45 lines
3.2 KiB
Markdown
45 lines
3.2 KiB
Markdown
# Hardware parity
|
||
|
||
> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-10 · **Change:** major (first hardware assessment) · **Target:** Autodesk AutoCAD 2027 (Mac and Windows)
|
||
|
||
The hardware AutoCAD uses and how CADCraft compares, per platform. Work items:
|
||
[gaps.md](gaps.md#hardware).
|
||
|
||
**Headline (estimated): hardware ≈ 45%.** 2D GPU drawing, HiDPI and trackpads are covered on
|
||
every platform. Missing: 3D mice, tablets/digitizers, GPU-accelerated 3D (there is no 3D), and
|
||
any deliberate multi-monitor handling. Remaining: **≈ 15–25 Opus 5.5 hours**, plus a human with
|
||
the devices to test 3D mice and tablets.
|
||
|
||
Measured from the source on 2026-10-10 (`crates/ui-egui/src/gpu.rs`, `canvas.rs`,
|
||
`apps/cadcraft/src/graphics.rs`, `apps/cadcraft-web`); AutoCAD's side from Autodesk's system
|
||
requirements and graphics-performance documentation. Nothing was benchmarked in this pass.
|
||
|
||
| Feature | AutoCAD 2027 | CADCraft macOS | CADCraft Windows | CADCraft Linux / FreeBSD | CADCraft web |
|
||
|---|---|---|---|---|---|
|
||
| GPU canvas for 2D | yes (hardware acceleration, GPU smoothing, high-quality geometry) | wgpu on Metal | wgpu on DirectX 12 by default (`WGPU_BACKEND` overrides; GL avoided after AMD crashes, #31) | wgpu on Vulkan (or GL) | WebGPU, WebGL2 fallback |
|
||
| CPU fallback | software mode | yes (`tiny-skia` rasteriser) | yes | yes | — |
|
||
| GPU for 3D (shaded visual styles, ray-traced rendering) | yes | no (no 3D) | no | no | no |
|
||
| Low-latency presentation | yes | vsync or low-latency via `CADCRAFT_VSYNC` | same | no vsync queue so the crosshair keeps up (#183) | browser-controlled |
|
||
| HiDPI / Retina, display scaling | yes | yes (egui points per pixel) | yes; a Windows 11 DPI fix is queued upstream (PR #110) | yes | yes |
|
||
| Multi-monitor (palettes on other screens, per-monitor DPI) | yes | not handled deliberately; one window | same | same | — |
|
||
| Trackpad pan, pinch zoom | yes (Mac) | yes, with trackpad vs wheel detection (#58) | wheel only (precision touchpad untested) | wheel; delay reported on Linux Mint (#25) | browser events |
|
||
| Magic Mouse | yes | treated as a trackpad | — | — | — |
|
||
| Wheel mouse, middle-button pan | yes | yes | yes | yes | yes |
|
||
| 3D mouse (3Dconnexion SpaceMouse) | yes | **no** | **no** | **no** | no |
|
||
| Pen tablet / digitizer (TABLET command, calibration) | yes (Windows) | **no** | **no** | **no** | no |
|
||
| Screen magnifier following the cursor | yes | — | breaks (#39; PR #187 adds a system-cursor option) | — | — |
|
||
| Plotters and printers (PC3 devices, system printers) | yes | **no**: PDF/PNG/SVG files only; Print asks where to save the PDF (#26) | same | same | PDF bytes shown instead of a download (#134) |
|
||
|
||
## Performance on hardware (internal numbers only)
|
||
|
||
From the earlier roadmap (measured by the agents that built it, 2026-10-06, `cadcraft-cli perf`):
|
||
200,000 entities pick in 0.001 ms, about 4 ms after an edit (incremental R-tree), and the GPU
|
||
canvas draws a frame in about 4 ms. Nothing has been compared with AutoCAD on the same machine,
|
||
and 1M-entity drawings are untested. A 10 MB DWG took about two minutes to fail (#57).
|
||
|
||
## Revision history
|
||
|
||
| Date | Change | Summary |
|
||
|---|---|---|
|
||
| 2026-10-10 | major | First hardware parity doc: GPU backends per platform, input devices, displays, plotters |
|