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[GH-ISSUE #1313] Buffered render issue with PowerVR SGX 540, (updated) #423
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Originally created by @vontman on GitHub (Apr 16, 2013).
Original GitHub issue: https://github.com/hrydgard/ppsspp/issues/1313
let the screenshots describe the problem
off
on
off
on
off
on
other one i found Dissidia Final Fantasy, and dissidia 012
on
https://f.cloud.github.com/assets/4175383/429926/e3487bd8-ae56-11e2-9487-3f022301b81e.png
off
https://f.cloud.github.com/assets/4175383/429925/df73033e-ae56-11e2-9702-36ebc6720ef3.png
Tested on galaxy tab 2 7.0 and galaxy nexus
this is becoming really annoying @_@
@dbz400 commented on GitHub (Apr 16, 2013):
This is not an issue indeed as turn off buffered rendering suppose to lose graphics or some special effects .
@vontman commented on GitHub (Apr 17, 2013):
but turning off buffered render makes the games much slower
@unknownbrackets commented on GitHub (Apr 17, 2013):
If buffered rendering enabled makes it show broken graphics, this is definitely an issue.
Having it enabled normally makes it slower. Are you saying that disabling buffered rendering makes it slower for you, but more accurate? That is strange.
-[Unknown]
@vontman commented on GitHub (Apr 17, 2013):
With the buffered rendering on , the image becomes very smooth and fast, but in some games I have broken graphics like the above, and I can't use frame skip as the screen turns black' but I noticed some thing in ultimate ninja impact, I tried it on xperia pro, and found that the buffered rendering works well with it , will this mean that it depends on the GPU?
By the way my device is galaxy tab 2 7.0, p3100
Chipset Ti Omap 4430
GPU PowerVR SGX540
Processor is dual core 1ghz cortex a9
@vontman commented on GitHub (Apr 18, 2013):
Any help here I can get?
@hrydgard commented on GitHub (Apr 18, 2013):
@vontman, stop posting if you don't have anything to add. We'll get to it but are obviously working on other things right now.
@vontman commented on GitHub (Apr 26, 2013):
another one i found Dissidia Final Fantasy
on
off
this is becoming really annoying @_@
@vontman commented on GitHub (Apr 26, 2013):
I found out it is the same on google nexus which has the same power vr gpu, could this be like the mali400 problem?
@unknownbrackets commented on GitHub (Oct 12, 2013):
Was this improved by any of the alphatest stuff? I have a feeling we have this bug open multiple times.
-[Unknown]
@unknownbrackets commented on GitHub (Jan 25, 2014):
Seems this still does happen:
http://forums.ppsspp.org/showthread.php?tid=8479
Here's a possibly related bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=950050
And then, here's something interesting:
https://github.com/kakaroto/e17/blob/master/evas/src/modules/engines/gl_x11/evas_engine.c#L3369
Seems to be using a texture for stencil/depth when both are used instead of renderbuffers on SGX.
It also sets depth after stencil.Oops, misread.Some examples I see have glBindFramebuffer() called earlier but doesn't look likely to matter.
Maybe it's worth (kindly) asking for help on this forum:
http://forum.imgtec.com/discussion/1979/how-to-create-gl-depth24-stencil8-oes-tex
-[Unknown]
@hrydgard commented on GitHub (Jan 25, 2014):
Thanks for the links. Phew, what a mess this stuff is...
@sum2012 commented on GitHub (Aug 10, 2014):
My qq freind 俺が!ガンダムだ also have problem (Buffered render) in
Dainiji Super Robot Taisen Z Saiseihen
There is a small black box
The missle 's black line
edit:he test in v0.9.9-68-g404766c
@unknownbrackets commented on GitHub (Sep 8, 2014):
Does this still happen on the latest build with default settings?
-[Unknown]
@sum2012 commented on GitHub (Sep 8, 2014):
My friend said that solved black line but it is missing shadow
http://postimg.org/image/62a6dcwcx
@daniel229 commented on GitHub (Sep 8, 2014):
the missing shadows is this problem.
https://github.com/hrydgard/ppsspp/issues/6858
@unknownbrackets commented on GitHub (Sep 29, 2014):
So, now that that is fixed, are all the problems gone?
-[Unknown]
@sum2012 commented on GitHub (Mar 1, 2015):
My friend still have problrem have this (PPSSPP v1.0-101-g1170331)
https://cloud.githubusercontent.com/assets/2177532/3868276/d6bf2a44-2031-11e4-877c-eb52858a9c9f.jpg
https://cloud.githubusercontent.com/assets/2177532/3471442/c4d9f0b6-02c2-11e4-886a-80959857c9fd.jpg
@unknownbrackets commented on GitHub (Mar 1, 2015):
And that's definitely with all speedhacks off (disable alpha test and disable slower effects must not be on, buffered rendering must be used, block transfers on, etc.)? Because that effect definitely requires all of that.
Even so, this is PowerVR 5, so I certainly don't trust it to be able to do the effects correctly in the shader anyway.
-[Unknown]
@sum2012 commented on GitHub (Mar 1, 2015):
He used Texture coord speedhack and Timer hack .
I have told him to re-test again
@sum2012 commented on GitHub (Mar 1, 2015):
He turn off that two hack still same picture.
PPSSPP version v1.0-101-g1170331
(disable alpha test and disable slower effects must not be on, buffered rendering must be used, block transfers on.)?
@unknownbrackets commented on GitHub (Mar 1, 2015):
I would not be shocked if PowerVR 544 was not properly calculating the result of
max(x, y), but don't have a device to verify this with. That affect uses a max equation.-[Unknown]
@unknownbrackets commented on GitHub (Mar 8, 2015):
I noticed that SGX 540 devices, specifically, are giving us quite a lot of shader compilation failures even for simple (as well as complex) shaders, like this one:
This is already software transform, and there's no error detail - just "Compile failed." My thought is, it may be simply running out of memory or something. It should still be showing a message on screen, though.
I wonder if that's related. We might even draw things wrong by not having space to upload the texture.
-[Unknown]
@sum2012 commented on GitHub (Mar 8, 2015):
Can we make this test shader program in the "developer tools" ?
Show in the screen of the error whether it compile failed
@unknownbrackets commented on GitHub (Mar 8, 2015):
Well, the thing is, the UI basically already uses a shader that is very similar. So my point is, it must not be that this shader always fails, but rather that it's failing sometimes. And sometimes probably means memory/resources.
So a test in the developer tools wouldn't tell us much, since the UI working is already telling us the driver is capable of compiling basic shaders.
-[Unknown]
@sum2012 commented on GitHub (Mar 8, 2015):
I see
@shinemu commented on GitHub (Jul 8, 2015):
Please forgive me, i didn't know about that :( btw i want to report that there's no animation ( black screen) on queen blade spectral chaos on dev working version but work fine on stable 1.0.1.0 and most of the game got sound glitch or unclear sometimes ( stable and dev )
@sum2012 commented on GitHub (Jul 8, 2015):
@shinemu
Try to find out that which version start to broke (no animation)in
edit: http://buildbot.orphis.net/ppsspp/index.php?m=fulllist
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 i try all build from latest to build 1.1.123 and i found the problem start at build 1.1.158 but it was fine on 1.1.152
@shinemu commented on GitHub (Jul 9, 2015):
Sorry typo..i mean i try all build from latest to build 1.0.1-123 and found the problem start at build 1.0.1-158 but works fine on 1.0.1-152
@sum2012 commented on GitHub (Jul 9, 2015):
That mean v1.0.1-152-g9db4c5f is good
v1.0.1-158-g33b291a bad
Edit:That is pull request #7567
@sum2012 commented on GitHub (Jul 9, 2015):
@shinemu I need you test 4 times build from my build to easier fix.
Does this work ?
https://drive.google.com/file/d/0B3OaSdeV0L8kVzYxU0tBOVFqczg/view?usp=sharing
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 gladly ^_^ and i'll come back with the report right away
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 commented on GitHub (Jul 9, 2015):
@shinemu I mean I will make 4 build then you need test them.
Anyway,seem bad last build.
Here is another build test.
https://drive.google.com/file/d/0B3OaSdeV0L8kTmxWRVQwX1pPWk0/view?usp=sharing
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 aye aye sir ^_^ btw how bout super robot wars Z 1 and 2 ? Do we have a fix too?
@sum2012 commented on GitHub (Jul 9, 2015):
@shinemu No,we don't have a fix for super robot wars Z 1 and 2
Anyway , what is this build result ?
https://drive.google.com/file/d/0B3OaSdeV0L8kTmxWRVQwX1pPWk0/view?usp=sharing
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 understood sir..second build have the same problem with first,okey i'll test the third ^_^
@sum2012 commented on GitHub (Jul 9, 2015):
@shinemu ok.How about this build ?
https://drive.google.com/file/d/0B3OaSdeV0L8kTnFkd2dhSjd6blU/view?usp=sharing
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 the third have the same issue too sir,btw is there any connection with the gpu-blend Use framebuffer fetch more and on more devices that have been applied on ver 1.0.1-158-g33b291a sir? I'll test the fourth right away sir
@shinemu commented on GitHub (Jul 9, 2015):
The fourth working good sir! ^_^ even the sound are clearer than before
@shinemu commented on GitHub (Jul 9, 2015):
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 commented on GitHub (Jul 9, 2015):
I have some confuse.Please confirm again.Thanks.
good:
https://drive.google.com/file/d/0B3OaSdeV0L8kTnFkd2dhSjd6blU/view?usp=sharing
bad:
https://drive.google.com/file/d/0B3OaSdeV0L8kTmxWRVQwX1pPWk0/view?usp=sharing
@shinemu commented on GitHub (Jul 9, 2015):
@sum2012 confirm,the good one is your fourth upload ( ver 1.0.1-118 on your good upload https://drive.google.com/file/d/0B3OaSdeV0L8kTnFkd2dhSjd6blU/view?usp=sharing ) and the one that are have the issue or bad ( ver 1.0.1-119 on your bad upload ) btw can we have this fix on next dev update?
@unknownbrackets commented on GitHub (Jul 10, 2015):
If #7567 is causing problems, it probably means EXT_shader_framebuffer_fetch is not working right on that device or driver, possibly only with certain blending modes. We can blacklist older devices or something, but unfortunately this may break other effects that started working correctly due to that change on the same devices.
-[Unknown]
@shinemu commented on GitHub (Jul 10, 2015):
@Unknownbrackets So that's why the same issue happen on ios device too..and that means no fix for the next dev updates sir unknown?
@sum2012 commented on GitHub (Jul 10, 2015):
@unknownbrackets git bisect result
this commit
github.com/unknownbrackets/ppsspp@2344760018@hrydgard commented on GitHub (Jul 10, 2015):
Seems clear we need to disable it on some devices. The question is which ones..
@sum2012 commented on GitHub (Jul 10, 2015):
EXT_shader_framebuffer_fetch is not PowerVR devices only ?
@hrydgard commented on GitHub (Jul 10, 2015):
It's also available on Tegra 3 and Tegra 4, but not on X1/K1.
@unknownbrackets commented on GitHub (Jul 10, 2015):
And also some newer Mali devices I believe. And there's no reason to expect it doesn't work properly on PowerVR 6.
But I also just want to say again that people should not be surprised if disabling EXT_shader_framebuffer_fetch on PowerVR 5 devices also breaks a bunch of effects in some games. I'm pretty sure I read reports of that change improving things. There's probably some case the driver handles wrong or where overlap doesn't work the way we want.
-[Unknown]
@sum2012 commented on GitHub (Jul 10, 2015):
@shinemu I have tried disable EXT_shader_framebuffer_fetch.
Does this build ok ? (v1.01-733m)
https://drive.google.com/file/d/0B3OaSdeV0L8kcTYwV0J5ZS1qSmc/view?usp=sharing
@shinemu commented on GitHub (Jul 10, 2015):
@sum2012 still have the issue sir,it even show pink screen after opening..same with bad build
@shinemu commented on GitHub (Jul 10, 2015):
@sum2012 commented on GitHub (Jul 10, 2015):
@shinemu Sorry,I forget another change.
Can you try again ? Thanks.(v1.0.1-733-m2)
https://drive.google.com/file/d/0B3OaSdeV0L8kZEtBV3JheDRxcEk/view?usp=sharing
@shinemu commented on GitHub (Jul 11, 2015):
@sum2012 reporting,sorry sir but the problem still like v1.0.1-733m
@sum2012 commented on GitHub (Jul 11, 2015):
@shinemu I try to revert all code from #7567
Can you try again ? Thanks. (ppssppv1.0.1-733m3)
https://drive.google.com/file/d/0B3OaSdeV0L8kMkdHdXpoZkVQYmM/view?usp=sharing
@shinemu commented on GitHub (Jul 12, 2015):
@sum2012 reporting...it works sir! Good build ^_^ thank you sir
@sum2012 commented on GitHub (Jul 12, 2015):
@shinemu I try to just add back detection of EXT_shader_framebuffer_fetch
No other function change.
Does this still work ? Thanks. (ppssppv1.0.1-734-m1)
https://drive.google.com/file/d/0B3OaSdeV0L8kRVhSUWJJSWpMeUU/view?usp=sharing
@shinemu commented on GitHub (Jul 12, 2015):
@sum2012 testing queen blade spectral chaos also whole bunch of heavy render games and it works without any problem sir,good build sir! ^_^
@sum2012 commented on GitHub (Jul 12, 2015):
@shinemu I try to enable back code in the first change
Does this still work ? Thanks.(ppssppv1.0.1-734-m2)
https://drive.google.com/file/d/0B3OaSdeV0L8kbFM2dFRRWnMxNmc/view?usp=sharing
@shinemu commented on GitHub (Jul 12, 2015):
@sum2012 I'm sorry sir but it's not working also the sound a bit unclear
@sum2012 commented on GitHub (Jul 12, 2015):
@shinemu I try to enable back code in the middle change
Does this work ? Thanks.(ppssppv1.0.1-734-m3)
https://drive.google.com/file/d/0B3OaSdeV0L8kVUp1OHpDNFNtX0U/view?usp=sharing
@shinemu commented on GitHub (Jul 13, 2015):
@sum2012 it works sir ^_^
@sum2012 commented on GitHub (Jul 13, 2015):
Hm.Now the working code change is
Edit:correct:
github.com/sum2012/ppsspp@c6c247a237@shinemu commented on GitHub (Jul 13, 2015):
@sum2012 thank you sir for bringing the fix so we can follow the update without worries but if anything happen in the future may I still allowed to report? Also I would like to thanks to sir hrydgard for his awesome ppsspp emu and sir unknown too ^_^ cheerrss !
@sum2012 commented on GitHub (Jul 13, 2015):
@shinemu you are lucky to report the problem in time before the next major version
@sum2012 commented on GitHub (Jul 13, 2015):
@shinemu What is the game name in
https://cloud.githubusercontent.com/assets/11956166/8630556/76657550-2791-11e5-8303-81c89bef837b.jpg ?
@shinemu commented on GitHub (Jul 13, 2015):
@sum2012 actually I already report the issue on that game on iphone from cydia about update ver 1.0.1-411 if I not mistaken but no luck T_T and I change to android hoping that it will be reply and here it is...the game title is Queen Blade Spectral Chaos
@sum2012 commented on GitHub (Jul 13, 2015):
I take a search,I think the game name should be
Queen's Blade - Spiral Chaos but there is no that picture in the beginning.
Do the gameID is ULJS00190 ?
@shinemu commented on GitHub (Jul 14, 2015):
Sorry my mistake,the title is queen gate spiral chaos ULJS00377
@asbel123 commented on GitHub (Jul 14, 2015):
i got same problem differnce speed on gpu is mali and anderno look at tales of enternia on samsung galaxy s4 19005 is it too slow to play that game i tried huawei ascend g730 its fullspeed on that game with 2x uspscale maybe mail 400 good for tales of enternia. snapdragon has problems even new version of ppsspp. i tried huawei ascend g730 for tales of enternia u get black screen just world map u can see everything just only background is black its a problem is opengl 2.0 i tried new mail samsung galaxy s6 edge no black screen on my world map its a problem is opengl 2.0 not 3.0.
@sum2012 commented on GitHub (Jul 14, 2015):
@shinemu No problem on my phone
PowerVR Rougue G6430
@sum2012 commented on GitHub (Jul 14, 2015):
@shinemu Also no problem on my mother phone
Adrene (TM) 305
@shinemu commented on GitHub (Jul 14, 2015):
@sum2012 same here sir ^_^ powerVR g6430
@shinemu commented on GitHub (Jul 14, 2015):
@sum2012 i am sorry sir but why the fix haven't sign or applied on new update ver 1.0.1-757 if it concentrate on something more important and i will gladly wait
@unknownbrackets commented on GitHub (Jul 15, 2015):
Might be an issue in a specific driver version then? Does it show any useful version numbers in the GL info?
-[Unknown]
@hrydgard commented on GitHub (Jul 15, 2015):
If even it's the same GPU but differently broken on different driver versions, getting it right will not be possible without buying one of every phone in the universe... Quite hopeless.
I would like to know what games actually got fixed by this feature (that we are disabling here to get it to work on shinemu's phone) though, given the problems we've seen with it so far the benefits better be worth all the trouble....
@shinemu commented on GitHub (Aug 28, 2015):
@sum2012 sir sum can you fix playing queen gate spiral chaos on latest
ppsspp version too? It was faster enough with just 1 frameskip on auto,i
use to set in 3 before...many thanks sir ^_^
On Jul 9, 2015 5:02 AM, "sum" notifications@github.com wrote:
@sum2012 commented on GitHub (Aug 28, 2015):
@shinemu
https://drive.google.com/file/d/0B3OaSdeV0L8kNktZNHdaRk1XZTA/view?usp=sharing
The hack version based on v1.0.1-830-gc671b07
@shinemu commented on GitHub (Aug 29, 2015):
@sum2012 good build as always sir ^_^ btw why can't i see your build on
orphis or why sir hrydgard or unknownbracket not implement the fix base on
yours ? Forgive me but i just want to participate too even just a tester,
i'm not touching anymore of computer language since 1990 ( turbo
pascal,cobol,dos era ) Lol...thanks sir sum and please do a fix too when
update reaching final stage,cheerss
On Aug 29, 2015 4:48 AM, "sum" notifications@github.com wrote:
@sum2012 commented on GitHub (Sep 3, 2015):
I find my code also fix graphic of "Tactics Ogre: Let Us Cling Together " of my phone
#7819
@shinemu commented on GitHub (Sep 3, 2015):
@sum2012 is it the same build you gave me sir?
On Sep 3, 2015 4:35 PM, "sum" notifications@github.com wrote:
@sum2012 commented on GitHub (Sep 3, 2015):
@shinemu no, update a bit ( based on v1.0.1-865-g825662d)
@shinemu commented on GitHub (Sep 3, 2015):
@sum2012 i see...can i try too?
@sum2012 commented on GitHub (Sep 3, 2015):
@shinemu Here
https://drive.google.com/file/d/0B3OaSdeV0L8kdjBDUlZuZ0tKMkU/view?usp=sharing
@shinemu commented on GitHub (Sep 3, 2015):
@sum2012 thanks you sir ^_^
On Sep 3, 2015 5:44 PM, "sum" notifications@github.com wrote:
@sum2012 commented on GitHub (Sep 24, 2015):
@shinemu you might be happy as my code has merged
@shinemu commented on GitHub (Sep 25, 2015):
@sum2012 Awesome sir,it works! Thanks again sir sum and sir hrydgard ^_^ me
and other users owe you guys,god bless you sir
On Sep 24, 2015 7:33 PM, "sum" notifications@github.com wrote:
@shinemu commented on GitHub (Oct 1, 2015):
@sum2012 reporting sir...ppsspp forced close and back to home screen while
loading naruto 3 save file,it only work from new game and i try both
install data and not but still have same result when continuing,the same
issue with srw Z 2 the app just forced close when i try opening game image..
On Sep 25, 2015 10:57 PM, "shinryu fox" shinryu.fox26@gmail.com wrote:
@sum2012 commented on GitHub (Oct 1, 2015):
@shinemu
For naruto 3
please zip the save folder,then upload to
http://drive.google.com/drive/
@shinemu commented on GitHub (Oct 1, 2015):
It works with 1.0.1-865
On Oct 1, 2015 4:57 PM, "shinryu fox" shinryu.fox26@gmail.com wrote:
@sum2012 commented on GitHub (Oct 1, 2015):
@shinemu What game do you talking "It works with 1.0.1-865" ?
Also ,what is last work version in http://buildbot.orphis.net/ppsspp/index.php?m=fulllist
@shinemu commented on GitHub (Oct 1, 2015):
Slow connection here sir,the save i use was a new save sir nothing unusual
i think
On Oct 1, 2015 5:18 PM, "shinryu fox" shinryu.fox26@gmail.com wrote:
@shinemu commented on GitHub (Oct 1, 2015):
Both game sir naruto heroes 3 and super robot wars z 2....ok sir i'll try
to found which the last update works ^_^
On Oct 1, 2015 5:47 PM, "shinryu fox" shinryu.fox26@gmail.com wrote:
@shinemu commented on GitHub (Oct 1, 2015):
@sum2012 i just try till 1.0.1 865 from orphis but the result is same also
cause com.ppsspp stop working so i install your 1.0.1 865m and then
overwrite with new install from latest update and it works..i don't know
how it can be but now works fine for naruto heroes 3 ^_^'
On Oct 1, 2015 5:52 PM, "shinryu fox" shinryu.fox26@gmail.com wrote:
@sum2012 commented on GitHub (Oct 1, 2015):
@shinemu I want to clearify.
Do newest version eg: v1.0.1-2790-g48db42b not work ?
@shinemu commented on GitHub (Oct 1, 2015):
@sum2012 update ver 1.0.2790 working sir,i test without overwrite and doing
multiple fresh install..but other except 1.0.1 -865m not working
On Oct 1, 2015 6:47 PM, "sum" notifications@github.com wrote:
@sum2012 commented on GitHub (Oct 1, 2015):
@shinemu As I said before https://github.com/hrydgard/ppsspp/issues/1313#issuecomment-142915241
My code has merged in v1.0.1-2763-g5d7c4dd.
So that I think that no more issue ?
@shinemu commented on GitHub (Oct 1, 2015):
@sum2012 no sir no issue playing queen gate and many other games only issue
on naruto 3 and srw z 2 but it already solved now with latest update ^_^
thanks again sir
On Oct 1, 2015 8:20 PM, "sum" notifications@github.com wrote:
@saveoil1982 commented on GitHub (Jan 25, 2016):
the powerVR graphic problem on SRW Z2 is better! (but not 100% solved) since version v1.1.1-863-g553e3f0 (or maybe this week, I check newest apk every week, not every day) . tested on my zenfone 6 (PowerVR 544MP2), all options are default.
@zminhquanz commented on GitHub (Jun 7, 2016):
PowerVR issue aspect like Dissidia 012 Final Fantasy
@unknownbrackets commented on GitHub (Aug 25, 2018):
This is a pretty long issue - and I suspect some of the issues have been improved over time. Is anyone able to summarize the major issues remaining with these GPUs?
-[Unknown]
@hrydgard commented on GitHub (Aug 25, 2018):
Most likely the GPUs are getting rarer and rarer...
@unknownbrackets commented on GitHub (Dec 21, 2020):
There haven't been any updated reports here in 2 years, so I'm closing this issue. There have been a lot of changes in the way graphics are handled and things may have improved. But also, these devices are getting rarer indeed.
-[Unknown]