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feat(lang): strict numbers in float files; render3d on float

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A numbers float file adapts decimal literals to a fixed operand or slot, and refuses to
promote a computed int to a float implicitly: there it is almost always float bits. Explicit
float(x) is always allowed.

render3d's numbers are float, converted by tools/migrate/floatbits.py - a whole-program
inference of which ints carried IEEE bits (union-find over flows, calls, returns, buffers,
nested buffers and lexical scopes) and a rewriter to operators, Math.* and float literals,
with float_bits / float_from_bits left only where bits really cross (runtime scratch
buffers, mixed buffers). Seed regenerated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-23 17:13:25 +03:00
parent 3ac0d8d5cb
commit cc89fc37a4
35 changed files with 57282 additions and 54382 deletions
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14
packages/ludic.render3d/gpu_vk_res.ludic
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@ -480,19 +480,19 @@ function gvk_compare_op(f: int) -> int {
# which is -2.0 at Performance and about -1.6 at Quality. It is applied ONLY while DLSS is live: a
# plain spatial upscale has no temporal accumulation to hide the aliasing a negative bias brings,
# so biasing there would trade blur for shimmer.
function gvk_mip_bias() -> int {
function gvk_mip_bias() -> float {
# R3D_NO_MIPBIAS=1 puts it back the way it was, so one build can be compared against itself
if r3d_env_has("R3D_NO_MIPBIAS") { return F_ZERO }
if not r3d_dlss_live() { return F_ZERO }
if r3d_env_has("R3D_NO_MIPBIAS") { return 0.0 }
if not r3d_dlss_live() { return 0.0 }
let rw = r3d_dlss_render_w()
if rw <= 0 or gl_w <= 0 or rw >= gl_w { return F_ZERO }
if rw <= 0 or gl_w <= 0 or rw >= gl_w { return 0.0 }
# log2 from the natural log the runtime has: log2(x) = ln(x) * 1/ln(2)
return f_sub(f_mul(f_log(f_div(fi(rw), fi(gl_w))), fl(1.4426950408889634)), F_ONE)
return Math.log(float(rw) / float(gl_w)) * 1.4426950408889634 - 1.0
}
# the sampler for texture tex's parameters, from the texture's own one-entry cache when they have
# not changed since it last asked - a draw asks for every texture it binds
function gvk_tex_sampler(tex: int, min_f: int, mag_f: int, wrap_s: int, wrap_t: int, compare: int, aniso: int) -> long {
let bias = gvk_mip_bias()
let bias = float_bits(gvk_mip_bias())
var sig = min_f * 31 + mag_f
sig = sig * 31 + wrap_s
sig = sig * 31 + wrap_t
@ -507,7 +507,7 @@ function gvk_tex_sampler(tex: int, min_f: int, mag_f: int, wrap_s: int, wrap_t:
return s
}
function gvk_sampler(min_f: int, mag_f: int, wrap_s: int, wrap_t: int, compare: int, aniso: int) -> long {
let bias = gvk_mip_bias()
let bias = float_bits(gvk_mip_bias())
let key = `{min_f}/{mag_f}/{wrap_s}/{wrap_t}/{compare}/{aniso}/{bias}`
if gvk_smp_keys == null { gvk_smp_keys = new []string; gvk_smp = new []long }
for i in 0 .. len(gvk_smp_keys) { if gvk_smp_keys[i] == key { return gvk_smp[i] } }