Severe graphic errors in Unreal Tournament on Mali400 and Adreno 205

[Elwood89]

I have a S3 international (Exynos/ Mali400) and a Sony Xperia Play (Qualcomm Snapdragon, Adreno 205). Both on Android 4.1.2.

Both display flickering black triangles in this game. I was going to make a video, but someone beat me to it ;) http://www.youtube.com/watch?feature=player_detailpage&v=yAo2l91Dl0s#t=123

Here we can se someone playing it on a S4(probably a PowerVR SGX 544MP GPU) with only minor flickering: http://www.youtube.com/watch?feature=player_detailpage&v=j_AOT3_D3dY#t=101

it is also listed as playable on the Pandora Compatibility list, with only a "Sometimes single textures are flickering a bit" issue, so probably the big problem is not there as well.

I'm using a Reicast test build from 25.01.2014. (obbf33c from the Lounge Katt buildbot).

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[AbandonedCart]

https://github.com/reicast/reicast-emulator/issues/103 https://github.com/reicast/reicast-emulator/issues/108 Merging these issues together, since they seem to be the same situation

[sergioroprado]

On my note 3 (adreno 330) sonic adventure 2 is running almost perfect, with only very very minor graphical glitches.

[AbandonedCart]

That one shouldn't have been an issue. This seems to be more the 2XX series now.

[hooby3dfx]

There are other games with the same (or similar looking) gfx issue with flickering black triangles: Dynamite Cop (heavy flickering) Sega Bass Fishing (heavy flickering)

[AbandonedCart]

I'm not sure, but what about a build against GLES3, since it seems to be all 4.X.X devices with rendering issues?

[hooby3dfx]

adreno drivers have major issues with es3 (see https://forums.dolphin-emu.org/Thread-opengl-es-3-guide). worth a shot though.

On Mon, Jan 27, 2014 at 2:41 PM, TwistedUmbrella notifications@github.comwrote:

I'm not sure, but what about a build against GLES3, since it seems to be all 4.X.X devices with rendering issues?

— Reply to this email directly or view it on GitHubhttps://github.com/reicast/reicast-emulator/issues/164#issuecomment-33412481 .

[AbandonedCart]

Well I started a compost heap https://github.com/LoungeKatt/reicast-emulator/tree/gl3kk that may eventually turn into GLES3

[Elwood89]

Gentlemen... you are not planning to make this a GLES3-only emu, are you? Are these issues too much to handle for GLES2? Not that I know anything about it, apart from the fact that I have no GLES3 devices, therefore I forbid such action! ;)

[AbandonedCart]

Relax. GLES3 is API 18+. That's application suicide as a sole release. It's like Antutu or any of the Tegra apps where you design it as a separate version. I can't really see skmp switching to a version I don't think his hardware would run either way. It's just research.

[skmp]

Software rendering is much more likely to be a viable solution that ES3 for quite some time ...

On Mon, Jan 27, 2014 at 11:11 PM, TwistedUmbrella notifications@github.comwrote:

Relax. GLES3 is API 18+. That's application suicide as a sole release. It's like Antutu or any of the Tegra apps where you design it as a separate version. I can't really see skmp switching to a version I don't think his hardware would run either way. It's just research.

— Reply to this email directly or view it on GitHubhttps://github.com/reicast/reicast-emulator/issues/164#issuecomment-33423257 .

~skmp

[AbandonedCart]

Yeah. It's amazing that 2 years after the big mess getting the Adreno 205 to even run with ICS, it hasn't improved at all. Now it just breaks quietly.

[AbandonedCart]

https://github.com/hrydgard/ppsspp/issues/5135

Seems related to the problems we are having. Not directly, but it seems the n5 is one of the ones with graphical "hiccups" so I was thinking it could be a result of refresh rate.

[AbandonedCart]

Try the newest build. For Jet Set Radio, it seems to be completely resolved. Current: Before:

[AbandonedCart]

Closing this unless there are new reports. It's flawless on every device tested that previously had the issue.

[hooby3dfx]

unreal still has massive black flickering areas. sega bass fishing still has extreme triangle flickering, though it does look a little better now i think. dynamite cop also has nasty flickering (also might have gotten a little better). i think virtua tennis also got better (now has very minor flickering in players).

all on shield^

On Sun, Feb 2, 2014 at 4:22 PM, TwistedUmbrella notifications@github.comwrote:

Closing this unless there are new reports. It's flawless on every device tested that previously had the issue.

Reply to this email directly or view it on GitHubhttps://github.com/reicast/reicast-emulator/issues/164#issuecomment-33913172 .

[skmp]

try the zhack branch

On Mon, Feb 3, 2014 at 7:21 AM, hooby3dfx notifications@github.com wrote:

unreal still has massive black flickering areas. sega bass fishing still has extreme triangle flickering, though it does look a little better now i think. dynamite cop also has nasty flickering (also might have gotten a little better). i think virtua tennis also got better (now has very minor flickering in players).

all on shield^

On Sun, Feb 2, 2014 at 4:22 PM, TwistedUmbrella <notifications@github.com

wrote:

Closing this unless there are new reports. It's flawless on every device tested that previously had the issue.

Reply to this email directly or view it on GitHub< https://github.com/reicast/reicast-emulator/issues/164#issuecomment-33913172

.

— Reply to this email directly or view it on GitHubhttps://github.com/reicast/reicast-emulator/issues/164#issuecomment-33925511 .

~skmp

[hooby3dfx]

ok, zhack branch has the greatest improvement of everything. unreal - way better (still a little glitchy but playable) dynamite cop - way better (still a little glitchy on first stage but playable, got better in next levels). screenshot attached. sega bass - still wicked glitchy, maybe this is a different issue. screenshot attached. virtua tennis - actually worse in this branch. screenshot attached. other player was invisible.

what do you think the plan will be for integrating a fix? i take it that you want to avoid game specific hacks.

edit: not sure why images arent showing up. oh well, links are there.

[AbandonedCart]

Your gitfu is weak.

They got no legs! It's like pacman tennis...

[AbandonedCart]

I am terrible with C, but this is what I'm thinking is a good way to handle it: https://github.com/LoungeKatt/reicast-emulator/commit/c58b18bd3355156edfe8e5bcdb543aa7c19ad573

[skmp]

Z computation is a quite hot path, this will chop off perfomance. Ill merge to master the modvols edits that arent much of a hack, since we dont render modvols anyway. The rest needs to go.

[AbandonedCart]

All i know is the original zhack commit made all my games 8 bit nightmares lol

[skmp]

Is this still an issue? It should be fixed in r6

[hooby3dfx]

the zhack branch has improvements in some games (UT, Dynamite Cop) but master still has heavy artifacts. havent testing in awhile though, ill check out latest.

[skmp]

This is a quite delicate matter, so moved for r8

[ThEMarD]

Heyyo,

My issue ( #659 ) got merged to this issue and I've read over this and mentions a "zhack branch" which should be working properly. I didn't see a zhack branch on the ci builds page... am I missing something??

I'd seriously love to play Unreal Tournament on my OnePlus One. The Qualcomm SnapDragon 801 should have this game running pretty good I'd think if only I could have it rendering properly. :)

Also, is there a way to donate to this project? I'd love to fund development of this project as it does show promise and has received lots of work over the time I've been watching it.

I'd love to contribute as well as a tester so if you could link me to any builds you'd like me to try I'd be more than enthusiastic to help make this project better if I can. I barely know code though so I can't contribute that way...

[AbandonedCart]

I believe the zhack branch has to be built locally. It isn't attached to the Travis builder.

@skmp would be the one to address the other portion. I believe he was doing hardware donations at one point, but I have no information on that stuff.

Testing is pretty open. Grab a build, post issues, etc. You're helping already :)

[skmp]

As far as I recall, zhack was (partially) merged to master a long time ago.

[AbandonedCart]

a portion of zhack was merged a while back to resolve issues with Sonic Adventure or Shenmue, but there was some trade-off that prevented a complete merge. It was something like it fixed some games but caused black blobs in other games. The parts that had the most benefit with the least regression were merged. Building the branch could more or less completely fix some games, though, if the games it broke were not an issue for the specific user.

[MrPowerGamerBR]

This issue stills persists on the lastest Play Store release and in the lastest Dev Build.

Also, I can't find the zhack branch anywhere, I tried searching on the Dev Builds page, nothing; tried searching on the GitHub branches, also nothing.

[pppgamer]

How can I get my hands on a compiled version of the zhack branch for my device? I'd really like to try this fix.

[AbandonedCart]

The branch no longer exists. Parts have been merged, but it would have been outdated (and likely crash) as a separate branch now.

[pppgamer]

do you think there is a repository somewhere that would have the apk from 2014 when it was current?

[AbandonedCart]

Doubtful, but again it will likely crash because it had no support for current Android.

[pppgamer]

my device is android 4.x (cheap gaming handheld) so I'd really like to hunt out a build from that vintage. I've been trying the older builds on the reicast (ci builds) website, which are stable but al have the severe graphics glitches

[pppgamer]

BTW ... thanks for being so repsonsive

[skmp]

(also replied in mail) If the build is no longer on the builds page, it has been deleted. Is master not working for you?

On Sun, 11 Jun 2017 at 21:34, petervirtual notifications@github.com wrote:

BTW ... thanks for being so repsonsive

— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub https://github.com/reicast/reicast-emulator/issues/164#issuecomment-307651294, or mute the thread https://github.com/notifications/unsubscribe-auth/AAYAMpNDy5QWUY7z2bZ3manmNWjtO29mks5sDEFEgaJpZM4BctL2 .

-- ~skmp

[pppgamer]

I might being doing something wrong so I'll explain what I have done so far. I have been attempting to use reicast on a raspberry pi (which I have set aside for now), an android gaming handheld (android 4.4) and a moto g (3rd gen Android 6.0). The two android devices have identical symptoms however, they are dissimilar hardware and OS

I have attempted to use the play store current verion of reicast and many of the builds from http://builds.reicast.com. When I use the public app or build older than approximately 3/2015 then I get the flashing textures. When I use the newer builds from reicast.com then I get green polygons flashing in place of textures. (See the two behaviors below). Interestingly, when using the raspberry pi and installing using the native installer included, I get the green behavior also.

Your advice is greatly appreciated.

[pppgamer]

Thanks for the reply. I updated the thread with the process I have been through and screenshots. Not sure I'm using the right builds.

https://github.com/reicast/reicast-emulator/issues/164

On Sun, Jun 11, 2017 at 11:07 PM Stefanos Kornilios Mitsis Poiitidis < notifications@github.com> wrote:

(also replied in mail) If the build is no longer on the builds page, it has been deleted. Is master not working for you?

On Sun, 11 Jun 2017 at 21:34, petervirtual notifications@github.com wrote:

BTW ... thanks for being so repsonsive

— You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub < https://github.com/reicast/reicast-emulator/issues/164#issuecomment-307651294 , or mute the thread < https://github.com/notifications/unsubscribe-auth/AAYAMpNDy5QWUY7z2bZ3manmNWjtO29mks5sDEFEgaJpZM4BctL2

.

-- ~skmp

— You are receiving this because you commented. Reply to this email directly, view it on GitHub https://github.com/reicast/reicast-emulator/issues/164#issuecomment-307697348, or mute the thread https://github.com/notifications/unsubscribe-auth/AObZGG1g2b88togR6nZDTSjLt5UqomAdks5sDNWGgaJpZM4BctL2 .

[pppgamer]

Anyone have any ideas on this one?

[conkerbad4day]

Would love to see a fix for this been using samsung s8 snapdragon i can do some test for you guy i would really love to revive this to be fixen thanks you!

[pppgamer]

Me too. I would happily test it also. All the the master builds have the symptoms I have described previously and I would really appreciate a fix for this too. Not sure I have the skills to contribute in any other meaningful way, but I would be willing to help out in any way I can.

[conkerbad4day]

Well testing is another thing first it would be nice to see support from the team and try to fix unreal tournament.... that the only game i want and that the only one that broken please dev we need a fix thank!

[AbandonedCart]

(Off topic conversation removed. Those involved may refer to their email notifications)

[conkerbad4day]

Did i ever said they where similar?!? No... what im saying is that it seems rather long for a team of 12 guy to fix a little problem that was not here at first ofc it can happen but 4 years in my book is rather long all problem dolphin try to fix them in 1 years or less that seem like a reasonable wait but 4 years that so long iv seen the ticket and iv seen that unreal tournament is not the only problem rrciast have .... Ofc doing little update to show that the thing is alive help but when the works doesnt change anything exeptional it make me wonder if the team is really that interested in finishing this project. Dont be mad after me all i am doing is poi ting out the slowness of the team that will lead to its death( i hope not tbh i love it) but iv seen so many emu showing love at first then slowly dying off.

[AbandonedCart]

You keep referencing Dolphin, so you are implying that it is somehow similar. Unreal Tournament is FAR from the only problem. You keep referencing 4 years based on this issue alone. That is 12 people total. That does not account for how recently some have joined or those that only work on a specific frontend exclusively. That number was only relevant in saying that compared to other projects, the team is significantly smaller overall.

The team is interested in "finishing" the project, which is why so much effort has been placed into rallying contribution. You are more than welcome to dwell on your feelings about the past 4 years, but that will do absolutely nothing about resolving the issue today. This is a non-profit open-source project, meaning there are no deadlines for support other than those we set for ourselves because we are contributing our free time, not just code. While leaving an issue sitting for a long time is not ideal, sometimes we do not have a choice in that. Quitting a full-time job because you want to play Unreal Tournament and it needs work would not be realistic.

I appreciate your feedback, but today is a new day. It is time to move on. If you think the project will die because of events that have long since passed, then you have already been proven wrong. Sorry.

[conkerbad4day]

Im just assuming too fast maybe hahaha dont worry im not that interested in playing the game my son is well no worrys dude ur team can take wathever time you want i was just pointing out 4 years yes is long so pleaae dont worry about my statment comparing dolphin it was a stupid thing for me to do ....

Now what could it take to be a tester i got no pc at my hand and i wish to test evergame( i got a collection ) so far almost 50% of what i shoot at it will run well so that a good thing no? For the rest many many game not working and i think reicast will take long before reaching a viable option for an android emulators so we need more guy like you that talk back to people like me otherwise it would be really dead.

[pppgamer]

I’m certainly impressed by all the hard work that goes into a project like this. Honestly, I wish I had the skills it takes to troubleshoot a bug like this one.

I would be greatful if the issue I have experienced and described previously in this thread could be fixed.

Any suggestions on how I could encourage the skillful and smart developers on this project to take a closer look would be greatly appreciated.

Thank you in advance.

[skmp]

Moved to https://github.com/reicast/gamedb/issues/35