Queue texture block update for renderer backend

Parse display precision back from the display format string FIXME: This is still used by some navigation code path to infer a minimum tweak step, but

FIXME: Ideally we'd share code with ImFont::CalcTextSizeA()

Return false to discard a character.

Mirror of the writer's metadata-section predicates (fileIO_Common.h): which authored fields the text serialization places in the ( ) block.

IsCharInsideWord based on ImGui's CalcWordWrapPositionA

Used in the manipulators for editing stage TODO IsEditingStageCamera()

Extract a short display name from a layer or stage identifier.

SET CUSTOMDATA["k"] rvalue → the VtValue to author. A number written without a decimal point authors int64 (USD's default for bare ints in usda); othe

Folding hook: write either the value text or the folded placeholder.

Resolve the target layer for a composition arc tool: named via layer_id or the current edit target. Returns null and fills errorOut on failure.

--------------------------------------------------------- settings access

Tokenize a string/token/asset array value: "[a, b, c]" → {"a","b","c"}. Handles optional outer brackets and single/double quotes.

delete characters while updating undo

combined JPEG 'receive' and JPEG 'extend', since baseline always extends everything it receives.

returns 0..31 for the highest set bit

extract an arbitrarily-aligned N-bit value (N=bits) from v, and then make it 8-bits long and fractionally extend it to full full range.

returns STBI_rgb or whatever, 0 on error

Advance the lexer state over one line (cheap skip when nothing in the line can change the state).

Find which item should be Focused after deletion. Call _before_ item submission. Return an index in the before-deletion item list, your item loop shou

Manifest display of an arc item (@asset@<primPath> for file arcs).

BASENAME — the property name after the final namespace separator ("inputs:intensity" → "intensity"; un-namespaced names are their own basename). The c

One Arc per authored sublayer of a layer — the SUBLAYER family (A3-followup), the LAYER-entity analogue of BuildUsdArcs for REFERENCE/PAYLOAD. Each ar

Authored list-op arcs of a prim spec for a family — Layer world (design §3.1), tagged with their list-op category (REFERENCE.OP etc.).

Trim trailing space and find beginning of next line

Advanced: Channels - Use to split render into layers. By switching channels to can render out-of-order (e.g. submit FG primitives before BG primitives