Implements descriptor table parsing from root signature metadata. This
is required to support root signatures in hlsl.
Closes: #[126640](https://github.com/llvm/llvm-project/issues/126640)
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Co-authored-by: joaosaffran <joao.saffran@microsoft.com>
Updates the Root Signature metadata parser to extract version
information. This requirement was added after the initial parser
implementation.
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Co-authored-by: joaosaffran <joao.saffran@microsoft.com>
- adds parsing from metadata into dxcontainer binary
- adds validations as described in the spec
- adds testing scenarios
closes: [#126638](https://github.com/llvm/llvm-project/issues/126638)
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Co-authored-by: joaosaffran <joao.saffran@microsoft.com>
