I have a mac and shader still do not work. :/

GeForce FX 5200:

Chipset Model: GeForce FX 5200
Type: Display
Bus: AGP
Slot: AGP
VRAM (Total): 64 MB
Vendor: nVIDIA (0x10de)
Device ID: 0x0329
Revision ID: 0x00b1
ROM Revision: 2103
Displays:
iMac:
Display Type: LCD
Resolution: 1680 x 1050
Depth: 32-bit Color
Built-In: Yes
Core Image: Supported
Main Display: Yes
Mirror: Off
Online: Yes
Quartz Extreme: Supported
Display:
Status: No display connected