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ChuckandClaude Opus 5.5
7f9c73e9aa
Vegas scrolls a whole number of pixels per panel refresh, locked to SwapOnVSync, against the refresh the panel really holds (measured from swap gaps), instead of blending sub-pixel positions against the refresh cap. The web preview PNG is encoded off the render thread while scrolling, with writes ordered and retried. On hdpi, late frames fell from 6.3% to 0.7%. See docs/SCROLL_PERFORMANCE.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
"""run_iteration() does no per-iteration static-mode bookkeeping.
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Every iteration used to rebuild a set of STATIC-mode plugins -- asking each
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plugin for its display mode and logging the result at INFO -- that nothing
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ever read. The static pause is driven by _check_static_plugin_trigger(), which
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looks at the next segment, not at that set.
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"""
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import logging
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import threading
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from types import SimpleNamespace
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from unittest.mock import MagicMock
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from src.plugin_system.base_plugin import VegasDisplayMode
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from src.vegas_mode.config import VegasModeConfig
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from src.vegas_mode.coordinator import VegasModeCoordinator
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def _coordinator(plugins):
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coord = VegasModeCoordinator.__new__(VegasModeCoordinator)
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coord.vegas_config = VegasModeConfig.from_config({'display': {'vegas_scroll': {
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'enabled': True, 'max_cycle_duration': 0}}})
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coord.render_pipeline = MagicMock()
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# The loop paces itself from these (#628); a MagicMock can't be compared.
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coord.render_pipeline.frame_interval = 0.0
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coord.render_pipeline.target_fps = 90
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coord.stream_manager = MagicMock()
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coord.display_manager = MagicMock()
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coord.plugin_manager = SimpleNamespace(plugins=plugins, get_plugin=plugins.get)
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coord.stats = {'cycles_completed': 0, 'interruptions': 0}
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coord._state_lock = threading.Lock()
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coord._is_active = True
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coord._is_paused = False
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coord._should_stop = False
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coord._fps_last_health_log = 0.0
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coord._fps_was_degraded = False
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coord._live_priority_check = None
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coord._live_priority_active = False
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coord._interrupt_check = None
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coord._interrupt_check_interval = 10
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coord._update_callback = None
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coord._update_tick_running = False
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coord._check_static_plugin_trigger = lambda: None
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coord.run_frame = lambda: True
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return coord
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def test_an_iteration_does_not_poll_every_plugin_for_its_mode(caplog):
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static = MagicMock()
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static.get_vegas_display_mode.return_value = VegasDisplayMode.STATIC
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coord = _coordinator({'static-plugin': static})
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with caplog.at_level(logging.INFO, logger='src.vegas_mode.coordinator'):
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assert coord.run_iteration() is True
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static.get_vegas_display_mode.assert_not_called()
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assert not any('Static mode plugins' in r.getMessage() for r in caplog.records)
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