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render3d + lab: bakes as PNGs, and impostors, the sky's light and the carpet read from their bakes

Browse source 
ludic.lab: lab_png_write / lab_png_write_from (raw 8-bit, 1-4 channels, stored deflate) in png_write.ludic,
importable alone with its own LabPngState; png_convert.ludic's previews of float textures (R32F min..max,
RG16F x255, HDR x/(1+x) + sRGB); lab_ppm_to_png on the same encoder.
render3d: bake_load.ludic - impostor_from_baked / impostor_source / impostor_refill (a fog re-open reads
the bake), sky_baked_in and sky_precompute trying the bake at the start yaw (sky_compute is the
convolution, and sky_ibl_bytes always uses it), carpet_from_baked / carpet_bytes / carpet_finish,
bake_part_count / _len / _off. Compile-only: nothing run.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-29 19:10:06 +03:00
parent f79390838a
commit 6c690c5db6
15 changed files with 396 additions and 107 deletions
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packages/ludic.render3d/render.ludic
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@ -134,7 +134,7 @@ function r3d_load_step(render3d_st: mut Render3dState, i: int) -> bool {
var sky = render3d_st.r3d_sky_path
var made: string = null
if sky == null {
made = render3d_st.r3d_assets + "/hdri/kloofendal_48d_partly_cloudy_puresky_4k.hdr"
made = render3d_st.r3d_assets + "/hdri/" + SKY_DEFAULT_HDRI + ".hdr"
sky = made
}
let got = sky_load(render3d_st, sky)