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Add support for tearing-control-v1

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References: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3871

Adds option to allow tearing per output, as well as an option to force
enable or disable tearing for a specific application using a window
rule. Only works with fullscreen applications.
This commit is contained in:
Ricardo Steijn 2024-08-05 02:13:49 +02:00 • committed by GitHub
parent b881c2e84c
commit 9a1c411abd
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GPG key ID: B5690EEEBB952194
20 changed files with 243 additions and 3 deletions
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28
sway/desktop/output.c
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@ -232,6 +232,23 @@ static void output_configure_scene(struct sway_output *output,
}
}
static bool output_can_tear(struct sway_output *output) {
struct sway_workspace *workspace = output->current.active_workspace;
if (!workspace) {
return false;
}
struct sway_container *fullscreen_con = root->fullscreen_global;
if (!fullscreen_con) {
fullscreen_con = workspace->current.fullscreen;
}
if (fullscreen_con && fullscreen_con->view) {
return (output->allow_tearing && view_can_tear(fullscreen_con->view));
}
return false;
}
static int output_repaint_timer_handler(void *data) {
struct sway_output *output = data;
@ -275,6 +292,17 @@ static int output_repaint_timer_handler(void *data) {
wlr_output_state_set_gamma_lut(&pending, 0, NULL, NULL, NULL);
}
}
if (output_can_tear(output)) {
pending.tearing_page_flip = true;
if (!wlr_output_test_state(output->wlr_output, &pending)) {
sway_log(SWAY_DEBUG, "Output test failed on '%s', retrying without tearing page-flip",
output->wlr_output->name);
pending.tearing_page_flip = false;
}
}
if (!wlr_output_commit_state(output->wlr_output, &pending)) {
sway_log(SWAY_ERROR, "Page-flip failed on output %s", output->wlr_output->name);