The open source OpenXR runtime
u/pacing: Add env var to use minimal frame period instead of calculated
authored by
BabbleBones
and committed by
Jakob Bornecrantz
8b441bdb
b14a8b44
+14
-1
+14
-1
src/xrt/auxiliary/util/u_pacing_app.c
+14
-1
src/xrt/auxiliary/util/u_pacing_app.c
···
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DEBUG_GET_ONCE_LOG_OPTION(log_level, "U_PACING_APP_LOG", U_LOGGING_WARN)
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DEBUG_GET_ONCE_FLOAT_OPTION(min_app_time_ms, "U_PACING_APP_MIN_TIME_MS", 1.0f)
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DEBUG_GET_ONCE_FLOAT_OPTION(min_margin_ms, "U_PACING_APP_MIN_MARGIN_MS", 2.0f)
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DEBUG_GET_ONCE_BOOL_OPTION(use_min_frame_period, "U_PACING_APP_USE_MIN_FRAME_PERIOD", false)
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#define UPA_LOG_T(...) U_LOG_IFL_T(debug_get_log_option_log_level(), __VA_ARGS__)
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#define UPA_LOG_D(...) U_LOG_IFL_D(debug_get_log_option_log_level(), __VA_ARGS__)
···
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DEBUG_PRINT_ID(frame_id);
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uint64_t period_ns = calc_period(pa);
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uint64_t period_ns;
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/*
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* We can either limit the application to a calculated frame rate that
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* depends on it's total frame time. Or we try to use the minimal frame
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* period, aka the compositor's frame period. This will use more power.
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*/
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if (!debug_get_bool_option_use_min_frame_period()) {
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period_ns = min_period(pa);
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} else {
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period_ns = calc_period(pa);
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}
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uint64_t predict_ns = predict_display_time(pa, now_ns, period_ns);
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// How long we think the frame should take.
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uint64_t frame_time_ns = total_app_time_ns(pa);