Subject: Additive on Macs 2004-02-27 - By Neto
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The problem is not MACs, is OpenGL. Turn DTS off and it'll go into OGL
software, that doesn't support multitexturing. In such mode, additive
blending *will* work, since it'll go multipass, and it's impossible to check
if it's really working in HW mode because you can't get an image from the 3D
screen.
As a fallback option, it's always good to add an alpha channel to your
additive stuff. It'll be promptly ignored if additive kicks in, and I
suppose it'll be enabled if the card insists in rendering everything in a
single pass. At least you won't get a flat white rectangle :)
-- ------ Original Message -- -----
From: dir3d-l@(protected)
To: "dir3d-l@(protected)" <dir3d-l@(protected)>
Subject: Re: [Dir3d-l] Additive on Macs
Date: 27/02/04 12:04
Hi Vegard,
> Test Cases Passed: 1
> API: openGL Fill_Layers: 1 OpenGL Invalid Result (sw mode) ?
This would seem that it didn't work, even though you had a fairly high
OpenGL version installed on your machine.
Can you try it with DTS on ( it's near the top of the screen, as a
square dot toggle ). If it doesn't work, it looks like I'll have to
wait for an update to Shockwave 3D. Additive blending ( with control
over the blending if possible ) would allow for some really cool
effects... eye candy is always handy for covering up dodgy programmer
graphics :)
Cheers...
Mal
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