滤镜增加通用参数RenderScale

优化滤镜机制

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

@@ -9,17 +9,23 @@ namespace AxibugEmuOnline.Client
 {
     public abstract class FilterEffect
     {
-        public BoolParameter Enable = new BoolParameter(false);
+        public bool Enable { get; set; }
+
+        [Range(0.1f, 4f)]
+        public FloatParameter RenderScale;
+
         public abstract string Name { get; }
         public IReadOnlyCollection<EditableParamerter> EditableParam => m_editableParamList.AsReadOnly();
 
         List<EditableParamerter> m_editableParamList;
         Material m_material;
-
+        protected virtual float m_defaultRenderScale { get => 1f; }
         protected abstract string ShaderName { get; }
+        private static int m_iResolutionID = Shader.PropertyToID("_iResolution");
 
         public FilterEffect()
         {
+            RenderScale = new FloatParameter(m_defaultRenderScale);
             GetEditableFilterParamters();
             m_material = new Material(Shader.Find(ShaderName));
             OnInit(m_material);
@@ -31,7 +37,6 @@ namespace AxibugEmuOnline.Client
         {
             var parameters = (from t in GetType().GetFields(BindingFlags.Instance | BindingFlags.Public)
                               where t.FieldType.IsSubclassOf(typeof(FilterParameter))
-                              where t.DeclaringType.IsSubclassOf(typeof(FilterEffect))
                               orderby t.MetadataToken
                               select t);
 
@@ -54,7 +59,7 @@ namespace AxibugEmuOnline.Client
 
         public void Render(Texture src, RenderTexture result)
         {
-            m_material.SetVector("_iResolution", new Vector4(result.width, result.height));
+            m_material.SetVector(m_iResolutionID, new Vector4(result.width, result.height));
             OnRenderer(m_material, src, result);
         }
 

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

@@ -4,7 +4,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using UnityEngine;
+using UnityEngine.UI;
 using static AxibugEmuOnline.Client.FilterEffect;
+using static AxibugEmuOnline.Client.FilterManager;
 
 namespace AxibugEmuOnline.Client
 {
@@ -48,34 +50,63 @@ namespace AxibugEmuOnline.Client
         }
 
         private RenderTexture result = null;
-        public Texture ExecuteFilterRender(Texture src)
+        public void ExecuteFilterRender(Texture src, RawImage renderGraphic)
         {
-            if (result == null)
+            //获得激活的滤镜
-            {
+            Filter activeFilter = null;
-                result = RenderTexture.GetTemporary(Screen.width, Screen.height);
-            }
-            else if (result.width != Screen.width || result.height != Screen.height)
-            {
-                RenderTexture.ReleaseTemporary(result);
-                result = RenderTexture.GetTemporary(Screen.width, Screen.height);
-            }
-
-
-
-            bool anyFilterEnable = false;
             foreach (var filter in Filters)
             {
-                if (!filter.m_setting.Enable.GetValue()) continue;
+                if (!filter.m_setting.Enable) continue;
-                filter.m_setting.Render(src, result);
+                activeFilter = filter;
-                anyFilterEnable = true;
+                break;
             }
 
-            if (anyFilterEnable)
+            if (activeFilter == null)
-                return result;
+            {
-            else
+                renderGraphic.texture = src;
-                return src;
+                return;
             }
 
+            var resolution = GetRawImageScreenResolution(renderGraphic);
+            int resWidth = (int)(resolution.x * activeFilter.m_setting.RenderScale.GetValue());
+            int resHeight = (int)(resolution.y * activeFilter.m_setting.RenderScale.GetValue());
+
+            if (result == null)
+            {
+                result = RenderTexture.GetTemporary(resWidth, resHeight);
+            }
+            else if (result.width != resWidth || result.height != resHeight)
+            {
+                RenderTexture.ReleaseTemporary(result);
+                result = RenderTexture.GetTemporary(resWidth, resHeight);
+            }
+
+            activeFilter.m_setting.Render(src, result);
+
+            renderGraphic.texture = result;
+        }
+
+        Vector2 GetRawImageScreenResolution(RawImage rawImage)
+        {
+            // 获取 RawImage 的 RectTransform
+            RectTransform rectTransform = rawImage.rectTransform;
+
+            // 获取 RawImage 在屏幕上的四个顶点的世界坐标
+            Vector3[] corners = new Vector3[4];
+            rectTransform.GetWorldCorners(corners);
+
+            // 左下角和右上角的屏幕坐标
+            Vector2 bottomLeft = RectTransformUtility.WorldToScreenPoint(rawImage.canvas.worldCamera, corners[0]);
+            Vector2 topRight = RectTransformUtility.WorldToScreenPoint(rawImage.canvas.worldCamera, corners[2]);
+
+            // 计算宽度和高度
+            float width = topRight.x - bottomLeft.x;
+            float height = topRight.y - bottomLeft.y;
+
+            return new Vector2(width, height);
+        }
+
+
         /// <summary> 关闭滤镜预览 </summary>
         public void ShutDownFilterPreview()
         {
@@ -96,8 +127,8 @@ namespace AxibugEmuOnline.Client
         {
             foreach (var selfFiler in Filters)
             {
-                if (selfFiler != filter) selfFiler.m_setting.Enable.Override(false);
+                if (selfFiler != filter) selfFiler.m_setting.Enable = false;
-                else selfFiler.m_setting.Enable.Override(true);
+                else selfFiler.m_setting.Enable = true;
             }
         }
 
@@ -108,7 +139,7 @@ namespace AxibugEmuOnline.Client
         {
             //关闭所有后处理效果
             foreach (var filter in Filters)
-                filter.m_setting.Enable.Override(false);
+                filter.m_setting.Enable = false;
         }
 
         /// <summary>

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

@@ -37,7 +37,6 @@ public sealed class FixingPixelArtGrille : FilterEffect
 
     protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
     {
-        renderMat.SetVector("_iResolution", new Vector4(result.width, result.height, 0, 0));
         renderMat.SetVector("_res", new Vector4(DrawResolution.GetValue().x, DrawResolution.GetValue().y, 0, 0));
         renderMat.SetFloat("_hardScan", HardScan.GetValue());
         renderMat.SetFloat("_hardPix", HardPix.GetValue());

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

@@ -9,7 +9,6 @@ public sealed class LCDPostEffect : FilterEffect
 
     protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
     {
-        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

@@ -13,11 +13,9 @@ public sealed class MattiasCRT : FilterEffect
     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");
@@ -25,7 +23,6 @@ public sealed class MattiasCRT : FilterEffect
 
     protected override void OnRenderer(Material renderMat, Texture src, RenderTexture result)
     {
-        renderMat.SetVector(_pid_iResolution, new Vector4(result.width, result.height, 0, 0));
         renderMat.DisableKeyword(_kw_qualityLow);
         renderMat.DisableKeyword(_kw_qualityMid);
         renderMat.DisableKeyword(_kw_qualityHigh);

AxibugEmuOnline.Client/Assets/Script/AppMain/Filter/RetroArch_Glow/RetroArchMattiasCRTGlow.cs

@@ -1,4 +1,4 @@
-using Assets.Script.AppMain.Filter;
+using Assets.Script.AppMain.Filter;
 using AxibugEmuOnline.Client;
 using UnityEngine;
 using UnityEngine.Rendering;
@@ -47,7 +47,6 @@ public class RetroArchMattiasCRTGlow : FilterEffect
         m_multipPassCmd.Clear();
 
         m_multipPassCmd.GetTemporaryRT(m_wrapRT, result.width, result.height);
-        renderMat.SetVector("_iResolution", new Vector2(result.width, result.height));
 
         renderMat.SetFloat(m_gamma_ID, InputGamma.GetValue());
         renderMat.SetFloat(m_horiz_gauss_width_ID, GaussianWidth.GetValue());

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

@@ -16,6 +16,6 @@ public class UIFilterPreviewer : MonoBehaviour
 
     private void Update()
     {
-        m_rawImg.texture = App.filter.ExecuteFilterRender(m_src);
+        App.filter.ExecuteFilterRender(m_src, m_rawImg);
     }
 }

AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/VideoProvider.cs

@@ -79,7 +79,7 @@ namespace AxibugEmuOnline.Client
 
         public void ApplyFilterEffect()
         {
-            Image.texture = App.filter.ExecuteFilterRender(rt_gpu);
+            App.filter.ExecuteFilterRender(rt_gpu, Image);
         }
 
         private unsafe void PrepareUI(uint* screenData)