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config/output: Introduce apply_output_configs

Browse source 
Introduce apply_output_configs, which applies the specified matched
output configs as a single backend commit.

Reimplement apply_output_config_to_outputs using apply_output_configs.
This commit is contained in:
Kenny Levinsen 2024-03-16 00:48:56 +01:00 committed by Simon Ser
parent e2f3ebad8c
commit 3e03eb3a01
2 changed files with 135 additions and 24 deletions
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11
include/sway/config.h
View file

@ -291,6 +291,14 @@ struct output_config {
char *background_fallback;
};
/**
* An output config pre-matched to an output
*/
struct matched_output_config {
struct sway_output *output;
struct output_config *config;
};
/**
* Stores size of gaps for each side
*/
@ -684,6 +692,9 @@ 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 apply_output_configs(struct matched_output_config *configs,
size_t configs_len, bool test_only);
bool test_output_config(struct output_config *oc, struct sway_output *output);
struct output_config *store_output_config(struct output_config *oc);

148
sway/config/output.c
View file

@ -9,6 +9,7 @@
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_swapchain_manager.h>
#include "sway/config.h"
#include "sway/input/cursor.h"
#include "sway/output.h"
@ -716,39 +717,138 @@ struct output_config *find_output_config(struct sway_output *output) {
return get_output_config(id, output);
}
void apply_output_config_to_outputs(struct output_config *oc) {
// Try to find the output container and apply configuration now. If
// this is during startup then there will be no container and config
// will be applied during normal "new output" event from wlroots.
bool wildcard = strcmp(oc->name, "*") == 0;
struct sway_output *sway_output, *tmp;
wl_list_for_each_safe(sway_output, tmp, &root->all_outputs, link) {
if (output_match_name_or_id(sway_output, oc->name)) {
char id[128];
output_get_identifier(id, sizeof(id), sway_output);
struct output_config *current = get_output_config(id, sway_output);
if (!current) {
// No stored output config matched, apply oc directly
sway_log(SWAY_DEBUG, "Applying oc directly");
current = new_output_config(oc->name);
merge_output_config(current, oc);
}
apply_output_config(current, sway_output);
free_output_config(current);
bool apply_output_configs(struct matched_output_config *configs,
size_t configs_len, bool test_only) {
struct wlr_backend_output_state *states = calloc(configs_len, sizeof(*states));
if (!states) {
return false;
}
if (!wildcard) {
// Stop looking if the output config isn't applicable to all
// outputs
break;
}
sway_log(SWAY_DEBUG, "Committing %zd outputs", configs_len);
for (size_t idx = 0; idx < configs_len; idx++) {
struct matched_output_config *cfg = &configs[idx];
struct wlr_backend_output_state *backend_state = &states[idx];
backend_state->output = cfg->output->wlr_output;
wlr_output_state_init(&backend_state->base);
sway_log(SWAY_DEBUG, "Preparing config for %s",
cfg->output->wlr_output->name);
queue_output_config(cfg->config, cfg->output, &backend_state->base);
}
struct wlr_output_swapchain_manager swapchain_mgr;
wlr_output_swapchain_manager_init(&swapchain_mgr, server.backend);
bool ok = wlr_output_swapchain_manager_prepare(&swapchain_mgr, states, configs_len);
if (!ok) {
sway_log(SWAY_ERROR, "Swapchain prepare failed");
goto out;
}
if (test_only) {
// The swapchain manager already did a test for us
goto out;
}
for (size_t idx = 0; idx < configs_len; idx++) {
struct matched_output_config *cfg = &configs[idx];
struct wlr_backend_output_state *backend_state = &states[idx];
struct wlr_scene_output_state_options opts = {
.swapchain = wlr_output_swapchain_manager_get_swapchain(
&swapchain_mgr, backend_state->output),
};
struct wlr_scene_output *scene_output = cfg->output->scene_output;
struct wlr_output_state *state = &backend_state->base;
if (!wlr_scene_output_build_state(scene_output, state, &opts)) {
sway_log(SWAY_ERROR, "Building output state for '%s' failed",
backend_state->output->name);
goto out;
}
}
ok = wlr_backend_commit(server.backend, states, configs_len);
if (!ok) {
sway_log(SWAY_ERROR, "Backend commit failed");
goto out;
}
sway_log(SWAY_DEBUG, "Commit of %zd outputs succeeded", configs_len);
wlr_output_swapchain_manager_apply(&swapchain_mgr);
for (size_t idx = 0; idx < configs_len; idx++) {
struct matched_output_config *cfg = &configs[idx];
sway_log(SWAY_DEBUG, "Finalizing config for %s",
cfg->output->wlr_output->name);
finalize_output_config(cfg->config, cfg->output);
}
out:
wlr_output_swapchain_manager_finish(&swapchain_mgr);
for (size_t idx = 0; idx < configs_len; idx++) {
struct wlr_backend_output_state *backend_state = &states[idx];
wlr_output_state_finish(&backend_state->base);
}
free(states);
// Reconfigure all devices, since input config may have been applied before
// this output came online, and some config items (like map_to_output) are
// dependent on an output being present.
input_manager_configure_all_input_mappings();
// Reconfigure the cursor images, since the scale may have changed.
input_manager_configure_xcursor();
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
wlr_seat_pointer_notify_clear_focus(seat->wlr_seat);
cursor_rebase(seat->cursor);
}
return ok;
}
void apply_output_config_to_outputs(struct output_config *oc) {
size_t configs_len = wl_list_length(&root->all_outputs);
struct matched_output_config *configs = calloc(configs_len, sizeof(*configs));
if (!configs) {
return;
}
// Try to find the output container and apply configuration now. If
// this is during startup then there will be no container and config
// will be applied during normal "new output" event from wlroots.
int config_idx = 0;
struct sway_output *sway_output;
wl_list_for_each(sway_output, &root->all_outputs, link) {
if (sway_output == root->fallback_output) {
configs_len--;
continue;
}
struct matched_output_config *config = &configs[config_idx++];
config->output = sway_output;
config->config = find_output_config(sway_output);
if (!output_match_name_or_id(sway_output, oc->name)) {
continue;
}
if (!config->config && oc) {
// No stored output config matched, apply oc directly
sway_log(SWAY_DEBUG, "Applying oc directly");
config->config = new_output_config(oc->name);
merge_output_config(config->config, oc);
}
}
apply_output_configs(configs, configs_len, false);
for (size_t idx = 0; idx < configs_len; idx++) {
struct matched_output_config *cfg = &configs[idx];
free_output_config(cfg->config);
}
free(configs);
}
void reset_outputs(void) {