From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 34778] New: [r600g, wine] FEAR / depth-stencil rendering
triggers SW fallback
Date: Sat, 26 Feb 2011 12:58:54 -0800 (PST)
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https://bugs.freedesktop.org/show_bug.cgi?id=34778
Summary: [r600g, wine] FEAR / depth-stencil rendering triggers
SW fallback
Product: DRI
Version: DRI CVS
Platform: x86-64 (AMD64)
URL: http://www.gamershell.com/download_10167.shtml
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: liquid.acid@gmx.net
System:
ATI Technologies Inc Radeon HD 4770 [RV740]
drm-radeon-testing kernel (git tip)
libdrm, mesa and xf86-video-intel git master
xorg-server-1.9.4
mesa git master = 99b9019716d0a5cfc7438677d2e11090d676c054
Hi there,
this is sort of copy&paste from bug #34674. The problem (fallback to software
rendering) described there also happens on r600g, and probably (judging from
the state tracker code) on all gallium drivers.
Anyway, from profiling I found out that pipe_put_tile_z and pipe_get_tile_z
consume like 90% of the CPU time. These two get called by
fallback_copy_texsubimage, which is called from st_copy_texsubimage.
Greets,
Tobias
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