mirrors/monado
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/monado/monado.git synced 2025-01-29 18:08:29 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

u/pacing: Add minimum wake period

Browse source 
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2293>
This commit is contained in:
Bones 2024-07-28 00:35:36 -04:00 committed by Marge Bot
parent 0c8793b5c0
commit f86705a8b6
1 changed files with 15 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
src/xrt/auxiliary/util/u_pacing_app.c
View file

@ -25,6 +25,7 @@ DEBUG_GET_ONCE_LOG_OPTION(log_level, "U_PACING_APP_LOG", U_LOGGING_WARN)
DEBUG_GET_ONCE_FLOAT_OPTION(min_app_time_ms, "U_PACING_APP_MIN_TIME_MS", 1.0f)
DEBUG_GET_ONCE_FLOAT_OPTION(min_margin_ms, "U_PACING_APP_MIN_MARGIN_MS", 2.0f)
DEBUG_GET_ONCE_BOOL_OPTION(use_min_frame_period, "U_PACING_APP_USE_MIN_FRAME_PERIOD", false)
DEBUG_GET_ONCE_BOOL_OPTION(immediate_wait_frame_return, "U_PACING_APP_IMMEDIATE_WAIT_FRAME_RETURN", false)
#define UPA_LOG_T(...) U_LOG_IFL_T(debug_get_log_option_log_level(), __VA_ARGS__)
#define UPA_LOG_D(...) U_LOG_IFL_D(debug_get_log_option_log_level(), __VA_ARGS__)
@ -462,7 +463,20 @@ pa_predict(struct u_pacing_app *upa,
// How long we think the frame should take.
int64_t frame_time_ns = total_app_time_ns(pa);
// When should the client wake up.
int64_t wake_up_time_ns = predict_ns - total_app_and_compositor_time_ns(pa);
int64_t wake_up_time_ns;
/*
* We can either wake the app to render as fast as possible or at the
* predicted time period minus some app and compositor time.
* The former uses substantially more power but is sometimes useful in debugging
*.or as a workaround.
*/
if (debug_get_bool_option_immediate_wait_frame_return()) {
wake_up_time_ns = now_ns;
} else {
wake_up_time_ns = predict_ns - total_app_and_compositor_time_ns(pa);
}
// When the client's GPU work should have completed.
int64_t gpu_done_time_ns = predict_ns - total_compositor_time_ns(pa);