poertable ops missing textures glitch

[cns00]

i am using version version 0.9.1 of the emulator. everything works fine. there are no black screens. there is only the graphics problem. textures are missing. you have to look in the right angle to make them appear

here is what i see:-
   

has a solution for this problem been found? i played around in the settings but i could not fix it. now it's on the default graphics setting

my laptop is hp pavilion dv6, ati radeon 6770m graphics card with win 7 pro 32 bit