void copyTexSubImage2D(
int target,
int level,
int xoffset,
int yoffset,
int x,
int y,
int width,
int height
)

Not documented.

Source

@DomName('WebGLRenderingContext.copyTexSubImage2D')
@DocsEditable()
void copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y, int width, int height) => _blink.BlinkWebGLRenderingContext.instance.copyTexSubImage2D_Callback_8_(unwrap_jso(this), target, level, xoffset, yoffset, x, y, width, height);