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f3d27f51c2f752777d16c1d310095978f9a68a16
BT411/engine/MUNGA_L4
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CydandClaude Opus 4.8 f3d27f51c2 glass panels: drop HALFTONE stretch (the per-display-mode perf sink) 
Playtester (Dave, SCREECH-PC, 4K) reported ~20 fps in the exploded per-display
glass panels vs ~130 fps in the cockpit surround -- same scene, same machine
(solo_20260809.log; maxDraw 57-92ms in panels vs 6-31ms surround).

Root cause: BlitSurface used SetStretchBltMode(HALFTONE) -- GDI's slowest,
per-output-pixel resample filter -- and BTGlassPanels_Tick repaints all 7 glass
windows SYNCHRONOUSLY on the main render thread every ~16 Hz.  7x HALFTONE
StretchDIBits of a 640x480 surface per pump stalls the frame.

Default to COLORONCOLOR (nearest); BT_GLASS_SMOOTH=1 restores HALFTONE.  The
MFDs are low-res pixel content, so nearest reads crisp -- arguably closer to the
pod CRT than the blur.  A/B on the dev box (fast, understates Dave's gain):
avg work 3.3->1.4ms, maxDraw stall 12-27->7ms, ~2.2x more frames per window.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-09 22:40:25 -05:00
..
libDPL
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
openal
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
sos
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
bgfload.cpp
Searchlight beam: the btfx brighten material class + BT_SPOT_SELF rig
2026-08-05 22:21:32 -05:00
bgfload.h
Searchlight beam: the btfx brighten material class + BT_SPOT_SELF rig
2026-08-05 22:21:32 -05:00
DXUtils.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
DXUtils.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
image.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
image.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
JOYSTICK.asm
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
l4d3d.h
Searchlight beam: the btfx brighten material class + BT_SPOT_SELF rig
2026-08-05 22:21:32 -05:00
l4glasswin.h
Glass panels: flash at full rate when unfocused + red Panic/Eject button
2026-08-04 19:28:11 -05:00
l4keylight.h
RGB keyboard lamp mirror + the shipped controls reference
2026-07-26 02:24:30 -05:00
l4riobank.h
Glass cockpit refit: one mode resolver, one button geometry, and a cockpit that scales
2026-07-26 02:23:40 -05:00
L4APP.cpp
Crash self-report + round-completed latch + PDB archiving
2026-07-24 08:51:50 -05:00
L4APP.H
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDEFX.cpp
Audio Phase 3 (AUDIO_FIDELITY F9/F11/F12): EFX lowpass + reverb split + cockpit placement
2026-07-16 11:59:39 -05:00
L4AUDEFX.h
Audio Phase 3 (AUDIO_FIDELITY F9/F11/F12): EFX lowpass + reverb split + cockpit placement
2026-07-16 11:59:39 -05:00
L4AUDHDW.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDHDW.h
Audio-dropout fix: OpenAL source-pool lifecycle (uninit aliasing, atomic-delete leak, stranded partials)
2026-07-23 11:23:07 -05:00
L4AUDIO.cpp
Gitea #51 ROOT CAUSE: LoopAtWill was mapped to "loop forever", arming 224 of 603 samples as endless OpenAL sources
2026-07-25 13:20:19 -05:00
L4AUDIO.h
Audio Phase 1 (AUDIO_FIDELITY F3/F4/F10/F15/F18/F20 + KB): the quick wins
2026-07-16 10:43:38 -05:00
L4AUDLVL.cpp
Gitea #51 ROOT CAUSE: LoopAtWill was mapped to "loop forever", arming 224 of 603 samples as endless OpenAL sources
2026-07-25 13:20:19 -05:00
L4AUDLVL.h
Gitea #51 ROOT CAUSE: LoopAtWill was mapped to "loop forever", arming 224 of 603 samples as endless OpenAL sources
2026-07-25 13:20:19 -05:00
L4AUDRES.cpp
Audio Phase 2 (AUDIO_FIDELITY F1/F2/F13/F14): full-zone soundbank -- key-splits,
2026-07-16 11:04:34 -05:00
L4AUDRES.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDRND.cpp
#32: RETRACT the retention diagnosis; count what matters (steals + true drops); name the saturating class
2026-08-02 01:42:10 -05:00
L4AUDRND.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDTUL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDWTR.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4AUDWTR.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4CTLTUL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4CTRL.cpp
fix: MFD panels never appeared with the HARDWARE RIO (PadRIO coupling)
2026-08-06 19:05:04 -05:00
L4CTRL.h
Input: the RIOBase seam + PadRIO -- the glass cockpit gets hands (step 2b)
2026-07-17 22:11:16 -05:00
L4D3D.cpp
Searchlight beam: the btfx brighten material class + BT_SPOT_SELF rig
2026-08-05 22:21:32 -05:00
L4DINPUT.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4DINPUT.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4DPLMEM.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4GAUGE.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4GAUGE.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4GAUIMA.cpp
MP live-play wave: collision economy, missiles, radar transform, panel polarity, comm ticker
2026-07-12 17:24:15 -05:00
L4GAUIMA.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4GAUTUL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4GLASSWIN.cpp
glass panels: drop HALFTONE stretch (the per-display-mode perf sink)
2026-08-09 22:40:25 -05:00
L4GREND.cpp
pod: freeze the ALPHA-MR rig in environ.ini (BT_FIT, L4PLASMA=NONE)
2026-08-06 17:40:39 -05:00
L4GREND.h
Gitea #48 ROOT-CAUSED + FIXED: MFD "stray blocks / misplaced lamps" = uninitialized translation-table entries leaking pixels into other displays' bit-planes
2026-07-25 17:20:19 -05:00
L4HOST.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4HOST.H
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4ICOM.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4ICOM.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4JOY.cpp
Generic joystick / HOTAS / pedals support: DirectInput 8 layer + capture wizard
2026-07-23 16:36:32 -05:00
L4JOY.h
Generic joystick / HOTAS / pedals support: DirectInput 8 layer + capture wizard
2026-07-23 16:36:32 -05:00
L4JOYSTK.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4KEYBD.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4KEYBD.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4KEYLIGHT.cpp
merge fix-ups: the four review findings + a build portability gate the merge exposed
2026-07-26 13:24:22 -05:00
L4LAMP.cpp
Gitea #47 COMPLETE: the ENG-button attention FLASH is live (jam / bay fire) -- MechTech status scan + BTL4GaugeAlarmManager + lamp chain, all from the binary
2026-07-25 16:04:34 -05:00
L4LAMP.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4MOUSE.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4MOUSE.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4MPPR.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4MPPR.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4NET.CPP
Connection audit: every connect/disconnect scenario handled + verified
2026-07-23 09:23:23 -05:00
L4NET.H
D1: relay-assigned seats -- players never need a player number
2026-07-18 12:11:03 -05:00
L4PADBINDINGS.cpp
bindings: one-time migration to the board-2 layout -- the two-population fork is gone
2026-07-26 14:19:13 -05:00
L4PADBINDINGS.h
bindings: one-time migration to the board-2 layout -- the two-population fork is gone
2026-07-26 14:19:13 -05:00
L4PADPANEL.cpp
The keyboard becomes the button board (RP412 bindings port) + a controls page
2026-07-26 03:23:27 -05:00
L4PADPANEL.h
Displays: on-screen cockpit buttons + desktop plasma + the glass preset (steps 2d/2e)
2026-07-17 22:21:22 -05:00
L4PADRIO.cpp
CROUCH complete: full cycle + MP replication verified
2026-08-06 00:50:12 -05:00
L4PADRIO.h
The keyboard becomes the button board (RP412 bindings port) + a controls page
2026-07-26 03:23:27 -05:00
L4PARTICLES.cpp
particles.png recovered (#79, found by cyd) -- particle texture ships at last
2026-07-29 20:53:07 -05:00
L4PARTICLES.h
the Owens crash: a device reset that never waited for the device (#35)
2026-07-29 08:21:41 -05:00
L4PCSPAK.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4PCSPAK.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4PLASMA.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4PLASMA.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4PLASMAWIN.cpp
Plasma window joins the glass_layout.cfg no-frame list
2026-08-04 19:38:29 -05:00
L4PLASMAWIN.h
Displays: on-screen cockpit buttons + desktop plasma + the glass preset (steps 2d/2e)
2026-07-17 22:21:22 -05:00
L4RIO.cpp
Input: the RIOBase seam + PadRIO -- the glass cockpit gets hands (step 2b)
2026-07-17 22:11:16 -05:00
L4RIO.h
Input: the RIOBase seam + PadRIO -- the glass cockpit gets hands (step 2b)
2026-07-17 22:11:16 -05:00
L4RIOBANK.cpp
Glass panels: flash at full rate when unfocused + red Panic/Eject button
2026-08-04 19:28:11 -05:00
L4SERIAL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4SERIAL.H
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4SPLR.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4SPLR.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4STEAMNET.cpp
Steam: the lobby + IDENTITY-TOKEN roster -- internet MP code-complete (step 4c)
2026-07-18 00:03:17 -05:00
L4STEAMNET.h
Steam: the lobby + IDENTITY-TOKEN roster -- internet MP code-complete (step 4c)
2026-07-18 00:03:17 -05:00
L4TIME.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4TIME.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4TOOL.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4TRACE.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4TSTALL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4VB8.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4VB8.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4VB16.cpp
pod: freeze the ALPHA-MR rig in environ.ini (BT_FIT, L4PLASMA=NONE)
2026-08-06 17:40:39 -05:00
L4VB16.h
Glass cockpit refit: one mode resolver, one button geometry, and a cockpit that scales
2026-07-26 02:23:40 -05:00
L4VIDEO.cpp
Merge Cyd's glass-lamp-latency: #138 unfocused flash-rate fix + red Panic/Eject + plasma no-frame
2026-08-06 09:48:21 -05:00
L4VIDEO.h
the Owens crash: a device reset that never waited for the device (#35)
2026-07-29 08:21:41 -05:00
L4VIDPER.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4VIDPER.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4VIDRND.cpp
Cockpit surround: composite the gauges around the 3D view (default desktop layout)
2026-07-20 20:39:34 -05:00
L4VIDRND.h
Boresight parallax FIXED + the #4/#5 verdict instrumentation (Gitea #16, #4, #5)
2026-07-20 14:51:54 -05:00
L4VIDTUL.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4WRHOUS.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
L4WRHOUS.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
Munga_L4 VS2008.vcproj
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
Munga_L4.vcproj
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
MUNGAL4.H
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
sndfile.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
tagIdents.h
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
temp.cpp
Initial commit: bt411 -- standalone Windows BattleTech (Tesla 4.10 port)
2026-07-05 21:03:40 -05:00
WTPresets.cpp
Audio Phase 2 (AUDIO_FIDELITY F1/F2/F13/F14): full-zone soundbank -- key-splits,
2026-07-16 11:04:34 -05:00