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carry: the runtime and render3d work Maroon Lake builds against

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Input.text, App.monitor_count / window_to_monitor / window_fixed,
gl_sleep_us, and the grass and collide changes, uncommitted on main and
depended on by the game; carried here so the language work starts from
what the game actually uses. main's working tree is untouched.
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-23 15:55:02 +03:00
parent 86492064aa
commit e6f565a6c4
17 changed files with 622 additions and 34 deletions
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22
runtime/native/gl.ll
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@ -352,6 +352,28 @@ entry:
; macOS arm64: struct timeval is { time_t tv_sec (i64), suseconds_t tv_usec (i32) }
%struct.timeval64 = type { i64, i32 }
declare i32 @gettimeofday(ptr, ptr)
declare i32 @nanosleep(ptr, ptr)
; Give the CPU back for `us` microseconds. A frame limiter needs this: without a way to wait, a
; cap can only be a spin, which burns a core and cooks a laptop. The caller sleeps SHORT of its
; target and spins the last stretch, because no OS sleep is exact.
define void @gl_sleep_us(i64 %us) {
entry:
%pos = icmp sgt i64 %us, 0
br i1 %pos, label %go, label %out
go:
%ts = alloca [16 x i8], align 8
%sec = sdiv i64 %us, 1000000
%rem = srem i64 %us, 1000000
%nsec = mul i64 %rem, 1000
store i64 %sec, ptr %ts
%np = getelementptr i8, ptr %ts, i64 8
store i64 %nsec, ptr %np
%r = call i32 @nanosleep(ptr %ts, ptr null)
br label %out
out:
ret void
}
define i64 @gl_now_us() {
entry: