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Add an adaptive_sync output command

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This enables/disables adaptive synchronization on the output.

For now, the default is disabled because it might cause flickering on
some hardware if clients don't submit frames at regular enough
intervals. In the future an "auto" option will only enable adaptive sync
if a fullscreen client opts-in via a Wayland protocol.
This commit is contained in:
Simon Ser 2020-03-02 15:30:50 +01:00 • committed by Drew DeVault
parent 9d0aa0cb83
commit 5d692b0581
7 changed files with 43 additions and 0 deletions
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8
sway/config/output.c
View file

@ -64,6 +64,7 @@ struct output_config *new_output_config(const char *name) {
oc->transform = -1;
oc->subpixel = WL_OUTPUT_SUBPIXEL_UNKNOWN;
oc->max_render_time = -1;
oc->adaptive_sync = -1;
return oc;
}
@ -104,6 +105,9 @@ void merge_output_config(struct output_config *dst, struct output_config *src) {
if (src->max_render_time != -1) {
dst->max_render_time = src->max_render_time;
}
if (src->adaptive_sync != -1) {
dst->adaptive_sync = src->adaptive_sync;
}
if (src->background) {
free(dst->background);
dst->background = strdup(src->background);
@ -390,6 +394,10 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
wlr_output_set_scale(wlr_output, scale);
}
if (oc && oc->adaptive_sync != -1) {
wlr_output_enable_adaptive_sync(wlr_output, oc->adaptive_sync == 1);
}
sway_log(SWAY_DEBUG, "Committing output %s", wlr_output->name);
if (!wlr_output_commit(wlr_output)) {
// Failed to modeset, maybe the output is missing a CRTC. Leave the