MattiasCRT增加几个质量变体,优化MattiasCRT render代码效率

AxibugEmuOnline.Client/Assets/Script/AppMain/Filter/FilterEffect.cs

@@ -22,7 +22,11 @@ namespace AxibugEmuOnline.Client
         {
             GetEditableFilterParamters();
             m_material = new Material(Shader.Find(ShaderName));
+            OnInit(m_material);
         }
+
+        protected virtual void OnInit(Material renderMat) { }
+
         void GetEditableFilterParamters()
         {
             var parameters = (from t in GetType().GetFields(BindingFlags.Instance | BindingFlags.Public)

AxibugEmuOnline.Client/Assets/Script/AppMain/Filter/LCDPostEffect/LCDPostEffect.cs

@@ -9,7 +9,7 @@ public sealed class LCDPostEffect : FilterEffect
 
     protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
     {
-        renderMat.SetVector("_iResolution", new Vector4(Screen.width, Screen.height, 0, 0));
+        renderMat.SetVector("_iResolution", new Vector4(result.width, result.height, 0, 0));
         Graphics.Blit(src, result, renderMat);
     }
 }

AxibugEmuOnline.Client/Assets/Script/AppMain/Filter/MattiasCRT/MattiasCRT.cs

@@ -1,5 +1,7 @@
-using AxibugEmuOnline.Client;
+using Assets.Script.AppMain.Filter;
+using AxibugEmuOnline.Client;
 using UnityEngine;
+using UnityEngine.Rendering;
 
 public sealed class MattiasCRT : FilterEffect
 {
@@ -7,9 +9,40 @@ public sealed class MattiasCRT : FilterEffect
 
     protected override string ShaderName => "Filter/MattiasCRT";
 
+    public FilterParameter<EnumQuality> Quality = new FilterParameter<EnumQuality>(EnumQuality.High);
+    private LocalKeyword _kw_qualityLow;
+    private LocalKeyword _kw_qualityMid;
+    private LocalKeyword _kw_qualityHigh;
+    private int _pid_iResolution;
+
+    protected override void OnInit(Material renderMat)
+    {
+        _pid_iResolution = Shader.PropertyToID("_iResolution");
+        _kw_qualityLow = new LocalKeyword(renderMat.shader, "_QUALITY_LOW");
+        _kw_qualityMid = new LocalKeyword(renderMat.shader, "_QUALITY_MID");
+        _kw_qualityHigh = new LocalKeyword(renderMat.shader, "_QUALITY_HIGH");
+    }
+
     protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
     {
-        renderMat.SetVector("_iResolution", new Vector4(result.width, result.height, 0, 0));
+        renderMat.SetVector(_pid_iResolution, new Vector4(result.width, result.height, 0, 0));
+        renderMat.DisableKeyword(_kw_qualityLow);
+        renderMat.DisableKeyword(_kw_qualityMid);
+        renderMat.DisableKeyword(_kw_qualityHigh);
+        switch (Quality.GetValue())
+        {
+            case EnumQuality.Low: renderMat.EnableKeyword(_kw_qualityLow); break;
+            case EnumQuality.Mid: renderMat.EnableKeyword(_kw_qualityMid); break;
+            case EnumQuality.High: renderMat.EnableKeyword(_kw_qualityHigh); break;
+        }
+
         Graphics.Blit(src, result, renderMat);
     }
+
+    public enum EnumQuality
+    {
+        Low,
+        Mid,
+        High
+    }
 }

AxibugEmuOnline.Client/Assets/Script/AppMain/Filter/MattiasCRT/MattiasCRT.shader

@@ -1,4 +1,4 @@
-
+
 Shader "Filter/MattiasCRT"
 {
     Properties
@@ -11,6 +11,7 @@ Shader "Filter/MattiasCRT"
         {
             CGPROGRAM
 
+            #pragma shader_feature_local _QUALITY_LOW _QUALITY_MID _QUALITY_HIGH
             #pragma vertex vert_img
             #pragma fragment frag
             #include "UnityCG.cginc"
@@ -37,16 +38,26 @@ Shader "Filter/MattiasCRT"
                 float2 q = fragCoord.xy / _iResolution.xy;
                 float2 uv = q;
                 uv = curve( uv ); 
-                float3 oricol = tex2D(_MainTex,uv).xyz;
-                float3 col;
                 float x =  sin(0.3*_Time+uv.y*21.0)*sin(0.7*_Time+uv.y*29.0)*sin(0.3+0.33*_Time+uv.y*31.0)*0.0017;
 
+                float3 col;
+                #if _QUALITY_LOW
+                col = tex2D(_MainTex,uv);
+                #elif _QUALITY_MID
+                col = tex2D(_MainTex,float2(x+uv.x+0.001,uv.y+0.001))+0.05;
+                float3 tmpColor2 = tex2D(_MainTex,0.75*float2(x+0.025, -0.027)+float2(uv.x+0.001,uv.y+0.001));
+                col.r+=tmpColor2.x*0.08;
+                col.g+=tmpColor2.y*0.05;
+                col.b+=tmpColor2.z*0.08;
+                #else
                 col.r = tex2D(_MainTex,float2(x+uv.x+0.001,uv.y+0.001)).x+0.05;
                 col.g = tex2D(_MainTex,float2(x+uv.x+0.000,uv.y-0.002)).y+0.05;
                 col.b = tex2D(_MainTex,float2(x+uv.x-0.002,uv.y+0.000)).z+0.05;
                 col.r += 0.08*tex2D(_MainTex,0.75*float2(x+0.025, -0.027)+float2(uv.x+0.001,uv.y+0.001)).x;
-                col.g += 0.05*tex2D(_MainTex,0.75*float2(x+-0.022, -0.02)+float2(uv.x+0.000,uv.y-0.002)).y;
                 col.b += 0.08*tex2D(_MainTex,0.75*float2(x+-0.02, -0.018)+float2(uv.x-0.002,uv.y+0.000)).z;
+                col.g += 0.05*tex2D(_MainTex,0.75*float2(x+-0.022, -0.02)+float2(uv.x+0.000,uv.y-0.002)).y;
+                #endif
+
 
                 col = clamp(col*0.6+0.4*col*col*1.0,0.0,1.0);