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var spectralLut = settings.spectralTexture;
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if (spectralLut == null)
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{
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if (m_SpectrumLut == null)
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{
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m_SpectrumLut = new Texture2D(3, 1, TextureFormat.RGB24, false)
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{
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name = "Chromatic Aberration Spectrum Lookup",
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filterMode = FilterMode.Bilinear,
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wrapMode = TextureWrapMode.Clamp,
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anisoLevel = 0,
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hideFlags = HideFlags.DontSave
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};
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var pixels = new Color[3];
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pixels[0] = new Color(1f, 0f, 0f);
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pixels[1] = new Color(0f, 1f, 0f);
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pixels[2] = new Color(0f, 0f, 1f);
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m_SpectrumLut.SetPixels(pixels);
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m_SpectrumLut.Apply();
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}
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spectralLut = m_SpectrumLut;
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}
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uberMaterial.EnableKeyword("CHROMATIC_ABERRATION");
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uberMaterial.SetFloat(Uniforms._ChromaticAberration_Amount, settings.intensity * 0.03f);
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uberMaterial.SetTexture(Uniforms._ChromaticAberration_Spectrum, spectralLut);
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}
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}
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}
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