The shader code output contains a little bit of plaintext such as I/O identifiers and the shader name, which was generated for the DXC backend in a way that prevents caching.
This unifies the shader name in the output code and improves the cache hit ratio for a Lyra cook from 0% to roughly 50% cache hits (for certain platforms).
#rb Jason.Nadro, Carl.Lloyd
#fyi Brian.White, Arciel.Rekman, Brandon.Schaefer
#jira FORT-548603
#preflight 63e26c6c07207b2570ba2d5b
#rnx
[CL 24050212 by Laura Hermanns in ue5-main branch]
This is required because subsequent shader compilation steps assume that the code has been fully preprocessed. In particular, the dead code elimination system does not handle macros such as ones in BindlessResources.ush.
#preflight 63bef4ba6e6e8d4662ffd485
#rb christopher.waters
[CL 23649118 by Yuriy ODonnell in ue5-main branch]
* Track namespaces for symbols
* Re-emit namespace scopes
* Conservatively include symbols from all namespaces in minified code (as if they were all global)
* Additional parsing work will be required to more accurately track used symbols based on active namespaces (i.e. handle `using` keyword, etc.)
* Added RemoveDeadCode() overload that takes an explicit list of required symbols instead of just an entry point name
#rb dan.elksnitis
#preflight 6398be5e35203bc7aa7f9b47
[CL 23494729 by Yuriy ODonnell in ue5-main branch]
[FYI] Laura.Hermanns
Original CL Desc
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Add host machine name to OOM report in DXC backend and refactor global SCW error-code handling.
#rb Jason.Nadro, Dan.Elksnitis, Yuriy.Odonnell, Arciel.Rekman
#preflight 638e610c255f07df8ea212f4
#rnx
[CL 23421737 by kate ellis in ue5-main branch]
Declarations like `struct { uint Param; } Foo;` were previously incorrectly removed from code.
Also report explicit error when encountering 'namespace' keyword (which is currently unsupported)
#preflight 6387c5b1f213a116ebc18c5f
#rb dan.elksnitis
[CL 23343976 by Yuriy ODonnell in ue5-main branch]
MPCook and Shaders: Change ShaderSymbolExport to export to different .zip files when in a -MultiprocessId environment.
Add part of the implementation for merging the different zip files created by CookWorkers together. The rest of the implementation requires reading from .zip files and will be coming in a future change.
#rb Christopher.Waters, Zousar.Shaker
#rnx
#preflight 6377fcedfa348e8480e25a2b
[CL 23209604 by Matt Peters in ue5-main branch]
