The open source OpenXR runtime
u/pacing: Split draw into draw and wait, improve pipelining
authored by
Jakob Bornecrantz
and committed by
Jakob Bornecrantz
05950701
47649f56
+14
-4
+14
-4
src/xrt/auxiliary/util/u_pacing_app.c
+14
-4
src/xrt/auxiliary/util/u_pacing_app.c
···
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{
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//! App time between wait returning and begin being called.
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uint64_t cpu_time_ns;
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//! Time between begin and frame rendering completing.
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//! Time between begin and frame data being delivered.
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uint64_t draw_time_ns;
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//! Time between the frame data being delivered and GPU completing.
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uint64_t wait_time_ns;
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//! Extra time between end of draw time and when the compositor wakes up.
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uint64_t margin_ns;
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} app; //!< App statistics.
···
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}
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while (pa->app.draw_time_ns > period_ns) {
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period_ns += base_period_ns;
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}
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while (pa->app.wait_time_ns > period_ns) {
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period_ns += base_period_ns;
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}
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···
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#define NS_TO_MS_F(ns) (time_ns_to_s(ns) * 1000.0)
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uint64_t diff_cpu_ns = f->when.begin_ns - f->when.wait_woke_ns;
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uint64_t diff_draw_ns = f->when.gpu_done_ns - f->when.begin_ns;
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uint64_t diff_draw_ns = f->when.delivered_ns - f->when.begin_ns;
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uint64_t diff_wait_ns = f->when.gpu_done_ns - f->when.delivered_ns;
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UPA_LOG_D(
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"Delivered frame %.2fms %s." //
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"\n\tperiod: %.2f" //
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"\n\tcpu o: %.2f, n: %.2f" //
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"\n\tdraw o: %.2f, n: %.2f", //
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"\n\tdraw o: %.2f, n: %.2f" //
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"\n\twait o: %.2f, n: %.2f", //
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time_ns_to_ms_f(diff_ns), late ? "late" : "early", //
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time_ns_to_ms_f(f->predicted_display_period_ns), //
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time_ns_to_ms_f(pa->app.cpu_time_ns), time_ns_to_ms_f(diff_cpu_ns), //
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time_ns_to_ms_f(pa->app.draw_time_ns), time_ns_to_ms_f(diff_draw_ns)); //
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time_ns_to_ms_f(pa->app.draw_time_ns), time_ns_to_ms_f(diff_draw_ns), //
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time_ns_to_ms_f(pa->app.wait_time_ns), time_ns_to_ms_f(diff_wait_ns)); //
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do_iir_filter(&pa->app.cpu_time_ns, IIR_ALPHA_LT, IIR_ALPHA_GT, diff_cpu_ns);
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do_iir_filter(&pa->app.draw_time_ns, IIR_ALPHA_LT, IIR_ALPHA_GT, diff_draw_ns);
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do_iir_filter(&pa->app.wait_time_ns, IIR_ALPHA_LT, IIR_ALPHA_GT, diff_wait_ns);
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// Trace the data.
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#ifdef XRT_FEATURE_TRACING