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compositor: store frame flags from finish frame

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These are used to determine if the previous frame was displayed with
tearing, which is useful in determining when the next frame time should
be.

Store these as a step towards breaking the frame time calculations out
of output_finish_frame into a separate function.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-10-22 15:25:31 -05:00
parent f1bcedd089
commit 01b7e9d015
2 changed files with 3 additions and 0 deletions
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1
include/libweston/libweston.h
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@ -445,6 +445,7 @@ struct weston_output {
struct wl_signal destroy_signal; /**< sent when disabled */
struct weston_coord_global move;
struct timespec frame_time; /* presentation timestamp */
uint32_t frame_flags; /* presentation flags */
uint64_t msc; /* media stream counter */
int disable_planes;
int destroying;

2
libweston/compositor.c
View file

@ -4154,6 +4154,7 @@ weston_output_finish_frame(struct weston_output *output,
if (!stamp) {
output->next_repaint = now;
output->next_present = now;
output->frame_flags = 0;
goto out;
}
@ -4172,6 +4173,7 @@ weston_output_finish_frame(struct weston_output *output,
}
output->frame_time = *stamp;
output->frame_flags = presented_flags;
/* If we're tearing just repaint right away */
if (presented_flags & WESTON_FINISH_FRAME_TEARING) {