fix(d3d11): allow rgba16 motion vector format

Author: 3Shain

src/d3d11/d3d11_context_impl.cpp

@@ -4903,6 +4903,12 @@ class MTLD3D11ContextExt : public IMTLD3D11ContextExt1 {
     case WMTPixelFormatRG32Float:
     case WMTPixelFormatRG32Sint:
       return WMTPixelFormatRG32Float;
+    case WMTPixelFormatRGBA16Sint:
+    case WMTPixelFormatRGBA16Snorm:
+    case WMTPixelFormatRGBA16Uint:
+    case WMTPixelFormatRGBA16Unorm:
+    case WMTPixelFormatRGBA16Float:
+      return WMTPixelFormatRGBA16Float;
     default:
       break;
     }