I am not sure, I haven't dug that deep into it
just mostly noting the bug is here so we can look at it in the future
But yeah I suspect maybe jtag isn't working quite right
The lasers come out the wrong colour h/w https://i.imgur.com/6VccIwf.jpg supermodel https://i.imgur.com/abBEKUy.jpg I know roughly what the issue is. The lasers have lighting applied, and the backfaces apply negative lighting. Basically the lighting is not clamped so goes negative. Other parts of th...
The lighting is the 'same'. The lighting on the model3 is super simple, it's just the dot product of the light vs the normal. The issue is on the back faces the lighting can actually go negative and if you don't clamp it it can actually subtract from the ambient value, and that's what you see in Day...
I noticed some minor differences. In that scene when the guy closes the bonnet you can see a large nut in the middle of the view. In their version it's missing. In Supermodel it calculates the z range and expands it around the scene. The nut is drawn extremely close to the camera, so they must be us...
I find it amazing after 20 years of dev we are still unlocking secrets to the hardware :) Although emulation is very close to perfect these days. I also find it quite amazing how much was worked out in the early days with literally nothing more than a dump of the games and a pdf description of the r...