107576 – Blender rendering errors with CYCLES_OPENCL_MEGA_KERNEL_TEST

Bug 107576 - Blender rendering errors with CYCLES_OPENCL_MEGA_KERNEL_TEST

Summary: Blender rendering errors with CYCLES_OPENCL_MEGA_KERNEL_TEST

Status:	RESOLVED MOVED

Alias:	None

Product:	Beignet
Classification:	Unclassified
Component:	Beignet (show other bugs)
Version:	unspecified
Hardware:	x86-64 (AMD64) Linux (All)

Importance:	medium normal
Assignee:	Zhigang Gong
QA Contact:

URL:
Whiteboard:
Keywords:

Depends on:
Blocks:

Reported:	2018-08-15 10:26 UTC by Sven Arvidsson
Modified:	2018-10-12 21:27 UTC (History)
CC List:	0 users

See Also:
i915 platform:
i915 features:

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

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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