The open source OpenXR runtime
u/pacing: Account for present slop in assert
+7
-2
+7
-2
src/xrt/auxiliary/util/u_pacing_compositor.c
+7
-2
src/xrt/auxiliary/util/u_pacing_compositor.c
···
30
30
31
31
#define NUM_FRAMES 16
32
32
33
+
#define PRESENT_SLOP_NS (U_TIME_HALF_MS_IN_NS)
34
+
33
35
34
36
/*
35
37
*
···
414
416
415
417
uint64_t wake_up_time_ns = f->wake_up_time_ns;
416
418
uint64_t desired_present_time_ns = f->desired_present_time_ns;
417
-
uint64_t present_slop_ns = U_TIME_HALF_MS_IN_NS;
419
+
uint64_t present_slop_ns = PRESENT_SLOP_NS;
418
420
uint64_t predicted_display_time_ns = f->predicted_display_time_ns;
419
421
uint64_t predicted_display_period_ns = pc->frame_period_ns;
420
422
uint64_t min_display_period_ns = pc->frame_period_ns;
···
483
485
}
484
486
return;
485
487
}
488
+
486
489
assert(f->state == STATE_SUBMITTED);
487
-
assert(f->desired_present_time_ns == desired_present_time_ns);
490
+
uint64_t unslopped_desired_present_time_ns = desired_present_time_ns + PRESENT_SLOP_NS;
491
+
assert(f->desired_present_time_ns == desired_present_time_ns ||
492
+
f->desired_present_time_ns == unslopped_desired_present_time_ns);
488
493
489
494
f->when_infoed_ns = when_ns;
490
495
f->actual_present_time_ns = actual_present_time_ns;