Bug 107576 - Blender rendering errors with CYCLES_OPENCL_MEGA_KERNEL_TEST
Summary: Blender rendering errors with CYCLES_OPENCL_MEGA_KERNEL_TEST
Alias: None
Product: Beignet
Classification: Unclassified
Component: Beignet (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Zhigang Gong
QA Contact:
Depends on:
Reported: 2018-08-15 10:26 UTC by Sven Arvidsson
Modified: 2018-10-12 21:27 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

GPU rendering (16.93 KB, image/png)
2018-08-15 10:26 UTC, Sven Arvidsson
CPU rendering (correct) (17.98 KB, image/png)
2018-08-15 10:26 UTC, Sven Arvidsson

Description Sven Arvidsson 2018-08-15 10:26:14 UTC
Created attachment 141102 [details]
GPU rendering

Rendering using CYCLES_OPENCL_MEGA_KERNEL_TEST=1 results in rendering errors. See attached screenshots. No colors are rendered and the background in the cube scene is transparent.

Blender 2.79

Beignet 1.3.2
Comment 1 Sven Arvidsson 2018-08-15 10:26:46 UTC
Created attachment 141103 [details]
CPU rendering (correct)
Comment 2 Sven Arvidsson 2018-08-15 11:34:05 UTC
Same behavior using  Intel(R) HD Graphics Skylake Desktop GT2 and Intel(R) HD Graphics IvyBridge M GT2, 1536/2048 MB allocatable, 16MCU

Beignet reports "unable to find good values for local_work_size[i], please provide\n" " local_work_size[] explicitly, you can find good values with\n" " trial-and-error method."
Comment 3 GitLab Migration User 2018-10-12 21:27:08 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

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