From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 30286] New: Rendering Artefacts for "EffectFrames" with KWin trunk
Date: Mon, 20 Sep 2010 09:44:45 -0700 (PDT) [thread overview]
Message-ID: <bug-30286-8800@http.bugs.freedesktop.org/> (raw)
https://bugs.freedesktop.org/show_bug.cgi?id=30286
Summary: Rendering Artefacts for "EffectFrames" with KWin trunk
Product: Mesa
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/nouveau
AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
ReportedBy: kde-DczxDNHMV8knNWVl+fqZflaTQe2KTcn/@public.gmane.org
Created an attachment (id=38827)
--> (https://bugs.freedesktop.org/attachment.cgi?id=38827)
PresentWindows effect showing artefacts.
I noticed that KWin's EffectFrames are rendered incorrectly with nouveau and
current kwin trunk (please see attached screenshot). There has been a change
between 4.5 and current trunk, so I cannot say if the same problem exsists with
4.5. as well.
The EffectFrame is a GLTexture generated with TextureFromPixmap from a Qt
QPixmap. In the screenshot we see that the icons are rendered correctly (also
using QPixmap -> TFP -> GLTexture conversion) while the other textures are
rendered incorrectly. This includes the pure black background texture, the
textures generated from Plasma's FrameSvg and text textures.
The relevant code is in kwin trunk scene_opengl.cpp [1]
SceneOpenGL::EffectFrame::render() at line 2002. An example for creating a
texture can be found in SceneOpenGL::EffectFrame::updateTextTexture() at line
2264. If you want to have any other information to the code, do not hesistate
to ask, as I recently refactored that code.
I am using nouveau, dri and kernel from debian experimental. glxinfo says it's
Mesa 7.8.2
[1]
http://websvn.kde.org/trunk/KDE/kdebase/workspace/kwin/scene_opengl.cpp?view=markup
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next reply other threads:[~2010-09-20 16:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-20 16:44 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ [this message]
[not found] ` <bug-30286-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2010-10-10 11:29 ` [Bug 30286] Rendering Artefacts for "EffectFrames" with KWin trunk bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2013-03-15 7:59 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2013-03-15 8:22 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
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