同步-后处理调整

Assets/Shaders/ScriptablePostProcessor/Shaders/Pixelate.shader

@@ -23,15 +23,14 @@ Shader "Hidden/Custom/Pixelate"
             half4 Frag(Varyings input) : SV_Target
             {
                 float2 uv = input.texcoord;
-                float2 strength = float2(_PixelateStrengthX, _PixelateStrengthY);
-                
-                // 防止除数为0的极小可能崩溃
-                strength = max(strength, float2(1.0, 1.0));
+                float2 resolutionRatio = saturate(float2(_PixelateStrengthX, _PixelateStrengthY));
+                // 使用当前渲染目标分辨率，而不是设备固定分辨率，兼容动态分辨率和渲染缩放。
+                float2 targetResolution = max(floor(_ScreenParams.xy * resolutionRatio), float2(1.0, 1.0));
 
-                float2 uvScaled = uv * strength;
+                float2 uvScaled = uv * targetResolution;
                 float2 uvFloor = floor(uvScaled);
                 float2 uvCenter = uvFloor + 0.5;
-                float2 uvPixelated = uvCenter / strength;
+                float2 uvPixelated = uvCenter / targetResolution;
 
                 // Blitter框架将自动把 SourceTexture 注入为 _BlitTexture
                 return SAMPLE_TEXTURE2D_X(_BlitTexture, sampler_LinearClamp, uvPixelated);