59b9bb0849
This pull request adds a new tipe of resource handles (thin handles). These are intended for cases where a resource buffer with more than one entry for each object is needed (for example, one entry per material slot). While it's already possible to have multiple regular handles for the same object, they have a non-trivial overhead in terms of uploaded data (matrix, bounds, object info) and computation (visibility culling). Thin handles store an indirection buffer pointing to their "parent" regular handle, therefore multiple thin handles can share the same per-object data and visibility culling computation. Thin handles can only be used in their own Pass type (PassMainThin), so passes that don't need them don't have to pay the overhead. This pull request also includes the update of the Workbench Next pre-pass to use PassMainThin, which is the main reason for the implementation of this feature. The main change from the previous PR is that the thin handles are now stored directly in the main resource_id_buf, to avoid wasting an extra bind slot. Pull Request #105261
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