jeannoe morissette 1c3df9d049 - Add support for 64bit image atomics extension (VK_EXT_shader_image_atomic_int64). ...

- Add CVar (r.Vulkan.Allow64bitShaderAtomics) to forcefully disable 64bit image atomics.  Currently defaults to 0 (until other components are in).
- Check driver version for Vulkan on NVIDIA, a fix was added for the 64bit image atomics that is required for Nanite. (currently Windows only, Linux TBD)

#rb Rolando.Caloca
[FYI] mihnea.balta,dmitriy.dyomin,brandon.schaefer

#ROBOMERGE-SOURCE: CL 16982971 in //UE5/Main/...
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v838-16927207)

[CL 16982990 by jeannoe morissette in ue5-release-engine-test branch]

2021-07-28 11:51:01 -04:00

..

Private

- Add support for 64bit image atomics extension (VK_EXT_shader_image_atomic_int64).

2021-07-28 11:51:01 -04:00

VulkanShaderFormat.Build.cs

- UBT Code changes to remove 32-bit Windows support (C++ code for 32-bit still exists)

2021-01-31 15:09:58 -04:00