From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 32687] New: XBMC software video renderer is faster than OpenGL video renderer
Date: Mon, 27 Dec 2010 12:22:21 -0800 (PST) [thread overview]
Message-ID: <bug-32687-502@http.bugs.freedesktop.org/> (raw)
https://bugs.freedesktop.org/show_bug.cgi?id=32687
Summary: XBMC software video renderer is faster than OpenGL
video renderer
Product: Mesa
Version: unspecified
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: nguyenthetoan@gmail.com
I have an integrated AMD760G graphic card. I use the latest r600g driver from
xorg-edgers package repository for ubuntu Lucid.
My most important OpenGL software is XBMC. It has three video renderers:
Software, ARB or GLSL. I notice (using the debug information of XBMC) that the
Software renderer is actually the fastest one, then ARB and finally GLSL. I
guess something is not well optimized in r600g with regard to video rendering.
This is especially true for 1080p video (sometime I get only 12-16fps using
OpenGL renderers while CPU usage is still only 50%. Software renderer could do
24fps with 100% CPU.).
FYI, I also have another similar desktop, but with ATI X1650 PRO card. On this
machine, using the r300g driver, the GLSL renderer is fastest (also similar to
ARB renderer) and is faster than the Software renderer. So, r300g is well
optimized with regard to video rendering.
I file this bug hoping the developers could spare sometime optimize r600g for
video rendering.
Thanks a lot
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next reply other threads:[~2010-12-27 20:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-27 20:22 bugzilla-daemon [this message]
2010-12-27 20:24 ` [Bug 32687] XBMC software video renderer is faster than OpenGL video renderer bugzilla-daemon
2013-11-14 2:59 ` bugzilla-daemon
2014-04-13 10:54 ` bugzilla-daemon
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