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#include <assert.h>
#include <stdlib.h>
#include <stdint.h>
#include <wayland-server.h>
#include <wlr/wlcore/wl_shm.h>
#include <wlr/util/list.h>
#include <wlr/util/log.h>
#include <wlr/render.h>
struct wlr_wl_shm {
struct wl_global *wl_global;
struct wl_list resources;
struct wl_list pools;
list_t *formats;
};
static void wl_shm_destroy(struct wl_resource *resource) {
struct wlr_wl_shm *shm = wl_resource_get_user_data(resource);
struct wl_resource *_resource = NULL;
wl_resource_for_each(_resource, &shm->resources) {
if (_resource == resource) {
struct wl_list *link = wl_resource_get_link(_resource);
wl_list_remove(link);
break;
}
}
}
struct wl_shm_interface wl_shm_impl = {
//.create_pool = wl_shm_create_pool
};
static void wl_shm_bind(struct wl_client *wl_client, void *_wlr_wl_shm,
uint32_t version, uint32_t id) {
struct wlr_wl_shm *wlr_shm = _wlr_wl_shm;
assert(wl_client && wlr_shm);
if (version > 1) {
wlr_log(L_ERROR, "Client requested unsupported wl_shm version, disconnecting");
wl_client_destroy(wl_client);
return;
}
struct wl_resource *wl_resource = wl_resource_create(
wl_client, &wl_shm_interface, version, id);
wl_resource_set_implementation(wl_resource, &wl_shm_impl,
wlr_shm, wl_shm_destroy);
wl_list_insert(&wlr_shm->resources, wl_resource_get_link(wl_resource));
for (size_t i = 0; i < wlr_shm->formats->length; ++i) {
uint32_t *f = wlr_shm->formats->items[i];
wl_shm_send_format(wl_resource, *f);
}
}
struct wlr_wl_shm *wlr_wl_shm_init(struct wl_display *display) {
struct wlr_wl_shm *shm = calloc(1, sizeof(struct wlr_wl_shm));
wl_list_init(&shm->resources);
wl_list_init(&shm->pools);
shm->formats = list_create();
shm->wl_global = wl_global_create(display, &wl_shm_interface, 1,
shm, wl_shm_bind);
return shm;
}
void wlr_wl_shm_add_format(struct wlr_wl_shm *shm, enum wl_shm_format format) {
assert(shm);
uint32_t *f = calloc(1, sizeof(uint32_t));
*f = format;
list_add(shm->formats, f);
}
void wlr_wl_shm_add_renderer_formats(struct wlr_wl_shm *shm,
struct wlr_renderer *renderer) {
assert(shm && renderer);
size_t len;
const enum wl_shm_format *formats = wlr_renderer_get_formats(renderer, &len);
for (size_t i = 0; i < len; ++i) {
wlr_wl_shm_add_format(shm, formats[i]);
}
}
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