Fix #103918: Cycles point cloud motion blur artifacts on the GPU #109830

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Brecht Van Lommel merged 1 commits from brecht/blender:fix-gpu-point-blur into main 2023-07-07 20:15:42 +02:00

Change storage to consistently put xyz + radius in the motion blur attribute.

Change storage to consistently put xyz + radius in the motion blur attribute.
Brecht Van Lommel added 1 commit 2023-07-07 18:19:32 +02:00
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Fix #103918: Cycles point cloud motion blur artifacts on the GPU
Change storage to consistently put xyz + radius in the motion blur attribute.
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Package build started. Download here when ready.

Package build started. [Download here](https://builder.blender.org/download/patch/PR109830) when ready.
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Using the file from #103918, with motion blur enabled and a velocity of Z=+10, I can confirm that the renders match across these devices:

CPU - Embree CPU - BVH2 CUDA OptiX
CPU - New.jpg BVH2 - New.jpg Cuda - New.jpg OptiX - New.jpg
OneAPI OneAPI - Embree Metal Metal - MetalRT
OneAPI - New.jpg OneAPI - Embree - New.jpg Metal - New.jpg MetalRT - New.jpg
Using the file from #103918, with motion blur enabled and a velocity of Z=+10, I can confirm that the renders match across these devices: | CPU - Embree | CPU - BVH2 | CUDA | OptiX | | - | - | - | - | |![CPU - New.jpg](/attachments/8fce5a2c-34f7-485f-9da4-1aee19b1622b)|![BVH2 - New.jpg](/attachments/90cab09e-3807-4b65-80e6-28000aa21cfc)|![Cuda - New.jpg](/attachments/0407eaed-d1f0-4f4c-ad59-0ed578019de9)|![OptiX - New.jpg](/attachments/cfff2d84-8777-46af-9b8a-915562740391)| | OneAPI | OneAPI - Embree | Metal | Metal - MetalRT | | - | - | - | - | |![OneAPI - New.jpg](/attachments/db1d0f48-ba5d-41c9-ac65-839875922e1b)|![OneAPI - Embree - New.jpg](/attachments/494cb6d9-2da5-4f95-8973-0d73348645cd)|![Metal - New.jpg](/attachments/eb9b0827-6ddd-49cc-9b9b-1dc0ef441061)|![MetalRT - New.jpg](/attachments/c326dc35-1036-412b-81b5-afb790a78236)|
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Thanks for testing!

Thanks for testing!
Brecht Van Lommel merged commit 7e55dfcf27 into main 2023-07-07 20:15:42 +02:00
Brecht Van Lommel deleted branch fix-gpu-point-blur 2023-07-07 20:15:44 +02:00
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Reference: blender/blender#109830
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