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76 lines
2.0 KiB
76 lines
2.0 KiB
using UnityEngine;
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using UnityEngine.Rendering;
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using System;
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[ExecuteInEditMode, ImageEffectAllowedInSceneView]
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public class FXAAEffect : MonoBehaviour {
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const int luminancePass = 0;
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const int fxaaPass = 1;
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// public enum LuminanceMode { Alpha, Green, Calculate }
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// public LuminanceMode luminanceSource;
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[Range(0.0312f, 0.0833f)]
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public float contrastThreshold = 0.0312f;
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[Range(0.063f, 0.333f)]
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public float relativeThreshold = 0.063f;
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[Range(0f, 1f)]
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public float subpixelBlending = 1f;
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// [HideInInspector]
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public Shader fxaaShader;
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public bool lowQuality;
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// public bool gammaBlending;
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[NonSerialized]
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Material fxaaMaterial;
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RenderTexture luminanceTex;
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void OnRenderImage (RenderTexture source, RenderTexture destination) {
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if (fxaaMaterial == null) {
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fxaaMaterial = new Material(fxaaShader);
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fxaaMaterial.hideFlags = HideFlags.HideAndDontSave;
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}
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fxaaMaterial.SetFloat("_ContrastThreshold", contrastThreshold);
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fxaaMaterial.SetFloat("_RelativeThreshold", relativeThreshold);
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fxaaMaterial.SetFloat("_SubpixelBlending", subpixelBlending);
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if (lowQuality) {
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fxaaMaterial.EnableKeyword("LOW_QUALITY");
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}
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else {
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fxaaMaterial.DisableKeyword("LOW_QUALITY");
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}
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// if (gammaBlending) {
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// fxaaMaterial.EnableKeyword("GAMMA_BLENDING");
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// }
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// else {
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// fxaaMaterial.DisableKeyword("GAMMA_BLENDING");
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// }
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// if (luminanceSource == LuminanceMode.Calculate) {
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// fxaaMaterial.DisableKeyword("LUMINANCE_GREEN");
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// luminanceTex = RenderTexture.GetTemporary(
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// source.width, source.height, 0, source.format
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// );
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// Graphics.Blit(source, luminanceTex, fxaaMaterial, luminancePass);
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// Graphics.Blit(luminanceTex, destination, fxaaMaterial, fxaaPass);
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// RenderTexture.ReleaseTemporary(luminanceTex);
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// }
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// else {
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// if (luminanceSource == LuminanceMode.Green) {
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// fxaaMaterial.EnableKeyword("LUMINANCE_GREEN");
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// }
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// else {
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// fxaaMaterial.DisableKeyword("LUMINANCE_GREEN");
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// }
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Graphics.Blit(source, destination, fxaaMaterial, fxaaPass);
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// }
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}
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}
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