| texture | The texture to validate. |
| normalMapTextureType | The return value from the CheckNormalMapTextureType method indicating whether the texture is imported as a normal map. |
Checks whether the texture is a valid TerrainLayer normal map texture. If it detects that the texture is not valid, it displays a warning message that identifies the issue.
A valid normal map texture must be correctly imported as a normal map, have Repeat wrap mode and mipmaps enabled.