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aiongg
b32deda339
win-mixed-dpi 38dad0fb. Cargo.lock: next's lock plus the winit git source and the dpi 0.1.1 it brings (merged clean; cargo metadata --offline leaves it unchanged).
Conflict: apps/designcraft/src/main.rs: next's startup (adapter selection, catch_unwind, apple events) with log_uncaptured_errors at the top of its wgpu_render_state block; request_adapter_texture_size and mod gpu_limits merged clean
Conflict: ROADMAP.md: progress log both
Conflict: docs/hardware-parity.md: header keeps next's change list plus the mixed-DPI note
63 lines
5.0 KiB
Markdown
63 lines
5.0 KiB
Markdown
# Hardware and platform parity
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> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-12 · **Change:** minor (font managers on macOS; shared print spooler; Windows CI passes; Windows mixed-DPI drag and windows wider than 8192 px don't crash) · **Target:** Adobe InDesign 2026 (21.6)
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What InDesign does with hardware, per platform, against DesignCraft. Layout is not a
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GPU-hungry workload, so this dimension carries little weight, but a start that fails on a
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graphics driver loses the user entirely. Overall numbers: [target-app-parity.md](target-app-parity.md).
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**Hardware: ~45% ready, 20–40 h. Platforms: ~55% ready, 40–80 h.** (estimated)
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## Hardware features
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| Feature | InDesign 2026 | DesignCraft macOS | Windows | Linux | Web |
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|---|---|---|---|---|---|
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| GPU display (canvas) | GPU Performance: GPU preview, animated zoom (Metal on macOS; Windows with supported GPUs) | canvas rasterized on the CPU (vello_cpu, SIMD, multithreaded), presented by wgpu (Metal) | wgpu DirectX 12 (since #297), Vulkan/OpenGL fallback | Vulkan, OpenGL fallback | WebGPU, WebGL2 fallback |
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| Start-up on any GPU | robust | Metal device lost on Intel Macs (#334) | AMD OpenGL crash (#167), launch failures (#273) | some reports (#192, #220) | |
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| Backend fallback | n/a | `gpu.json` skips a backend whose start never showed a frame (#297) | same | same | |
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| Adapter choice and restart | n/a | power saving; a GPU that fails or hangs at start-up is left out and the app starts again on the other one; indirect-call check off (#334) | the GPU that drives the primary display (`EnumDisplayDevices`); DirectX 12 adapters, then OpenGL, then Vulkan | the GPU that drives the panel or a monitor (sysfs), then the system's order | |
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| Animated / scrubby zoom | ✓ (GPU) | ✓ (CPU tiles, damage regions) | ✓ | ✓ | ✓ |
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| HiDPI / Retina | ✓ | ✓ | ✓ (drags across monitors with different scales keep the window's size: winit pinned to the rust-windowing/winit#4694 backport) | ✓ | ✓ |
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| UI scaling | ✓ | ✓ (menus and dialogs usable at larger scales, #281) | ✓ | ✓ | ✓ |
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| Multi-monitor, floating document windows | ✓ | ~ one window; New Window for the same document; the window may span monitors up to the GPU's largest texture (16384 px on DirectX 12, Vulkan and Metal hardware), and beyond it draws wrongly instead of closing | ~ | ~ | ✗ |
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| Printing | system print with PPDs, PostScript, separations | PDF to CUPS (`craft-print`) | Windows PDF raster spooler (`craft-print`) | PDF to CUPS (`craft-print`) | browser download |
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| Colour-managed display (monitor profile) | ✓ | ✗ (working CMYK profile simulated; monitor profile not applied) | ✗ | ✗ | ✗ |
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| Touch / pen | Touch workspace (Windows), gestures | trackpad pinch/scroll | ~ | ~ | ~ |
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| Multi-core composition | single-threaded composer per story (documented by Adobe as mostly single-threaded) | parallel story composition (rayon), 6.7× on the sample | ✓ | ✓ | single-threaded |
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## Platforms
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| Platform | InDesign 2026 | DesignCraft | Evidence |
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|---|---|---|---|
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| macOS (Apple silicon, Intel) | ✓ | ✓ primary development platform | Intel GPU start failure (#334); window controls misaligned (#333) |
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| Windows x64 | ✓ | ~ builds and installers ship | copy/paste and context menus (#351, #312), installer confusion (#64), launch failures (#273, #167) |
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| Windows ARM64 | ✓ | ~ build (CI workflow) | not exercised at runtime |
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| Linux (x86_64, aarch64; riscv64 tar.gz) | ✗ | ~ deb, AppImage, Flatpak | clipboard (#164), panels don't scroll (#267), CJK UI font (#332) |
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| FreeBSD | ✗ | ~ build | |
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| Web (WASM) | ✗ (InDesign on the web is not shipped) | ~ same UI, file picker, downloads; no control channel | |
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DesignCraft runs on more platforms than InDesign; what's missing is runtime testing on the ones
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the developers don't use daily.
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## Remaining effort
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| Work | Opus 5.5 h |
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| Start-up robustness on every GPU: confirm #297 with reporters, Intel Metal fix, CPU-only present fallback | 15–30 |
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| Printing fidelity, PostScript and print presets | 15–30 (counted in file-format-parity.md) |
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| Monitor profile in display colour management | 5–10 |
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| Windows and Linux runtime smoke tests in CI | 20–40 |
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| Multi-window document views | 15–30 |
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| **Hardware + platforms** | **60–120** |
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## Revision history
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| Date | Change | Summary |
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|---|---|---|
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| 2026-10-12 | trivial | Windows: dragging across monitors with different display scales doesn't grow the window and crash (winit pinned to the rust-windowing/winit#4694 backport); a window wider or taller than 8192 px keeps its surface, and a wgpu error logs instead of closing the app |
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| 2026-10-10 | major | Created from the code, InDesign 2026's GPU Performance features and the issue tracker |
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Windows submission now uses shared craft-print. It selects matching or default driver paper,
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shrinks oversized sheets to the printable area without enlarging smaller ones, and preserves
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the queue's duplex default; printer-driver options UI and physical output validation remain open.
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