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General discussion (archive)QeffectsGL and DOSBox(18 posts)solved(18 posts)solved
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Posted April 10, 2014
For those of you who doesn't know what QeffectsGL is:
http://code.google.com/p/qeffects-gl/

If I choose OpenGL as output in DOSBox, would QeffectsGL work the way it should?
Post edited April 10, 2014 by Ghostbreed
This question / problem has been solved by F4LL0UTimage
Posted April 10, 2014
I'll have to look into QeffectsGL sometime, sounds interesting.
Since I don't see an opengl32.dll file in the DOSBox folder I assume it uses the regular one from within your system directory which I think you replace with the Qeffects one in order to use that. So I'm assuming that if you set output to opengl you should be in business.
I haven't tried it of course.
Post edited April 10, 2014 by Smannesman
Posted April 10, 2014
You mean it would work then?
Posted April 10, 2014
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Ghostbreed: You mean it would work then?
Theoretically anyway.
I hadn't heard of it before so I don't have any experience with it, but I'm assuming it should work since it's just a modified driver like ENB.
As there is no risk though, why not simply try it?
Posted April 10, 2014
I will. I'l post here later.

It doesn't appear to be working. At least not with Blood.
Post edited April 10, 2014 by Ghostbreed
Posted April 10, 2014
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Ghostbreed: If I choose OpenGL as output in DOSBox, would QeffectsGL work the way it should?
It most definitely won't. OpenGL is only used for drawing the final 2D image by DOSBox, the games themselves do not use the OpenGL functions to render the 3D stuff so the only thing QeffectsGL would be able to do would be filtering the final image - and that's "too late" to do most of the magic that QeffectsGL seems to be capable of. Glow might work but the results are in my experience awful when it's applied to the whole image (interface included).

The only exception being the DOS games that support hardware acceleration (like Tomb Raider and Carmageddon, I think). But those require a custom build of DOSBox that uses a wrapper like nGlide. I guess there's a chance you could somehow make nGlide go through QeffectsGL or something but God knows whether that's gonna deliver the desired results (or work at all).

Edit: But dang, going through nGlide to QeffectsGL would be pretty awesome, it could potentially add some serious eye candy to otherwise visually humble Glide games. Will have to check that out.

Edit 2: Ignore the nGlide + QeffectsGL talk. Read further below why.
Post edited April 10, 2014 by F4LL0UT
Posted April 10, 2014
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F4LL0UT: It most definitely won't. OpenGL is only used for drawing the final 2D image by DOSBox, the games themselves do not use the OpenGL functions to render the 3D stuff so the only thing QeffectsGL would be able to do would be filtering the final image - and that's "too late" to do the magic that QeffectsGL seems to be capable of.
Ah I misread the question, I thought it was just 'would it work'.
But yes it would only 'enhance' very specific calls to the driver which DOSBox probably doesn't make as OpenGL wasn't even around back in the DOS days (I think).
Oh well that's what I get for skimming every post instead of reading them.
Posted April 10, 2014
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Smannesman: But yes it would only 'enhance' very specific calls to the driver which DOSBox probably doesn't make as OpenGL wasn't even around back in the DOS days (I think).
Yeah, but as I said - OpenGL wrappers are used to restore hardware acceleration in some DOS games. So it's potentially possible to apply QeffectsGL's features to those.

Edit: Scratch that - as Strijkbout said, nGlide wraps to Direct3D, so it won't work this way.
Post edited April 10, 2014 by F4LL0UT
Posted April 10, 2014
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F4LL0UT: Yeah, but as I said - OpenGL wrappers are used to restore hardware acceleration in some DOS games. So it's potentially possible to apply QeffectsGL's features to those.
Possible, depends on the implementation.
If DOSBox uses the actual 3D calls that are being modified (again, just guessing that's how it works) it could work.
Which is why I said just try it, if it can't hurt it's usually easier to just try it.
Do you know of any GOG titles that could work?
Posted April 10, 2014
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F4LL0UT: Edit: But dang, going through nGlide to QeffectsGL would be pretty awesome, it could potentially add some serious eye candy to otherwise visually humble Glide games. Will have to check that out.
That would be highly unlikely since nGlide is a 3dfx to Direct3D wrapper.
Posted April 10, 2014
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Ghostbreed: If I choose OpenGL as output in DOSBox, would QeffectsGL work the way it should?
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F4LL0UT: It most definitely won't. OpenGL is only used for drawing the final 2D image by DOSBox, the games themselves do not use the OpenGL functions to render the 3D stuff so the only thing QeffectsGL would be able to do would be filtering the final image - and that's "too late" to do most of the magic that QeffectsGL seems to be capable of. Glow might work but the results are in my experience awful when it's applied to the whole image (interface included).

The only exception being the DOS games that support hardware acceleration (like Tomb Raider and Carmageddon, I think). But those require a custom build of DOSBox that uses a wrapper like nGlide. I guess there's a chance you could somehow make nGlide go through QeffectsGL or something but God knows whether that's gonna deliver the desired results (or work at all).

Edit: But dang, going through nGlide to QeffectsGL would be pretty awesome, it could potentially add some serious eye candy to otherwise visually humble Glide games. Will have to check that out.
I see. Thanks for clarifying.
Posted April 10, 2014
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F4LL0UT: Edit: But dang, going through nGlide to QeffectsGL would be pretty awesome, it could potentially add some serious eye candy to otherwise visually humble Glide games. Will have to check that out.
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Strijkbout: That would be highly unlikely since nGlide is a 3dfx to Direct3D wrapper.
Darn it, you're right. I was convinced it was an OpenGL wrapper. Oh well... thanks for writing that before I started trying things. :B
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Smannesman: Do you know of any GOG titles that could work?
Turns out that none since they are wrapped to Direct 3D after all. Damn.
Post edited April 10, 2014 by F4LL0UT
Posted April 10, 2014
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F4LL0UT: Turns out that none since they are wrapped to Direct 3D after all. Damn.
Oh well at least I've learned about another interesting project and I've been entertained for a couple of minutes by this discussion. So it's not all bad.
Posted April 10, 2014
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Smannesman: Do you know of any GOG titles that could work?
IL-2 Sturmovik 1946 might work.
And any id tech games: Daikatana, Anachronox, Kingpin, Sin, etc.
Post edited April 10, 2014 by Strijkbout
Posted April 10, 2014
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Smannesman: Do you know of any GOG titles that could work?
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Strijkbout: IL-2 Sturmovik 1946 might work.
And any id tech games: Daikatana, Anachronox, Kingpin, Sin, etc.
Well those aren't DOSBox titles so they wouldn't really apply to the conversation, but I know Kingpin is on the compatibility list so that'll probably work.
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General discussion (archive)QeffectsGL and DOSBox(18 posts)solved(18 posts)solved
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