Add Compute Shader Color Conversion

Util/GPUUtil.cs

@@ -33,27 +33,43 @@ namespace ADOFAIRenderer.Util
             [Codec.VVC] = new List<(GPUVendor, string)> { (GPUVendor.Unknown, "libvvenc") }
         };
 
+        private static GPUVendor _cachedVendor = GPUVendor.Unknown;
+        private static bool _hasCachedVendor = false;
+
         private static GPUVendor GetActiveGPUVendor()
         {
+            if (_hasCachedVendor) return _cachedVendor;
+
             var gpuName = UnityEngine.SystemInfo.graphicsDeviceName;
             Melon<RenderMod>.Logger.Msg($"Active GPU: {gpuName}");
             
+            _cachedVendor = GPUVendor.Unknown;
             foreach (Match unused in Regex.Matches(gpuName, NvidiaPattern))
             {
-                return GPUVendor.NVIDIA;
+                _cachedVendor = GPUVendor.NVIDIA;
+                break;
             }
             
-            foreach (Match unused in Regex.Matches(gpuName, IntelPattern))
+            if (_cachedVendor == GPUVendor.Unknown)
             {
-                return GPUVendor.Intel;
+                foreach (Match unused in Regex.Matches(gpuName, IntelPattern))
+                {
+                    _cachedVendor = GPUVendor.Intel;
+                    break;
+                }
             }
             
-            foreach (Match unused in Regex.Matches(gpuName, AMDPattern))
+            if (_cachedVendor == GPUVendor.Unknown)
             {
-                return GPUVendor.AMD;
+                foreach (Match unused in Regex.Matches(gpuName, AMDPattern))
+                {
+                    _cachedVendor = GPUVendor.AMD;
+                    break;
+                }
             }
             
-            return GPUVendor.Unknown;
+            _hasCachedVendor = true;
+            return _cachedVendor;
         }
 
         public static List<string> GetPrioritizedEncoderCandidates(Codec codec)