http://bugs.freedesktop.org/show_bug.cgi?id=19531
Summary: [i915] readpix failed in toggling scale and bias
Product: Mesa
Version: unspecified
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: dri-devel@lists.sourceforge.net
ReportedBy: jian.j.z...@intel.com
Created an attachment (id=21928)
--> (http://bugs.freedesktop.org/attachment.cgi?id=21928)
xorg.conf
System Environment:
--------------------------
Platform: 915 945
Architecture(32-bit,64-bit,compatiblity): 32-bit 64-bit
--Xserver: (master)102c4dac7c521941f52652152b1660cd7f559d56
xf86_video_intel: xf86-video-intel-2.6-branch
4447973345a2a7af20ba1d6cb18c5f1ed8949d00 (2.5.99.2)
mesa intel-2008-q4 branch eef0dcc298f65158dc750a09f80317ded1101dc7
kernel drm-intel-2.6.28 branch e1a6fcee467556a7e955fe1f7ccc134dd2f974e7
libdrm master branch ac8b3308b9432edef5cabe30559004314d42d98c
Bug detailed description:
--------------------------
start X,then run readpix, and press s to toggle scale/bias. Only the middle one
(Read/Drawpixs) will have change the on on the right doesn't change.(As shown
in picture 1) And it should be that both the middle and the right one change
together.(As shown in picture 2) On gm45 and gm965 it works well.
Reproduce steps:
----------------
1. xinit&
2. gnome-session&
3. demo/readpix
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