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feat(gl): OpenGL 4.1 and the ludic.render3d renderer
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`Gl.*` binds the whole OpenGL 4.1 core API — every entry point of the
platform gl3.h with every GL_* constant, generated by `ludic-dev glgen`
with per-call ABI thunks. Windowed builds get an NSOpenGLContext on the
existing window at Retina resolution; headless builds render into an
offscreen CGL context, so a program that uses Gl.* renders and
screenshots identically under the test harness. It links gl.ll, the
thunks and OpenGL.framework only when used; every other build stays
byte-identical.

packages/ludic.render3d is a physically based renderer written on that
surface: HDRI image-based lighting, GPU-generated terrain with scanned
PBR materials, CDLOD, cascaded shadows, glTF with skinning, instanced
vegetation with impostors, procedural grass, water, SSAO, and an HDR
pipeline with bloom, auto-exposure and ACES.

It also carries this session's work on it: the terrain at half its cost
(10.3 -> 5.4 ms of frame), the streaming hitch that got worse the longer
you played, a resize that emptied the world, and the packaging that lets
a game use the renderer from its own repository — `ludic assets`, the
material manifest shipping with the package, and shader lookup falling
back to the install root. See changes/ for each, with its numbers.

The camping game that drove all of it has moved out to its own
repository, Maroon Lake; examples/rendering/smooth.ludic stays as the
renderer's example here.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-10 03:31:12 +03:00
parent 470971bf70
commit f25289db20
90 changed files with 35316 additions and 19853 deletions
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# ============================================================================
# ludic.render3d — a physically based 3D renderer on Gl.* (OpenGL 4.1 core).
# Import this one file; the game supplies scene_draw() / scene_draw_casters().
# ============================================================================
import "fmath.ludic"
import "prof.ludic"
import "programs.ludic"
import "texture.ludic"
import "mesh.ludic"
import "camera.ludic"
import "sky.ludic"
import "daylight.ludic"
import "terrain.ludic"
import "collide.ludic"
import "overlay.ludic"
import "shadow.ludic"
import "post.ludic"
import "quat.ludic"
import "gltf.ludic"
import "skin.ludic"
import "scatter.ludic"
import "actor.ludic"
import "stream.ludic"
import "grass.ludic"
import "water.ludic"
import "render.ludic"