Bug 39253

Summary: [bisected]oglc fbo(renderToRb.1FBOIterateIntFormatsDepth) fails
Product: Mesa Reporter: fangxun <xunx.fang>
Component: Drivers/DRI/i965Assignee: Eric Anholt <eric>
Status: VERIFIED FIXED QA Contact:
Severity: normal    
Priority: high CC: eric
Version: git   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Bug Depends on:    
Bug Blocks: 42993    

Description fangxun 2011-07-15 04:24:16 UTC 
System Environment:
--------------------------
Arch:        i386
Platform:    pineview
Libdrm:      (master)2.4.26-1-g8d055890d90c3d92647e3d8b98d32630ef87c2c8
Mesa:         (master)02c8ee202f5a159659a027deae4721ff05cd1530
Xserver:      (master)xorg-server-1.10.99.901-104-g01dbf2514aa0cc8c40a876a24e3cb0737c41da19
Xf86_video_intel: (master)2.15.0-203-g212fa9868767637e8f430485eeb522c99e63fd16
Kernel:  (drm-intel-next)99834ea446d5c0da3f6cfa355fe4670840d45f79


Bug detailed description:
-------------------------
This regression happens on pineview, ironlake and sandybridge. 
Bisect find commit 86e62b2357447b7c97f434 is the first bad commit.
commit 86e62b2357447b7c97f434be4834f4b50aa0764d
Author:     Eric Anholt <eric@anholt.net>
AuthorDate: Wed Jun 15 12:02:12 2011 -0700
Commit:     Eric Anholt <eric@anholt.net>
CommitDate: Thu Jul 7 14:05:20 2011 -0700

    intel: Mark MESA_FORMAT_X8_Z24 as always supported.

    This prevents developer surprise at seeing a GL_DEPTH_COMPONENT
    texture have stencil bits, and avoids the metaops path accidentally
    copying stencil bits around in glCopyTexImage(GL_DEPTH_COMPONENT) (and
    being broken because swrast's glReadPixels(GL_UNSIGNED_INT_24_8) is
    broken).


Reproduce steps:
----------------
1. xinit&
2. ./oglconform -z -s -suite all -v 2 -D 115 -test fbo renderToRb.1FBOIterateIntFormatsDepth
Comment 1 Eric Anholt 2011-07-19 09:13:33 UTC 
(Note that while this is a P1 regression, it doesn't apply to the 7.11 release)
Comment 2 Eric Anholt 2011-08-16 10:46:22 UTC 
We're punting on this until the RB mapping rework.
Comment 3 fangxun 2011-11-28 19:33:42 UTC 
*** Bug 43183 has been marked as a duplicate of this bug. ***
Comment 4 fangxun 2011-11-28 19:37:21 UTC 
It also fails on mesa 7.11 branch.
Comment 5 Ian Romanick 2012-02-01 13:32:03 UTC 
This test pass with current 8.0 branch (7f5d3f7) on my SNB GT2 mobile (8086:0126 (rev 09)).  Please reopen with additional information if this is still reproducible on other platforms.
Comment 6 fangxun 2012-02-01 19:06:25 UTC 
Verified with mesa 8.0 branch(442dc31fa71ec433b2c100ec983a6061e83f7dbd) and mesa master branch(7ef94c6a0b7d2f7a8c6d03b12262b0b9e57e414c).

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