Textures don't update properly after you turn on "Fancy Graphics"

Step to Reproduce
Step 1: Make sure "Fancy Graphics" is off
Step 2: Be near water or trees to see the difference and make sure you cannot see the "Fancy Graphics" testures
Step 3: Turn on "Fancy Graphics"
Step 4: You can see the textures didn't update completely
Step 5: Go to some unloaded chunks to see the updated Graphics

Observed Result
Only half of the texture gets updated

Expected Result
The entire texture should get updated