Fix DirectX::OptimizeFacesEx call

WIP

Use MyGUI from vcpkg

Initial commit

fix GL3 tools/demos on MacOS

suppress unknow warnings on old clang

fix FilterNone for all platforms

fix typo in the DirectXDataManager::addResourceLocation

fix FilterNone for Ogre 14+

Implement and use AnsiToWideString()

Use D3DPOOL_DEFAULT

Add WideToAnsiString() function

Add WideToAnsiString() function

WIP

Fix new game fail

Use DirectXTex library instead of D3DX

Remove ID3DXMesh

Add copilot-instructions.md

Fix for scope loop