GLTF Viewer: list command line arguments in readme

Author: TheMostDiligent

Samples/GLTFViewer/readme.md

@@ -11,3 +11,14 @@ and [GLTF PBR Renderer](https://github.com/DiligentGraphics/DiligentFX/tree/mast
 [:arrow_forward: Run in the browser](https://diligentgraphics.github.io/wasm-modules/GLTFViewer/GLTFViewer.html)
 
 Additional models can be downloaded from [Khronos GLTF sample models repository](https://github.com/KhronosGroup/glTF-Sample-Models).
+
+**Command Line Arguments**
+
+| Argument                     |          Description               |
+|------------------------------|------------------------------------|
+| `--use_cache {0,1}`		   | Enable/disable GLTF resource cache |
+| `--model <path>`			   | Path to the GLTF model to load     |
+| `--compute_bounds {0,1}`	   | Compute bounding boxes for primitives in the model |
+| `--tex_array {none,static}`  | Texture array mode: <br/> - `none` - use separate textures for each material <br/> - `static` - use static texture indexing (see `PBR_Renderer::SHADER_TEXTURE_ARRAY_MODE_STATIC`) |
+| `--dir <path>`, `-d <path>`  | Add GLTF models from the specified directory to the list of available models |
+| `--ext`, `-e`				   | GLTF model search patterns to use when searching the directories specified with `--dir` separated by `';'` (default: `*.gltf`) |

Samples/GLTFViewer/src/GLTFViewer.cpp

@@ -258,10 +258,10 @@ void GLTFViewer::UpdateModelsList(const std::string& Dir, const std::string& Ext
     if (!Dir.empty())
     {
         FileSystem::SearchFilesResult SearchRes{};
-        std::vector<std::string>      patterns = Ext.empty() ? std::vector<std::string>{"*.gltf"} : SplitString(Ext.begin(), Ext.end(), ";");
-        for (const std::string& pattern : patterns)
+        std::vector<std::string>      Patterns = Ext.empty() ? std::vector<std::string>{{"*.gltf"}} : SplitString(Ext.begin(), Ext.end(), ";");
+        for (const std::string& Pattern : Patterns)
         {
-            FileSystem::SearchFilesResult CurrentSearchRes = FileSystem::SearchRecursive(Dir.c_str(), pattern.c_str());
+            FileSystem::SearchFilesResult CurrentSearchRes = FileSystem::SearchRecursive(Dir.c_str(), Pattern.c_str());
             std::move(CurrentSearchRes.begin(), CurrentSearchRes.end(), std::back_inserter(SearchRes));
         }
         std::sort(SearchRes.begin(), SearchRes.end(), [](const FindFileData& lhs, const FindFileData& rhs) -> bool {