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Hardware path tracer: progressive + realtime modes (PT-1/2/3/3b) - #92

Merged

proggeramlug merged 16 commits into

mainfrom

feat/path-tracer

Jul 14, 2026

Merged

Hardware path tracer: progressive + realtime modes (PT-1/2/3/3b)#92
proggeramlug merged 16 commits into
mainfrom
feat/path-tracer

Commits on Jul 13, 2026
- feat(pt): mode plumbing + roadmap for the three-tier path tracer
  Ralph Kuepper
  committed
  9ba1fd4
- feat(pt): PT-1 progressive path-trace megakernel (M1+M2 verified)
  Ralph Kuepper
  committed
  b193e52
- feat(pt): PT-2 real hit shading + fix transposed inv_vp ray generation
  Ralph Kuepper
  committed
  74820ee
- feat(pt): PT-2 GGX specular + Burley diffuse BRDF sampling
  Ralph Kuepper
  committed
  b146b6d
- docs(pt): PT-2 M3 status - GGX landed, specular NEE rolls forward
  Ralph Kuepper
  committed
  dfbc54a
- fix(pt): make F9 usable in gameplay - dissolve-in progressive + firefly clamp
  Ralph Kuepper
  committed
  9068251
- feat(pt): PT-3 M1 - temporally reprojected realtime mode + AO degate
  Ralph Kuepper
  committed
  80be92a
- fix(pt): kill RT-mode fireflies at the source - Fresnel-at-view lobe pick
  Ralph Kuepper
  committed
  8f23929
- feat(pt): PT-3 M2 - edge-aware a-trous denoiser for realtime mode
  Ralph Kuepper
  committed
  a0b9115
- feat(pt): PT-3 M3 - half-res tracing + SVGF-style filtering for RT mode
  Ralph Kuepper
  committed
  5f3ae83
Commits on Jul 14, 2026
- fix(pt): despeckle pass + history-guided spike clamp for RT sparkles
  Ralph Kuepper
  committed
  d7d7b61
- feat(pt): IGN-structured primary sun sampling + deeper RT history
  Ralph Kuepper
  committed
  c209112
- fix(pt): freeze the RT sample sequence - zero PT-injected temporal noise
  Ralph Kuepper
  committed
  7ee970d
- feat(pt): hybrid direct sun + sun specular for realtime mode
  Ralph Kuepper
  committed
  85920d8
- feat(pt): decouple the realtime ray budget from the raster render scale
  Ralph Kuepper
  committed
  4384741
- feat: PT-3b - canonical SVGF denoiser for the realtime path tracer
  Ralph Kuepper
  committed
  78c8f4d

Commits

Commits on Jul 13, 2026

Commits on Jul 14, 2026