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16bit rgb screenmodes and mediator/voodoo   Message List  
Reply | Forward Message #18745 of 18771 |
Re: [Amiga-Mediator] Re: 16bit rgb screenmodes and mediator/voodoo

Hello Matt Hey <matthey7@...>:

> It looks like P96 works well with the Mediator except for the bugs that Elbox
> hasn't fixed in their drivers. They seem to ignore the bugs in new driver
> updates. I tried rolling back to the last version and the same bugs were
> still there. The bugs are repeatable (every time) which should make them
> easier to find and fix. They occur in my 3000T or 4000T with Voodoo3 or
> Voodoo4. It's like Elbox only hears what they want to hear and they don't
> like to communicate. It may limit liabilities but it also limits business.
> The Amiga, including classic, has gained some momentum as of late with the
> efforts of people like Bernd and others porting to all Amiga flavors. It
> would sure be nice if Elbox added to the effort by fixing the bugs in a
> timely manner. SDL could be usable at 10-15 fps on a 68060, for example, if
> the big endian modes worked correctly.


- Is it really sure that the SDL - ixemul applications colors problems on some
RGBA screns came from a P96 voodoo driver with problems ???? Sure No doubt that
this problem not came from P96 rtg.library ????

sorry to ask you because you seemed more sure than me ;-)


- Do you know other problems that could came from the voodoo3 drivers ????


Too bad that some colors problems with some P96 resolutions apparently came from
the voodoo3 P96 drivers, who came from elbox. Will be verry uefull to know the
elbox point of view about this colors on some screenmodes problem ;-)





For informations to @all, the SDL test on utilitybase based on the SDL demo
posted on the thread:

http://utilitybase.com/forum/index.php?action=vthread&forum=21&topic=1720

and your results are:

firenew2 test. 68060@75MHz, AmigaOS 3.9 & P96 2.x, Mediator with Voodoo4,
800x600...

32bit BGRA 23 fps
32bit ARGB 22 fps, colors messed up
24bit BGR 10 fps
16bit PC 26 fps
16bit BE 23 fps, colors messed up
15bit PC 24 fps
15bit BE 23 fps, colors messed up
8bit chunky 23 fps, colors messed up

PC=little endian, BE=big endian
Big endian modes are messed up because of a bug in the Mediator Voodoo drivers.
No crashes but I didn't run MuForce as it may slow the results.






Wed Jun 10, 2009 10:40 am

mrodfr
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Message #18745 of 18771 |
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Hello, + With 16 bit rgb screenmodes, there are some colors problems with P96 and/or voodoo drivers, since some versions now. + also on 16 bit rgb screenmode...
Mrod
mrodfr
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May 22, 2009
5:46 pm

@Mrod I noticed that the big endian (non-PC) 16 bit modes were broken on my Voodoo4 as well. The colors are all wrong and then everything usually freezes. I...
Matt Hey
matthewhey
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May 25, 2009
3:25 pm

I have done some further bug testing... 16 bit big "endian" modes and 32 bit TrueAlpha modes both have wrong colors and distorted pointers. The problem occurs...
Matt Hey
matthewhey
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Jun 1, 2009
10:17 am

Hello Matt On 31/05/2009, Matt Hey wrote: thanks for answering and the links. I will test your explanations below in the next days (I have actually some...
Mrod
mrodfr
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Jun 2, 2009
5:47 pm

Hello Matt ... http://utilitybase.com/forum/index.php?action=vthread&forum=3&topic=1697#14 ... Hello Mat, and mediator user, Thanks for investigating the...
Mrod
mrodfr
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Jun 7, 2009
8:33 am

@Mrod It looks like P96 works well with the Mediator except for the bugs that Elbox hasn't fixed in their drivers. They seem to ignore the bugs in new driver...
Matt Hey
matthewhey
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Jun 7, 2009
9:50 pm

... - Is it really sure that the SDL - ixemul applications colors problems on some RGBA screns came from a P96 voodoo driver with problems ???? Sure No doubt...
mrodfr@...
mrodfr
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Jun 10, 2009
10:40 am

... I'm going off my not so reliable memory that all the modes worked with the Mediator drivers installed on the original Mediator CD. I seem to recall using...
Matt Hey
matthewhey
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Jun 10, 2009
8:18 pm

Hello Matt ... I have tested the original voodoo.card 4.13 and pci.library 5.1 (from my original MMCD) and same wrong colors problems when using a RGBA screen...
Mrod
mrodfr
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Jun 14, 2009
4:55 am

On 22-May-09 17:46:11, Mrod said ... I've not been able to get any SDL based programs to work. :( ... Good man - best of luck. :) ... Answered, but no...
Angus Manwaring
angus_inthewest
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Jun 9, 2009
8:03 pm

... Install the last SDL.library for 68k (aminet surely) and the ixemul.library 48.0 - 48.2 (NOT THE V48.3) or the Bernd one - V61.1 last version) and try...
mrodfr@...
mrodfr
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Jun 10, 2009
10:49 am
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