Layered transparency

Technical discussion for those interested in Supermodel development and Model 3 reverse engineering. Prospective contributors welcome.
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Re: Layered transparency

Postby HarryTuttle » Mon Apr 10, 2017 1:59 pm

Ian wrote:And missing headlight effect on t rex scene


Which one? I'm interested if it's a spotlight issue.
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Re: Layered transparency

Postby Ian » Mon Apr 10, 2017 2:19 pm

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Re: Layered transparency

Postby HarryTuttle » Mon Apr 10, 2017 2:29 pm

Aargh! Too bad the savestate isn't available anymore on Mega... :( I'll need to play until that level.
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Re: Layered transparency

Postby Ian » Mon Apr 10, 2017 3:35 pm

I found the save state
check your email :)
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Re: Layered transparency

Postby HarryTuttle » Mon Apr 10, 2017 4:10 pm

Thanks! :)
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Re: Layered transparency

Postby sonic32 » Mon Apr 10, 2017 11:19 pm

Ian wrote:The lost world has 2 interesting bugs..
Missing laser pointer, in game selection.


Hello

In Model 3 hardware, shown in front of a 2D object (Cross)
Supermodel appears in the background 2D objects (bad)
Maybe it will help :)
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Re: Layered transparency

Postby Ian » Tue Apr 11, 2017 4:15 am

I had a look at the ECA ambulance thing
Each ambulance seems to use a different viewport
I think it's using the blend tables specified in the viewports. But not exactly sure how this works
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Re: Layered transparency

Postby HarryTuttle » Tue Apr 11, 2017 11:53 am

sonic32 wrote:In Model 3 hardware, shown in front of a 2D object (Cross)
Supermodel appears in the background 2D objects (bad)
Maybe it will help :)


Not ;)
This is from real hardware (Abe's video):
lw_01.jpeg
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Re: Layered transparency

Postby Ian » Tue Apr 11, 2017 11:58 am

Harry did you have a chance to look at the missing head light in lost world ?
That one had me puzzled :)
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Re: Layered transparency

Postby HarryTuttle » Tue Apr 11, 2017 12:11 pm

Ian wrote:That one had me puzzled :)


Me too... honestly didn't dig it too much yet, maybe tomorrow I'll start dumping some viewport values and see what's going there. I want to check especially the start/extent values, because I'm still not absolutely sure to have correctly emulated them.

The odd thing is that in the original hardware all the viewport seems dimmed except for the headlight area, in Supermodel the scene is illuminated as it was entirely covered by that light. I suspect it's drawing a gigantic ellipse, so I'll check also those 16 bit width/height value.
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