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feat(vk): Vk.* - Vulkan 1.0-1.4 generated from the registry, loaded at run time

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ludic-dev vkgen reads vk.xml into runtime/native/vk_api.ludic (constants, every struct's
<Struct>_sizeof and <Struct>_<field> offsets, one extern per command) and vk_thunks.ll.
Every size and offset was compiled against the SDK's C headers; `ludic-dev test` checks the
tracked files against the registry wherever the Vulkan SDK is installed.

vk_win.ll (vulkan-1.dll) and vk_mac.ll (libvulkan.1.dylib, MoltenVK) open the loader at run
time, so a program built with Vk.* starts on a machine without Vulkan. ludicc and ludic
build link both for any program that uses Vk.*. The seeds are regenerated for the new
compiler.

vk_probe reports what a machine's Vulkan can do; vk_compute dispatches a Slang compute
shader and reads the picture back, clean under the validation layer on an RTX 3070 Ti and
on an M4 Pro through MoltenVK.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-15 09:52:12 +03:00
parent 043d8d81a2
commit 208cad7ca1
18 changed files with 52468 additions and 40972 deletions
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13
tools/ludic-cli/build.ludic
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@ -48,7 +48,7 @@ function compile_app(src: pointer, out: pointer, mode: int, save: bool) -> bool
if mode == 2 {
if not shq(`{ludicc()} --headless {src} --emit-llvm -o {ll}`) { return false }
if not shq(`{cc()} -O2 {ll}{gl_link_flags(ll)}{http_link_flags(ll)}{pbf} -o {out}`) { return false }
if not shq(`{cc()} -O2 {ll}{gl_link_flags(ll)}{vk_link_flags(ll)}{http_link_flags(ll)}{pbf} -o {out}`) { return false }
if not save { shell(`rm -f {ll}`) }
return true
}
@ -58,7 +58,7 @@ function compile_app(src: pointer, out: pointer, mode: int, save: bool) -> bool
# canonical `ludicc -o` path links it only when Audio.* is used.
let cocoa = `{home}runtime/native/cocoa.ll`
let audio = `{home}runtime/native/audio.ll`
if not shq(`{cc()} -O2 {ll} {cocoa} {audio} -framework Cocoa -Wl,-needed_framework,GameController -Wl,-needed_framework,AVFoundation -Wl,-rpath,@loader_path{gl_link_flags(ll)}{http_link_flags(ll)}{pbf} -o {out}`) { return false }
if not shq(`{cc()} -O2 {ll} {cocoa} {audio} -framework Cocoa -Wl,-needed_framework,GameController -Wl,-needed_framework,AVFoundation -Wl,-rpath,@loader_path{gl_link_flags(ll)}{vk_link_flags(ll)}{http_link_flags(ll)}{pbf} -o {out}`) { return false }
if not save { shell(`rm -f {ll}`) }
return true
}
@ -71,6 +71,15 @@ function gl_link_flags(ll: pointer) -> pointer {
return ` {home}runtime/native/gl.ll {home}runtime/native/gl_thunks.ll -framework OpenGL`
}
# A program that uses Vk.* references the @lvk_* thunks; link them and the loader that
# fills them at run time (vk_mac.ll opens libvulkan.1.dylib - MoltenVK - when it is
# there). No Vulkan library is linked, so the program still starts on a Mac without one.
function vk_link_flags(ll: pointer) -> pointer {
if not shq(`grep -q "@lvk_" {ll}`) { return "" }
let home = ludic_home()
return ` {home}runtime/native/vk_thunks.ll {home}runtime/native/vk_mac.ll`
}
# A program that uses Http.* calls the @hs_* transport; link http.ll and Foundation only
# then, in both modes, as `ludicc -o` does (selfhost/main.ludic). Without it a Http.*
# program built through `ludic build` failed to link on every hs_* symbol.