[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 Marek Olšák changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #26 from EoD --- (In reply to Marek Olšák from comment #25) > (In reply to Christoph Haag from comment #24) > > Well, not sure what exactly we are talking about. The quick flickering that > > made it completely unplaybable is gone.

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #25 from Marek Olšák --- (In reply to Christoph Haag from comment #24) > Well, not sure what exactly we are talking about. The quick flickering that > made it completely unplaybable is gone. > > I'm not sure how the shadows are sup

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #24 from Christoph Haag --- Well, not sure what exactly we are talking about. The quick flickering that made it completely unplaybable is gone. I'm not sure how the shadows are supposed to look like. I tried https://cgit.freedesktop.

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #23 from Nicolai H�hnle --- Created attachment 121861 --> https://bugs.freedesktop.org/attachment.cgi?id=121861&action=edit WholeQuadMode pass patch for LLVM Good to see CroTeam being responsive on this. Does the attached patch

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #22 from EoD --- (In reply to Karol Herbst from comment #21) > it still happens for me though on high, high, ultra settings. Didn't check > other settings. I can confirm this. There is still a little flickering shadows on my Tonga wi

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #21 from Karol Herbst --- it still happens for me though on high, high, ultra settings. Didn't check other settings. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- A

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #20 from Christoph Haag --- Doesn't happen in public_beta anymore. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #19 from Kai --- (In reply to Kai from comment #18) > Looks like there might be an update for The Talos Principle which will > address this. Short update: Dean Sekulic of Croteam wrote me, that the fix on their end has been implement

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #18 from Kai --- (In reply to Marek Olšák from comment #10) > (In reply to Michel Dänzer from comment #9) > > Note that AFAIK using things like derivatives in non-uniform control flow > > isn't supported by GLSL. What's the origina

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #17 from Roland Scheidegger --- (In reply to Nicolai H�hnle from comment #16) > > One annoying aspect of this language is that one can reasonably read it as > non-uniformity only being relevant for non-helper fragments. If a pixel

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #16 from Nicolai H�hnle --- Interesting information about D3D10, thank you. The GLSL 4.50 spec says: "The discard keyword is only allowed within fragment shaders. It can be used within a fragment shader to abandon the operation on

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #15 from Nicolai H�hnle --- *** Bug 93591 has been marked as a duplicate of this bug. *** -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scr

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #14 from Roland Scheidegger --- (In reply to Marek Olšák from comment #13) > (In reply to Roland Scheidegger from comment #12) > > Due to d3d10 being different there, I wouldn't be surprised if other apps > > make the same mistake.

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #13 from Marek Olšák --- (In reply to Roland Scheidegger from comment #12) > Due to d3d10 being different there, I wouldn't be surprised if other apps > make the same mistake. For performance, it's better to execute KILL as soon as

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #12 from Roland Scheidegger --- (In reply to Marek Olšák from comment #10) > The GLSL shader is using discard followed by fwidth. This is undefined > behavior. > > Therefore, it's an application bug. I wasn't aware of this differe

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #11 from Marek Olšák --- Also, I think we shouldn't do anything in the shader compiler. A simple workaround in Mesa should be enough. -- You are receiving this mail because: You are the assignee for the bug. -- next pa

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #10 from Marek Olšák --- (In reply to Michel Dänzer from comment #9) > Note that AFAIK using things like derivatives in non-uniform control flow > isn't supported by GLSL. What's the original GLSL shader? True. The GLSL shader is

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #9 from Michel Dänzer --- (In reply to Marek Olšák from comment #8) > If KILL_IF masks out some but not all invocations in a 2x2 quad, the > subsequent DDX and DDY opcodes can result in undefined values, resulting in > garbage on t

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #8 from Marek Olšák --- I've captured one of the problematic draw calls, which used this fragment shader: FRAG DCL IN[0], GENERIC[9], PERSPECTIVE DCL OUT[0], COLOR DCL SAMP[0] DCL SVIEW[0], 2D, FLOAT DCL CONST[0..13] DCL CONST[15]

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #7 from EoD --- FTR the apitrace replays fine with r600 on my Barts. -- You are receiving this mail because: You are the assignee for the bug. -- next part -- An HTML attachment was scrubbed... URL:

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #6 from EoD --- (In reply to EoD from comment #5) > I made a new and smaller apitrace with every setting on LOWEST. The new > apitrace shows the difference between a scene with dynamic lightning (no > flickering) and the same scene wi

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #5 from EoD --- (In reply to Michel Dänzer from comment #1) > (In reply to Christoph Haag from comment #0) > > When replaying the trace on intel, the shadows don't seem to flicker. > > Not at all? I see pretty bad flickering on my V

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 EoD changed: What|Removed |Added CC||EoD at xmw.de --- Comment #4 from EoD --- I rende

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #3 from Ilia Mirkin --- FTR you may be interested in bug 90513 -- long story short, semi-similar (but based on the video, not identical) symptoms on nouveau/nvc0. -- You are receiving this mail because: You are the assignee for the

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #2 from Christoph Haag --- I'm not completely sure. The performance is very bad (at the same settings) and on intel there is another bug that makes the whole scene go dark at random perspectives. Here is a video how the game looks wit

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 --- Comment #1 from Michel Dänzer --- (In reply to Christoph Haag from comment #0) > When replaying the trace on intel, the shadows don't seem to flicker. Not at all? I see pretty bad flickering on my Verde, but while I can still see some on my

[Bug 93594] Flickering Shadows in The Talos Principle

https://bugs.freedesktop.org/show_bug.cgi?id=93594 Bug ID: 93594 Summary: Flickering Shadows in The Talos Principle Product: Mesa Version: git Hardware: Other OS: All Status: NEW Severity: normal