| Summary: | [SNB regression]Piglit spec_glsl-1.10_execution_fs-bool-less-compare-true fails | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | lu hua <huax.lu> |
| Component: | Drivers/DRI/i965 | Assignee: | Kenneth Graunke <kenneth> |
| Status: | VERIFIED FIXED | QA Contact: | |
| Severity: | major | ||
| Priority: | high | CC: | idr, xunx.fang |
| Version: | 9.0 | ||
| Hardware: | All | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
Please provide commit IDs that are on the same branch. [idr@dynamic120 master]$ git log 59d247c829cce0fe14957ff32221b329fde6a918..c7775e842bec815ede6badc35dbfe4991c183e3a | grep ^commit | wc -l 3777 This is useless. This passes on Ivybridge (but not Sandybridge) which suggests that it may have something to do with the IF statements with embedded conditional modifiers that /only/ exist on Gen6. Could be wrong, just a shot in the dark. Need to pull out the SNB... Fixed by the following patch on the mailing list: http://lists.freedesktop.org/archives/mesa-dev/2012-September/027519.html commit 0482998ccc205a9d29953c7a8b33f41ae3584935 Author: Eric Anholt <eric@anholt.net> Date: Mon Nov 12 13:13:55 2012 -0800 i965/fs: Fix the gen6-specific if handling for 80ecb8f15b9ad7d6edc (In reply to comment #4) > commit 0482998ccc205a9d29953c7a8b33f41ae3584935 > Author: Eric Anholt <eric@anholt.net> > Date: Mon Nov 12 13:13:55 2012 -0800 > > i965/fs: Fix the gen6-specific if handling for 80ecb8f15b9ad7d6edc Fixed on master branch. It still fails on 9.0 branch. Verified.Fixed on latest mesa master branch and 9.1 branch. |
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System Environment: -------------------------- Arch: i386 Platform: sandybridge Libdrm: (master)libdrm-2.4.39-2-g92fd0ce4f659d7b0680543e9e5b96a3c7737a5f3 Mesa: (9.0)c7775e842bec815ede6badc35dbfe4991c183e3a Xserver:(server-1.12-branch)xorg-server-1.12.4 Xf86_video_intel:(master)2.20.6-37-g1f5d5a37e57e63fa6e5b336a4847ce4422b89044 Libva: (master)44b03ffcdb814392a9acf025615f99a06fed63d4 Libva_intel_driver:(master)5a449f5d2608adaf29c4c052aa28687d9e80a37a Kernel: (drm-intel-fixes) 28dcc2d60cb570d9f549c329b2f51400553412a1 Bug detailed description: ------------------------- It fails on sandybridge with mesa 9.0 branch. It also fails on mesa master branch. It doesn't happen on mesa 8.0 branch. The last known good commit:59d247c829cce0fe14957ff32221b329fde6a918 The last known bad commit: c7775e842bec815ede6badc35dbfe4991c183e3a output: Probe at (0,0) Expected: 0.000000 1.000000 0.000000 0.000000 Observed: 1.000000 0.000000 0.000000 0.000000 PIGLIT: {'result': 'fail' } Reproduce steps: ---------------------------- 1. xinit 2. ./bin/shader_runner fs-bool-less-compare-true.shader_test -auto -fbo