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7 Commits
Author SHA1 Message Date
Christian Svensson 8cd37e0a68 gpu: take wgpu's backend options from its environment variables 
The adapter selection built its wgpu instance with default backend
options, so WGPU_DX12_COMPILER had no effect: on DX12 there was no way to
choose between FXC and DXC when measuring them (#561: FXC takes ~8.5 s
to create the GPU solver's pipelines and runs it at half of Vulkan's
speed, DXC 0.5 s and full speed). The options now come from wgpu's own
environment variables. staticdxc is refused with an error: it needs
wgpu's static-dxc feature, which FieldCraft does not build, and wgpu
would panic on it.

Part of #561.
 2026-10-17 10:45:13 -04:00
jyvikoandClaude Opus 5.5 b655af305a gpu: Capturer::on_device and Renderer::report 
A capturer on a device already open (the app's), and the renderer's
JSON shared by every reply.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-16 08:27:21 -04:00
jyvikoandClaude Opus 5.5 7714afbced gpu: Capturer::offscreen draws one pass that a caller records 
Capturer::rgba becomes offscreen() (sizes, error scopes, MSAA, depth,
read-back) plus finish() (background and labels), so another painter,
such as the window's paint callback, can draw into the same pass.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-16 08:27:17 -04:00
jyvikoandClaude Opus 5.5 c6bc4d2ba0 ci: prove the lavapipe GPU path draws (FIELDCRAFT_REQUIRE_GPU=1) 
The drawing tests skipped silently without an adapter. Under
FIELDCRAFT_REQUIRE_GPU=1 they fail instead, and the snapshot and MCP
screenshot tests require a GPU renderer. CI runs them with
FIELDCRAFT_GPU=software on lavapipe.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-16 07:52:10 -04:00
jyvikoandClaude Opus 5.5 c9163e98ad gpu: captures draw name labels; a shared capturer and a PNG with the CPU as last tier 
render::draw_labels draws a scene's labels over finished pixels in the CPU
rasterizer's font. capture::shared opens the process's device once by the
FIELDCRAFT_GPU policy; capture::png draws on it or on the CPU and reports
which (Renderer).

Refs #422

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-15 20:50:40 -04:00
jyvikoandClaude Opus 5.5 fee978c7e4 cli: snapshot draws a script's model to a PNG with no window 
fieldcraft-cli snapshot script.json --out shot.png [--view] [--size WxH]
draws the engine's framed scene (engine::view::frame, shared with the CPU
render_png) with the viewport's GPU pipelines offscreen: hardware GPU, then
a software one, then the CPU rasterizer (FIELDCRAFT_GPU=auto|hardware|
software|cpu). CI installs lavapipe so the GPU path runs there.

Refs #422

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-15 20:19:00 -04:00
jyvikoandClaude Opus 5.5 248e74ca9e gpu: the viewport's pipelines move to a crate of their own (fieldcraft-gpu) 
ui-egui keeps only the egui_wgpu paint callback; the shaders, batching and
pipelines are fieldcraft-gpu's view module, so an offscreen picture can draw
with the window's pipelines.

Refs #422

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
 2026-10-15 20:19:00 -04:00