Bug 16422 - [i915 XvMC] first frame may have some lines or blocks rendering incorrectly
Summary: [i915 XvMC] first frame may have some lines or blocks rendering incorrectly
Status: VERIFIED WONTFIX
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: unspecified
Hardware: Other Linux (All)
: medium normal
Assignee: Wang Zhenyu
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2008-06-18 19:53 UTC by Shuang He
Modified: 2009-01-18 21:21 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
screen snapshot (509.62 KB, image/png)
2008-06-18 19:55 UTC, Shuang He
no flags Details
another snapshot (515.61 KB, image/jpeg)
2008-06-18 19:57 UTC, Shuang He
no flags Details
test case (17.59 KB, text/x-c)
2008-06-18 20:02 UTC, Shuang He
no flags Details
test case (17.59 KB, text/plain)
2008-06-18 20:03 UTC, Shuang He
no flags Details

Description Shuang He 2008-06-18 19:53:24 UTC
System Environment:
--------------------------

--Platform: 945G


--2D driver:
commit 548d4c0f979a72eac5d0c9c76da12f0bd05e64e1 

--3D driver:
commit 990e010394a2685c1daeaef61cf4f7e2a0ba419e

--Xserver:
commit cf20df39cc78203d17b99223908af388ecbf7d0e 

--Drm
commit b44f2da380e78769b58c751e81f376f0fa1f48aa 

--Kernel:
2.6.23.1


Bug detailed description:
-------------------------
the rendering for first frame may have some lines or blocks rendering incorrectly.



Reproduce steps:
----------------
1. enable XvMC in xorg.conf
2. start X
3. compile and run attached case


Current result:
----------------
some lines or blocks rendering incorrectly


Expected result:
----------------
should render correctly
Comment 1 Shuang He 2008-06-18 19:55:59 UTC
Created attachment 17221 [details]
screen snapshot
Comment 2 Shuang He 2008-06-18 19:57:57 UTC
Created attachment 17222 [details]
another snapshot
Comment 3 Shuang He 2008-06-18 20:02:40 UTC
Created attachment 17223 [details]
test case

This test case render a single I frame
This issue happens about 1 in 8.
If I change the test case to render that frame for 100 times, and if the first is correctly rendered, the subsequent ones are all rendered correctly.
Comment 4 Shuang He 2008-06-18 20:03:09 UTC
Created attachment 17224 [details]
test case

This test case render a single I frame
This issue happens about 1 in 8.
If I change the test case to render that frame for 100 times, and if the first is correctly rendered, the subsequent ones are all rendered correctly.
Comment 5 Michael Fu 2008-11-25 20:49:27 UTC
We will not put further effort on XvMC for 915/945 platform.
Comment 6 Shuang He 2009-01-18 21:21:16 UTC
verified


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