These drivers for BF3 fixed my problem with this odd textures (artifacts). I installed the ATI Rage performance drivers but it didn't help. So i tried this one and it helpd. Hope it'll help.
http://support.amd.com/us/kbarticles/Pages/AMDCatalyst1110Previewdriver.aspx

nice didnt work for me and my ATI HD 5670 card...games totaly unplayable.