The GPU draws exclusively via the rotation-only `view_rot` + eye double-
single; the full view-projection survived only to project AABBs in the
CPU frustum-cull / scissor / LOD passes. Migrate those to the same
relative-to-eye math (project `point - eye` through `view_rot`) — pixel-
equivalent but precise at UTM scale — then drop the dead uniform:
- pipeline cull/scissor/LOD helpers take (view_rot, eye) instead of the
full view_proj; render.rs reconstructs eye from the uniform's
eye_high/eye_low and passes the cropped view_rot.
- Remove the `view_proj` field from the shared Uniforms struct and all six
shader structs that only declared it for layout (none read it), and
delete Camera::view_proj(). The struct shrinks by one mat4 on both
sides, keeping the Rust / WGSL layouts in lock-step.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
No GPU pipeline reads camera_pos any more — lighting and all transforms
moved to the relative-to-eye path (view_rot + eye_high/eye_low). Remove
the field from the shared Uniforms and every shader struct, plus the now
unused Camera::position_vec4. view_proj stays: the CPU frustum-cull /
scissor / LOD passes still project offset-relative AABBs with it (it is
no longer part of any GPU draw).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Append a rotation-only view-projection plus the eye split into high/low
f32 (double-single) to the shared Uniforms buffer, and the matching
Camera helpers (view_proj_rte, eye_high_low). Fields are added at the end
so existing field offsets — and every shader still reading only the
legacy view_proj — are unaffected. No shader consumes them yet; the wire
pipeline migrates first in the next step.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Move the 30 flat modules under src/scene/ into six folders by role:
convert (entity→geometry), text (fonts/shaping), model (render models),
pick (hit-test/selection/grips/xclip), view (camera/transform/render),
cache (block + property caches). pipeline/ is unchanged.
Full path migration — all `scene::X` references become
`scene::<group>::X`, no compatibility re-exports. render.rs items that
were `pub(super)` (parent was scene) become `pub(in crate::scene)` to
keep their original scene-wide visibility.
No behavior change; build and tests are green.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Add a transparency_enable uniform read by the wire shader: when the new
TPY pill is off, every line is forced opaque; when on, baked entity
transparency shows through. Toggling is a uniform write, no retessellate
(same mechanism as the lineweight-display toggle). Pill is toggleable
from the status-bar customization menu.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
LWDISPLAY (Show Lineweight) flipping the toggle no longer triggers a full
retessellate. `render_style_for` always bakes the entity's resolved (layer-
inherited) lineweight, and the wire shader reads `Uniforms.lwdisplay_enable`
to either honour the per-vertex half_width or collapse the quad to a 1 px line.
Side effect: PDF export now uses the real lineweight regardless of LWDISPLAY,
matching AutoCAD's plot semantics (LWDISPLAY only affects screen render).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Hatch fills drew the full per-family pattern loop every frame regardless
of zoom. Two LOD tiers, neither of which existed:
* **Shader-side solid substitute.** When the densest line family's
spacing × scale projects to less than 2 px, individual lines blur
into a solid color and the per-fragment family loop is wasted ALU
(and produces moiré). Pass `world_per_pixel` through Uniforms; the
hatch fragment shader now returns `h.color` directly in that case.
* **CPU-side sub-pixel skip.** When the entire hatch AABB projects
to less than 2 px, drop the draw call. Adds `world_aabb` to
HatchGpu plus a per-frame `compute_hatch_lod` pass (mirrors the
existing scissor pass) and `hatch_skip_flags`. The render pass
skips flagged hatches.
Factored a shared `aabb_below_pixel` helper for future LOD callers.
The Uniforms layout is unchanged in size (96 B) — the trailing
`_pad: vec2<f32>` becomes `world_per_pixel: f32, _pad: f32`, so wgsl
modules that don't read the new field keep working with their old
`_pad: vec2<f32>` declarations.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
