2 commits

Author	SHA1	Message	Date
Raph Levien	69b6632085	Fix write-after-read in prefix test ... Thanks to Jeff Bolz for spotting the write-after-read hazard on the sh_flag accesses. This fixes observed failures on Nvidia Turing and Ampere on DX12.	2021-11-14 07:13:15 -08:00
Raph Levien	825a1eb04c	Add atomic versions of prefix ... This adds both regular and Vulkan memory model atomic versions of the prefix sum test, compiled by #ifdef. The build chain is getting messy, but I think it's important to test this stuff.	2021-11-11 15:26:47 -08:00