Created attachment 141102 [details]
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.
Created attachment 141103 [details]
CPU rendering (correct)
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."
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