ae3f37d3ec
The stalled loader thread is a lost wakeup in Xenia's POSIX threading, fixed on the canary branch as a60fe7d11 and written up here. A thread created suspended publishes state_ and suspend_count_ in two separate lock scopes, and Resume() waits only for state_ before testing suspend_count_ == 0 - so a resumer in the gap drops the resume and the thread waits forever. The Linux XThread::Resume discards that false, which is why the guest saw success. On the first clean boot after the fix the loader thread is the CALLER on 20 kernel-call lines and issues 4 ResolvePath reads. Every failed boot before it had exactly zero of both. Stated plainly as not shown: that boots now reach the menu RELIABLY. One post-fix boot, and it is confounded by the harness. Which is the second half. skip_intro.sh's title test has now been wrong twice in opposite directions: originally one absolute pixel (625,618) - a 1280x720 coordinate against the 1279x675 game surface, so it read the copyright line and timed out with the title on screen - and then my replacement, screen_id.py, which is too loose and called the SQUARE ENIX publisher logo "title" 151s into a boot, spending the script's single press there. is_title.py now counts the green (A) glyph over the whole frame: geometry-independent and specific, measured at 0 pixels on the logo and 1520 on a real title.
27 lines
1.0 KiB
Python
Executable File
27 lines
1.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Is this frame the interactive title screen? Exit 0 if yes.
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Counts the pixels of the **green (A) glyph** in "PRESS (A) BUTTON" anywhere in
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the frame. That is the one thing only the interactive title has, and counting is
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geometry-independent — unlike the single absolute pixel this replaced, which was
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a 1280x720 coordinate being sampled against the 1279x675 game surface and always
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read the copyright line.
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`screen_id.py` is too loose for this job on its own: it called the SQUARE ENIX
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publisher logo "title" 151 s into a boot, and skip_intro spent its one press
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there. Measured on a real title frame: 1442 glyph pixels, centred near (622,572).
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is_title.py FRAME.png [min_pixels]
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"""
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import sys
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import numpy as np
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from PIL import Image
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a = np.asarray(Image.open(sys.argv[1]).convert("RGB"), dtype=int)
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r, g, b = a[:, :, 0], a[:, :, 1], a[:, :, 2]
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n = int(((g > 130) & (g - r > 45) & (g - b > 45)).sum())
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need = int(sys.argv[2]) if len(sys.argv) > 2 else 400
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print(f"green-glyph px {n} (need {need})")
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sys.exit(0 if n >= need else 1)
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