Add adaptive feed texture probe

AppConfig.cpp

@@ -581,6 +581,10 @@ bool applyConfigFile(
     {
         config.v210UploadWorker = boolValue;
     }
+    if (jsonBool(objectField(*root, "adaptiveFeedTexture"), boolValue))
+    {
+        config.adaptiveFeedTexture = boolValue;
+    }
 
     if (const std::string* present =
             jsonString(objectField(*root, "present")))
@@ -814,6 +818,7 @@ void printUsage(const char* executableName)
         << "  --verbose             Enable detailed startup and SDK logs\n"
         << "  --pace-uploads        Pace v210 uploads by feed frame rate\n"
         << "  --v210-upload-worker  Copy direct v210 payloads on a worker thread\n"
+        << "  --adaptive-feed-texture Size feed textures to grid tile size\n"
         << "  --config <path>       Load JSON feed configuration\n"
         << "  --grid <cols>x<rows>  Set multiview grid (default 2x2, max 16 feeds)\n"
         << "  --fps-cap <fps>       Limit render loop FPS (default 60)\n"
@@ -966,6 +971,12 @@ ConfigParseResult parseAppConfig(
             continue;
         }
 
+        if (arg == "--adaptive-feed-texture")
+        {
+            result.config.adaptiveFeedTexture = true;
+            continue;
+        }
+
         if (arg == "--v210-staging-memory")
         {
             if (i + 1 >= argc)