PostProcesses error , when I update Babylon4.1.0 Beta16 and use BlackAndWhitePostProcess and colorGradingTexture. My webgl version is 1.0.
https://www.babylonjs-playground.com/#FBH4J7#30
[.WebGL-000000000F671F40] GL_INVALID_OPERATION: The texture is a non-power-of-two texture.
