Read your question wrong, no, it's the same without compositing.
----- Original Message -----
From: "SiegeLordEx" <slabode@xxxxxxxxxx>
To: <alleg-developers@xxxxxxxxxx>
Sent: Thursday, August 07, 2014 9:35 AM
Subject: Re: [AD] RFC - Linux WM Fullscreen Patch
Apologies if this is obvious from the patch (I still only glanced at
it), but I was under the impression that 'virtual fullscreen' was merely
'fullscreen window' with some letter-boxing transformations? If so, why
is there a difference between the two?
If there is a difference, does the 'virtual fullscreen' work all the
time without compositing too?
-SL
On 08/07/2014 11:25 AM, Trent Gamblin wrote:
Ok. I've already decided yesterday I'll probably abandon this patch
anyway,
but if it's possible and worthwhile to fix who knows.
The problem is with all three fullscreen types there are problems on
Linux.
1) Real fullscreen
KDE: shifted to top left corner
Unity: Needs CCSM installed and switch toggled
XFCE: works
2) Fullscreen window
KDE: Hangs the entire system
Unity: Can't alt-tab out
XFCE: works
3) Virtual fullscreen
KDE: shifted up about 20 pixels
Unity: works
XFCE: works sometimes depending on panel positions
It's freaking disgusting. The only thing that actually works is if you
disable compositing, then fullscreen window basically works.
----- Original Message -----
From: "SiegeLordEx" <slabode@xxxxxxxxxx>
To: <alleg-developers@xxxxxxxxxx>
Sent: Thursday, August 07, 2014 9:19 AM
Subject: Re: [AD] RFC - Linux WM Fullscreen Patch
On 08/07/2014 11:12 AM, SiegeLordEx wrote:
On 08/07/2014 10:52 AM, Trent Gamblin wrote:
Primitives and transforms have always been different for me. Paul,
what's the reason behind this? For example scaling everything up
still
results in crisp lines etc?
Of course it does, primitives are drawn using polygons and they are
going to use screen pixels (i.e. the actual resolution). It's
impossible
to emulate a scaled mode setting with transformations with respect to
how the primitives are drawn.
That's why you always use an intermediate bitmap that you then scale
up
if you want large pixels with your primitives. If you really want a
virtual mode in Allegro, that is the method you need to use.
-SL
I should note that this is not unique to primitives, since bitmaps are
drawn using polygons as well. E.g. drawing a bitmap at fractional
coordinates will look different on a virtual fullscreen and a real
mode.
This is even more easily seen with rotated bitmaps.
-SL
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