From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 111241] Shadertoy shader causing hang Date: Fri, 30 Aug 2019 11:56:23 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1157117111==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 08D226E2C4 for ; Fri, 30 Aug 2019 11:56:23 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1157117111== Content-Type: multipart/alternative; boundary="15671661820.2e68060.21576" Content-Transfer-Encoding: 7bit --15671661820.2e68060.21576 Date: Fri, 30 Aug 2019 11:56:22 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D111241 --- Comment #11 from Pierre-Eric Pelloux-Prayer --- (In reply to Dieter N=C3=BCtzel from comment #8) > BTW >=20 > Pierre-Eric can you look into this >=20 > Shadertoy shader corruption, too? > https://www.shadertoy.com/view/Xt3cWS > The "Buffer A" shader doesn't write fragColor when uv.y is < 0.1 or > 0.9. So the content is undefined and may be black on some platform or random. radeonsi is correct here, but we might want to replace undef values with 0x= 0 to get a default value instead of random. --=20 You are receiving this mail because: You are the assignee for the bug.= --15671661820.2e68060.21576 Date: Fri, 30 Aug 2019 11:56:22 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 11 on bug 11124= 1 from Pierre= -Eric Pelloux-Prayer 
(In reply to Dieter N=C3=BCtzel from comment #8)
> BTW
>=20
> Pierre-Eric can you look into this
>=20
> Shadertoy shader corruption, too?
> https://www.shaderto=
y.com/view/Xt3cWS
>

The "Buffer A" shader doesn't write fragColor when uv.y is < 0=
.1 or > 0.9.

So the content is undefined and may be black on some platform or random.

radeonsi is correct here, but we might want to replace undef values with 0x=
0 to
get a default value instead of random.

You are receiving this mail because:
  • You are the assignee for the bug.
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