1. @DomName('WebGL2RenderingContext.copyBufferSubData')
  2. @DocsEditable()
  3. @Experimental()
void copyBufferSubData(int readTarget, int writeTarget, int readOffset, int writeOffset, int size)

Source

@DomName('WebGL2RenderingContext.copyBufferSubData')
@DocsEditable()
@Experimental() // untriaged
void copyBufferSubData(int readTarget, int writeTarget, int readOffset,
        int writeOffset, int size) =>
    _blink.BlinkWebGL2RenderingContext.instance.copyBufferSubData_Callback_5_(
        this, readTarget, writeTarget, readOffset, writeOffset, size);