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Introduce test_output_config

Browse source 
This function checks whether the backend would accept an output
configuration, without applying the changes.
This commit is contained in:
Simon Ser 2020-04-08 11:22:51 +02:00 committed by Drew DeVault
parent 40e87fa98a
commit 0cdcf66bbc
2 changed files with 58 additions and 28 deletions
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2
include/sway/config.h
View file

@ -691,6 +691,8 @@ void merge_output_config(struct output_config *dst, struct output_config *src);
bool apply_output_config(struct output_config *oc, struct sway_output *output);
bool test_output_config(struct output_config *oc, struct sway_output *output);
struct output_config *store_output_config(struct output_config *oc);
struct output_config *find_output_config(struct sway_output *output);

84
sway/config/output.c
View file

@ -331,34 +331,27 @@ static int compute_default_scale(struct wlr_output *output) {
return 2;
}
bool apply_output_config(struct output_config *oc, struct sway_output *output) {
static void queue_output_config(struct output_config *oc,
struct sway_output *output) {
if (output == root->noop_output) {
return false;
return;
}
struct wlr_output *wlr_output = output->wlr_output;
if (oc && !oc->enabled) {
// Output is configured to be disabled
sway_log(SWAY_DEBUG, "Disabling output %s", oc->name);
if (output->enabled) {
output_disable(output);
wlr_output_layout_remove(root->output_layout, wlr_output);
}
if (oc && (!oc->enabled || oc->dpms_state == DPMS_OFF)) {
sway_log(SWAY_DEBUG, "Turning off output %s", wlr_output->name);
wlr_output_enable(wlr_output, false);
return wlr_output_commit(wlr_output);
return;
}
bool was_enabled = output->enabled;
output->enabled = true;
if (!oc || oc->dpms_state != DPMS_OFF) {
if (!oc) {
sway_log(SWAY_DEBUG, "Turning on output %s", wlr_output->name);
wlr_output_enable(wlr_output, true);
if (oc && oc->width > 0 && oc->height > 0) {
sway_log(SWAY_DEBUG, "Set %s mode to %dx%d (%f Hz)", oc->name, oc->width,
oc->height, oc->refresh_rate);
sway_log(SWAY_DEBUG, "Set %s mode to %dx%d (%f Hz)",
wlr_output->name, oc->width, oc->height, oc->refresh_rate);
set_mode(wlr_output, oc->width, oc->height,
oc->refresh_rate, oc->custom_mode == 1);
} else if (!wl_list_empty(&wlr_output->modes)) {
@ -372,7 +365,6 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
sway_log(SWAY_DEBUG, "Set %s subpixel to %s", oc->name,
sway_wl_output_subpixel_to_string(oc->subpixel));
wlr_output_set_subpixel(wlr_output, oc->subpixel);
output_damage_whole(output);
}
if (oc && oc->transform >= 0) {
@ -395,19 +387,51 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
}
if (oc && oc->adaptive_sync != -1) {
sway_log(SWAY_DEBUG, "Set %s adaptive sync to %d", wlr_output->name,
oc->adaptive_sync);
wlr_output_enable_adaptive_sync(wlr_output, oc->adaptive_sync == 1);
}
}
bool apply_output_config(struct output_config *oc, struct sway_output *output) {
if (output == root->noop_output) {
return false;
}
struct wlr_output *wlr_output = output->wlr_output;
bool was_enabled = output->enabled;
if (oc && !oc->enabled) {
// Output is configured to be disabled
sway_log(SWAY_DEBUG, "Disabling output %s", oc->name);
if (output->enabled) {
output_disable(output);
wlr_output_layout_remove(root->output_layout, wlr_output);
}
} else {
output->enabled = true;
}
queue_output_config(oc, output);
if (!oc || oc->dpms_state != DPMS_OFF) {
output->current_mode = wlr_output->pending.mode;
}
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
// output disabled for now and try again when the output gets the mode
// we asked for.
sway_log(SWAY_ERROR, "Failed to modeset output %s", wlr_output->name);
// Failed to commit output changes, maybe the output is missing a CRTC.
// Leave the output disabled for now and try again when the output gets
// the mode we asked for.
sway_log(SWAY_ERROR, "Failed to commit output %s", wlr_output->name);
output->enabled = was_enabled;
return false;
}
if (config->reloading) {
output_damage_whole(output);
}
if (oc) {
enum scale_filter_mode scale_filter_old = output->scale_filter;
switch (oc->scale_filter) {
@ -424,7 +448,6 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
if (scale_filter_old != output->scale_filter) {
sway_log(SWAY_DEBUG, "Set %s scale_filter to %s", oc->name,
sway_output_scale_filter_to_string(output->scale_filter));
output_damage_whole(output);
}
}
@ -448,12 +471,6 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
output_configure(output);
}
if (oc && oc->dpms_state == DPMS_OFF) {
sway_log(SWAY_DEBUG, "Turning off output %s", oc->name);
wlr_output_enable(wlr_output, false);
wlr_output_commit(wlr_output);
}
if (oc && oc->max_render_time >= 0) {
sway_log(SWAY_DEBUG, "Set %s max render time to %d",
oc->name, oc->max_render_time);
@ -463,6 +480,17 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
return true;
}
bool test_output_config(struct output_config *oc, struct sway_output *output) {
if (output == root->noop_output) {
return false;
}
queue_output_config(oc, output);
bool ok = wlr_output_test(output->wlr_output);
wlr_output_rollback(output->wlr_output);
return ok;
}
static void default_output_config(struct output_config *oc,
struct wlr_output *wlr_output) {
oc->enabled = 1;