using default textures and frniture

<t>when adding floor textures and or wall textures then 2d view gets alot laagy, is there way to improve this? found lot of information ppl runing on ubuntu and haveing same problems<br/>
<br/>
im running <br/>
windows 10 <br/>
2x xeon e5 2640<br/>
64gb ram <br/>
2x r9 280x vga<br/>
<br/>
latest ...