OptionallabelOptionaldepthOptionalmipOptionalsampleOptionaldimensionOptionalextraAdditional usage flags beyond what the graph infers from declared reads/ writes. The graph always adds RENDER_ATTACHMENT/TEXTURE_BINDING/ STORAGE_BINDING/COPY_SRC/COPY_DST as appropriate based on declared usage, so this is only needed when the pass uses the texture in a way the graph cannot see (e.g. mipmap generation outside the encoder).
Describes a virtual texture's allocation parameters.