Added a grille effect to the CRT shader

Author: Math-Man

URP-PSX/Assets/Scenes/Psx_PBR.unity

@@ -496,7 +496,7 @@ Light:
   serializedVersion: 10
   m_Type: 0
   m_Shape: 0
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.28040814, g: 0.49162373, b: 0.6415094, a: 1}
   m_Intensity: 70.23
   m_Range: 27.335835
   m_SpotAngle: 32.74557
@@ -574,7 +574,7 @@ Transform:
   m_GameObject: {fileID: 608079567}
   serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0.7071068, z: 0, w: 0.7071068}
-  m_LocalPosition: {x: 9.22, y: -0.44, z: -0.02}
+  m_LocalPosition: {x: 7.09, y: 3.28, z: -0.02}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
@@ -614,7 +614,7 @@ Light:
   serializedVersion: 10
   m_Type: 2
   m_Shape: 0
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_Color: {r: 0.2519677, g: 0.5767318, b: 0.8805031, a: 1}
   m_Intensity: 70.23
   m_Range: 27.335835
   m_SpotAngle: 32.74557
@@ -1457,6 +1457,14 @@ MonoBehaviour:
   chromaticRed: {x: 0.002, y: -0.002}
   chromaticGreen: {x: -0.002, y: 0.002}
   chromaticBlue: {x: 0, y: 0}
+  grilleOpacity: 0.2
+  grilleCounterOpacity: 0.3
+  grilleResolution: 640
+  grilleCounterResolution: 380
+  grilleBrightness: 16
+  grilleUvRotation: 90
+  grilleUvMidPoint: 0.5
+  grilleShift: {x: 1, y: 1, z: 1}
 --- !u!1001 &1364880466
 PrefabInstance:
   m_ObjectHideFlags: 0

URP-PSX/Assets/Scripts/CRT/CRTEffectController.cs

@@ -28,6 +28,15 @@ public class CRTEffectController : MonoBehaviour
     [SerializeField] protected Vector2 chromaticGreen = new Vector2();
     [SerializeField] protected Vector2 chromaticBlue = new Vector2();
 
+    [SerializeField] protected float grilleOpacity = 0.4f;
+    [SerializeField] protected float grilleCounterOpacity = 0.2f;
+    [SerializeField] protected float grilleResolution = 360.0f;
+    [SerializeField] protected float grilleCounterResolution = 540.0f;
+    [SerializeField] protected float grilleBrightness = 15.0f;
+    [SerializeField] protected float grilleUvRotation = (90.0f);
+    [SerializeField] protected float grilleUvMidPoint = 0.5f;
+    [SerializeField] protected Vector3 grilleShift = new Vector3(1.0f, 1.0f, 1.0f);
+    
     protected void Update()
     {
         this.SetParams();
@@ -57,6 +66,15 @@ protected void SetParams()
         this.crt.chromaticRed.value = this.chromaticRed;
         this.crt.chromaticGreen.value = this.chromaticGreen;
         this.crt.chromaticBlue.value = this.chromaticBlue;
-
+        
+        this.crt.grilleOpacity.value = this.grilleOpacity;
+        this.crt.grilleCounterOpacity.value = this.grilleCounterOpacity;
+        this.crt.grilleResolution.value = this.grilleResolution;
+        this.crt.grilleCounterResolution.value = this.grilleCounterResolution;
+        this.crt.grilleBrightness.value = this.grilleBrightness;
+        this.crt.grilleUvRotation.value = this.grilleUvRotation;
+        this.crt.grilleUvMidPoint.value = this.grilleUvMidPoint;
+        this.crt.grilleShift.value = this.grilleShift;
+        
     }
 }

URP-PSX/Assets/Scripts/CRT/CRTRenderFeature.cs

@@ -50,6 +50,15 @@ public class CRTPass : ScriptableRenderPass
         static readonly int ChromaticRed = Shader.PropertyToID("_ChromaticRed");
         static readonly int ChromaticGreen = Shader.PropertyToID("_ChromaticGreen");
         static readonly int ChromaticBlue = Shader.PropertyToID("_ChromaticBlue");
+        
+        static readonly int GrilleOpacity = Shader.PropertyToID("_GrilleOpacity");
+        static readonly int GrilleCounterOpacity = Shader.PropertyToID("_GrilleCounterOpacity");
+        static readonly int GrilleResolution = Shader.PropertyToID("_GrilleResolution");
+        static readonly int GrilleCounterResolution = Shader.PropertyToID("_GrilleCounterResolution");
+        static readonly int GrilleBrightness = Shader.PropertyToID("_GrilleBrightness");
+        static readonly int GrilleUvRotation = Shader.PropertyToID("_GrilleUvRotation");
+        static readonly int GrilleUvMidPoint = Shader.PropertyToID("_GrilleUvMidPoint");
+        static readonly int GrilleShift = Shader.PropertyToID("_GrilleShift");
 
         Crt m_Crt;
         Material crtMaterial;
@@ -61,7 +70,7 @@ public CRTPass(RenderPassEvent evt)
             var shader = Shader.Find(shaderPath);
             if (shader == null)
             {
-                Debug.LogError("Shader not found lol (crt).");
+                Debug.LogError("Shader not found (crt).");
                 return;
             }
 
@@ -133,6 +142,15 @@ void Render(CommandBuffer cmd, ref RenderingData renderingData)
             this.crtMaterial.SetVector(ChromaticGreen, this.m_Crt.chromaticGreen.value);
             this.crtMaterial.SetVector(ChromaticBlue, this.m_Crt.chromaticBlue.value);
 
+            this.crtMaterial.SetFloat(GrilleOpacity, this.m_Crt.grilleOpacity.value);
+            this.crtMaterial.SetFloat(GrilleCounterOpacity, this.m_Crt.grilleCounterOpacity.value);
+            this.crtMaterial.SetFloat(GrilleResolution, this.m_Crt.grilleResolution.value);
+            this.crtMaterial.SetFloat(GrilleCounterResolution, this.m_Crt.grilleCounterResolution.value);
+            this.crtMaterial.SetFloat(GrilleBrightness, this.m_Crt.grilleBrightness.value);
+            this.crtMaterial.SetFloat(GrilleUvRotation, this.m_Crt.grilleUvRotation.value);
+            this.crtMaterial.SetFloat(GrilleUvMidPoint, this.m_Crt.grilleUvMidPoint.value);
+            this.crtMaterial.SetVector(GrilleShift, this.m_Crt.grilleShift.value);
+            
             int shaderPass = 0;
             cmd.SetGlobalTexture(MainTexId, source);
             cmd.GetTemporaryRT(destination, w, h, 0, FilterMode.Point, RenderTextureFormat.Default);

URP-PSX/Assets/Scripts/CRT/Crt.cs

@@ -1,14 +1,14 @@
-using Unity.Mathematics;
+using System;
+using Unity.Mathematics;
 using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.Rendering.Universal;
 
 public class Crt : VolumeComponent, IPostProcessComponent
 {
-    
     public FloatParameter scanlinesWeight = new FloatParameter(1f);
     public FloatParameter noiseWeight = new FloatParameter(1f);
-    
+
     public FloatParameter screenBendX = new FloatParameter(1000.0f);
     public FloatParameter screenBendY = new FloatParameter(1000.0f);
     public FloatParameter vignetteAmount = new FloatParameter(0.0f);
@@ -19,10 +19,23 @@ public class Crt : VolumeComponent, IPostProcessComponent
     public FloatParameter scanlinesDensity = new FloatParameter(200.0f);
     public FloatParameter scanlinesSpeed = new FloatParameter(-10.0f);
     public FloatParameter noiseAmount = new FloatParameter(250.0f);
+    
     public Vector2Parameter chromaticRed = new Vector2Parameter(new Vector2());
     public Vector2Parameter chromaticGreen = new Vector2Parameter(new Vector2());
     public Vector2Parameter chromaticBlue = new Vector2Parameter(new Vector2());
 
+    // Grille Effect is a modified version of the shader from here:
+    // https://godotshaders.com/shader/vhs-and-crt-monitor-effect/
+    public FloatParameter grilleOpacity = new FloatParameter(0.4f);
+    public FloatParameter grilleCounterOpacity = new FloatParameter(0.2f);
+    public FloatParameter grilleResolution = new FloatParameter(360.0f);
+    public FloatParameter grilleCounterResolution = new FloatParameter(540.0f);
+    public FloatParameter grilleUvRotation = new FloatParameter((float)(90.0f));
+    public FloatParameter grilleBrightness = new FloatParameter(15.0f);
+    public FloatParameter grilleUvMidPoint = new FloatParameter(0.5f);
+    public Vector3Parameter grilleShift = new Vector3Parameter(new Vector3(1.0f, 1.0f, 1.0f));
+
+
     //INTERFACE REQUIREMENT 
     public bool IsActive() => true;
     public bool IsTileCompatible() => false;