Switching to a Layout stops the main thread long enough that the
compositor decides the application has stopped responding and offers to
kill it. The switch itself is not the problem — `layout-switch` reports
about 10 ms — it is the frame after it, which rebuilds the whole wire set.
That frame now has a cheap one in front of it. `layout_settling` is set
when the switch takes, and while it holds, the viewport is replaced by a
centered "Preparing layout…" on the canvas background. No shader widget
means no scene primitive, so `prepare` has nothing to do and the frame
costs nothing. A `window::frames` subscription clears the flag, which is
the guarantee this needs: that callback runs once a frame has actually
been presented, so the notice is on screen and the compositor has been
answered before the expensive frame starts.
The deferral is of the *frame*, not the switch. Two callers depend on the
switch having completed when it returns — one calls `fit_all` immediately
after, another compares `current_layout` — so deferring the switch itself
would have broken both.
This restarts the compositor's timer immediately before the slow frame and
replaces a stale window with something that says what is happening. It
does not make the slow frame fast: if the rebuild still exceeds the
compositor's timeout the dialog can return, and the durable fix is the
2 s `memo_miss` behind it, which is a separate change.
Only `en-US` is validated against at build time; Greek is filled in too
since it is in use here, and the rest fall back until translated.
Co-Authored-By: Claude Opus 5 <[email protected]>
The renderer shares one set of wire GPU buffers per wire_content_id
across every pane and viewport slot. Every geometry edit mints a new
content id, so every edit builds a new set -- and the old one stayed in
wire_buffer_cache until the map exceeded sixteen entries.
Sixteen entries is a sane bound for small drawings and fatal for large
ones. The policy counted entries, not bytes. On the reproducer a single
set is most of the card: the VRAM trace shows 572 MiB baseline rising to
1871 MiB on a 2048 MiB GT 1030. The second set has nowhere to go, so the
first edit after opening exhausts VRAM. The perf log shows exactly that
-- two `shared-fullupload` lines, an edit, then the process dies.
Evict on every miss instead of at a count threshold, and do it before
building the replacement rather than after, so the old allocation is
released while the new one is still being sized. Dropping this slot's own
handles first is what lets the retain see the superseded entry as
garbage; a pane still drawing that content keeps its own clone and its
strong count stays above one, so shared geometry is never pulled out
from under a live viewport.
The trade is that returning to a previous content id -- undo, mostly --
now rebuilds instead of hitting a warm entry. On a card where the
alternative is dying, that is the right way round.
Adds a PERF line reporting evicted and retained entry counts, so the
policy can be watched rather than assumed.
Co-Authored-By: Claude Opus 5 <[email protected]>
Implement the AutoCAD compatible HATCHTOBACK (HB) command and enhance the interactive DRAWORDER command pipeline with comprehensive verb selection and viewport entity picking.
Key implementations and architectural details:
1. HATCHTOBACK command execution
* Isolates entities belonging to the active layout block record or global space.
* Filters out entities residing on locked layers using an efficient hash set lookup.
* Records targeted delta undo operations on SortEntitiesTable objects (~100 bytes) rather than snapshotting full document structures.
* Performs granular draw depth cache invalidation via Scene::invalidate_draw_depth, preserving existing geometry tessellations and spatial indices.
* Emits localized user notifications when no qualifying hatch entities are found.
2. Interactive DrawOrderCommand state machine
* Supports preselected entities as well as interactive on demand selection gathering.
* Implements subverb selection supporting single character shortcuts (A for Above, U for Under, F for Front, B for Back) and case insensitive keyword parsing.
* Enables interactive reference object picking directly in the viewport via needs_entity_pick and on_entity_pick callbacks.
* Supports hexadecimal handle specification directly from the command line interface.
3. Ecosystem and system integration
* Bumps DEFAULT_ALIASES_VERSION from 2 to 3 to register the HB alias while preserving existing user overrides.
* Integrates HATCHTOBACK and HB into dynamic autocomplete registries.
* Adds localized message strings across all 20 Fluent translation catalogs.
* Corrects hatch boundary serialization flags to ensure outermost boundary rings consistently carry the external attribute.
Hakan Seven