texSubImage2D
abstract fun texSubImage2D(
target: Int,
level: Int,
xoffset: Int,
yoffset: Int,
width: Int,
height: Int,
format: Int,
type: Int,
pixels: ArrayBufferView?)
abstract fun texSubImage2D(
target: Int,
level: Int,
xoffset: Int,
yoffset: Int,
format: Int,
type: Int,
source: TexImageSource?)