yeah sound like my bum 8800GT, worked like a champ for 6 months then experience a similar problem. what power supply do you have? Maybe the card needs more juice. You said the older card works fine, 8600GT those cards don't have a additional power adapter on it, well at least mine doesn't. Does the GTX280 need additional…
Yeah. This is where the term Specular Power(Gloss) and Roughness are different. If you need to, you convert from a classic specular power, to a roughness value with some simple math. :) // Roughness parameter to a Blinn-Phong specular powerfloat RoughnessToSpecPower(float m) { return 2.0f / (m * m) - 2.0f;}// Blinn-Phong…