code wiki / _hdl_build / nx_aa_gate.nx

nx_aa_gate.nx

buildroot/runtime/_hdl_build/nx_aa_gate.nx

3986 B74 linesdepth 4pulls 6 transitivereach 0 importersview sourcekind gate/prooftopic aa
docsdependenciesstructsconstsfunctions

about

nx_aa_gate.nx -- ★F3 ANTI-ALIASING (SSAA 2x): render at 2x + box-downsample -> smooth edges. T1 AA replaces HARD bg->object edge transitions with soft gradients (far fewer hard transitions). T2 determinism. T3 gallery (aliased | AA). license_tier: ORIGINAL expect_exit: 0

dependencies 3 imports · 0 importers

nx_syscalls.nx nx_png.nx nx_trimesh.nx nx_aa_gate.nx

imports: nx_syscalls.nxnx_png.nxnx_trimesh.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

main hw sys_write sys_mmap tm_reset sys_mmap ↻ tm_cube tm_vert tm_quad tm_tri clearfb trimesh_zclear trimesh_render it_cos4096 it_sin4096 it_sin4096 ↻ tm_isqrt sys_mmap ↻ tm_min3 tm_min tm_max3 tm_max tm_shadow_at tm_noise3 tm_hash3 hardtrans sum3 trimesh_render_aa sys_mmap ↻ trimesh_zclear ↻ trimesh_render ↻ pn sys_mmap ↻ sys_write ↻ write_png sys_mmap ↻ png_g png_paeth png_sabs dfe_compress

structs

none

consts

23const BG: i64 = 24 + 26*256 + 34*65536
24const W: i64 = 280
25const H: i64 = 300

functions

8func hw(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
called by 1: main calls 1: sys_write
9func pn(v: i64) -> i64 { let b: *u8=sys_mmap(32) as *u8; var x: i64=v; var ng: i64=0; if x<0{ng=1;x=0-x} var i: i64=31; if x==0{b[i]=48 as u8;i=i-1} while x>0{b[i]=(48+x%10) as u8;x=x/10;i=i-1} if ng==1{b[i]=45 as u8;i=i-1} sys_write(1,(b as i64+i+1) as *u8,31-i); return 0 }
called by 1: main calls 2: sys_mmapsys_write
10func clearfb(fb: *i64, n: i64, c: i64) -> i64 { var i: i64=0; while i<n { fb[i]=c; i=i+1 } return 0 }
called by 1: main
11func sum3(p: i64) -> i64 { return (p&255) + ((p>>8)&255) + ((p>>16)&255) }
called by 1: hardtrans
13func hardtrans(fb: *i64, W: i64, H: i64, bg: i64) -> i64
called by 1: main calls 1: sum3
27func main() -> i64