The open source OpenXR runtime
u/pacing: Add minimum app time option
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-1
+19
-1
src/xrt/auxiliary/util/u_pacing_app.c
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-1
src/xrt/auxiliary/util/u_pacing_app.c
···
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#include <inttypes.h>
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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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#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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int64_t frame_counter;
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// Minimum calculated frame (total app time).
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double min_app_time_ms;
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struct
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{
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//! App time between wait returning and begin being called.
···
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min_period(const struct pacing_app *pa)
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{
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return pa->last_input.predicted_display_period_ns;
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}
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static uint64_t
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min_app_time(const struct pacing_app *pa)
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{
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return (uint64_t)(pa->min_app_time_ms * (double)U_TIME_1MS_IN_NS);
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}
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static uint64_t
···
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static uint64_t
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total_app_time_ns(const struct pacing_app *pa)
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{
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return pa->app.cpu_time_ns + pa->app.draw_time_ns + pa->app.wait_time_ns;
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uint64_t total_ns = pa->app.cpu_time_ns + pa->app.draw_time_ns + pa->app.wait_time_ns;
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uint64_t min_ns = min_app_time(pa);
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if (total_ns < min_ns) {
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total_ns = min_ns;
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}
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return total_ns;
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}
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static uint64_t
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pa->app.cpu_time_ns = U_TIME_1MS_IN_NS * 2;
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pa->app.draw_time_ns = U_TIME_1MS_IN_NS * 2;
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pa->app.margin_ns = U_TIME_1MS_IN_NS * 2;
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pa->min_app_time_ms = debug_get_float_option_min_app_time_ms();
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for (size_t i = 0; i < ARRAY_SIZE(pa->frames); i++) {
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pa->frames[i].state = U_PA_READY;