Bug 40707

Summary:	[SNB]oglc edgeflag(basic.allCases) fails on SandyBridge
Product:	Mesa	Reporter:	fangxun <xunx.fang>
Component:	Drivers/DRI/i965	Assignee:	Eric Anholt <eric>
Status:	VERIFIED FIXED	QA Contact:
Severity:	normal
Priority:	medium	CC:	eric
Version:	git
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Attachments:	A pending patch to fix this issue

Description fangxun 2011-09-08 00:32:29 UTC

System Environment:
--------------------------
Arch:           i386
Platform:       huronriver 
Libdrm:         (master)2.4.26-3-g2acaf160df584a5ef7b5c5b84819389948cd97ad
Mesa:           (master)6edef25a4b41583e1c285653fc0b84a316e9743d
Xserver:         (master)xorg-server-1.11.0
Xf86_video_intel:  (master)2.16.0-24-g695e7115efab96c4467dc926be07dc2609011720
Kernel_unstable:  (drm-intel-next)c6a389f123b9f68d605bb7e0f9b32ec1e3e14132


Bug detailed description:
------------------------- 
This is not regression. It passes on Ironlake and Pineview.


Reproduce steps:
----------------
1. start X
2. ./oglconform -z -s -suite all -v 2 -D 115 -test edgeflag basic.allCases

Comment 1 fangxun 2011-09-21 00:00:23 UTC

oglc displaylist-deref(misc.edgeFlagDereference) and vao(advanced.stateChange.edgeFlagCoordArray) also fails on SandyBridge.

Comment 2 Yuanhan Liu 2011-09-26 19:41:55 UTC

*** Bug 40704 has been marked as a duplicate of this bug. ***

Comment 3 Yuanhan Liu 2011-09-26 19:48:36 UTC

Created attachment 51647 [details] [review]
A pending patch to fix this issue

I made a patch several weeks ago to try to fix this issue, and it did. But it did something not strictly consistent with Bspec. Thus the patch is pending....

Comment 4 Yuanhan Liu 2011-09-26 19:52:22 UTC

I had discussed this patch and issues with Eric.

So, add Eric to the CC list.

Comment 5 Gordon Jin 2012-05-11 00:01:18 UTC

Yuanhan, any update?

Comment 6 Yuanhan Liu 2012-05-11 00:26:21 UTC

(In reply to comment #5)
> Yuanhan, any update?

Sorry, nope, still pending.

Comment 7 Eric Anholt 2012-08-06 23:59:17 UTC

Patch series at:

http://lists.freedesktop.org/archives/mesa-dev/2012-July/024860.html

Comment 8 Eric Anholt 2012-08-09 16:08:45 UTC

commit 04a11b5f5e22155e5816e2da560b485eb0eaaec9
Author: Eric Anholt <eric@anholt.net>
Date:   Fri Jul 27 21:07:48 2012 -0700

    i965/gen6+: Add support for edge flags.

Comment 9 fangxun 2012-10-26 07:06:27 UTC

Verified it on masa master and mesa 9.0 branch.

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