Still have this problem, which is odd considering its status as "resolved".
Oh, I know that, I'm just linking up my own related issue to your page so the bug fixers can see it as well.
The last picture depicts what occurs when the brick texture is viewed from an elevation. As one can see, the "fog" mostly disappears, but an odd grid pattern takes its place.
Related: MCPE-16400
Only 0.94 GB. Do you think that's causing the issues?