198 lines
6.2 KiB
C
198 lines
6.2 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_gamma_control.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/util/log.h>
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#include "gamma-control-protocol.h"
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#include "util/signal.h"
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static void resource_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void gamma_control_destroy(struct wlr_gamma_control *gamma_control) {
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if (gamma_control == NULL) {
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return;
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}
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wlr_signal_emit_safe(&gamma_control->events.destroy, gamma_control);
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wl_list_remove(&gamma_control->output_destroy_listener.link);
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wl_resource_set_user_data(gamma_control->resource, NULL);
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wl_list_remove(&gamma_control->link);
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free(gamma_control);
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}
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static const struct gamma_control_interface gamma_control_impl;
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static struct wlr_gamma_control *gamma_control_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &gamma_control_interface,
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&gamma_control_impl));
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return wl_resource_get_user_data(resource);
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}
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static void gamma_control_destroy_resource(struct wl_resource *resource) {
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struct wlr_gamma_control *gamma_control =
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gamma_control_from_resource(resource);
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gamma_control_destroy(gamma_control);
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}
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static void gamma_control_handle_output_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_gamma_control *gamma_control =
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wl_container_of(listener, gamma_control, output_destroy_listener);
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gamma_control_destroy(gamma_control);
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}
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static void gamma_control_set_gamma(struct wl_client *client,
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struct wl_resource *gamma_control_resource, struct wl_array *red,
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struct wl_array *green, struct wl_array *blue) {
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struct wlr_gamma_control *gamma_control =
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gamma_control_from_resource(gamma_control_resource);
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if (gamma_control == NULL) {
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return;
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}
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if (red->size != green->size || red->size != blue->size) {
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wl_resource_post_error(gamma_control_resource,
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GAMMA_CONTROL_ERROR_INVALID_GAMMA,
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"The gamma ramps don't have the same size");
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return;
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}
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uint32_t size = red->size / sizeof(uint16_t);
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uint16_t *r = (uint16_t *)red->data;
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uint16_t *g = (uint16_t *)green->data;
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uint16_t *b = (uint16_t *)blue->data;
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wlr_output_set_gamma(gamma_control->output, size, r, g, b);
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}
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static void gamma_control_reset_gamma(struct wl_client *client,
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struct wl_resource *gamma_control_resource) {
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// TODO
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}
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static const struct gamma_control_interface gamma_control_impl = {
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.destroy = resource_destroy,
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.set_gamma = gamma_control_set_gamma,
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.reset_gamma = gamma_control_reset_gamma,
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};
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static const struct gamma_control_manager_interface gamma_control_manager_impl;
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static struct wlr_gamma_control_manager *gamma_control_manager_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource, &gamma_control_manager_interface,
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&gamma_control_manager_impl));
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return wl_resource_get_user_data(resource);
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}
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static void gamma_control_manager_get_gamma_control(struct wl_client *client,
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struct wl_resource *gamma_control_manager_resource, uint32_t id,
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struct wl_resource *output_resource) {
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struct wlr_gamma_control_manager *manager =
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gamma_control_manager_from_resource(gamma_control_manager_resource);
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struct wlr_output *output = wlr_output_from_resource(output_resource);
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struct wlr_gamma_control *gamma_control =
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calloc(1, sizeof(struct wlr_gamma_control));
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if (gamma_control == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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gamma_control->output = output;
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int version = wl_resource_get_version(gamma_control_manager_resource);
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gamma_control->resource = wl_resource_create(client,
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&gamma_control_interface, version, id);
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if (gamma_control->resource == NULL) {
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free(gamma_control);
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wl_client_post_no_memory(client);
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return;
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}
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wlr_log(WLR_DEBUG, "new gamma_control %p (res %p)", gamma_control,
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gamma_control->resource);
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wl_resource_set_implementation(gamma_control->resource,
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&gamma_control_impl, gamma_control, gamma_control_destroy_resource);
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wl_signal_init(&gamma_control->events.destroy);
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wl_signal_add(&output->events.destroy,
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&gamma_control->output_destroy_listener);
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gamma_control->output_destroy_listener.notify =
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gamma_control_handle_output_destroy;
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wl_list_insert(&manager->controls, &gamma_control->link);
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gamma_control_send_gamma_size(gamma_control->resource,
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wlr_output_get_gamma_size(output));
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}
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static const struct gamma_control_manager_interface gamma_control_manager_impl = {
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.get_gamma_control = gamma_control_manager_get_gamma_control,
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};
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static void gamma_control_manager_bind(struct wl_client *client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_gamma_control_manager *manager = data;
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assert(client && manager);
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struct wl_resource *resource = wl_resource_create(client,
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&gamma_control_manager_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &gamma_control_manager_impl,
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manager, NULL);
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}
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void wlr_gamma_control_manager_destroy(
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struct wlr_gamma_control_manager *manager) {
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if (!manager) {
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return;
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}
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struct wlr_gamma_control *gamma_control, *tmp;
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wl_list_for_each_safe(gamma_control, tmp, &manager->controls, link) {
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gamma_control_destroy(gamma_control);
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}
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wlr_signal_emit_safe(&manager->events.destroy, manager);
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wl_list_remove(&manager->display_destroy.link);
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wl_global_destroy(manager->global);
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free(manager);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_gamma_control_manager *manager =
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wl_container_of(listener, manager, display_destroy);
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wlr_gamma_control_manager_destroy(manager);
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}
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struct wlr_gamma_control_manager *wlr_gamma_control_manager_create(
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struct wl_display *display) {
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struct wlr_gamma_control_manager *manager =
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calloc(1, sizeof(struct wlr_gamma_control_manager));
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if (!manager) {
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return NULL;
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}
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struct wl_global *global = wl_global_create(display,
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&gamma_control_manager_interface, 1, manager,
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gamma_control_manager_bind);
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if (!global) {
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free(manager);
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return NULL;
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}
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manager->global = global;
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wl_signal_init(&manager->events.destroy);
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wl_list_init(&manager->controls);
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manager->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &manager->display_destroy);
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return manager;
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}
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