CydandClaude Opus 4.8 dce89a8571 Phase 3b: live OpenGL render backend in DOSBox-X (VPX_RENDER=1) ...

The emulated VPX board now draws frames in real time. The FIFO burst
assembler feeds an in-process DPL scene store; each vr_draw_scene publishes a
frame snapshot to a dedicated WGL window thread that renders it fixed-function.

- vpxlog.cpp: scene_burst() decode + VScene store + rt_main GL window thread;
  glFrustum from the view-node window rect, glScalef(-1,1,1) for Division's
  mirrored screen-x, action-31 camera as modelview. No build change (opengl32
  already linked).
- Validated: flyk divrgb.scn opens the "VPX VelociRender (emulated)" window
  and draws the SMPTE bars live via the real camera.spl spline camera
  (divrgb-live-gl.png), matching the offline render_capture.py decode.
- Game path (alpha1.conf) opens the window + draws background but hits the
  pre-existing production btdpl.ini vr_sync timeout (sends_wo_rcv) -- not a 3b
  issue. Remaining work tracked in PHASE3-PROGRESS.md.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-03 14:27:58 -05:00

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