- Adds support for static samplers ins dxcontainer binary format.
- Adds writing logic to mcdxbc
- adds reading logic to Object
- adds tests
Closes: [126636](https://github.com/llvm/llvm-project/issues/126636)

---------

Co-authored-by: joaosaffran <joao.saffran@microsoft.com>

As requested in a previous PR, this change moves all structs related to
RTS0 to RTS0 namespace.

---------

Co-authored-by: joaosaffran <joao.saffran@microsoft.com>

Adding support for Root Constant in MC, Object and obj2yaml and
yaml2obj, this PR adds:
  - new structures to dxbc definition.
  - serialize and desirialize logic from dxcontainer to yaml
  - tests validating against dxc
  - adding support to multiple parts.

Closes: https://github.com/llvm/llvm-project/issues/126633

---------

Co-authored-by: joaosaffran <joao.saffran@microsoft.com>

Adding support for Root Signature Flags Element extraction and writing
to DXContainer.
- Adding an analysis to deal with RootSignature metadata definition
- Adding validation for Flag
- writing RootSignature blob into DXIL

Closes: [126632](https://github.com/llvm/llvm-project/issues/126632)

---------

Co-authored-by: joaosaffran <joao.saffran@microsoft.com>

This PR adds:
- `RootSignatureFlags` extraction from DXContainer using `obj2yaml`


This PR is part of: #121493

---------

Co-authored-by: joaosaffran <joao.saffran@microsoft.com>

This change introduces a version 3 of the PSV data that includes support
for the name of the entry function as an offset into StringTable data to
a null-terminated utf-8 string.

Additional tests were added to ensure that the new value was properly
serialized/deserialized from object data.

Fixes #80175

---------

Co-authored-by: Cooper Partin <coopp@ntdev.microsoft.com>

This reverts commit cde54df39cab3a1d60a3e1862ab341609bee3cc3.

Co-authored-by: Cooper Partin <coopp@ntdev.microsoft.com>

This change introduces a version 3 of the PSV data that includes support
for the name of the entry function as an offset into StringTable data to
a null-terminated utf-8 string.

Additional tests were added to ensure that the new value was properly
serialized/deserialized from object data.

Fixes #80175

---------

Co-authored-by: Cooper Partin <coopp@ntdev.microsoft.com>

This is preparation for add ShaderFlag in DXIL.

For #57925

This fixes:
```
[1265/6998] Building CXX object lib\Object\CMakeFiles\LLVMObject.dir\DXContainer.cpp.obj
C:\git\llvm-project\llvm\lib\Object\DXContainer.cpp(344): warning C4018: '<': signed/unsigned mismatch
```