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mthmob is offline mthmob
2010-03-29 , 16:22
Posts: 378 | Thanked: 206 times | Joined on Dec 2009 @ Denmark
#351
Looks great will you re-implement turning off frameskip for certain elements (poly, line, etc.)? And Cycle Multiplier? those where great tools for tuning performance of the games
 
smoku's Avatar
smoku is offline smoku
2010-03-29 , 16:31
Posts: 1,716 | Thanked: 3,007 times | Joined on Dec 2009 @ Warsaw, Poland
#352
Sure.
This is plain copy-paste work and I wanted to get it working as a whole first.
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Rushmore is offline Rushmore
2010-03-29 , 16:40
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#353
Originally Posted by smoku View Post
Sure.
This is plain copy-paste work and I wanted to get it working as a whole first.
Smoku, two questions, please:

1. Any idea what causes the left arrow key to be second start key after remapping. Any chance this will get fixed?

2. Is there a practical chance that the GPU can be used in future versions? That should result in near "perfect" results for a ton of PSX games.

Raiden 2 and Hot Shots Golf already play good, so I appreciate the work
 
lucas777 is offline lucas777
2010-03-29 , 16:51
Posts: 738 | Thanked: 179 times | Joined on Mar 2010 @ Gold Coast, Australia
#354
Is it just me or do PSX games look like crap? i just played rally cross 2 demo and the game runs perfect apart from the lasttime i played a ps1 was 6 7 years ago maybe more, just cant tell if the graphics are correct or not.
 
Rushmore is offline Rushmore
2010-03-29 , 18:51
Posts: 1,255 | Thanked: 393 times | Joined on Oct 2009 @ US
#355
On such a tiny screen (compared to an average 19" TV), most games should look good
 
smoku's Avatar
smoku is offline smoku
2010-03-29 , 21:30
Posts: 1,716 | Thanked: 3,007 times | Joined on Dec 2009 @ Warsaw, Poland
#356
Originally Posted by Rushmore View Post
1. Any idea what causes the left arrow key to be second start key after remapping. Any chance this will get fixed?
I haven't looked at it yet. It's on my TODO list though.
But I haven't got any problems with Tekken3, so I'm not sure I will be able to reproduce it.

Originally Posted by Rushmore View Post
2. Is there a practical chance that the GPU can be used in future versions? That should result in near "perfect" results for a ton of PSX games.
Yes it is. AFAIK psx4iphone uses OpenGL ES backend for GPU and there is a non-functioning stub for glgpu in psx4all sources.

PCSX OpenGL GPU works great with texture aliasing and real alpha blending, so it is perfectly possible to write PSX GPU emulator using hardware acceleration.

It should be even simpler with OpenGL ES 2 of N900 - you may put a lot of effort to shaders code and put even more work directly on hardware.

Care to write this backend?
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smoku is offline smoku
2010-03-29 , 21:37
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#357
Originally Posted by Rushmore View Post
On such a tiny screen (compared to an average 19" TV), most games should look good
Please mind that the device screen has more than double the resolution of the standard TV, so you have more than 4 times the pixels on screen.

This is why the softgpu backend employs simple 2x scaler and you have huge 2x2 "pixels" for every original PSX pixel.

Things get better when you render GPU commands using OpenGL/DirectX - you just enlarge the scene, and have sharp, antialiased edges and textured rendered nicely for the full resolution.
Ex. Tekken3 looks awesome in FullHD on ePSXe on standard PC.
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nax3000 is offline nax3000
2010-03-29 , 21:39
Posts: 619 | Thanked: 100 times | Joined on Jan 2010
#358
Originally Posted by smoku View Post
I haven't looked at it yet. It's on my TODO list though.
But I haven't got any problems with Tekken3, so I'm not sure I will be able to reproduce it.



Yes it is. AFAIK psx4iphone uses OpenGL ES backend for GPU and there is a non-functioning stub for glgpu in psx4all sources.

PCSX OpenGL GPU works great with texture aliasing and real alpha blending, so it is perfectly possible to write PSX GPU emulator using hardware acceleration.

It should be even simpler with OpenGL ES 2 of N900 - you may put a lot of effort to shaders code and put even more work directly on hardware.

Care to write this backend?
Man, that's great new. I hope this works out!
Hey did you pull PSX4ALL out of devel?
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Last edited by nax3000; 2011-03-18 at 12:38.
 
smoku's Avatar
smoku is offline smoku
2010-03-29 , 21:43
Posts: 1,716 | Thanked: 3,007 times | Joined on Dec 2009 @ Warsaw, Poland
#359
It was still on http://repository.maemo.org/extras-d...ree/p/psx4all/ last time I checked ;P
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nax3000 is offline nax3000
2010-03-29 , 21:48
Posts: 619 | Thanked: 100 times | Joined on Jan 2010
#360
Hmm, that's weird, I uninstalled it this morning and now I updated the repos and I don't see it. EDIT - it does find psx4all through apt-get install though. Weird...
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Last edited by nax3000; 2011-03-18 at 12:39.
 

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