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Current Z sorting is not very accurate #145

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?

1: Open nullDC r48
2: Load Kidou Senshi Gundam - Renpou vs Zeon
3: Play Arcade mode (1st option on the main menu)

What is the expected output? What do you see instead?
When it asks for a pilot name, the transparency and borders of each character 
and graphic its wrong. Its shown as cyan squares.

Please refer to the attached screenshots. There are 2 screenshots on a real 
dreamcast, and other 2 on nullDC.

The last 2 screenshots are the mission briefing, the when the animation is 
playing, the same transparency issue hapens on the mobile suits and arrows but 
when the animation finishes it fixes itself.

What version of the product are you using? What build? What plugins?

I use version: r48

I use the following plugins:

PowerVR Plugin: nulldc PowerVR Direct3D HAL [Jun 12 2010]
GDRom Plugin: Image Reader Plugin by drk||Raziel and Gigaherz [Jun 12 2010]
AICA Plugin: nulldc AICA [Jun 12 2010]
ARM7 Plugin: VBA ARM Cpu Sound Core [Jun 12 2010]
Maple Plugin(s): PuruPuru Imput Plugin v0.1 by Falcon4Ever [Jun 12 2010]
Ext.Device Plugin: nullExtDev [Jun 12 2010]

On what kind of system?
My system specifications are as follows:

Operating System: Windows 7 x86
CPU: Intel Dual Core E2140 Oc'ed to 2.8ghz
Video Card: ATi Radeon HD4760 512mb
Sound Card: Realtek AC97 (Onboard)

Please provide any additional information below:

Well, its a minor issue, nothing that affects gameplay, because that just 
happens on the menus...But It may be something really easy to fix, and it would 
make this game "perfect" on the emulator since there are no sound or graphics 
problems when playing on battle.

Original issue reported on code.google.com by alforata@gmail.com on 21 Jun 2010 at 9:08

Attachments:

GoogleCodeExporter commented 9 years ago 
I would suggest you to try different PowerVR options, but since this issue just 
happens during menus, maybe it's indeed an emulator issue. Maybe KrossX3 or 
PsyMan can give more details regarding this issue and give some more exact 
suggestion or try to fix it.

Original comment by telmo.qu...@gmail.com on 22 Jun 2010 at 3:54

GoogleCodeExporter commented 9 years ago 
Already tried. Every Z buffer mode works the same, and the only diference is on 
the Sort mode (Off disables the ingame hud), but that's ingame and doesnt do 
anything on the menus...so, KrossX3 or PsyMan, what do you think guys?

Original comment by alforata@gmail.com on 22 Jun 2010 at 5:33

GoogleCodeExporter commented 9 years ago 
Well, its Z sorting being not perfectly accurate, not many things we can do for 
now :p

Original comment by drkIIRaziel on 23 Aug 2010 at 12:01

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago

Original comment by drkIIRaziel on 20 Oct 2010 at 10:52

GoogleCodeExporter commented 9 years ago 
 Probably same issue as with Shenmue trees? NullDC don't support alpha-channels from texture?

Original comment by x.ran...@gmail.com on 3 Nov 2010 at 10:06

GoogleCodeExporter commented 9 years ago 
How about adding auto sorting to nullDC?
I took this idea from DEmul.

Original comment by jedc...@gmail.com on 20 Apr 2012 at 12:33