Bug 18943

Summary:	[GEM] no refreshing for 3D window when running glxgears with compiz
Product:	Mesa	Reporter:	lin, jiewen <jiewen.lin>
Component:	Drivers/DRI/i915	Assignee:	Eric Anholt <eric>
Status:	VERIFIED INVALID	QA Contact:
Severity:	normal
Priority:	medium
Version:	unspecified
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Bug Depends on:
Bug Blocks:	18841
Attachments:	log conf screenshot

Description lin, jiewen 2008-12-08 00:41:38 UTC

Created attachment 20888 [details]
log

System Environment:
--------------------------

--Platform: G45
--Architecture(32-bit,64-bit,compatiblity): 64-bit
--2D driver: (master)b156b3165e1aae5df0353737d0335ac2e653f5fd
--3D driver: (master)bdc8ac4426f00eaafbe8ca0d356563efe390294d
--DRM: shipped with kernel 2.6.28-rc6-for-airlied
--libdrm: (master)b0d93c74d884b40bd94469a5ef75fdb2fef17680
--Kernel: 2.6.28-rc6-for-airlied

Bug detailed description:
--------------------------
Start X and start compiz, run glxgears and drag the window, there is still a stationary copy in the original position.


Reproduce steps:
----------------
1. startx&
2. glxgears

Comment 1 lin, jiewen 2008-12-08 00:42:17 UTC

Created attachment 20889 [details]
conf

Comment 2 lin, jiewen 2008-12-08 00:43:24 UTC

Created attachment 20890 [details]
screenshot

Comment 3 lin, jiewen 2008-12-08 00:44:33 UTC

It still exists with vblank_mode=0.

Comment 4 Gordon Jin 2008-12-08 06:31:03 UTC

Eric, is this a known issue?

Comment 5 Eric Anholt 2008-12-08 11:32:46 UTC

You need DRI2 for correct OpenGL compositing.

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