I have tested with nouveau (on a GeForce GT210 (NVA8)) and everything is fine with it. No glitches while retracing. Here is an example trace if you want to compare : https://drive.google.com/file/d/0B7D2Y0QXFND2aHp0M0gzVE81dEk/view?usp=sharing (149 MB) md5sum 0988b7a222a923520180783e28be267a
2014-11-09 23:55 GMT+01:00 Benjamin Bellec <b.bel...@gmail.com>: > I tried to follow the procedure in the link you pointed, but I couldn't > make it works. So I just disabled the Steam Overlay as said, and continued > to catch the trace with my modified "Sam3" file, which should works after > all. > > Just disabling the overlay doesn't solve the glitches. > So I tested your 3 patches, unfortunately none of them has improved the > situation : as usual, sometimes there is no glitches at all but most of > times glitches appears while retracing. > > If you need them, here are some of the traces : > - trace with zlib patch, the glitches are a bit different than usual : > https://drive.google.com/file/d/0B7D2Y0QXFND2ZXp5SVR0QU1GV2M/view?usp=sharing > (174 MB) md5sum 1b109d36e7760968ad8ce04bc4d22fe9 > - trace with glfinish patch : > https://drive.google.com/file/d/0B7D2Y0QXFND2M3N0VDY4QUlHNE0/view?usp=sharing > (158 MB) md5sum 8d4b9a7de7f1ce4fe02385259a952b25 > - again a trace with glfinish patch, glitches are different from the first > one : > https://drive.google.com/file/d/0B7D2Y0QXFND2ZUNCTVNqM19BbUk/view?usp=sharing > (155 MB) md5sum 7bda946ce1cd21f8138e0724b7502219 > > Tomorrow, I will test with a GeForce GT210 (nouveau). > > 2014-11-07 13:53 GMT+01:00 Benjamin Bellec <b.bel...@gmail.com>: > >> OK, I will redo my trace with this new procedure. It seems cleaner and >> safer than mine. >> But I will not be able to do this weekend. >> >> 2014-11-07 9:57 GMT+01:00 José Fonseca <jose.r.fons...@gmail.com>: >> >>> Hi Benjamin, >>> >>> > ERROR: ld.so: object >>> '/home/benjamin/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from >>> LD_PRELOAD cannot be preloaded: ignored. >>> >>> It might be a good idea to disable Steam's game overlay, just to be sure >>> it's not interfering with apitrace, as described in >>> https://github.com/apitrace/apitrace/wiki/Steam#linux , the " >>> Otherwise, I think what you're doing should be fine. >>> >>> > apitrace: warning: _gl_param_size: unknown GLenum 0x87FC >>> >>> For these warnings I'll push a fix to apitrace shortly, but they are >>> harmless -- it won't affect the trace at all. >>> >>> Jose >>> >>> >>> On Thu, Nov 6, 2014 at 10:36 PM, Benjamin Bellec <b.bel...@gmail.com> >>> wrote: >>> >>>> Hi José, >>>> >>>> I have done quite intense testing of this evening, but I finally saw >>>> something quite odd. So before sharing anything I need to be sure that I'm >>>> not capturing the trace wrongly. >>>> >>>> First of all, Serious Sam 3 is a Steam game. It's a 32-bit game. I'm on >>>> a 64-bit machine. >>>> >>>> Here is how I build apitrace : >>>> $ git clone https://github.com/apitrace/apitrace.git >>>> $ cd apitrace >>>> $ cmake -H. -Bbuild -DCMAKE_BUILD_TYPE=RelWithDebInfo -DENABLE_GUI=TRUE >>>> $ make -C build >>>> $ cmake \ >>>> -DCMAKE_C_FLAGS=-m32 \ >>>> -DCMAKE_CXX_FLAGS=-m32 \ >>>> -DCMAKE_EXE_LINKER_FLAGS=-m32 \ >>>> -DCMAKE_SYSTEM_LIBRARY_PATH=/usr/lib \ >>>> -DENABLE_GUI=FALSE \ >>>> -H. -Bbuild32 >>>> $ make -C build32 glxtrace >>>> >>>> So I should now have a working apitrace in /home/benjamin/apitrace >>>> >>>> I launch steam : >>>> $ steam >>>> Running Steam on fedora 19 64-bit >>>> STEAM_RUNTIME is enabled automatically >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> >>>> (steam:2986): Gtk-WARNING **: Impossible de trouver le moteur de thème >>>> dans module_path : « adwaita » >>>> >>>> (steam:2986): Gtk-WARNING **: Impossible de trouver le moteur de thème >>>> dans module_path : « adwaita » >>>> /usr/share/themes/Adwaita/gtk-2.0/gtkrc:1137: error: unexpected >>>> identifier `direction', expected character `}' >>>> Gtk-Message: Failed to load module "pk-gtk-module" >>>> >>>> (steamwebhelper:2990): Gtk-WARNING **: Impossible de trouver le moteur >>>> de thème dans module_path : « adwaita » >>>> >>>> (steamwebhelper:2990): Gtk-WARNING **: Impossible de trouver le moteur >>>> de thème dans module_path : « adwaita » >>>> /usr/share/themes/Adwaita/gtk-2.0/gtkrc:1137: error: unexpected >>>> identifier `direction', expected character `}' >>>> Gtk-Message: Failed to load module "pk-gtk-module" >>>> Installing breakpad exception handler for >>>> appid(steamwebhelper)/version(20141020140456) >>>> Installing breakpad exception handler for >>>> appid(steamwebhelper)/version(1413813896) >>>> [1106/231809:ERROR:nss_util.cc(1018)] Failed to load NSS libraries. >>>> Installing breakpad exception handler for >>>> appid(steamwebhelper)/version(20141020140456) >>>> Installing breakpad exception handler for >>>> appid(steamwebhelper)/version(1413813896) >>>> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line >>>> 70: non-double matrix element >>>> Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line >>>> 70: non-double matrix element >>>> Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", >>>> line 78: saw unknown, expected number >>>> Fontconfig warning: "/etc/fonts/conf.d/65-0-lohit-bengali.conf", line >>>> 32: unknown element "langset" >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Generating new string page texture 2: 48x256, total string texture >>>> memory is 49,15 KB >>>> Generating new string page texture 3: 256x256, total string texture >>>> memory is 311,30 KB >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Adding licenses for the following package(s): 0, 11, 34, 79, 516, 984, >>>> 2481, 12328, 14840, 16549, 17838, 20883, 21089, 25544, 27644, 29136, 31974, >>>> 31975, 49307, 53394, 53820 >>>> roaming config store loaded successfully - 1484 bytes. >>>> migrating temporary roaming config store >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> ExecCommandLine: ""/home/benjamin/.local/share/Steam/ubuntu12_32/steam" >>>> " >>>> System startup time: 3,47 seconds >>>> [1106/231812:ERROR:renderer_main.cc(227)] Running without renderer >>>> sandbox >>>> Generating new string page texture 70: 1024x256, total string texture >>>> memory is 1,36 MB >>>> Generating new string page texture 71: 256x256, total string texture >>>> memory is 262,14 KB >>>> Generating new string page texture 72: 128x256, total string texture >>>> memory is 1,49 MB >>>> Running Steam on fedora 19 64-bit >>>> STEAM_RUNTIME has been set by the user to: >>>> /home/benjamin/.local/share/Steam/ubuntu12_32/steam-runtime >>>> Generating new string page texture 73: 32x256, total string texture >>>> memory is 1,52 MB >>>> ExecCommandLine: "/home/benjamin/.steam/root/ubuntu12_32/steam >>>> steam://open/driverhelperready" >>>> ExecSteamURL: "steam://open/driverhelperready" >>>> Generating new string page texture 78: 64x256, total string texture >>>> memory is 1,59 MB >>>> Generating new string page texture 79: 256x256, total string texture >>>> memory is 1,85 MB >>>> Generating new string page texture 80: 128x256, total string texture >>>> memory is 1,98 MB >>>> Generating new string page texture 81: 384x256, total string texture >>>> memory is 2,38 MB >>>> Installing breakpad exception handler for >>>> appid(steam)/version(1413917607) >>>> Generating new string page texture 91: 512x256, total string texture >>>> memory is 2,90 MB >>>> >>>> >>>> And in order to catch a trace of the game, I have modified the SS3 >>>> executable. The executable is located in >>>> "/home/benjamin/.local/share/Steam/SteamApps/common/Serious Sam 3/Bin" and >>>> is named "Sam3" >>>> >>>> $ file "/home/benjamin/.local/share/Steam/SteamApps/common/Serious Sam >>>> 3/Bin/Sam3" gives : >>>> ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically >>>> linked (uses shared libs), for GNU/Linux 2.6.15, >>>> BuildID[sha1]=0xaedfd266c84ecec32e8ff6e69f3f1eb8a5f78d46, stripped >>>> >>>> So I moved the genuine exec : >>>> $ mv Sam3 Sam3.old >>>> >>>> And created a new "Sam3" shell script which is just : >>>> #!/bin/sh >>>> TRACE_FILE=/home/benjamin/testmesa/ss3_tmp.trace >>>> LD_PRELOAD=/home/benjamin/apitrace/build32/wrappers/glxtrace.so >>>> /home/benjamin/apitrace/build/apitrace trace --api gl ./Sam3.old >>>> >>>> So now I just launch SS3 within Steam and here is the log (that I >>>> didn't saw before) : >>>> Game update: AppID 41070 "Serious Sam 3: BFE", ProcID 3108, IP >>>> 0.0.0.0:0 >>>> ERROR: ld.so: object >>>> '/home/benjamin/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from >>>> LD_PRELOAD cannot be preloaded: ignored. >>>> ERROR: ld.so: object >>>> '/home/benjamin/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from >>>> LD_PRELOAD cannot be preloaded: ignored. >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build/wrappers/glxtrace.so' from LD_PRELOAD cannot >>>> be preloaded: ignored. >>>> apitrace: loaded into >>>> /home/benjamin/.local/share/Steam/SteamApps/common/Serious Sam >>>> 3/Bin/Sam3.old >>>> >>>> (steam:2986): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child >>>> that doesn't believe we're it's parent. >>>> [snip] same message several times [/snip] >>>> (steam:2986): LIBDBUSMENU-GLIB-WARNING **: Trying to remove a child >>>> that doesn't believe we're it's parent. >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/bash >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/getopt >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/basename >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/sed >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/sed >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/sed >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/sed >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/sed >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/tr >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/bash >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/cat >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/cat >>>> cat: /etc/debian_version: Aucun fichier ou dossier de ce type >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/bash >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/grep >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> apitrace: loaded into /usr/bin/cat >>>> Setting breakpad minidump AppID = 41070 >>>> Steam_SetMinidumpSteamID: Caching Steam ID: 76561197975475067 [API >>>> loaded no] >>>> WRN: CPU Power saving is enabled and performance governor is not used. >>>> INF: GameEnv API: Steam >>>> INF: Encoded user ID = 28d03bc7:6f628ecf >>>> apitrace: redirecting dlopen("libGL.so.1", 0x101) >>>> apitrace: tracing to /home/benjamin/testmesa/ss3_tmp.trace >>>> apitrace: redirecting dlopen("libGL.so.1", 0x102) >>>> INF: >>>> INF: * Desktop settings... >>>> INF: Color depth: 32-bit >>>> INF: Desktop resolution: 1680 x 1050 >>>> INF: Fullscreen on primary display >>>> apitrace: redirecting dlopen("libGL.so.1", 0x101) >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> lspci: >>>> /home/benjamin/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/libpci.so.3: >>>> version `LIBPCI_3.2' not found (required by lspci) >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> lspci: >>>> /home/benjamin/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/libpci.so.3: >>>> version `LIBPCI_3.2' not found (required by lspci) >>>> ERROR: ld.so: object >>>> '/home/benjamin/apitrace/build32/wrappers/glxtrace.so' from LD_PRELOAD >>>> cannot be preloaded: ignored. >>>> lspci: >>>> /home/benjamin/.local/share/Steam/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu/libpci.so.3: >>>> version `LIBPCI_3.2' not found (required by lspci) >>>> WRN: lspci: GPU vendor and/or device ID not detected! >>>> apitrace: warning: _gl_param_size: unknown GLenum 0x87FC >>>> apitrace: warning: _gl_param_size: unknown GLenum 0x87FC >>>> WRN: [OpenGL] Unable to determine VRAM size... assuming 512 MB. >>>> apitrace: warning: _gl_param_size: unknown GLenum 0x87FC >>>> apitrace: warning: _gl_param_size: unknown GLenum 0x87FC >>>> WRN: [OpenGL] "GL_ARB_get_program_binary" extension is present but not >>>> used because no binary formats are exposed. >>>> INF: >>>> INF: Gfx API: OpenGL >>>> INF: Resolution: 1680 x 1050 >>>> INF: Vendor: unknown (0x0000) >>>> INF: Driver: X.Org (0x0000) >>>> INF: Renderer: Gallium 0.4 on AMD CYPRESS >>>> INF: Version: 3.0 Mesa 10.3.2 >>>> INF: Video memory size: 512 MB >>>> INF: Available for textures: 512 MB >>>> INF: Active GPU(s): 1 >>>> INF: Unable to check for correct version of display driver! >>>> INF: >>>> INF: Sfx API: OpenAL >>>> INF: Device: PulseAudio Default >>>> INF: Mixer frequency: 44100 Hz >>>> INF: Mixer voices: 64 >>>> INF: Max sound sources: 15 >>>> INF: Max total volume: 3 >>>> INF: Speaker config: (unknown) >>>> INF: Environment FX: not supported >>>> INF: >>>> INF: Using cheats will invalidate your score for this level and >>>> achievements won't be awarded for the remainder of the game. >>>> INF: AutoDetect: Hardware values unchanged, nothing to do. >>>> INF: Started simulation on 'Content/SeriousSam3/Levels/Menu/Intro.wld' >>>> in 0.54 seconds. >>>> INF: Started simulation on >>>> 'Content/SeriousSam3/Levels/Menu/MenuLevel.wld' in 0.26 seconds. >>>> INF: Started simulation on >>>> 'Content/SeriousSam3/Levels/Z5_Other/SV_Canyon.wld' in 5.47 seconds. >>>> >>>> >>>> I suspect something is wrong in the manner I'm capturing the trace. >>>> >>>> >>>> 2014-11-05 23:19 GMT+01:00 José Fonseca <jose.r.fons...@gmail.com>: >>>> >>>>> >>>>> >>>>> On Wed, Nov 5, 2014 at 6:22 PM, Benjamin Bellec <b.bel...@gmail.com> >>>>> wrote: >>>>> >>>>>> Yes I confirm that the weapons are *always* correctly rendered while >>>>>> tracing. The corruption only appears in the apitrace. >>>>>> >>>>> >>>>> Wow. This is one of the weirdest things i've seen. >>>>> >>>>> >>>>>> Anyway thanks for this explanation. >>>>>> So, do you think a hardware (physical) problem can be the origin of >>>>>> this ? >>>>>> Or more probably a software one ? >>>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Please do two more experiments: >>>>> >>>>> 1. Undo any previous changes to apitrace tree, apply the attached >>>>> patch zlib.patch and see if it helps. >>>>> >>>>> This will force apitrace to compress with zlib instead of snappy, >>>>> so eliminate the chance that the bug is not on glMapBufferRange but inside >>>>> snappy somehow. >>>>> >>>>> 2. Ditto with pin-thread-on-cpu.patch. >>>>> >>>>> If this is a problem due to stale CPU cache this might help. >>>>> >>>>> 3. Ditto with glfinish.patch >>>>> >>>>> If GPU is the one scribbling over then this call should make the >>>>> issue either never happen or happen all the time. >>>>> >>>>> 4. try tracing the replay of the good ss3_correct_without_patch.trace >>>>> like >>>>> >>>>> ./apitrace trace ./glretrace -b ss3_correct_without_patch.trace >>>>> >>>>> a few times, and check whether the replays are as good as >>>>> ss3_correct_without_patch.trace, or if they regress some times, like the >>>>> real app does. This might help determine whether the ss3 application is >>>>> doing something special, or not. >>>>> >>>>> Because I was surprised, indeed, I have another problematic bug that >>>>>> occurs, aparently with glMapBufferRange() too, see BUGZILLA #77596 >>>>>> <https://bugs.freedesktop.org/show_bug.cgi?id=77596>particularly my >>>>>> #7 comments. Maybe this is just coincidence. I'm not an OpenGL developper >>>>>> so I don't know where the glMapBufferRange's "lenght" parameter come >>>>>> from ? >>>>>> (from the game or from the OpenGL driver itself). >>>>>> >>>>> >>>>> It's hard to say whether it's related. glMapBufferRange's length >>>>> parameter is specified by the app, but the app could be computing that >>>>> value based on glGet* queries done to the OpenGL driver, and some times >>>>> there are bugs. >>>>> >>>>> >>>>>> >>>>>> To sum up, what do you think I should do now ? Fill a bug against the >>>>>> OpenGL driver ? >>>>>> >>>>>> >>>>> Let's see if the above experiments help narrow this further. >>>>> >>>>> >>>>> I really hate when apitrace is not able to capture something properly >>>>> -- it's like most basic of basic functionality -- everything else (replay, >>>>> UI, state dumping) can be fixed improved after the fact, but if the trace >>>>> itself can't be trusted then that's showstopper. So fingers crossed.. >>>>> >>>>> >>>>> Jose >>>>> >>>>> >>>> >>>> >>> >> >
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