forked from 1b-agent/opencadstudio-upstream
Hakan Seven
93b9a840ff
Keep storage fast paths on capable adapters and use packed or texture fallbacks only when device limits require them.\n\nCompact mesh-edge varyings to avoid WebGL shader rejection.
2549 lines
116 KiB
Rust
2549 lines
116 KiB
Rust
// GPU rendering primitives, shader::Program / shader::Primitive impls,
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// and entity render-style helpers for the Scene.
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use acadrust::tables::LineType;
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use acadrust::types::{Color as AcadColor, LineWeight};
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use acadrust::{CadDocument, EntityType, Handle};
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use glam::Mat4;
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use iced::mouse;
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use iced::widget::shader::{self, Viewport};
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use iced::{Rectangle, Size};
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use std::sync::Arc;
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use crate::scene::pipeline::viewcube::{hover_id, VIEWCUBE_PX};
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use crate::scene::pipeline::MultiPipeline;
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use crate::scene::convert::tess_util;
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use crate::scene::{
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vp_effective_scale, HatchModel, ImageModel, MeshLodSet, NavPerfSample, Scene, SceneLight,
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Uniforms, ViewportInstance, WireModel,
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};
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// ── Camera hover state (shader::Program::State) ───────────────────────────
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#[derive(Clone, Default)]
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pub struct CameraState {
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pub hover_region: Option<usize>,
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}
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// ── GPU primitive ─────────────────────────────────────────────────────────
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/// Everything needed to render one viewport: its geometry, camera, render
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/// mode, and the screen rectangle it occupies. The unified renderer carries
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/// a `Vec<ViewportData>` (one per tiled / floating viewport); each gets its
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/// own inner `Pipeline` instance drawn into its own rectangle.
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#[derive(Debug)]
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pub struct ViewportData {
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/// Stable identity of the source viewport (its entity handle / tile index /
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/// sheet role). The renderer addresses pipeline slots by list index but
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/// drops off-canvas viewports, so this lets the slot detect when it has been
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/// reused by a different viewport and reset its (index-addressed) caches.
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pub(in crate::scene) instance_id: u64,
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/// Weak resident source. Scene owns the strong Arc; retaining another one
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/// in the previous shader Primitive prevented the next UI event from
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/// splicing a changed entity in place and forced a full rebuild.
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pub(in crate::scene) wires: std::sync::Weak<Vec<WireModel>>,
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/// This content viewport's non-rectangular clip boundary (paper layouts
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/// only), as a polygon already projected into the viewport's render-target
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/// NDC. The GPU stamps it into the stencil so content is clipped to the
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/// shape. Empty for rectangular viewports, the paper sheet, and Model space.
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pub(in crate::scene) clip_boundary_ndc: Arc<Vec<[f32; 2]>>,
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/// Live command-preview / interim / grip-drag overlay wires. Kept out of
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/// the main `wires` buffer so a drag re-uploads only this small set each
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/// frame, never the resident base buffer. Drawn on top in the wire pass.
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pub(in crate::scene) preview_wires: Arc<Vec<WireModel>>,
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/// One/few live hatch models for grip editing. Uploaded through a separate
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/// tiny GPU batch so the resident hatch buffer remains untouched.
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pub(in crate::scene) preview_hatches: Arc<Vec<HatchModel>>,
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/// 3DFACE entity wires — separated so they are uploaded to the dedicated
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/// face3d pipeline (fill + batched edges) instead of N individual WireGpu.
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pub(in crate::scene) face3d_wires: Arc<Vec<WireModel>>,
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/// SDF text-quad vertices (Phase 2b). Empty unless `OCS_TEXT_SDF` is set.
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pub(in crate::scene) text_verts: Arc<Vec<crate::scene::pipeline::text_gpu::TextVertex>>,
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/// Live grip-drag / command-preview glyph quads. Kept out of the epoch-cached
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/// `text_verts` and uploaded to a per-frame buffer, so text dragged by a grip
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/// stays visible even though it's hidden from the base text set (issue #316).
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pub(in crate::scene) preview_text_verts:
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Arc<Vec<crate::scene::pipeline::text_gpu::TextVertex>>,
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/// Per-entity normalized draw-order depth (handle.value() → (0,1)), used
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/// by the wire / face3d pipelines as a clip-z bias. WireModels carry no
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/// depth field (84 construction sites); the bias is looked up by handle
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/// at GPU-upload time from this map instead.
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pub(in crate::scene) draw_depths:
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std::sync::Weak<rustc_hash::FxHashMap<u64, [f32; 2]>>,
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pub(in crate::scene) hatches: Arc<Vec<HatchModel>>,
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/// Wipeout fills — rendered in a separate pass AFTER wires.
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pub(in crate::scene) wipeout_hatches: Arc<Vec<HatchModel>>,
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pub(in crate::scene) images: Arc<Vec<ImageModel>>,
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pub(in crate::scene) meshes: Arc<Vec<MeshLodSet>>,
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pub(in crate::scene) uniforms: Uniforms,
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/// World-space camera forward — the parallel view direction. DISPSILH
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/// silhouettes use this alone (not the eye position), so the outline follows
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/// the view angle and doesn't shift with pan / perspective foreshortening.
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pub(in crate::scene) view_dir: glam::Vec3,
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/// Camera rotation matrix derived from the quaternion.
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/// Used by the ViewCube pipeline — no gimbal lock.
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pub(in crate::scene) cam_rotation: Mat4,
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/// Camera-only rotation (no UCS) for the world-fixed compass cardinals, so
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/// N/E/S/W stay aligned to world even as the cube reorients with the UCS.
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pub(in crate::scene) compass_rotation: Mat4,
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pub(in crate::scene) hover_region: Option<usize>,
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pub(in crate::scene) show_viewcube: bool,
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/// Header.fill_mode (FILLMODE): when false, hatch / wipeout / face3d-fill
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/// uploads short-circuit so the renderer draws only wireframe.
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pub(in crate::scene) fill_mode: bool,
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/// Per-view "Wireframe vs Solid" toggle. When `true`, 3D face fills
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/// are dropped on the upload path so 3D faces draw as edges only.
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/// Hatch / wipeout uploads are deliberately *not* gated by this flag —
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/// the user toggle should only affect 3D solids, not 2D fills.
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pub(in crate::scene) view_wireframe: bool,
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/// Whether the active render mode wants 3D mesh fills uploaded. Off
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/// in `Wireframe2D` / `Wireframe3D`; on for every shaded variant. Set
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/// at the same point `view_wireframe` is computed so the two stay in
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/// lock-step for the gating logic in `prepare()`.
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pub(in crate::scene) mesh_fill: bool,
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/// Whether the active render mode wants 3D mesh / face edges
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/// rendered on top of fills. Most shaded modes turn this off; the
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/// `*WithEdges` variants and the pure wireframes leave it on.
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pub(in crate::scene) show_3d_edges: bool,
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/// DISPSILH — draw view-dependent silhouette outlines on curved solid faces.
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/// A document-header global (default off), orthogonal to the visual style.
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pub(in crate::scene) display_silhouette: bool,
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/// HiddenLine routes 3D fills through a depth-only prepass so edges
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/// occluded by closer geometry are culled by the LessEqual depth
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/// test on the wire passes that follow.
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pub(in crate::scene) hidden_line: bool,
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/// Interaction LOD: when true the (per-pixel, GPU-dominating) hatch pass is
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/// skipped this frame because the view is actively being navigated. Folded
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/// into the render signature so the settle frame re-renders hatches once and
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/// the scene-render cache holds it. See [`Scene::navigating_lod`].
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pub(in crate::scene) skip_hatch: bool,
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pub(in crate::scene) geometry_epoch: u64,
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/// Camera generation captured when this Primitive was assembled. Paired
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/// with `geometry_epoch` so the per-frame scissor / LOD recompute runs.
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pub(in crate::scene) camera_generation: u64,
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/// Content id of `wires`. Stable across camera moves (the Model wire set is
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/// held static), so `prepare` skips re-uploading the world-space wire buffer
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/// when only the camera moved. Non-tile and preview/interim frames carry a
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/// fresh id each time → always re-upload.
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pub(in crate::scene) wire_content_id: u64,
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/// GPU wire-arena handoff (`OCS_WIRE_GPU_PATCH`): `(prev_gen, changed)` when
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/// this Model set reached `wire_content_id` by an incremental resident patch,
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/// so `prepare` can patch just those entities' slabs. `None` ⇒ full build.
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pub(in crate::scene) wire_patch: Option<(u64, Arc<crate::scene::WireGpuPatch>)>,
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/// Selected handles only (no hover) — solid meshes tint these blue.
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pub(in crate::scene) selected_handles: Arc<rustc_hash::FxHashSet<acadrust::Handle>>,
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/// Currently hovered handle — solid meshes tint it orange.
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pub(in crate::scene) hover_handle: Option<acadrust::Handle>,
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/// Bumped on selection / hover change. Paired with `wire_content_id` to
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/// decide when the xray overlay batch needs rebuilding.
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pub(in crate::scene) selection_generation: u64,
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/// Signature of the *selected set* only (not hover). Gates the static-buffer
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/// re-upload (hatch tint, issue #71) so a hover doesn't re-upload every
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/// hatch / face3d buffer on hatch-heavy drawings.
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pub(in crate::scene) selected_sig: u64,
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/// Screen rectangle this viewport fills, **normalized** to the widget
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/// bounds (each component in 0..1). A single full-widget view is
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/// `(0, 0, 1, 1)`; tiled / floating viewports are sub-rectangles.
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/// Normalized form lets `render()` derive the physical sub-clip from
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/// the surface clip without needing the scale factor.
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pub(in crate::scene) screen_rect: Rectangle,
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}
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#[derive(Debug)]
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pub struct Primitive {
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/// One entry per viewport drawn this frame (≥1).
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pub(in crate::scene) viewports: Vec<ViewportData>,
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/// Background color used to clear each viewport's MSAA buffer.
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pub(in crate::scene) bg_color: [f32; 4],
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/// Active Iced theme text colour for GPU-rendered ViewCube labels.
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pub(in crate::scene) viewcube_text_color: [f32; 4],
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/// One input-to-render sample, carried only when PERF tracing is enabled.
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pub(in crate::scene) nav_perf: Option<NavPerfSample>,
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}
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/// Flags the render pipeline consumes, derived from
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/// [`acadrust::entities::ViewportRenderMode`]. Each shaded variant fills
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/// 3D faces and meshes; the pure wireframes drop the fill and keep only
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/// edges. `*WithEdges` variants render both. HiddenLine uses a depth
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/// prepass: face/mesh fills are uploaded but routed through depth-only
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/// pipelines so hidden edges drop out. `FlatShaded` vs `GouraudShaded`
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/// differ in shader uniform only and produce identical fill flags here.
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#[derive(Clone, Copy, Debug)]
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pub struct RenderModeFlags {
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pub face3d_fill: bool,
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pub mesh_fill: bool,
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pub show_3d_edges: bool,
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pub hidden_line: bool,
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/// `true` for FlatShaded / FlatShadedWithEdges. The mesh shader
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/// reads `Uniforms.flat_shade` and replaces the smooth per-vertex
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/// normal with a per-triangle face normal so each triangle reads
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/// as a single tone.
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pub flat_shade: bool,
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}
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pub fn render_mode_flags(
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mode: acadrust::entities::ViewportRenderMode,
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) -> RenderModeFlags {
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use acadrust::entities::ViewportRenderMode as M;
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match mode {
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M::Wireframe2D | M::Wireframe3D => RenderModeFlags {
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face3d_fill: false,
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mesh_fill: false,
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show_3d_edges: true,
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hidden_line: false,
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flat_shade: false,
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},
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M::HiddenLine => RenderModeFlags {
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face3d_fill: true,
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mesh_fill: true,
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show_3d_edges: true,
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hidden_line: true,
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flat_shade: false,
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},
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M::FlatShaded => RenderModeFlags {
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face3d_fill: true,
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mesh_fill: true,
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show_3d_edges: false,
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hidden_line: false,
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flat_shade: true,
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},
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M::GouraudShaded => RenderModeFlags {
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face3d_fill: true,
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mesh_fill: true,
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show_3d_edges: false,
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hidden_line: false,
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flat_shade: false,
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},
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M::FlatShadedWithEdges => RenderModeFlags {
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face3d_fill: true,
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mesh_fill: true,
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show_3d_edges: true,
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hidden_line: false,
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flat_shade: true,
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},
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M::GouraudShadedWithEdges => RenderModeFlags {
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face3d_fill: true,
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mesh_fill: true,
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show_3d_edges: true,
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hidden_line: false,
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flat_shade: false,
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},
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}
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}
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// ── shader::Primitive impl ────────────────────────────────────────────────
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impl shader::Primitive for Primitive {
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type Pipeline = MultiPipeline;
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fn prepare(
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&self,
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pipeline: &mut MultiPipeline,
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device: &iced::wgpu::Device,
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queue: &iced::wgpu::Queue,
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bounds: &Rectangle,
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viewport: &Viewport,
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) {
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let nav_prepare_started = iced::time::Instant::now();
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let phys = viewport.physical_size();
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let full_size = Size::new(phys.width, phys.height);
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let scale = viewport.scale_factor() as f32;
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let instance_ids: Vec<u64> = self.viewports.iter().map(|vp| vp.instance_id).collect();
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let slots = pipeline.resolve_slots(device, queue, &instance_ids);
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for (i, vp) in self.viewports.iter().enumerate() {
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let inner = &mut pipeline.inners[slots[i]];
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// Pipeline slots are addressed by list index, but off-canvas
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// viewports are dropped from the list — so a slot can be reused by a
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// DIFFERENT viewport across frames (e.g. the first viewport scrolls
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// off the canvas and the second slides into its slot). When that
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// happens every cache key below belongs to the previous occupant;
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// reset them so wires, text, hatches, meshes and Face3D all
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// re-upload for the new viewport instead of showing the previous
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// one's (differently frustum-culled) content — which otherwise makes
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// the surviving viewport's text/geometry vanish.
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if inner.slot_id != vp.instance_id {
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inner.slot_id = vp.instance_id;
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inner.cached_epoch = (u64::MAX, u64::MAX, u64::MAX);
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inner.cached_wire_id = u64::MAX;
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inner.cached_selection = (u64::MAX, u64::MAX);
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inner.cached_mesh_content_id = u64::MAX;
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inner.cached_face3d_key = (u64::MAX, false);
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inner.cached_hatch_source = None;
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inner.cached_preview_hatch_source = None;
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inner.cached_wipeout_source = None;
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inner.cached_image_source = None;
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inner.cached_text_source = None;
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inner.cached_mesh_source = None;
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inner.cached_face3d_source = None;
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inner.cached_face3d_depth_source = None;
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inner.wire_cull_key = (u64::MAX, u64::MAX, 0, 0);
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inner.hatch_lod_key = (usize::MAX, u64::MAX, 0, 0, false);
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inner.wipeout_lod_key = (usize::MAX, u64::MAX, 0, 0, false);
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inner.mesh_lod_key = (usize::MAX, u64::MAX, 0, 0);
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inner.render_sig = u64::MAX;
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}
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// The MSAA / depth / resolve textures are always sized to the
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// FULL viewport rectangle (not the on-canvas-visible portion)
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// so the camera matrices render at consistent aspect / scale.
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// The blit step picks the visible sub-rectangle out via the
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// shader's UV crop uniform, which lets partially off-canvas
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// viewports composite to their visible surface area without
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// drift.
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let clip_size = Size::new(
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(vp.screen_rect.width * bounds.width * scale).ceil().max(1.0) as u32,
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(vp.screen_rect.height * bounds.height * scale).ceil().max(1.0) as u32,
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);
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inner.ensure_depth_texture(device, clip_size);
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inner.viewcube.ensure_depth_texture(device, full_size);
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// Compute the UV crop for this viewport. `screen_rect` is in
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// normalized canvas units (0..1) but may extend negative or
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// beyond 1 when the viewport hangs off the canvas. The on-
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// canvas portion in viewport-local UV is straightforward to
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// derive from how much sticks out on each side.
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let sr = vp.screen_rect;
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let (uo_x, us_x) = uv_crop_axis(sr.x, sr.width);
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let (uo_y, us_y) = uv_crop_axis(sr.y, sr.height);
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inner.upload_blit_uv(queue, [uo_x, uo_y], [us_x, us_y]);
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inner.upload_uniforms(queue, &vp.uniforms);
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// ── Scene-render cache ────────────────────────────────────────
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// A pure cursor move — or any frame where the view, geometry,
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// selection and live preview are all unchanged — produces a
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// pixel-identical image. The resolve texture still holds it, so we
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// skip every geometry pass + the MSAA resolve (in `Pipeline::render`
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// via `skip_geometry`) and its per-frame O(N) scissor / LOD
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// recompute below, letting the frame reduce to a single blit. This
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// is the main fix for the per-mouse-move stall that scales with
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// drawing size. The ViewCube is excluded from the signature and
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// keeps updating in its own always-on pass, so cube hover still
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// tracks while the scene is cached.
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let sig = render_signature(vp, clip_size.width, clip_size.height);
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let skip = inner.render_sig != u64::MAX && sig == inner.render_sig;
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inner.render_sig = sig;
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inner.skip_geometry = skip;
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// Interaction LOD: skip the hatch draw this frame while navigating.
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inner.skip_hatch_frame = vp.skip_hatch;
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if skip {
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if vp.show_viewcube {
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inner.viewcube.upload(
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queue,
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vp.cam_rotation,
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vp.compass_rotation,
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(vp.screen_rect.width * bounds.width) as u32,
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(vp.screen_rect.height * bounds.height) as u32,
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vp.hover_region,
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self.viewcube_text_color,
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);
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}
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continue;
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}
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let Some(vp_wires) = vp.wires.upgrade() else {
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continue;
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};
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let Some(draw_depths) = vp.draw_depths.upgrade() else {
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continue;
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};
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// Third component is the *selected-set* signature (not
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// selection_generation, which also bumps on hover) so a rollover
|
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// doesn't re-upload the static hatch / face3d buffers.
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let cur_key = (vp.geometry_epoch, vp.camera_generation, vp.selected_sig);
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let fill_mode = vp.fill_mode;
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// 3D face fill requires *both* the doc-level FILLMODE *and* the
|
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// per-view Solid toggle. Hatches / wipeouts deliberately ignore
|
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// the view toggle so 2D fills stay on even when the user picks
|
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// the Wireframe overlay style.
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let face3d_fill_active = fill_mode && !vp.view_wireframe;
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let fill_changed = inner.cached_fill_mode != fill_mode;
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let hatch_changed = inner
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.cached_hatch_source
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.as_ref()
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.map_or(true, |source| !Arc::ptr_eq(source, &vp.hatches));
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let wipeout_changed = inner
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.cached_wipeout_source
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.as_ref()
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.map_or(true, |source| !Arc::ptr_eq(source, &vp.wipeout_hatches));
|
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if hatch_changed || fill_changed {
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inner.upload_hatches(
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device,
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queue,
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if fill_mode { &vp.hatches[..] } else { &[] },
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);
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inner.cached_hatch_source = Some(Arc::clone(&vp.hatches));
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}
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let preview_hatch_changed = inner
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.cached_preview_hatch_source
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.as_ref()
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.map_or(true, |source| !Arc::ptr_eq(source, &vp.preview_hatches));
|
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if preview_hatch_changed || fill_changed {
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inner.upload_preview_hatches(
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device,
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queue,
|
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if fill_mode {
|
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&vp.preview_hatches[..]
|
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} else {
|
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&[]
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},
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);
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inner.cached_preview_hatch_source =
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Some(Arc::clone(&vp.preview_hatches));
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}
|
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if wipeout_changed || fill_changed {
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inner.upload_wipeouts(
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device,
|
||
if fill_mode {
|
||
&vp.wipeout_hatches[..]
|
||
} else {
|
||
&[]
|
||
},
|
||
);
|
||
inner.cached_wipeout_source = Some(Arc::clone(&vp.wipeout_hatches));
|
||
}
|
||
if inner
|
||
.cached_image_source
|
||
.as_ref()
|
||
.map_or(true, |source| !Arc::ptr_eq(source, &vp.images))
|
||
{
|
||
inner.upload_images(device, queue, &vp.images[..]);
|
||
inner.cached_image_source = Some(Arc::clone(&vp.images));
|
||
}
|
||
if inner
|
||
.cached_text_source
|
||
.as_ref()
|
||
.map_or(true, |source| !Arc::ptr_eq(source, &vp.text_verts))
|
||
{
|
||
inner.upload_text(device, queue, &vp.text_verts[..]);
|
||
inner.cached_text_source = Some(Arc::clone(&vp.text_verts));
|
||
}
|
||
inner.cached_fill_mode = fill_mode;
|
||
inner.cached_epoch = cur_key;
|
||
// Face3D edge/fill buffers are world-space and selection-independent
|
||
// (upload_face3d takes no selection input), so they only change with
|
||
// the geometry or the 3D-fill toggle — never on a pan/orbit. Gating
|
||
// on its category sources plus the stable wire content id avoids
|
||
// rebuilding it when another entity category alone changes. Never
|
||
// retain `vp.wires` here: Scene needs unique ownership to splice a
|
||
// one-entity edit into the resident set.
|
||
let face_pass_unchanged = vp
|
||
.wire_patch
|
||
.as_ref()
|
||
.is_some_and(|(_, patch)| !patch.face_pass_changed);
|
||
let face3d_changed = inner
|
||
.cached_face3d_source
|
||
.as_ref()
|
||
.map_or(true, |source| !Arc::ptr_eq(source, &vp.face3d_wires))
|
||
|| inner
|
||
.cached_face3d_depth_source
|
||
.as_ref()
|
||
.and_then(std::sync::Weak::upgrade)
|
||
.map_or(true, |source| !Arc::ptr_eq(&source, &draw_depths))
|
||
|| (inner.cached_face3d_key.0 != vp.wire_content_id
|
||
&& !face_pass_unchanged);
|
||
if face3d_changed || face3d_fill_active != inner.cached_face3d_key.1 {
|
||
inner.upload_face3d(
|
||
device,
|
||
&vp.face3d_wires[..],
|
||
&vp_wires[..],
|
||
!face3d_fill_active,
|
||
&draw_depths,
|
||
);
|
||
inner.cached_face3d_source = Some(Arc::clone(&vp.face3d_wires));
|
||
inner.cached_face3d_depth_source = Some(Arc::downgrade(&draw_depths));
|
||
}
|
||
inner.cached_face3d_key = (vp.wire_content_id, face3d_fill_active);
|
||
// Wire buffers are world-space, so a camera move alone doesn't
|
||
// change them — only the view_proj uniform (uploaded every frame).
|
||
// Gate the upload on the wire content id instead of the camera tick:
|
||
// the Model wire set is held static, so its id is unchanged across
|
||
// camera moves and the vertex re-pack + GPU write is skipped. Kept
|
||
// independent of the `cur_key` block so a preview/interim wire change
|
||
// still uploads even when the camera didn't move.
|
||
if vp.wire_content_id != inner.cached_wire_id {
|
||
// Persistent per-entity wire arena (OCS_WIRE_GPU_PATCH): patch
|
||
// just the changed entities' instance slabs instead of rebuilding
|
||
// the whole wire buffer. Only for the scissor-free, mesh-free
|
||
// (single-batch) Model set; scissored paper viewports and mixed
|
||
// 2D/3D sets fall through to the shared batched path below.
|
||
let mut arena_served = false;
|
||
let _perf = crate::perf::enabled();
|
||
let _t0 = iced::time::Instant::now();
|
||
let mut _patched = false;
|
||
// Storage arenas preserve the existing per-slot fast path.
|
||
// Packed arenas start only after the first edit (cold-open keeps
|
||
// the exact-sized shared buffer), and one slot owns each shared
|
||
// content id so split panes do not duplicate 1.5× headroom.
|
||
let packed_arena_owner = self.viewports[..i]
|
||
.iter()
|
||
.all(|other| other.wire_content_id != vp.wire_content_id);
|
||
let use_wire_arena = crate::scene::wire_gpu_patch_enabled()
|
||
&& (inner.wire_const_bgl.is_some()
|
||
|| ((vp.wire_patch.is_some()
|
||
|| inner.wire_arena_id != u64::MAX)
|
||
&& packed_arena_owner));
|
||
if use_wire_arena {
|
||
use crate::scene::pipeline::wire_arena::{
|
||
self, PersistentWireArena as WireArena,
|
||
};
|
||
let const_bgl = inner.wire_const_bgl.as_ref();
|
||
let base_ok = vp
|
||
.wire_patch
|
||
.as_ref()
|
||
.map_or(false, |(base, patch)| {
|
||
inner.wire_arena_id == *base && !patch.changes.is_empty()
|
||
});
|
||
let patch = vp.wire_patch.as_ref().map(|(_, patch)| patch);
|
||
if _perf {
|
||
crate::perf_record!(
|
||
"[perf] arena-base ok={} held={} patch={:?} changes={}",
|
||
base_ok,
|
||
inner.wire_arena_id,
|
||
vp.wire_patch.as_ref().map(|(base, _)| *base),
|
||
patch.map_or(0, |p| p.changes.len()),
|
||
);
|
||
}
|
||
|
||
// Split only changed runs on a patch. The previous path
|
||
// scanned/parses all resident wires repeatedly here even
|
||
// though WireArena emits just one changed entity.
|
||
let mut regular_changed: rustc_hash::FxHashMap<
|
||
acadrust::Handle,
|
||
Vec<&crate::scene::WireModel>,
|
||
> = rustc_hash::FxHashMap::default();
|
||
let mut mesh_changed: rustc_hash::FxHashMap<
|
||
acadrust::Handle,
|
||
Vec<&crate::scene::WireModel>,
|
||
> = rustc_hash::FxHashMap::default();
|
||
if let Some(patch) = patch {
|
||
for &(handle, _) in patch.changes.iter() {
|
||
let run = patch
|
||
.runs
|
||
.get(&handle)
|
||
.map(|wires| wires.as_slice())
|
||
.unwrap_or(&[]);
|
||
let mesh_entity = run
|
||
.iter()
|
||
.any(|w| !w.fill_tris.is_empty() && !w.fill_tris_low.is_empty());
|
||
regular_changed.insert(
|
||
handle,
|
||
run.iter()
|
||
.filter(|w| !w.points.is_empty() && !mesh_entity)
|
||
.collect(),
|
||
);
|
||
mesh_changed.insert(
|
||
handle,
|
||
run.iter()
|
||
.filter(|w| !w.points.is_empty() && mesh_entity)
|
||
.collect(),
|
||
);
|
||
}
|
||
}
|
||
let fallback_touched = |mesh_edge: bool| {
|
||
patch.map_or(true, |patch| {
|
||
patch.changes.iter().any(|(handle, _)| {
|
||
inner.wire_arena_fallback_handles.contains(handle)
|
||
|| if mesh_edge {
|
||
mesh_changed.get(handle).is_some_and(|run| !run.is_empty())
|
||
} else {
|
||
regular_changed
|
||
.get(handle)
|
||
.is_some_and(|run| !run.is_empty())
|
||
}
|
||
})
|
||
})
|
||
};
|
||
let reg_ok = base_ok
|
||
&& if let Some(arena) = inner.wire_arena.as_mut() {
|
||
let patch = patch.unwrap();
|
||
arena.patch(
|
||
queue,
|
||
&patch.changes,
|
||
®ular_changed,
|
||
patch.new_handles_are_suffix,
|
||
&draw_depths,
|
||
)
|
||
} else {
|
||
inner.wire_arena_fallback_kind == Some(false)
|
||
&& !fallback_touched(false)
|
||
};
|
||
let mesh_ok = base_ok
|
||
&& if let Some(arena) = inner.wire_arena_mesh.as_mut() {
|
||
let patch = patch.unwrap();
|
||
arena.patch(
|
||
queue,
|
||
&patch.changes,
|
||
&mesh_changed,
|
||
patch.new_handles_are_suffix,
|
||
&draw_depths,
|
||
)
|
||
} else {
|
||
inner.wire_arena_fallback_kind == Some(true)
|
||
&& !fallback_touched(true)
|
||
};
|
||
if !reg_ok || !mesh_ok {
|
||
// Initial upload or a patch that outgrew arena capacity:
|
||
// only then pay the full regular/mesh split.
|
||
let mesh_names: rustc_hash::FxHashSet<u64> = vp_wires
|
||
.iter()
|
||
.filter(|w| !w.fill_tris.is_empty() && !w.fill_tris_low.is_empty())
|
||
.filter_map(|w| w.name.parse::<u64>().ok())
|
||
.collect();
|
||
let regular: Vec<&crate::scene::WireModel> = vp_wires
|
||
.iter()
|
||
.filter(|w| {
|
||
!w.points.is_empty()
|
||
&& !wire_arena::is_mesh_edge(w, &mesh_names)
|
||
})
|
||
.collect();
|
||
let mesh: Vec<&crate::scene::WireModel> = vp_wires
|
||
.iter()
|
||
.filter(|w| wire_arena::is_mesh_edge(w, &mesh_names))
|
||
.collect();
|
||
if !reg_ok {
|
||
inner.wire_arena = WireArena::build(
|
||
device,
|
||
queue,
|
||
®ular,
|
||
&draw_depths,
|
||
const_bgl,
|
||
false,
|
||
);
|
||
if inner.wire_arena.is_none() && !regular.is_empty() {
|
||
inner.wire_arena_fallback = std::sync::Arc::new(
|
||
crate::scene::pipeline::WireGpu::from_run_refs(
|
||
device,
|
||
®ular,
|
||
&draw_depths,
|
||
false,
|
||
const_bgl,
|
||
),
|
||
);
|
||
inner.wire_arena_fallback_kind = Some(false);
|
||
inner.wire_arena_fallback_handles = regular
|
||
.iter()
|
||
.filter_map(|wire| {
|
||
wire.name
|
||
.parse::<u64>()
|
||
.ok()
|
||
.map(acadrust::Handle::new)
|
||
})
|
||
.collect();
|
||
} else if inner.wire_arena_fallback_kind == Some(false) {
|
||
inner.wire_arena_fallback =
|
||
std::sync::Arc::new(Vec::new());
|
||
inner.wire_arena_fallback_kind = None;
|
||
inner.wire_arena_fallback_handles.clear();
|
||
}
|
||
}
|
||
if !mesh_ok {
|
||
inner.wire_arena_mesh = WireArena::build(
|
||
device,
|
||
queue,
|
||
&mesh,
|
||
&draw_depths,
|
||
const_bgl,
|
||
true,
|
||
);
|
||
if inner.wire_arena_mesh.is_none() && !mesh.is_empty() {
|
||
inner.wire_arena_fallback = std::sync::Arc::new(
|
||
crate::scene::pipeline::WireGpu::from_run_refs(
|
||
device,
|
||
&mesh,
|
||
&draw_depths,
|
||
true,
|
||
const_bgl,
|
||
),
|
||
);
|
||
inner.wire_arena_fallback_kind = Some(true);
|
||
inner.wire_arena_fallback_handles = mesh
|
||
.iter()
|
||
.filter_map(|wire| {
|
||
wire.name
|
||
.parse::<u64>()
|
||
.ok()
|
||
.map(acadrust::Handle::new)
|
||
})
|
||
.collect();
|
||
} else if inner.wire_arena_fallback_kind == Some(true) {
|
||
inner.wire_arena_fallback =
|
||
std::sync::Arc::new(Vec::new());
|
||
inner.wire_arena_fallback_kind = None;
|
||
inner.wire_arena_fallback_handles.clear();
|
||
}
|
||
}
|
||
}
|
||
_patched = reg_ok && mesh_ok;
|
||
|
||
let regular_ready = inner.wire_arena.is_some()
|
||
|| inner.wire_arena_fallback_kind == Some(false);
|
||
let mesh_ready = inner.wire_arena_mesh.is_some()
|
||
|| inner.wire_arena_fallback_kind == Some(true);
|
||
if regular_ready
|
||
&& mesh_ready
|
||
&& (inner.wire_arena.is_some() || inner.wire_arena_mesh.is_some())
|
||
{
|
||
let mut gpus = if inner.wire_arena_fallback_kind == Some(false) {
|
||
inner.wire_arena_fallback.as_ref().clone()
|
||
} else {
|
||
inner
|
||
.wire_arena
|
||
.as_ref()
|
||
.map(WireArena::wire_gpus)
|
||
.unwrap_or_default()
|
||
};
|
||
if inner.wire_arena_fallback_kind == Some(true) {
|
||
gpus.extend(inner.wire_arena_fallback.iter().cloned());
|
||
} else if let Some(arena) = inner.wire_arena_mesh.as_ref() {
|
||
gpus.extend(arena.wire_gpus());
|
||
}
|
||
inner.gpu_wires = std::sync::Arc::new(gpus);
|
||
if _patched {
|
||
wire_arena::patch_handle_index(
|
||
&mut inner.wire_handle_index,
|
||
&patch.unwrap().index_edits,
|
||
);
|
||
} else {
|
||
inner.wire_handle_index =
|
||
wire_arena::build_handle_index(&vp_wires[..]);
|
||
}
|
||
inner.wire_arena_id = vp.wire_content_id;
|
||
arena_served = true;
|
||
} else {
|
||
inner.wire_arena = None;
|
||
inner.wire_arena_mesh = None;
|
||
inner.wire_arena_fallback = std::sync::Arc::new(Vec::new());
|
||
inner.wire_arena_fallback_kind = None;
|
||
inner.wire_arena_fallback_handles.clear();
|
||
inner.wire_arena_id = u64::MAX;
|
||
}
|
||
} else if inner.wire_const_bgl.is_none() {
|
||
// This packed slot is no longer the owner of its shared
|
||
// content. Drop stale arena state before the shared-cache
|
||
// buffer is installed; otherwise the camera-cull refresh
|
||
// below could resurrect its old draw ranges.
|
||
inner.wire_arena = None;
|
||
inner.wire_arena_mesh = None;
|
||
inner.wire_arena_fallback = std::sync::Arc::new(Vec::new());
|
||
inner.wire_arena_fallback_kind = None;
|
||
inner.wire_arena_fallback_handles.clear();
|
||
inner.wire_arena_id = u64::MAX;
|
||
}
|
||
// Share one copy of the resident wire buffers across every slot
|
||
// (and every pane — one MultiPipeline backs them all) rendering
|
||
// this content id: build on a cache miss, then hand out Arc
|
||
// clones. Two paper viewports showing the same model, or four
|
||
// Model tiles, upload the wire vertices once between them.
|
||
// `.cloned()` releases the immutable cache borrow before the
|
||
// miss branch takes a mutable one.
|
||
if !arena_served {
|
||
let cached = pipeline
|
||
.wire_buffer_cache
|
||
.get(&vp.wire_content_id)
|
||
.cloned();
|
||
let built = match cached {
|
||
Some(entry) => entry,
|
||
None => {
|
||
let entry =
|
||
inner.build_wire_buffers(device, &vp_wires[..], &draw_depths);
|
||
pipeline
|
||
.wire_buffer_cache
|
||
.insert(vp.wire_content_id, entry.clone());
|
||
// Evict entries no slot still holds (only the cache
|
||
// references them). An entry drawn by any pane keeps a
|
||
// strong count ≥ 2, so this never drops live geometry.
|
||
if pipeline.wire_buffer_cache.len() > 16 {
|
||
pipeline
|
||
.wire_buffer_cache
|
||
.retain(|_, (w, _)| std::sync::Arc::strong_count(w) > 1);
|
||
}
|
||
entry
|
||
}
|
||
};
|
||
inner.gpu_wires = built.0;
|
||
inner.wire_handle_index = built.1;
|
||
} // end !arena_served
|
||
inner.cached_wire_id = vp.wire_content_id;
|
||
if _perf {
|
||
let gi: u32 = inner.gpu_wires.iter().map(|w| w.instance_count).sum();
|
||
let outcome = if !arena_served {
|
||
"shared-fullupload"
|
||
} else if _patched {
|
||
"arena-patch"
|
||
} else if inner.wire_arena_fallback_kind.is_some() {
|
||
"arena-hybrid"
|
||
} else {
|
||
"arena-build"
|
||
};
|
||
crate::perf_record!(
|
||
"[perf] wire {:>7.1}ms {:<18} wires={} gpu_instances={}",
|
||
_t0.elapsed().as_secs_f64() * 1000.0,
|
||
outcome,
|
||
vp_wires.len(),
|
||
gi,
|
||
);
|
||
}
|
||
}
|
||
// Selection xray overlay — rebuilt when the selection changes or the
|
||
// underlying wires changed. A pick bumps only selection_generation,
|
||
// so this refreshes without re-tessellating or re-uploading the main
|
||
// wire buffers.
|
||
let sel_key = (vp.wire_content_id, vp.selection_generation);
|
||
let highlighted_geometry_unchanged =
|
||
vp.selected_handles.is_empty() && vp.hover_handle.is_none()
|
||
|| vp.wire_patch.as_ref().is_some_and(|(previous, patch)| {
|
||
*previous == inner.cached_selection.0
|
||
&& patch.changes.iter().all(|(handle, _)| {
|
||
!vp.selected_handles.contains(handle)
|
||
&& vp.hover_handle != Some(*handle)
|
||
})
|
||
});
|
||
let selection_changed = inner.cached_selection.1 != vp.selection_generation;
|
||
let highlighted_geometry_changed = inner.cached_selection.0
|
||
!= vp.wire_content_id
|
||
&& !highlighted_geometry_unchanged;
|
||
if selection_changed || highlighted_geometry_changed {
|
||
inner.upload_selected_wires(
|
||
device,
|
||
&vp_wires[..],
|
||
&vp.selected_handles,
|
||
vp.hover_handle,
|
||
&draw_depths,
|
||
);
|
||
// Text highlight rides the same selection key: a pick / rollover
|
||
// recolours the selected / hovered glyphs without touching the
|
||
// base text buffer.
|
||
inner.upload_text_highlight(
|
||
device,
|
||
&vp_wires[..],
|
||
&vp.selected_handles,
|
||
vp.hover_handle,
|
||
);
|
||
}
|
||
// Advance the content id even when an unrelated entity patch kept
|
||
// the existing overlay valid, so future deltas compare to the
|
||
// arena generation actually on screen.
|
||
inner.cached_selection = sel_key;
|
||
// Batched solid meshes stay resident while unrelated entity
|
||
// categories change.
|
||
if inner
|
||
.cached_mesh_source
|
||
.as_ref()
|
||
.map_or(true, |source| !Arc::ptr_eq(source, &vp.meshes))
|
||
{
|
||
let patched = vp.wire_patch.as_ref().is_some_and(|(previous, patch)| {
|
||
*previous == inner.cached_mesh_content_id
|
||
&& inner.patch_mesh_batch(
|
||
device,
|
||
queue,
|
||
&vp.meshes[..],
|
||
&patch.changes,
|
||
)
|
||
});
|
||
if !patched {
|
||
inner.upload_mesh_batch(device, queue, &vp.meshes[..]);
|
||
}
|
||
inner.cached_mesh_source = Some(Arc::clone(&vp.meshes));
|
||
}
|
||
inner.cached_mesh_content_id = vp.wire_content_id;
|
||
// Selection / hover highlight overlay — tinted copies of just the
|
||
// picked solids, rebuilt only when the highlight set (or geometry)
|
||
// changes. Drawn over the static batch so the base never re-packs.
|
||
let hl_key = (
|
||
Arc::as_ptr(&vp.meshes) as usize as u64,
|
||
vp.selection_generation,
|
||
);
|
||
if hl_key != inner.cached_highlight_key {
|
||
inner.update_mesh_highlight(&vp.selected_handles, vp.hover_handle);
|
||
inner.cached_highlight_key = hl_key;
|
||
}
|
||
// Live overlay (command preview / interim / grip drag) — small and
|
||
// refreshed every frame it's present, so a drag never re-uploads
|
||
// the resident base wire buffer.
|
||
inner.upload_preview_wires(device, &vp.preview_wires[..], &draw_depths);
|
||
inner.upload_preview_text(device, queue, &vp.preview_text_verts[..]);
|
||
// Cull / scissor / LOD project AABBs relative-to-eye (matching the
|
||
// GPU's RTE path) so the math stays precise at UTM-scale coords.
|
||
let view_rot = vp.uniforms.view_rot;
|
||
let eye = glam::DVec3::new(
|
||
vp.uniforms.eye_high[0] as f64 + vp.uniforms.eye_low[0] as f64,
|
||
vp.uniforms.eye_high[1] as f64 + vp.uniforms.eye_low[1] as f64,
|
||
vp.uniforms.eye_high[2] as f64 + vp.uniforms.eye_low[2] as f64,
|
||
);
|
||
// DISPSILH: rebuild view-dependent silhouettes each frame (off by
|
||
// default, so this is a no-op unless the drawing enables it). Only
|
||
// in modes that draw edges — pure shaded hides them.
|
||
if vp.display_silhouette && (vp.view_wireframe || vp.show_3d_edges) {
|
||
inner.upload_silhouettes(device, &vp.meshes[..], vp.view_dir);
|
||
} else {
|
||
inner.upload_silhouettes(device, &[], vp.view_dir);
|
||
}
|
||
inner.upload_clip_boundary(device, &vp.clip_boundary_ndc);
|
||
let hatch_lod_key = (
|
||
Arc::as_ptr(&vp.hatches) as usize,
|
||
vp.camera_generation,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
fill_mode,
|
||
);
|
||
if inner.hatch_lod_key != hatch_lod_key {
|
||
inner.compute_hatch_lod(queue, view_rot, eye, clip_size.width, clip_size.height);
|
||
inner.hatch_lod_key = hatch_lod_key;
|
||
}
|
||
let wipeout_lod_key = (
|
||
Arc::as_ptr(&vp.wipeout_hatches) as usize,
|
||
vp.camera_generation,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
fill_mode,
|
||
);
|
||
if inner.wipeout_lod_key != wipeout_lod_key {
|
||
inner.compute_wipeout_lod(view_rot, eye, clip_size.width, clip_size.height);
|
||
inner.wipeout_lod_key = wipeout_lod_key;
|
||
}
|
||
let mesh_lod_key = (
|
||
Arc::as_ptr(&vp.meshes) as usize,
|
||
vp.camera_generation,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
);
|
||
if inner.mesh_lod_key != mesh_lod_key {
|
||
inner.compute_mesh_lod(
|
||
queue,
|
||
view_rot,
|
||
eye,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
);
|
||
inner.mesh_lod_key = mesh_lod_key;
|
||
}
|
||
let cull_key = (
|
||
vp.wire_content_id,
|
||
vp.camera_generation,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
);
|
||
if inner.wire_arena_id == vp.wire_content_id
|
||
&& inner.wire_cull_key != cull_key
|
||
{
|
||
let mut visible = if inner.wire_arena_fallback_kind == Some(false) {
|
||
inner.wire_arena_fallback.as_ref().clone()
|
||
} else {
|
||
inner
|
||
.wire_arena
|
||
.as_ref()
|
||
.map(|arena| {
|
||
arena.wire_gpus_visible(
|
||
view_rot,
|
||
eye,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
)
|
||
})
|
||
.unwrap_or_default()
|
||
};
|
||
if inner.wire_arena_fallback_kind == Some(true) {
|
||
visible.extend(inner.wire_arena_fallback.iter().cloned());
|
||
} else if let Some(arena) = inner.wire_arena_mesh.as_ref() {
|
||
visible.extend(arena.wire_gpus_visible(
|
||
view_rot,
|
||
eye,
|
||
clip_size.width,
|
||
clip_size.height,
|
||
));
|
||
}
|
||
inner.gpu_wires = std::sync::Arc::new(visible);
|
||
inner.wire_cull_key = cull_key;
|
||
}
|
||
if vp.show_viewcube {
|
||
inner.viewcube.upload(
|
||
queue,
|
||
vp.cam_rotation,
|
||
vp.compass_rotation,
|
||
(vp.screen_rect.width * bounds.width) as u32,
|
||
(vp.screen_rect.height * bounds.height) as u32,
|
||
vp.hover_region,
|
||
self.viewcube_text_color,
|
||
);
|
||
}
|
||
}
|
||
let prepare_ms = nav_prepare_started.elapsed().as_secs_f64() * 1000.0;
|
||
if let Some(sample) = self.nav_perf {
|
||
crate::perf::record(format_args!(
|
||
"[perf] nav-prepare op={} space={} mode={} input={:.2}ms build={:.2}ms prepare={:.2}ms elapsed={:.2}ms viewports={}",
|
||
sample.op.label(),
|
||
sample.space,
|
||
sample.mode,
|
||
sample.input_ms,
|
||
sample.build_ms,
|
||
prepare_ms,
|
||
sample.started.elapsed().as_secs_f64() * 1000.0,
|
||
self.viewports.len(),
|
||
));
|
||
} else if crate::perf::enabled() && prepare_ms >= 5.0 {
|
||
crate::perf_record!(
|
||
"[perf] frame-prepare {:>7.1}ms viewports={}",
|
||
prepare_ms,
|
||
self.viewports.len(),
|
||
);
|
||
}
|
||
}
|
||
|
||
fn render(
|
||
&self,
|
||
pipeline: &MultiPipeline,
|
||
encoder: &mut iced::wgpu::CommandEncoder,
|
||
target: &iced::wgpu::TextureView,
|
||
clip: &Rectangle<u32>,
|
||
) {
|
||
let nav_render_started = iced::time::Instant::now();
|
||
let cw = clip.width as f32;
|
||
let ch = clip.height as f32;
|
||
let clip_right = clip.x + clip.width;
|
||
let clip_bottom = clip.y + clip.height;
|
||
for vp in &self.viewports {
|
||
let Some(slot) = pipeline.slot_by_instance.get(&vp.instance_id) else {
|
||
continue;
|
||
};
|
||
let Some(inner) = pipeline.inners.get(*slot) else {
|
||
continue;
|
||
};
|
||
// Where the viewport would land on the surface in absolute
|
||
// pixels (i32 because either edge may stick off the canvas).
|
||
let vp_full_x = clip.x as i32 + (vp.screen_rect.x * cw) as i32;
|
||
let vp_full_y = clip.y as i32 + (vp.screen_rect.y * ch) as i32;
|
||
let vp_full_w = (vp.screen_rect.width * cw).max(1.0) as i32;
|
||
let vp_full_h = (vp.screen_rect.height * ch).max(1.0) as i32;
|
||
// Intersect with the surface clip — that's the slice we blit.
|
||
let dest_x = vp_full_x.max(clip.x as i32);
|
||
let dest_y = vp_full_y.max(clip.y as i32);
|
||
let dest_right = (vp_full_x + vp_full_w).min(clip_right as i32);
|
||
let dest_bottom = (vp_full_y + vp_full_h).min(clip_bottom as i32);
|
||
if dest_right <= dest_x || dest_bottom <= dest_y {
|
||
continue;
|
||
}
|
||
let surface_dest = Rectangle {
|
||
x: dest_x as u32,
|
||
y: dest_y as u32,
|
||
width: (dest_right - dest_x) as u32,
|
||
height: (dest_bottom - dest_y) as u32,
|
||
};
|
||
let vp_size = Size::new(vp_full_w.max(1) as u32, vp_full_h.max(1) as u32);
|
||
// `mesh_fill` is false for Wireframe 2D / Wireframe 3D — flip
|
||
// the draw path so meshes use the wireframe pipeline + the
|
||
// pre-built triangle-edge index buffer.
|
||
let mesh_wireframe = !vp.mesh_fill;
|
||
inner.render(
|
||
encoder,
|
||
target,
|
||
vp_size,
|
||
surface_dest,
|
||
self.bg_color,
|
||
mesh_wireframe,
|
||
vp.hidden_line,
|
||
vp.show_3d_edges,
|
||
);
|
||
// The ViewCube renders directly to the surface at the full
|
||
// viewport rect. Skip it when the viewport's top-right corner
|
||
// (where the cube sits) is off-canvas — wgpu's `set_viewport`
|
||
// rejects negative origins, and a clamped cube would scale
|
||
// distortedly. The active viewport is normally fully visible.
|
||
if vp.show_viewcube
|
||
&& vp_full_x >= clip.x as i32
|
||
&& vp_full_y >= clip.y as i32
|
||
&& vp_full_x + vp_full_w <= clip_right as i32
|
||
&& vp_full_y + vp_full_h <= clip_bottom as i32
|
||
{
|
||
let vp_clip = Rectangle {
|
||
x: vp_full_x as u32,
|
||
y: vp_full_y as u32,
|
||
width: vp_full_w as u32,
|
||
height: vp_full_h as u32,
|
||
};
|
||
inner.viewcube.render(encoder, target, vp_clip);
|
||
}
|
||
}
|
||
let render_ms = nav_render_started.elapsed().as_secs_f64() * 1000.0;
|
||
if let Some(sample) = self.nav_perf {
|
||
crate::perf::record(format_args!(
|
||
"[perf] nav-render op={} space={} mode={} encode={:.2}ms elapsed={:.2}ms viewports={}",
|
||
sample.op.label(),
|
||
sample.space,
|
||
sample.mode,
|
||
render_ms,
|
||
sample.started.elapsed().as_secs_f64() * 1000.0,
|
||
self.viewports.len(),
|
||
));
|
||
} else if crate::perf::enabled() && render_ms >= 5.0 {
|
||
crate::perf_record!(
|
||
"[perf] frame-encode {:>7.1}ms viewports={}",
|
||
render_ms,
|
||
self.viewports.len(),
|
||
);
|
||
}
|
||
}
|
||
}
|
||
|
||
/// Hash of everything that determines one viewport's rendered scene image.
|
||
/// Two consecutive frames with the same signature are pixel-identical, so the
|
||
/// second may skip the geometry passes and re-blit the resolve texture (see the
|
||
/// scene-render cache in `Primitive::prepare` / `Pipeline::render`).
|
||
///
|
||
/// Deliberately EXCLUDES `hover_region` — the ViewCube highlight renders in its
|
||
/// own always-on pass, so cube hover must not force a full scene re-render. The
|
||
/// live preview IS included (its coordinates), so a rubber-band tracking the
|
||
/// cursor still renders, and the frame where the preview clears erases it
|
||
/// instead of freezing the last overlay on screen.
|
||
fn render_signature(vp: &ViewportData, clip_w: u32, clip_h: u32) -> u64 {
|
||
use std::hash::{Hash, Hasher};
|
||
let mut h = rustc_hash::FxHasher::default();
|
||
// Camera + per-view shading flags all live in the uniforms (view_rot, eye
|
||
// high/low, viewport size, lineweight, flat_shade, transparency) — hashing
|
||
// the raw POD bytes captures every pan / zoom / orbit / twist and toggle in
|
||
// one shot. Identical camera state recomputes to identical bits, so a still
|
||
// view never spuriously misses the cache.
|
||
bytemuck::bytes_of(&vp.uniforms).hash(&mut h);
|
||
vp.geometry_epoch.hash(&mut h);
|
||
vp.selection_generation.hash(&mut h);
|
||
vp.selected_sig.hash(&mut h);
|
||
vp.wire_content_id.hash(&mut h);
|
||
vp.fill_mode.hash(&mut h);
|
||
vp.view_wireframe.hash(&mut h);
|
||
vp.mesh_fill.hash(&mut h);
|
||
vp.show_3d_edges.hash(&mut h);
|
||
vp.hidden_line.hash(&mut h);
|
||
// ViewCube visibility is excluded from the *scene* signature elsewhere only
|
||
// for the live-hover pass; here it MUST invalidate the cache so toggling the
|
||
// cube (NAVVCUBE) re-renders and actually clears the last cube frame
|
||
// instead of leaving its stale pixels on the cached surface.
|
||
vp.show_viewcube.hash(&mut h);
|
||
// Interaction-LOD hatch suppression: differs the signature so the settle
|
||
// frame (skip_hatch flips false) re-renders with hatches and re-caches.
|
||
vp.skip_hatch.hash(&mut h);
|
||
clip_w.hash(&mut h);
|
||
clip_h.hash(&mut h);
|
||
// Live overlay (command preview / interim / grip drag). Small — a handful
|
||
// of wires — so hashing its coordinates is cheap and catches the endpoint
|
||
// moving with the cursor as well as the preview appearing / clearing.
|
||
for w in vp.preview_wires.iter() {
|
||
w.points.len().hash(&mut h);
|
||
for p in &w.points {
|
||
p[0].to_bits().hash(&mut h);
|
||
p[1].to_bits().hash(&mut h);
|
||
p[2].to_bits().hash(&mut h);
|
||
}
|
||
}
|
||
// Live hatch preview. Pattern-origin grip drags keep the boundary fixed and
|
||
// move only the family anchors, so hash both geometry and pattern data.
|
||
vp.preview_hatches.len().hash(&mut h);
|
||
for model in vp.preview_hatches.iter() {
|
||
model.world_origin[0].to_bits().hash(&mut h);
|
||
model.world_origin[1].to_bits().hash(&mut h);
|
||
model.boundary.len().hash(&mut h);
|
||
for point in model.boundary.iter() {
|
||
point[0].to_bits().hash(&mut h);
|
||
point[1].to_bits().hash(&mut h);
|
||
}
|
||
for component in model.color {
|
||
component.to_bits().hash(&mut h);
|
||
}
|
||
model.angle_offset.to_bits().hash(&mut h);
|
||
model.scale.to_bits().hash(&mut h);
|
||
match &model.pattern {
|
||
crate::scene::model::hatch_model::HatchPattern::Solid => {
|
||
0_u8.hash(&mut h);
|
||
}
|
||
crate::scene::model::hatch_model::HatchPattern::Pattern(families) => {
|
||
1_u8.hash(&mut h);
|
||
families.len().hash(&mut h);
|
||
for family in families {
|
||
family.angle_deg.to_bits().hash(&mut h);
|
||
family.x0.to_bits().hash(&mut h);
|
||
family.y0.to_bits().hash(&mut h);
|
||
family.dx.to_bits().hash(&mut h);
|
||
family.dy.to_bits().hash(&mut h);
|
||
for dash in &family.dashes {
|
||
dash.to_bits().hash(&mut h);
|
||
}
|
||
}
|
||
}
|
||
crate::scene::model::hatch_model::HatchPattern::Gradient {
|
||
angle_deg,
|
||
color2,
|
||
kind,
|
||
invert,
|
||
} => {
|
||
2_u8.hash(&mut h);
|
||
angle_deg.to_bits().hash(&mut h);
|
||
for component in color2 {
|
||
component.to_bits().hash(&mut h);
|
||
}
|
||
kind.shader_kind().hash(&mut h);
|
||
invert.hash(&mut h);
|
||
}
|
||
}
|
||
}
|
||
// Grip-drag / command-preview glyph quads (issue #316). A pure-text slide
|
||
// leaves `preview_wires` empty and moves ONLY these, so a signature that
|
||
// ignored them would let the scene-render cache freeze the dragged text at
|
||
// its first frame (re-blitting a stale texture) until release. Small — one
|
||
// dragged entity — so hashing every vertex is cheap. Hash the high AND low
|
||
// halves of the double-single position: a sub-unit slide at UTM scale shifts
|
||
// only the low residual, so hashing the high f32 alone would miss it.
|
||
vp.preview_text_verts.len().hash(&mut h);
|
||
for v in vp.preview_text_verts.iter() {
|
||
v.pos[0].to_bits().hash(&mut h);
|
||
v.pos[1].to_bits().hash(&mut h);
|
||
v.pos_low[0].to_bits().hash(&mut h);
|
||
v.pos_low[1].to_bits().hash(&mut h);
|
||
}
|
||
h.finish()
|
||
}
|
||
|
||
/// On-canvas-visible UV crop on one axis. `pos` and `size` are in the
|
||
/// shader widget's normalized 0..1 coords. Returns `(uv_offset, uv_scale)`
|
||
/// applied as `actual_uv = quad_uv * uv_scale + uv_offset` in the blit
|
||
/// shader — identity `(0.0, 1.0)` for fully on-canvas viewports.
|
||
fn uv_crop_axis(pos: f32, size: f32) -> (f32, f32) {
|
||
if size <= 0.0 {
|
||
return (0.0, 1.0);
|
||
}
|
||
let left_off = (-pos).max(0.0);
|
||
let right_off = (pos + size - 1.0).max(0.0);
|
||
let visible = (size - left_off - right_off).max(0.0);
|
||
(left_off / size, visible / size)
|
||
}
|
||
|
||
/// Apply a clip-space crop to `view_proj` so the sub-rect of the original
|
||
/// view defined by UV offset `(uo, vo)` + scale `(us, vs)` is remapped to
|
||
/// NDC `[-1, 1]^2`. Identity transform when the sub-rect is the whole
|
||
/// view (`uo=vo=0`, `us=vs=1`). Used by viewports that hang off the
|
||
/// canvas — the camera frustum stays at full-vp aspect, but only the
|
||
/// visible portion lands in the MSAA target.
|
||
fn crop_view_proj(view_proj: glam::Mat4, uo: f32, vo: f32, us: f32, vs: f32) -> glam::Mat4 {
|
||
// Build the matrix that maps the visible clip-space sub-rect
|
||
// x ∈ [2uo - 1, 2(uo+us) - 1]
|
||
// y ∈ [1 - 2(vo+vs), 1 - 2vo]
|
||
// back to NDC [-1, 1]^2. (Texture v is top-down → camera y flips.)
|
||
let us = us.max(1e-6);
|
||
let vs = vs.max(1e-6);
|
||
let sx = 1.0 / us;
|
||
let sy = 1.0 / vs;
|
||
let tx = (1.0 - 2.0 * uo - us) / us;
|
||
let ty = -(1.0 - 2.0 * vo - vs) / vs;
|
||
let crop = glam::Mat4::from_cols_array(&[
|
||
sx, 0.0, 0.0, 0.0, // col 0
|
||
0.0, sy, 0.0, 0.0, // col 1
|
||
0.0, 0.0, 1.0, 0.0, // col 2
|
||
tx, ty, 0.0, 1.0, // col 3
|
||
]);
|
||
crop * view_proj
|
||
}
|
||
|
||
// ── Render-style helpers (impl Scene) ────────────────────────────────────
|
||
|
||
impl Scene {
|
||
fn build_lighting_cache(&self) -> Vec<SceneLight> {
|
||
use acadrust::objects::{ClassObjectData, ObjectType};
|
||
|
||
fn normalized(value: [f64; 3], fallback: [f32; 3]) -> [f32; 3] {
|
||
let length =
|
||
(value[0] * value[0] + value[1] * value[1] + value[2] * value[2]).sqrt();
|
||
if length <= 1e-12 {
|
||
fallback
|
||
} else {
|
||
[
|
||
(value[0] / length) as f32,
|
||
(value[1] / length) as f32,
|
||
(value[2] / length) as f32,
|
||
]
|
||
}
|
||
}
|
||
|
||
fn solar_direction(
|
||
sun: &acadrust::objects::Sun,
|
||
geo: &acadrust::objects::GeoData,
|
||
) -> Option<[f32; 3]> {
|
||
if sun.julian_day < 1_000_000 {
|
||
return None;
|
||
}
|
||
let daylight_ms = if sun.is_daylight_savings_on {
|
||
3_600_000.0
|
||
} else {
|
||
0.0
|
||
};
|
||
let jd = sun.julian_day as f64
|
||
+ (sun.milliseconds as f64 - daylight_ms) / 86_400_000.0;
|
||
let days = jd - 2_451_545.0;
|
||
let mean_longitude = (280.460 + 0.985_647_4 * days).to_radians();
|
||
let mean_anomaly = (357.528 + 0.985_600_3 * days).to_radians();
|
||
let ecliptic_longitude = mean_longitude
|
||
+ (1.915 * mean_anomaly.sin()
|
||
+ 0.020 * (2.0 * mean_anomaly).sin())
|
||
.to_radians();
|
||
let obliquity = (23.439 - 0.000_000_4 * days).to_radians();
|
||
let right_ascension = (obliquity.cos() * ecliptic_longitude.sin())
|
||
.atan2(ecliptic_longitude.cos());
|
||
let declination =
|
||
(obliquity.sin() * ecliptic_longitude.sin()).asin();
|
||
let local_sidereal = (280.460_618_37
|
||
+ 360.985_647_366_29 * days
|
||
+ geo.reference_point.x)
|
||
.to_radians();
|
||
let hour_angle = (local_sidereal - right_ascension + std::f64::consts::PI)
|
||
.rem_euclid(std::f64::consts::TAU)
|
||
- std::f64::consts::PI;
|
||
let latitude = geo.reference_point.y.to_radians();
|
||
let east_component = -declination.cos() * hour_angle.sin();
|
||
let north_component = declination.sin() * latitude.cos()
|
||
- declination.cos() * hour_angle.cos() * latitude.sin();
|
||
let up_component = declination.sin() * latitude.sin()
|
||
+ declination.cos() * hour_angle.cos() * latitude.cos();
|
||
if up_component <= 0.0 {
|
||
return None;
|
||
}
|
||
let north = normalized(
|
||
[geo.north_direction.x, geo.north_direction.y, 0.0],
|
||
[0.0, 1.0, 0.0],
|
||
);
|
||
let east = [north[1], -north[0], 0.0];
|
||
let up = normalized(
|
||
[geo.up_direction.x, geo.up_direction.y, geo.up_direction.z],
|
||
[0.0, 0.0, 1.0],
|
||
);
|
||
Some(normalized(
|
||
[
|
||
-(east[0] as f64 * east_component
|
||
+ north[0] as f64 * north_component
|
||
+ up[0] as f64 * up_component),
|
||
-(east[1] as f64 * east_component
|
||
+ north[1] as f64 * north_component
|
||
+ up[1] as f64 * up_component),
|
||
-(east[2] as f64 * east_component
|
||
+ north[2] as f64 * north_component
|
||
+ up[2] as f64 * up_component),
|
||
],
|
||
[0.0, 0.0, -1.0],
|
||
))
|
||
}
|
||
|
||
fn converted(scene: &Scene, light: &acadrust::entities::Light) -> Option<SceneLight> {
|
||
if !light.status {
|
||
return None;
|
||
}
|
||
let direction = normalized(
|
||
[
|
||
light.target.x - light.position.x,
|
||
light.target.y - light.position.y,
|
||
light.target.z - light.position.z,
|
||
],
|
||
[0.0, 0.0, -1.0],
|
||
);
|
||
let color_layer = if light.light_color.rgb().is_some() {
|
||
None
|
||
} else {
|
||
Some(light.common.layer.clone())
|
||
};
|
||
let rgba = if color_layer.is_none() {
|
||
tess_util::aci_to_rgba(&light.light_color)
|
||
} else {
|
||
scene.layer_color(&light.common.layer)
|
||
};
|
||
Some(SceneLight {
|
||
handle: light.common.handle,
|
||
color_layer,
|
||
light_type: light.light_type as f32,
|
||
position: [light.position.x, light.position.y, light.position.z],
|
||
direction,
|
||
color: [rgba[0], rgba[1], rgba[2]],
|
||
intensity: light.intensity.max(0.0) as f32,
|
||
hotspot_cos: if light.hotspot_angle > 0.0 {
|
||
(light.hotspot_angle * 0.5).cos() as f32
|
||
} else {
|
||
1.0
|
||
},
|
||
falloff_cos: if light.falloff_angle > 0.0 {
|
||
(light.falloff_angle * 0.5).cos() as f32
|
||
} else {
|
||
-1.0
|
||
},
|
||
attenuation_type: light.attenuation_type as f32,
|
||
attenuation_start: if light.use_attenuation_limits {
|
||
light.attenuation_start_limit as f32
|
||
} else {
|
||
0.0
|
||
},
|
||
attenuation_end: if light.use_attenuation_limits {
|
||
light.attenuation_end_limit as f32
|
||
} else {
|
||
0.0
|
||
},
|
||
})
|
||
}
|
||
|
||
let mut lights = Vec::new();
|
||
for &handle in crate::entities::object_data::light_entities(
|
||
&self.object_data_cache,
|
||
) {
|
||
if lights.len() >= 4 {
|
||
break;
|
||
}
|
||
if let Some(EntityType::Light(light)) = self.document.get_entity(handle) {
|
||
if let Some(light) = converted(self, light) {
|
||
lights.push(light);
|
||
}
|
||
}
|
||
}
|
||
|
||
if lights.len() < 4 {
|
||
let geo = crate::entities::object_data::geo_objects(
|
||
&self.object_data_cache,
|
||
)
|
||
.iter()
|
||
.find_map(|handle| match self.document.objects.get(handle) {
|
||
Some(ObjectType::GeoData(value))
|
||
if value.coordinate_type == 3
|
||
&& value.reference_point.x.is_finite()
|
||
&& value.reference_point.y.is_finite()
|
||
&& value.reference_point.x.abs() <= 180.0
|
||
&& value.reference_point.y.abs() <= 90.0 => Some(value),
|
||
_ => None,
|
||
});
|
||
for handle in crate::entities::object_data::sun_objects(
|
||
&self.object_data_cache,
|
||
) {
|
||
let Some(ObjectType::ClassObject(value)) =
|
||
self.document.objects.get(handle)
|
||
else {
|
||
continue;
|
||
};
|
||
let ClassObjectData::Sun(sun) = &value.data else {
|
||
continue;
|
||
};
|
||
if !sun.is_on {
|
||
continue;
|
||
}
|
||
let Some(geo) = geo else {
|
||
break;
|
||
};
|
||
let Some(direction) = solar_direction(sun, geo) else {
|
||
break;
|
||
};
|
||
let rgba = tess_util::aci_to_rgba(&sun.color);
|
||
lights.push(SceneLight {
|
||
handle: value.handle,
|
||
color_layer: None,
|
||
light_type: 1.0,
|
||
position: [0.0; 3],
|
||
direction,
|
||
color: [rgba[0], rgba[1], rgba[2]],
|
||
intensity: sun.intensity.max(0.0) as f32,
|
||
hotspot_cos: 1.0,
|
||
falloff_cos: -1.0,
|
||
attenuation_type: 0.0,
|
||
attenuation_start: 0.0,
|
||
attenuation_end: 0.0,
|
||
});
|
||
break;
|
||
}
|
||
}
|
||
lights
|
||
}
|
||
|
||
fn apply_document_lighting(&self, uniforms: &mut Uniforms) {
|
||
if self.lighting_cache.borrow().is_none() {
|
||
let lights = self.build_lighting_cache();
|
||
*self.lighting_cache.borrow_mut() = Some(lights);
|
||
}
|
||
let cache = self.lighting_cache.borrow();
|
||
let lights = cache.as_deref().unwrap_or_default();
|
||
let eye = [
|
||
uniforms.eye_high[0] as f64 + uniforms.eye_low[0] as f64,
|
||
uniforms.eye_high[1] as f64 + uniforms.eye_low[1] as f64,
|
||
uniforms.eye_high[2] as f64 + uniforms.eye_low[2] as f64,
|
||
];
|
||
uniforms.lighting[0] = lights.len().min(4) as f32;
|
||
for (index, light) in lights.iter().take(4).enumerate() {
|
||
let color = light
|
||
.color_layer
|
||
.as_deref()
|
||
.map(|layer| self.layer_color(layer))
|
||
.map(|rgba| [rgba[0], rgba[1], rgba[2]])
|
||
.unwrap_or(light.color);
|
||
uniforms.light_position_type[index] = [
|
||
(light.position[0] - eye[0]) as f32,
|
||
(light.position[1] - eye[1]) as f32,
|
||
(light.position[2] - eye[2]) as f32,
|
||
light.light_type,
|
||
];
|
||
uniforms.light_direction_intensity[index] = [
|
||
light.direction[0],
|
||
light.direction[1],
|
||
light.direction[2],
|
||
light.intensity,
|
||
];
|
||
uniforms.light_color_hotspot[index] = [
|
||
color[0],
|
||
color[1],
|
||
color[2],
|
||
light.hotspot_cos,
|
||
];
|
||
uniforms.light_attenuation[index] = [
|
||
light.attenuation_type,
|
||
light.attenuation_start,
|
||
light.attenuation_end,
|
||
light.falloff_cos,
|
||
];
|
||
}
|
||
}
|
||
|
||
/// Returns (entity_color, pattern_length, pattern, line_weight_px, aci).
|
||
pub(in crate::scene) fn render_style(&self, e: &EntityType) -> ([f32; 4], f32, [f32; 8], f32, u8) {
|
||
let (color, pl, pat, lw, aci) = render_style_for(&self.document, e);
|
||
let bg = if self.current_layout == "Model" {
|
||
self.bg_color
|
||
} else {
|
||
self.paper_bg_color
|
||
};
|
||
// Objects on a locked layer are dimmed toward the background so they
|
||
// read as "not editable" (they stay visible and snappable).
|
||
let adapted = adapt_to_bg(color, bg);
|
||
let final_color = if layer_locked(&self.document, e) {
|
||
crate::scene::cache::block_cache::fade_toward_bg(adapted, bg)
|
||
} else {
|
||
adapted
|
||
};
|
||
(final_color, pl, pat, lw, aci)
|
||
}
|
||
}
|
||
|
||
/// Whether an entity sits on a locked layer (via the document's layer table).
|
||
/// Document-only so it is safe from the parallel tessellation path.
|
||
pub(in crate::scene) fn layer_locked(document: &CadDocument, e: &EntityType) -> bool {
|
||
document
|
||
.layers
|
||
.get(&e.common().layer)
|
||
.map(|l| l.is_locked())
|
||
.unwrap_or(false)
|
||
}
|
||
|
||
// ── Document-only render-style helpers (no &self, safe to call from parallel contexts) ──
|
||
|
||
/// Resolves the effective linetype name for an entity, falling back to the
|
||
/// layer's linetype when the entity's own linetype is "ByLayer".
|
||
pub(in crate::scene) fn linetype_name_for<'a>(document: &'a CadDocument, e: &'a EntityType) -> &'a str {
|
||
let elt = &e.common().linetype;
|
||
if elt.is_empty() || elt.eq_ignore_ascii_case("bylayer") {
|
||
document
|
||
.layers
|
||
.get(&e.common().layer)
|
||
.map(|l| l.line_type.as_str())
|
||
.unwrap_or("Continuous")
|
||
} else {
|
||
elt.as_str()
|
||
}
|
||
}
|
||
|
||
/// Returns `(entity_color, pattern_length, pattern, line_weight_px, aci)` for
|
||
/// an entity, resolving ByLayer color and linetype from the document.
|
||
pub(in crate::scene) fn render_style_for(
|
||
document: &CadDocument,
|
||
e: &EntityType,
|
||
) -> ([f32; 4], f32, [f32; 8], f32, u8) {
|
||
let layer_name = &e.common().layer;
|
||
let (entity_color, aci) = {
|
||
let common = e.common();
|
||
let book_color = common
|
||
.color_book_handle
|
||
.filter(|handle| handle.is_valid())
|
||
.and_then(|handle| document.objects.get(&handle))
|
||
.and_then(|object| match object {
|
||
acadrust::objects::ObjectType::BookColor(book) => Some(&book.color),
|
||
_ => None,
|
||
});
|
||
let ec = book_color.unwrap_or(&common.color);
|
||
let resolved = if *ec == AcadColor::ByLayer {
|
||
document
|
||
.layers
|
||
.get(layer_name)
|
||
.map(|l| &l.color)
|
||
.unwrap_or(&AcadColor::WHITE)
|
||
} else {
|
||
ec
|
||
};
|
||
let aci = match resolved {
|
||
AcadColor::Index(i) => *i,
|
||
_ => 0,
|
||
};
|
||
let [r, g, b, _] = tess_util::aci_to_rgba(resolved);
|
||
let alpha = 1.0 - e.common().transparency.as_percent() as f32;
|
||
([r, g, b, alpha], aci)
|
||
};
|
||
|
||
let lt_name = linetype_name_for(document, e);
|
||
// Effective scale = global LTSCALE × per-entity scale (both default to 1.0).
|
||
let lt_scale = document.header.linetype_scale as f32 * e.common().linetype_scale as f32;
|
||
let (pattern_length, pattern) = resolve_pattern(&document.line_types, lt_name, lt_scale);
|
||
|
||
let line_weight_px = {
|
||
// LWDISPLAY is no longer evaluated here — the toggle is now applied in
|
||
// the wire shader via `Uniforms.lwdisplay_enable`, so we always bake the
|
||
// entity's resolved (layer-inherited) weight. Toggling lineweight
|
||
// visibility costs only a uniform write, not a retessellate.
|
||
let ew = &e.common().line_weight;
|
||
let resolved = match ew {
|
||
LineWeight::ByLayer | LineWeight::ByBlock | LineWeight::Default => document
|
||
.layers
|
||
.get(layer_name)
|
||
.map(|l| &l.line_weight)
|
||
.unwrap_or(&LineWeight::Default),
|
||
_ => ew,
|
||
};
|
||
lineweight_to_px(resolved)
|
||
};
|
||
|
||
(entity_color, pattern_length, pattern, line_weight_px, aci)
|
||
}
|
||
|
||
pub(crate) fn has_resolved_book_color(document: &CadDocument, e: &EntityType) -> bool {
|
||
e.common()
|
||
.color_book_handle
|
||
.filter(|handle| handle.is_valid())
|
||
.and_then(|handle| document.objects.get(&handle))
|
||
.is_some_and(|object| matches!(object, acadrust::objects::ObjectType::BookColor(_)))
|
||
}
|
||
|
||
/// Resolved render style used as the inheritance source for a block child's
|
||
/// ByBlock properties (the INSERT's own style) or its layer-0 properties (the
|
||
/// INSERT's *layer* style). Bundled so it threads through the block-expansion
|
||
/// call chain as a single value.
|
||
#[derive(Clone, Copy, Debug)]
|
||
pub struct InheritStyle {
|
||
pub color: [f32; 4],
|
||
pub pat_len: f32,
|
||
pub pat: [f32; 8],
|
||
pub lw_px: f32,
|
||
}
|
||
|
||
/// Convert a concrete (already layer-resolved) lineweight to display pixels.
|
||
pub(crate) fn lineweight_to_px(lw: &LineWeight) -> f32 {
|
||
const MM_TO_PX: f32 = 96.0 / 25.4;
|
||
// CAD apps display model-space lineweights larger than their true physical
|
||
// size so the gradations stay legible on screen — at true scale a 0.5 mm
|
||
// line is ~2 px and is indistinguishable from thinner weights (which all
|
||
// floor to 1 px). Apply the same legibility boost so weights are pronounced
|
||
// and tell apart, matching other DWG editors. (#147)
|
||
const LWT_DISPLAY_BOOST: f32 = 2.0;
|
||
lw.millimeters()
|
||
.map(|mm| (mm as f32 * MM_TO_PX * LWT_DISPLAY_BOOST).max(1.0))
|
||
.unwrap_or(1.0)
|
||
}
|
||
|
||
/// Resolve a layer's own color / linetype / lineweight to concrete render
|
||
/// values — what a fully-ByLayer entity on that layer would draw as. Used for
|
||
/// the layer-0 block rule: a block child on layer "0" inherits the block
|
||
/// reference's layer through this. Color is returned RAW (background adaptation
|
||
/// happens at emit time). Falls back to white / Continuous / 1 px when the
|
||
/// layer is missing.
|
||
pub(crate) fn layer_render_style(document: &CadDocument, layer_name: &str) -> InheritStyle {
|
||
let layer = document.layers.get(layer_name);
|
||
let color = layer.map(|l| &l.color).unwrap_or(&AcadColor::WHITE);
|
||
let [r, g, b, _] = tess_util::aci_to_rgba(color);
|
||
let lt_name = layer.map(|l| l.line_type.as_str()).unwrap_or("Continuous");
|
||
let lt_scale = document.header.linetype_scale as f32;
|
||
let (pat_len, pat) = resolve_pattern(&document.line_types, lt_name, lt_scale);
|
||
let lw = layer.map(|l| &l.line_weight).unwrap_or(&LineWeight::Default);
|
||
InheritStyle {
|
||
color: [r, g, b, 1.0],
|
||
pat_len,
|
||
pat,
|
||
lw_px: lineweight_to_px(lw),
|
||
}
|
||
}
|
||
|
||
/// Whether a block child uses layer-0 inheritance semantics.
|
||
///
|
||
/// XREF merge keeps dependent layers distinct by namespacing them as
|
||
/// `xref|layer`; its source layer `0` therefore becomes `xref|0` but must still
|
||
/// inherit through the containing INSERT exactly like an unprefixed layer 0.
|
||
pub(crate) fn is_effective_layer_zero(layer_name: &str) -> bool {
|
||
layer_name.eq_ignore_ascii_case("0")
|
||
|| layer_name
|
||
.rsplit_once('|')
|
||
.is_some_and(|(_, dependent)| dependent.eq_ignore_ascii_case("0"))
|
||
}
|
||
|
||
/// Like `render_style_for` but resolves a block sub-entity's inherited
|
||
/// properties: ByBlock inherits the INSERT's style, and (the layer-0 rule) a
|
||
/// sub-entity on layer "0" with ByLayer properties inherits the INSERT's
|
||
/// *layer* style (`l0`). Explicit properties always win. Call this for
|
||
/// exploded block sub-entities so color/linetype/lineweight propagate right.
|
||
pub(crate) fn render_style_for_block_sub(
|
||
document: &CadDocument,
|
||
e: &EntityType,
|
||
insert_color: [f32; 4],
|
||
insert_pat_len: f32,
|
||
insert_pat: [f32; 8],
|
||
insert_lw_px: f32,
|
||
l0: InheritStyle,
|
||
) -> ([f32; 4], f32, [f32; 8], f32, u8) {
|
||
let (color, pat_len, pat, lw_px, aci) = render_style_for(document, e);
|
||
let common = e.common();
|
||
let on_l0 = is_effective_layer_zero(&common.layer);
|
||
|
||
let has_book_color = has_resolved_book_color(document, e);
|
||
let final_color = if !has_book_color && common.color == AcadColor::ByBlock {
|
||
insert_color
|
||
} else if !has_book_color && on_l0 && common.color == AcadColor::ByLayer {
|
||
// Inherit the insert layer's RGB but keep the child's own transparency.
|
||
[l0.color[0], l0.color[1], l0.color[2], color[3]]
|
||
} else {
|
||
color
|
||
};
|
||
|
||
let lt_bylayer =
|
||
common.linetype.is_empty() || common.linetype.eq_ignore_ascii_case("bylayer");
|
||
let (final_pat_len, final_pat) = if common.linetype.eq_ignore_ascii_case("byblock") {
|
||
(insert_pat_len, insert_pat)
|
||
} else if on_l0 && lt_bylayer {
|
||
(l0.pat_len, l0.pat)
|
||
} else {
|
||
(pat_len, pat)
|
||
};
|
||
|
||
let final_lw = if matches!(common.line_weight, LineWeight::ByBlock) {
|
||
insert_lw_px
|
||
} else if on_l0 && matches!(common.line_weight, LineWeight::ByLayer | LineWeight::Default) {
|
||
l0.lw_px
|
||
} else {
|
||
lw_px
|
||
};
|
||
|
||
(final_color, final_pat_len, final_pat, final_lw, aci)
|
||
}
|
||
|
||
/// Adapt white→black or black→white based on background luminance.
|
||
/// White entities on light backgrounds become black, black entities on dark
|
||
/// backgrounds become white. All other colors pass through unchanged.
|
||
pub(crate) fn adapt_to_bg(color: [f32; 4], bg: [f32; 4]) -> [f32; 4] {
|
||
let lum = 0.299 * bg[0] + 0.587 * bg[1] + 0.114 * bg[2];
|
||
let is_white = color[0] > 0.95 && color[1] > 0.95 && color[2] > 0.95;
|
||
let is_black = color[0] < 0.05 && color[1] < 0.05 && color[2] < 0.05;
|
||
if is_white && lum > 0.5 {
|
||
[0.0, 0.0, 0.0, color[3]]
|
||
} else if is_black && lum <= 0.5 {
|
||
[1.0, 1.0, 1.0, color[3]]
|
||
} else {
|
||
color
|
||
}
|
||
}
|
||
|
||
// ── Primitive builder helpers (called by ViewportPane's shader::Program impl) ──
|
||
|
||
impl Scene {
|
||
/// Gather the SDF glyph quads carried on a viewport's wire set into one
|
||
/// flat vertex list for the text render pass. The tessellator attaches the
|
||
/// quads to each entity's own wire (and the block-expand loop transforms
|
||
/// block-instance quads to world), so gathering is a cheap walk. Cached on
|
||
/// `wire_content_id` — the wire-buffer content id — so an unchanged wire
|
||
/// set (pan / zoom) is walked once, not every frame; the id changes when
|
||
/// geometry or selection rebuilds the wires, re-tinting selected glyphs.
|
||
/// Empty when SDF text is disabled.
|
||
pub(in crate::scene) fn gather_text_verts(
|
||
&self,
|
||
wires: &[WireModel],
|
||
wire_content_id: u64,
|
||
source_key: u64,
|
||
depth_map: &rustc_hash::FxHashMap<u64, [f32; 2]>,
|
||
) -> std::sync::Arc<Vec<crate::scene::pipeline::text_gpu::TextVertex>> {
|
||
use std::sync::Arc;
|
||
{
|
||
let cache = self.sdf_text_cache.borrow();
|
||
if let Some(verts) = cache.get(&wire_content_id) {
|
||
return verts.clone();
|
||
}
|
||
}
|
||
// A new content id (every geometry edit) misses the cache — but if no
|
||
// text-bearing entity changed since the last build, the glyphs are
|
||
// identical, so reuse them instead of re-walking every wire. Reuse is
|
||
// per `source_key`: another source's glyphs are a different wire set,
|
||
// not an older build of this one (#403). The glyphs also bake the
|
||
// entity draw-order depth (below), which shifts whenever an entity is
|
||
// added or removed — reuse only across rank-stable (all-Modified)
|
||
// edits.
|
||
{
|
||
let reuse = {
|
||
let last = self.last_sdf_text.borrow();
|
||
match last.get(&source_key) {
|
||
Some((epoch, arc))
|
||
if self.text_unchanged(*epoch) && self.draw_ranks_stable(*epoch) =>
|
||
{
|
||
Some(arc.clone())
|
||
}
|
||
_ => None,
|
||
}
|
||
};
|
||
if let Some(arc) = reuse {
|
||
self.sdf_text_cache
|
||
.borrow_mut()
|
||
.insert(wire_content_id, arc.clone());
|
||
self.last_sdf_text
|
||
.borrow_mut()
|
||
.insert(source_key, (self.geometry_epoch, arc.clone()));
|
||
return arc;
|
||
}
|
||
}
|
||
let mut out: Vec<crate::scene::pipeline::text_gpu::TextVertex> = Vec::new();
|
||
for w in wires {
|
||
if !w.text_verts.is_empty() {
|
||
// Bake the host wire's draw-order depth into its glyphs so
|
||
// text layers like the rest of the entity: its own background
|
||
// fill lands at the same biased depth (glyphs draw after fills
|
||
// and win the LessEqual test), and a hatch later in draw order
|
||
// still covers the text. A tessellation-time value (block-local
|
||
// compose) survives as an offset on top of the wire's depth.
|
||
let d = crate::scene::pipeline::wire_gpu::wire_draw_depth(w, depth_map);
|
||
if d == 0.0 {
|
||
out.extend_from_slice(&w.text_verts);
|
||
} else {
|
||
out.extend(w.text_verts.iter().map(|tv| {
|
||
let mut tv = *tv;
|
||
tv.draw_depth += d;
|
||
tv
|
||
}));
|
||
}
|
||
}
|
||
}
|
||
let verts = Arc::new(out);
|
||
{
|
||
let mut cache = self.sdf_text_cache.borrow_mut();
|
||
// Ids change on rebuild, so old keys die naturally; cap bounds churn.
|
||
if cache.len() > 8 {
|
||
cache.clear();
|
||
}
|
||
cache.insert(wire_content_id, verts.clone());
|
||
}
|
||
{
|
||
let mut last = self.last_sdf_text.borrow_mut();
|
||
if last.len() > 8 {
|
||
last.clear();
|
||
}
|
||
last.insert(source_key, (self.geometry_epoch, verts.clone()));
|
||
}
|
||
verts
|
||
}
|
||
|
||
/// Build the unified multi-viewport `Primitive` for the current layout.
|
||
/// Model layout → one full-window viewport (more once tiled); paper
|
||
/// layout → one viewport per floating content viewport. Each entry is
|
||
/// rendered into its own screen rectangle by its own inner pipeline.
|
||
pub(in crate::scene) fn build_viewports(
|
||
&self,
|
||
bounds: Rectangle,
|
||
model_render_mode: acadrust::entities::ViewportRenderMode,
|
||
_hover_region: Option<usize>,
|
||
show_viewcube: bool,
|
||
viewcube_text_color: [f32; 4],
|
||
) -> Primitive {
|
||
let nav_build_started = iced::time::Instant::now();
|
||
let perf_nav = self.take_nav_perf();
|
||
// Hover comes from the scene cell driven by the app-level
|
||
// `CursorMoved` handler — the cube overlay sits above the shader
|
||
// and would otherwise mask the move event from `Program::update`.
|
||
let hover_region = self.viewcube_hover.get();
|
||
self.selection.borrow_mut().vp_size = (bounds.width, bounds.height);
|
||
if bounds.height > 0.0 {
|
||
self.set_render_aspect(bounds.width / bounds.height);
|
||
self.set_render_pixel_scale(bounds.width, bounds.height);
|
||
}
|
||
let canvas = (bounds.width.max(1.0), bounds.height.max(1.0));
|
||
let instances = self.active_viewports(canvas.0, canvas.1, model_render_mode);
|
||
// Transparent clear — outside drawn geometry the resolve texture
|
||
// stays at alpha=0, so the alpha-blended blit reveals the container
|
||
// background (model bg, or the desk colour in a paper layout).
|
||
let bg_color = [0.0, 0.0, 0.0, 0.0];
|
||
let viewports: Vec<ViewportData> = instances
|
||
.iter()
|
||
.filter_map(|inst| self.viewport_data_for(inst, canvas, hover_region, show_viewcube))
|
||
.collect();
|
||
// Empty viewports → blit nothing; the container background (model bg
|
||
// or the paper desk colour) stays visible.
|
||
let perf_nav = perf_nav.map(|mut sample| {
|
||
sample.build_ms = nav_build_started.elapsed().as_secs_f64() * 1000.0;
|
||
sample
|
||
});
|
||
Primitive {
|
||
viewports,
|
||
bg_color,
|
||
viewcube_text_color,
|
||
nav_perf: perf_nav,
|
||
}
|
||
}
|
||
|
||
/// Build a single-pane Model primitive: the viewport for tile `tile_idx`,
|
||
/// filling the shader widget's own `bounds` (= the pane rectangle the
|
||
/// `pane_grid` laid out). Each Model pane is its own shader widget, so the
|
||
/// camera matrices use the pane aspect for free and the primitive owns
|
||
/// pipeline slot `tile_idx`. The active tile renders the live camera /
|
||
/// render-mode; the rest use their stored snapshot.
|
||
pub(in crate::scene) fn build_viewport_for_pane(
|
||
&self,
|
||
bounds: Rectangle,
|
||
tile_idx: usize,
|
||
model_render_mode: acadrust::entities::ViewportRenderMode,
|
||
show_viewcube: bool,
|
||
viewcube_text_color: [f32; 4],
|
||
) -> Primitive {
|
||
let hover_region = self.viewcube_hover.get();
|
||
let canvas = (bounds.width.max(1.0), bounds.height.max(1.0));
|
||
let bg_color = [0.0, 0.0, 0.0, 0.0];
|
||
let tiles = self.model_tiles.borrow();
|
||
let Some(tile) = tiles.get(tile_idx) else {
|
||
return Primitive {
|
||
viewports: vec![],
|
||
bg_color,
|
||
viewcube_text_color,
|
||
nav_perf: None,
|
||
};
|
||
};
|
||
let active = self.active_model_tile.get();
|
||
let is_active = tile_idx == active;
|
||
let nav_build_started = iced::time::Instant::now();
|
||
let perf_nav = if is_active {
|
||
self.take_nav_perf()
|
||
} else {
|
||
None
|
||
};
|
||
let camera = if is_active {
|
||
self.camera.borrow().clone()
|
||
} else {
|
||
tile.camera.clone()
|
||
};
|
||
let inst = ViewportInstance {
|
||
handle: Handle::NULL,
|
||
tile_idx: Some(tile_idx),
|
||
// Fills the whole widget (= pane); normalized rect is (0,0,1,1).
|
||
screen_rect: Rectangle {
|
||
x: 0.0,
|
||
y: 0.0,
|
||
width: canvas.0,
|
||
height: canvas.1,
|
||
},
|
||
camera,
|
||
render_mode: if is_active {
|
||
model_render_mode
|
||
} else {
|
||
tile.render_mode
|
||
},
|
||
active: is_active,
|
||
grid_on: tile.grid_on,
|
||
paper_sheet: false,
|
||
};
|
||
let viewports = self
|
||
.viewport_data_for(&inst, canvas, hover_region, show_viewcube)
|
||
.into_iter()
|
||
.collect();
|
||
let perf_nav = perf_nav.map(|mut sample| {
|
||
sample.build_ms = nav_build_started.elapsed().as_secs_f64() * 1000.0;
|
||
sample
|
||
});
|
||
Primitive {
|
||
viewports,
|
||
bg_color,
|
||
viewcube_text_color,
|
||
nav_perf: perf_nav,
|
||
}
|
||
}
|
||
|
||
/// Build one `ViewportData` from a `ViewportInstance`: gathers the
|
||
/// viewport's geometry (full model for the Model view / `Handle::NULL`,
|
||
/// or the layer-frozen subset for a paper viewport), its camera
|
||
/// uniforms, and the normalized screen rectangle.
|
||
fn viewport_data_for(
|
||
&self,
|
||
inst: &ViewportInstance,
|
||
canvas: (f32, f32),
|
||
hover_region: Option<usize>,
|
||
show_viewcube: bool,
|
||
) -> Option<ViewportData> {
|
||
let flags = render_mode_flags(inst.render_mode);
|
||
let view_wireframe = !flags.face3d_fill;
|
||
|
||
// Clip the viewport rect to the canvas; size the per-viewport MSAA
|
||
// / depth / resolve textures to that visible portion. Sizing them
|
||
// to the full vp rect would blow past wgpu's per-dimension texture
|
||
// limit (8192 on common GPUs) once paper-space zoom grows the rect
|
||
// far enough off the canvas.
|
||
let full = inst.screen_rect;
|
||
if full.width <= 0.0 || full.height <= 0.0 {
|
||
return None;
|
||
}
|
||
let visible_x = full.x.max(0.0);
|
||
let visible_y = full.y.max(0.0);
|
||
let visible_x_end = (full.x + full.width).min(canvas.0);
|
||
let visible_y_end = (full.y + full.height).min(canvas.1);
|
||
let visible_w = (visible_x_end - visible_x).max(0.0);
|
||
let visible_h = (visible_y_end - visible_y).max(0.0);
|
||
if visible_w < 1.0 || visible_h < 1.0 {
|
||
return None;
|
||
}
|
||
let uo = ((visible_x - full.x) / full.width).clamp(0.0, 1.0);
|
||
let vo = ((visible_y - full.y) / full.height).clamp(0.0, 1.0);
|
||
let us = (visible_w / full.width).clamp(0.0, 1.0);
|
||
let vs = (visible_h / full.height).clamp(0.0, 1.0);
|
||
|
||
// EVERY wire source is resident + camera-independent now (unified
|
||
// static-hold, `resident_wires_for`) and stamps its stable
|
||
// [`WIRE_CONTENT_GEN`] id into `last_model_wire_gen` — Model tiles,
|
||
// the paper sheet, content viewports and the pick composite alike. So
|
||
// the GPU wire upload, the Face3D split and the SDF text gather below
|
||
// are all skipped while the content is unchanged, and
|
||
// `render_signature` stays stable so paper hits the single-blit scene
|
||
// cache exactly like Model.
|
||
let base_arc = if let Some(tile_idx) = inst.tile_idx {
|
||
let aspect = if full.height > 0.0 {
|
||
full.width / full.height
|
||
} else {
|
||
1.0
|
||
};
|
||
self.model_tile_wires_arc(tile_idx, &inst.camera, aspect, full.height)
|
||
} else if inst.paper_sheet {
|
||
// The sheet renders the paper block's own entities + viewport
|
||
// borders — NOT the projected viewport content (the GPU content
|
||
// viewports draw that themselves).
|
||
self.paper_sheet_wires_arc()
|
||
} else if inst.handle == acadrust::Handle::NULL {
|
||
self.entity_wires_arc()
|
||
} else {
|
||
self.model_wires_for_viewport_arc(inst.handle, full.height)
|
||
};
|
||
// Wire-buffer content id for the upload gate. Preview / interim wires
|
||
// are NOT part of this buffer anymore (they go in a separate per-frame
|
||
// overlay buffer below), so the base id is the source's stable content
|
||
// gen — a drag or camera move never re-uploads the base wire set.
|
||
let wire_content_id = self.last_model_wire_gen.get();
|
||
let wire_patch = self.model_wire_patch_for(wire_content_id);
|
||
// Split Face3D wires from the rest. The split is content-only (keyed
|
||
// by the wire-set content id), so while the geometry is unchanged it's
|
||
// memoized rather than re-walking every wire (handle lookup + clone)
|
||
// each frame — for every source, since all ids are stable now.
|
||
let (face3d_wires, other_arc) = {
|
||
let cached = { self.split_cache.borrow().get(&wire_content_id).cloned() };
|
||
let inherited_empty = if let Some((base, patch)) = wire_patch.as_ref() {
|
||
if patch.face_pass_changed {
|
||
None
|
||
} else {
|
||
self.split_cache
|
||
.borrow()
|
||
.get(base)
|
||
.filter(|(_, others)| others.is_none())
|
||
.cloned()
|
||
}
|
||
} else {
|
||
None
|
||
};
|
||
let (fa, oa) = cached.or(inherited_empty).unwrap_or_else(|| {
|
||
// No Face3D wire at all (pure 2-D drawings, mesh imports):
|
||
// "others" would be a wire-for-wire copy of the base set —
|
||
// mark it `None` and use the base set directly instead of
|
||
// duplicating it (#358). The base Arc itself must not be
|
||
// stored in the cache (see the `split_cache` field docs).
|
||
let (fa, oa) = if base_arc.iter().any(|w| is_face3d_wire(w, &self.document)) {
|
||
let (f, o) = split_face3d_wires(&base_arc, &self.document);
|
||
(Arc::new(f), Some(Arc::new(o)))
|
||
} else {
|
||
(Arc::new(Vec::new()), None)
|
||
};
|
||
let mut c = self.split_cache.borrow_mut();
|
||
// Ids change on rebuild, so old keys die naturally; the cap
|
||
// just bounds pathological churn.
|
||
if c.len() > 8 {
|
||
c.clear();
|
||
}
|
||
c.insert(wire_content_id, (fa.clone(), oa.clone()));
|
||
(fa, oa)
|
||
});
|
||
self.split_cache
|
||
.borrow_mut()
|
||
.entry(wire_content_id)
|
||
.or_insert_with(|| (fa.clone(), oa.clone()));
|
||
(fa, oa.unwrap_or_else(|| Arc::clone(&base_arc)))
|
||
};
|
||
// Base wire set — the cached `other` Arc directly, never cloned to
|
||
// append overlays. Preview / interim wires ride in their own small
|
||
// per-frame buffer so the (potentially huge) base buffer stays resident
|
||
// and unchanged while a command preview or grip drag is live.
|
||
let all_wires = other_arc;
|
||
// A live overlay belongs to exactly one drawing context. In a paper
|
||
// layout, feeding model-space preview coordinates to the full-canvas
|
||
// sheet pass draws a second copy outside the floating viewport (#540).
|
||
// The inverse is equally wrong: paper-space coordinates must not be
|
||
// interpreted by a content viewport's model camera.
|
||
let show_live_overlay = if self.current_layout == "Model" {
|
||
inst.active
|
||
} else if let Some(active_viewport) = self.active_viewport {
|
||
!inst.paper_sheet && inst.handle == active_viewport
|
||
} else {
|
||
inst.paper_sheet
|
||
};
|
||
let preview_wires = if !show_live_overlay
|
||
|| (self.interim_wire.is_none() && self.preview_wires.is_empty())
|
||
{
|
||
Arc::new(Vec::new())
|
||
} else {
|
||
let mut v: Vec<WireModel> = Vec::with_capacity(self.preview_wires.len() + 1);
|
||
if let Some(iw) = &self.interim_wire {
|
||
v.push(iw.clone());
|
||
}
|
||
v.extend(self.preview_wires.iter().cloned());
|
||
Arc::new(v)
|
||
};
|
||
let preview_hatches = if show_live_overlay {
|
||
Arc::clone(&self.preview_hatches)
|
||
} else {
|
||
Arc::new(Vec::new())
|
||
};
|
||
|
||
// Build the camera at the *full* viewport's aspect so the ortho
|
||
// frustum matches what the viewport entity stores, then post-
|
||
// multiply by a clip-space "zoom into the visible sub-rect" that
|
||
// maps the visible portion to NDC [-1, 1]. Geometry passes
|
||
// rasterize into a visible-sized MSAA, so `viewport_size` (used
|
||
// by the wire shader to extrude line thickness in screen pixels)
|
||
// must be the visible size — but `world_per_pixel` is invariant
|
||
// under cropping (full_h cancels with vs) so the value computed
|
||
// from the full bounds is the one we want.
|
||
let full_bounds = Rectangle {
|
||
x: 0.0,
|
||
y: 0.0,
|
||
width: full.width.max(1.0),
|
||
height: full.height.max(1.0),
|
||
};
|
||
let mut uniforms =
|
||
Uniforms::new(&inst.camera, full_bounds, self.document.header.lineweight_display);
|
||
if self.document.header.paper_space_linetype_scaling
|
||
&& !inst.paper_sheet
|
||
&& inst.tile_idx.is_none()
|
||
&& inst.handle != Handle::NULL
|
||
{
|
||
if let Some(EntityType::Viewport(vp)) = self.document.get_entity(inst.handle) {
|
||
let viewport_scale =
|
||
vp_effective_scale(vp.custom_scale, vp.view_height, vp.height);
|
||
if viewport_scale.is_finite() && viewport_scale > 1e-9 {
|
||
uniforms.linetype_scale = (1.0 / viewport_scale) as f32;
|
||
}
|
||
}
|
||
}
|
||
// Crop the rotation-only RTE view-projection to the visible sub-rect.
|
||
uniforms.view_rot = crop_view_proj(uniforms.view_rot, uo, vo, us, vs);
|
||
uniforms.viewport_size = [visible_w, visible_h];
|
||
uniforms.flat_shade = if flags.flat_shade { 1.0 } else { 0.0 };
|
||
uniforms.transparency_enable = if self.transparency_display { 1.0 } else { 0.0 };
|
||
self.apply_document_lighting(&mut uniforms);
|
||
|
||
// `screen_rect` carries the *visible* sub-rectangle in normalized
|
||
// canvas coords — that's what `Pipeline::prepare` uses to size
|
||
// the per-viewport textures and what `Primitive::render` uses to
|
||
// pick the surface destination. The UV crop uniform reads as
|
||
// identity here, since the texture already covers exactly the
|
||
// visible portion.
|
||
let screen_rect = Rectangle {
|
||
x: visible_x / canvas.0,
|
||
y: visible_y / canvas.1,
|
||
width: visible_w / canvas.0,
|
||
height: visible_h / canvas.1,
|
||
};
|
||
|
||
// The paper sheet instance renders only the paper layout block's own
|
||
// fills (plus a synthetic white fill for the printable area) — NOT the
|
||
// model-block hatches. Those belong inside the floating content
|
||
// viewports; rendering them on the full-canvas sheet would let them
|
||
// bleed past the viewport borders whenever model coords overlap the
|
||
// paper area. Content viewports keep the full set (the model camera +
|
||
// per-viewport scissor place / clip them correctly).
|
||
// Per-viewport frozen-layer set for a paper content viewport. Content
|
||
// viewports must hide FILLS / IMAGES / SOLIDS on their frozen layers too,
|
||
// not just wires (which `model_wires_for_viewport_arc` already filters).
|
||
// Empty for the sheet, model tiles and the implicit-model view — none of
|
||
// which carry a per-viewport freeze — so those reuse the shared sets.
|
||
let vp_frozen: rustc_hash::FxHashSet<Handle> = if !inst.paper_sheet
|
||
&& inst.tile_idx.is_none()
|
||
&& inst.handle != acadrust::Handle::NULL
|
||
{
|
||
match self.document.get_entity(inst.handle) {
|
||
Some(EntityType::Viewport(vp)) => vp.frozen_layers.iter().cloned().collect(),
|
||
_ => rustc_hash::FxHashSet::default(),
|
||
}
|
||
} else {
|
||
rustc_hash::FxHashSet::default()
|
||
};
|
||
|
||
let (hatches, wipeout_hatches, paper_images) = if inst.paper_sheet {
|
||
let (hatches, wipeouts, images) = self.paper_sheet_render_models();
|
||
(hatches, wipeouts, Some(images))
|
||
} else {
|
||
(
|
||
self.hatch_models_for_viewport(&vp_frozen),
|
||
self.wipeout_models_for_viewport(&vp_frozen),
|
||
None,
|
||
)
|
||
};
|
||
let images = if let Some(images) = paper_images {
|
||
images
|
||
} else {
|
||
self.images_for_viewport(&vp_frozen)
|
||
};
|
||
// The paper sheet shows the layout's own 2-D content (fills, borders,
|
||
// annotation) — never the model's 3-D solids. Those are drawn inside
|
||
// the floating content viewports, whose model camera + per-viewport
|
||
// scissor place and clip them correctly. Feeding the model mesh set to
|
||
// the sheet piles every solid onto the paper origin, because the sheet
|
||
// camera works in paper coordinates, not model space — the same reason
|
||
// the sheet excludes model hatches and wires above.
|
||
let meshes = if inst.paper_sheet {
|
||
Arc::new(Vec::new())
|
||
} else {
|
||
self.meshes_for_viewport(&vp_frozen)
|
||
};
|
||
|
||
// SDF text quads (behind OCS_TEXT_SDF). The glyph quads ride on each
|
||
// entity's own wire (produced by the tessellator, transformed for
|
||
// block instances by the block-expand loop), so here we simply gather
|
||
// them from this viewport's wire set. This covers model text, block-
|
||
// internal text and the paper sheet's own annotation alike — each set
|
||
// draws only the text that belongs to it. Cached on the wire content
|
||
// id so an unchanged wire set is not re-walked every frame.
|
||
// The reuse fallback inside the gather is keyed per wire SOURCE — the
|
||
// sheet, a Model tile, a content viewport and the implicit view carry
|
||
// different glyph sets even at the same geometry epoch (#403). Paper
|
||
// sheets must also include their layout block: switching layouts does
|
||
// not change the geometry epoch, and a role-only key reused the prior
|
||
// sheet's glyph coordinates while its wires moved correctly. Tiles
|
||
// share the resident Model set, so they share one key; the implicit
|
||
// view mixes in the current layout block (BEDIT swaps sets without a
|
||
// geometry delta).
|
||
let text_source_key: u64 = if inst.tile_idx.is_some() {
|
||
0x1000_0000_0000_0000
|
||
} else if inst.paper_sheet {
|
||
0x2000_0000_0000_0000 | self.current_layout_block_handle().value()
|
||
} else if inst.handle == acadrust::Handle::NULL {
|
||
0x4000_0000_0000_0000 | self.current_layout_block_handle().value()
|
||
} else {
|
||
0x3000_0000_0000_0000 | inst.handle.value()
|
||
};
|
||
let draw_depths = self.draw_depth_map();
|
||
let text_verts = self.gather_text_verts(
|
||
&all_wires,
|
||
wire_content_id,
|
||
text_source_key,
|
||
&draw_depths,
|
||
);
|
||
// Grip-drag / command-preview glyphs, excluded from the epoch-cached base
|
||
// gather above. Two sources, both tiny (one operation's worth) and walked
|
||
// per frame: the overlay wires' own glyphs (MOVE / COPY / ROTATE / SCALE /
|
||
// STRETCH / MIRROR ghosts carry text_verts) and `self.preview_text` (the
|
||
// grip-slide fast path, which emits bare glyphs with empty preview_wires).
|
||
// The two never overlap — a slide leaves preview_wires empty — so a plain
|
||
// concat is correct, no double-draw (issue #316).
|
||
let preview_text_verts = {
|
||
let mut pv: Vec<crate::scene::pipeline::text_gpu::TextVertex> = Vec::new();
|
||
for w in preview_wires.iter() {
|
||
if !w.text_verts.is_empty() {
|
||
pv.extend_from_slice(&w.text_verts);
|
||
}
|
||
}
|
||
if show_live_overlay {
|
||
pv.extend_from_slice(&self.preview_text);
|
||
}
|
||
Arc::new(pv)
|
||
};
|
||
// Stable per-viewport identity (tagged so tile / sheet / content /
|
||
// implicit-model instances never collide), so a reused pipeline slot
|
||
// can tell it changed occupant and reset its caches.
|
||
let instance_id: u64 = if let Some(t) = inst.tile_idx {
|
||
0x1000_0000_0000_0000 | (t as u64)
|
||
} else if inst.paper_sheet {
|
||
0x2000_0000_0000_0000
|
||
} else {
|
||
0x3000_0000_0000_0000 | inst.handle.value()
|
||
};
|
||
// A paper content viewport with a non-rectangular clip entity gets its
|
||
// boundary projected into this render target's NDC (paper shape mapped
|
||
// through the same visible-sub-rect crop as the content). Rectangular
|
||
// viewports, the paper sheet and Model tiles clip via their own render
|
||
// rectangle and need no stencil boundary.
|
||
let clip_boundary_ndc = if !inst.paper_sheet
|
||
&& inst.tile_idx.is_none()
|
||
&& inst.handle != acadrust::Handle::NULL
|
||
&& self.current_layout != "Model"
|
||
{
|
||
Arc::new(self.viewport_clip_boundary_ndc(inst.handle, uo, vo, us, vs))
|
||
} else {
|
||
Arc::new(vec![])
|
||
};
|
||
Some(ViewportData {
|
||
instance_id,
|
||
wires: Arc::downgrade(&all_wires),
|
||
clip_boundary_ndc,
|
||
preview_wires,
|
||
preview_hatches,
|
||
face3d_wires,
|
||
text_verts,
|
||
preview_text_verts,
|
||
draw_depths: Arc::downgrade(&draw_depths),
|
||
hatches,
|
||
wipeout_hatches,
|
||
images,
|
||
meshes,
|
||
uniforms,
|
||
view_dir: (inst.camera.rotation * glam::Vec3::NEG_Z).normalize_or(glam::Vec3::NEG_Z),
|
||
cam_rotation: inst.camera.view_rotation_mat() * self.viewcube_ucs_mat(),
|
||
compass_rotation: inst.camera.view_rotation_mat(),
|
||
// Only the active viewport gets the hovered-region highlight.
|
||
hover_region: if inst.active { hover_region } else { None },
|
||
// The cube shows only on the active viewport, and only while the
|
||
// caller (the widget) says there is room for it beside the render
|
||
// bar — so it hides adaptively when the viewport gets narrow.
|
||
show_viewcube: inst.active && show_viewcube,
|
||
fill_mode: self.document.header.fill_mode,
|
||
view_wireframe,
|
||
mesh_fill: flags.mesh_fill,
|
||
show_3d_edges: flags.show_3d_edges,
|
||
display_silhouette: self.document.header.display_silhouette,
|
||
hidden_line: flags.hidden_line,
|
||
// Interaction LOD: suppress the costly hatch pass while the view is
|
||
// actively moving; the scene-render cache holds the full-quality
|
||
// (hatched) frame once it settles. Only applied to the on-screen
|
||
// Model / paper content — the paper *sheet* keeps its fills.
|
||
skip_hatch: self.hatch_lod_enabled() && !inst.paper_sheet && self.navigating_lod(),
|
||
geometry_epoch: self.geometry_epoch,
|
||
camera_generation: self.camera_generation,
|
||
wire_content_id,
|
||
wire_patch,
|
||
selected_handles: Arc::new(self.selected.iter().copied().collect()),
|
||
hover_handle: self.hover_highlight,
|
||
selection_generation: self.selection_generation,
|
||
selected_sig: self.selected_set_sig(),
|
||
screen_rect,
|
||
})
|
||
}
|
||
|
||
/// Update viewcube hover state from cursor position within `bounds`.
|
||
///
|
||
/// The cube draws in the top-right of the *active model tile* (which fills
|
||
/// the canvas when there is a single tile), so the hover hit-test maps the
|
||
/// cursor into that tile's local space and uses the tile's dimensions.
|
||
pub(in crate::scene) fn update_viewcube_state(
|
||
&self,
|
||
state: &mut CameraState,
|
||
bounds: Rectangle,
|
||
cursor: mouse::Cursor,
|
||
) {
|
||
let pos = cursor.position_in(bounds);
|
||
let cam_rotation = self.camera.borrow().view_rotation_mat() * self.viewcube_ucs_mat();
|
||
if let Some(p) = pos {
|
||
let tile = self.active_model_tile_bounds(bounds.width, bounds.height);
|
||
state.hover_region = hover_id(
|
||
p.x - tile.x,
|
||
p.y - tile.y,
|
||
tile.width,
|
||
tile.height,
|
||
cam_rotation,
|
||
VIEWCUBE_PX,
|
||
);
|
||
} else {
|
||
state.hover_region = None;
|
||
}
|
||
}
|
||
|
||
pub(in crate::scene) fn viewcube_mouse_interaction(&self, state: &CameraState) -> mouse::Interaction {
|
||
if state.hover_region.is_some() {
|
||
mouse::Interaction::Pointer
|
||
} else {
|
||
mouse::Interaction::default()
|
||
}
|
||
}
|
||
}
|
||
|
||
// ── Linetype pattern helper ───────────────────────────────────────────────
|
||
|
||
pub(crate) fn resolve_pattern(
|
||
table: &acadrust::tables::Table<LineType>,
|
||
name: &str,
|
||
scale: f32,
|
||
) -> (f32, [f32; 8]) {
|
||
let solid = (0.0, [0.0f32; 8]);
|
||
if name.eq_ignore_ascii_case("continuous")
|
||
|| name.eq_ignore_ascii_case("bylayer")
|
||
|| name.eq_ignore_ascii_case("byblock")
|
||
|| name.is_empty()
|
||
{
|
||
return solid;
|
||
}
|
||
let lt = match table.get(name) {
|
||
Some(lt) => lt,
|
||
None => return solid,
|
||
};
|
||
if lt.is_continuous() || lt.elements.is_empty() {
|
||
return solid;
|
||
}
|
||
|
||
// Keep dots (element length exactly 0) as 0.0 so the shader can render
|
||
// them as a fixed ~1 px mark; trailing array slots stay 0.0 padding and
|
||
// the shader tells the two apart by position (a 0.0 before the last
|
||
// non-zero element is a dot, trailing 0.0s are padding). The old code
|
||
// encoded dots as `0.01 * scale` — a tiny world-length dash that went
|
||
// sub-pixel at normal zoom and dragged the pattern's `min_elem` below one
|
||
// pixel, so the dash LOD collapsed dotted / dash-dot lines to solid (or,
|
||
// at larger LTSCALE, left only invisible sub-pixel dots between big
|
||
// gaps). (#149)
|
||
let mut pat = [0.0f32; 8];
|
||
let mut pat_len = 0.0f32;
|
||
for (i, el) in lt.elements.iter().take(8).enumerate() {
|
||
// positive = dash, negative = gap, exactly 0 = dot.
|
||
let v = el.length as f32 * scale;
|
||
pat[i] = v;
|
||
pat_len += v.abs();
|
||
}
|
||
if pat_len < 1e-6 {
|
||
return solid;
|
||
}
|
||
(pat_len, pat)
|
||
}
|
||
|
||
/// Whether a wire belongs to a Face3D entity, by document handle lookup —
|
||
/// so no changes to WireModel are needed.
|
||
fn is_face3d_wire(w: &WireModel, document: &acadrust::CadDocument) -> bool {
|
||
w.name
|
||
.parse::<u64>()
|
||
.ok()
|
||
.and_then(|v| document.get_entity(Handle::new(v)))
|
||
.map(|e| matches!(e, EntityType::Face3D(_)))
|
||
.unwrap_or(false)
|
||
}
|
||
|
||
/// Partition a wire list into (face3d_wires, other_wires).
|
||
///
|
||
/// O(N) per geometry epoch — acceptable since it runs once per epoch.
|
||
fn split_face3d_wires(
|
||
wires: &[WireModel],
|
||
document: &acadrust::CadDocument,
|
||
) -> (Vec<WireModel>, Vec<WireModel>) {
|
||
let mut face3d = Vec::new();
|
||
let mut others = Vec::new();
|
||
for w in wires {
|
||
if is_face3d_wire(w, document) {
|
||
face3d.push(w.clone());
|
||
} else {
|
||
others.push(w.clone());
|
||
}
|
||
}
|
||
(face3d, others)
|
||
}
|
||
|
||
// ── Layer-0 block inheritance (#221) ──────────────────────────────────────
|
||
// A block child on layer "0" with ByLayer properties inherits the block
|
||
// reference's *layer*; every other layer is "sticky" (keeps its own layer);
|
||
// ByBlock inherits the insert's own style; explicit properties always win.
|
||
#[cfg(test)]
|
||
mod layer0_inherit_tests {
|
||
use super::*;
|
||
use acadrust::entities::Line;
|
||
use acadrust::tables::Layer;
|
||
use acadrust::types::{Color, Transparency};
|
||
|
||
// ACI: 1 = red, 3 = green, 7 = white. Distinct, so the assertions below
|
||
// can tell "inherited the insert layer" from "kept layer 0".
|
||
fn doc() -> CadDocument {
|
||
let mut d = CadDocument::new();
|
||
let mut walls = Layer::new("Walls");
|
||
walls.color = Color::Index(1); // red
|
||
d.layers.add_or_replace(walls);
|
||
let mut zero = Layer::new("0");
|
||
zero.color = Color::Index(7); // white
|
||
d.layers.add_or_replace(zero);
|
||
let mut other = Layer::new("Other");
|
||
other.color = Color::Index(3); // green
|
||
d.layers.add_or_replace(other);
|
||
d
|
||
}
|
||
|
||
fn child(layer: &str, color: Color) -> EntityType {
|
||
let mut l = Line::new();
|
||
l.common.layer = layer.to_string();
|
||
l.common.color = color;
|
||
EntityType::Line(l)
|
||
}
|
||
|
||
fn resolve(d: &CadDocument, e: &EntityType, ins: [f32; 4]) -> [f32; 4] {
|
||
// Insert sits on "Walls"; its layer style is the layer-0 target.
|
||
let l0 = layer_render_style(d, "Walls");
|
||
render_style_for_block_sub(d, e, ins, l0.pat_len, l0.pat, l0.lw_px, l0).0
|
||
}
|
||
|
||
#[test]
|
||
fn layer0_bylayer_inherits_insert_layer() {
|
||
let d = doc();
|
||
let walls = layer_render_style(&d, "Walls").color;
|
||
let zero = layer_render_style(&d, "0").color;
|
||
let c = resolve(&d, &child("0", Color::ByLayer), walls);
|
||
assert_eq!(&c[..3], &walls[..3], "layer-0 child must show the insert's layer (Walls)");
|
||
assert_ne!(&c[..3], &zero[..3], "layer-0 child must NOT show layer 0's own color");
|
||
}
|
||
|
||
#[test]
|
||
fn nonzero_layer_is_sticky() {
|
||
let d = doc();
|
||
let walls = layer_render_style(&d, "Walls").color;
|
||
let other = layer_render_style(&d, "Other").color;
|
||
let c = resolve(&d, &child("Other", Color::ByLayer), walls);
|
||
assert_eq!(&c[..3], &other[..3], "a child on a normal layer keeps its own layer");
|
||
}
|
||
|
||
#[test]
|
||
fn byblock_inherits_insert_color() {
|
||
let d = doc();
|
||
let ins = [0.2, 0.4, 0.6, 1.0];
|
||
let c = resolve(&d, &child("0", Color::ByBlock), ins);
|
||
assert_eq!(&c[..3], &ins[..3], "ByBlock child uses the insert's color");
|
||
}
|
||
|
||
// A *top-level* (non-block-child) entity on layer 0 with ByLayer colour
|
||
// resolves layer 0's own colour and follows it when the layer is recoloured.
|
||
// Regression guard for the issue 231 layer-0 repaint path.
|
||
#[test]
|
||
fn toplevel_layer0_bylayer_follows_layer_color() {
|
||
let mut d = doc();
|
||
let e = child("0", Color::ByLayer);
|
||
let before = render_style_for(&d, &e).0;
|
||
if let Some(l) = d.layers.get_mut("0") {
|
||
l.color = Color::Index(3); // recolour layer 0 -> green
|
||
}
|
||
let after = render_style_for(&d, &e).0;
|
||
let green = tess_util::aci_to_rgba(&Color::Index(3));
|
||
assert_eq!(&after[..3], &green[..3], "top-level layer-0 ByLayer must follow layer 0's colour");
|
||
assert_ne!(&before[..3], &after[..3], "colour must change after recolour");
|
||
}
|
||
|
||
#[test]
|
||
fn explicit_color_wins_even_on_layer0() {
|
||
let d = doc();
|
||
let walls = layer_render_style(&d, "Walls").color;
|
||
let green = tess_util::aci_to_rgba(&Color::Index(3));
|
||
let c = resolve(&d, &child("0", Color::Index(3)), walls);
|
||
assert_eq!(&c[..3], &green[..3], "an explicit color must win even on layer 0");
|
||
}
|
||
|
||
#[test]
|
||
fn layer0_preserves_child_transparency() {
|
||
let d = doc();
|
||
let walls = layer_render_style(&d, "Walls").color;
|
||
let mut l = Line::new();
|
||
l.common.layer = "0".to_string();
|
||
l.common.color = Color::ByLayer;
|
||
l.common.transparency = Transparency::from_percent(0.5); // 50% transparent
|
||
let c = resolve(&d, &EntityType::Line(l), walls);
|
||
assert_eq!(&c[..3], &walls[..3], "RGB inherited from the insert layer");
|
||
assert!((c[3] - 0.5).abs() < 0.02, "child's own 50% transparency is kept, got {}", c[3]);
|
||
}
|
||
}
|