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fix(render3d): nothing allocated in the steady state - the Vulkan allocator reuses its records

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gvk_mem_new made a one-slot []pointer per allocation, and turned the requirement's size and
alignment into strings to read them as ints; gvk_list_drop_last rebuilt the spare-record list to
drop its last entry; gvk_mem_id did the string round trip on every free. One slot is kept
(gvk_map_slot), int() truncates a long, the spare list pops. Every Text.to_int(string(x)) in
render3d is int(x) now.

Vk.heap_bytes() (vk_mac.ll: malloc_zone_statistics' size_in_use; 0 on Windows) and
examples/rendering/steady.ludic, in the suite: a buffer released and made again 5000 times and
600 whole frames gain 0 bytes each - the allocator before this, 1,120,000 over the 5000.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 11:14:56 +03:00
parent 3915af34c2
commit 866037a0d7
9 changed files with 119 additions and 19 deletions
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1
tools/ludic-cli/test.ludic
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@ -1054,6 +1054,7 @@ function cmd_dev_test() -> int {
headless_case("rendering/ui_render3d", "ok", "ui_render3d.ludic (ludic.ui's render3d backend builds against the renderer)")
headless_line_case("rendering/release", "RELEASE OK", "release.ludic (model_release: meshes go, a shared texture stays until its last user goes)")
headless_line_case("rendering/bc", "BC OK", "bc.ludic (a .dds beside a .png arrives BC7-compressed with every mip level)")
headless_line_case("rendering/steady", "STEADY OK", "steady.ludic (a buffer made again and a whole frame leave malloc's live bytes where they were)")
migrate_component_case()
migrate_foreign_case()
reject_case("rejected/runtime_type_clash", "PadButton is the runtime's enum", "a program's type named like one of the runtime's is refused")