[Not a bug] A_SprayDecal different blood color in software

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A_SprayDecal different blood color in software

Postby drfrag » Mon May 24, 2021 1:55 am

It's about this PR: https://github.com/coelckers/gzdoom/pull/1389
In hardware the blood splatters from the "b" guy are blue in the hardware renderer, they are green in the software renderer.
Nash wrote:Example file attached. Summon a or b close to a wall to see its effects.
https://github.com/coelckers/gzdoom/fil ... alTest.zip
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Re: A_SprayDecal different blood color in software

Postby Nash » Mon May 24, 2021 2:20 am



This is the B actor, bleeding, tested in GZDoom 4.5.0 and just shooting it. In the software renderer.

This has nothing to do with A_SprayDecal and my PR. Please edit your post.
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Re: A_SprayDecal different blood color in software

Postby Nash » Mon May 24, 2021 2:22 am

Furthermore, I don't think there's any "bug" here - it is simply that the Doom palette doesn't have any colour that can closely match cyan. That's the best the colour matcher could find.
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Re: A_SprayDecal different blood color in software

Postby Graf Zahl » Mon May 24, 2021 2:24 am

Just like the gray ice corpses in Doom, despite having been derived from a purplish base range. The proper colors just are not there.
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Re: A_SprayDecal different blood color in software

Postby Nash » Mon May 24, 2021 2:30 am




Yeah. Further proof it's not a bug. Same demo from the Github (with the new A_SprayDecal parameters) but with an altered palette. Software renderer.
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Re: A_SprayDecal different blood color in software

Postby drfrag » Mon May 24, 2021 3:33 am

I was not sure that's why i first asked in the PR.
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