ogl also has problems with shadows but little less noticable then Dx9.go to pic which Fevy showed and walk in there its easy to see,a lot of rendering problems result in stuttering effect.
My Rig:
Mainboard: Asus P8-Z77 | Ram: ExceleRam 2x8GB DDR3 Black Shark 1600MHz Cl9 | GFX: Nvidia GTX950 WFOC 2GB DDR5
CPU+Cooler: [color=#0000CD]Intel 2500K[/color] [color=#32CD32]@[/color] [color=#FF0000]4.6ghz[/color] + Xigmatek Gaia SD1283 (Push/Pull)
Mainboard: Asus P8-Z77 | Ram: ExceleRam 2x8GB DDR3 Black Shark 1600MHz Cl9 | GFX: Nvidia GTX950 WFOC 2GB DDR5
CPU+Cooler: [color=#0000CD]Intel 2500K[/color] [color=#32CD32]@[/color] [color=#FF0000]4.6ghz[/color] + Xigmatek Gaia SD1283 (Push/Pull)