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c/multi: Use wait helper to implement wait frame

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Jakob Bornecrantz 2022-09-02 22:14:40 +01:00 committed by Ryan Pavlik
parent 1772baa90e
commit 221aea883a
1 changed files with 6 additions and 7 deletions
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13
src/xrt/compositor/multi/comp_multi_compositor.c
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@ -8,6 +8,7 @@
* @ingroup comp_multi
*/
#include "util/u_wait.h"
#include "xrt/xrt_gfx_native.h"
#include "os/os_time.h"
@ -564,14 +565,12 @@ multi_compositor_wait_frame(struct xrt_compositor *xc,
out_predicted_display_time_ns, //
out_predicted_display_period_ns); //
// Wait until the given wake up time.
u_wait_until(&mc->sleeper, wake_up_time_ns);
uint64_t now_ns = os_monotonic_get_ns();
if (now_ns < wake_up_time_ns) {
uint32_t delay = (uint32_t)(wake_up_time_ns - now_ns);
os_precise_sleeper_nanosleep(&mc->sleeper, delay);
}
now_ns = os_monotonic_get_ns();
// Signal that we woke up.
xrt_comp_mark_frame(xc, frame_id, XRT_COMPOSITOR_FRAME_POINT_WOKE, now_ns);
*out_frame_id = frame_id;
@ -942,7 +941,7 @@ multi_compositor_create(struct multi_system_compositor *msc,
// Passthrough our formats from the native compositor to the client.
mc->base.base.info = msc->xcn->base.info;
// Using in wait frame.
// Used in wait frame.
os_precise_sleeper_init(&mc->sleeper);
// This is safe to do without a lock since we are not on the list yet.