Merge pull request #1369 from ascent12/wayland_backend
Wayland backend improvements
This commit is contained in:
Drew DeVault
GitHub
commit
d2d8372cdc
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@ -23,7 +23,6 @@ backend_files = files(
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'session/session.c',
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'wayland/backend.c',
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'wayland/output.c',
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'wayland/registry.c',
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'wayland/wl_seat.c',
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)
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@ -1,131 +1,168 @@
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#include <assert.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <limits.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <wlr/config.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <wayland-server.h>
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#include <wlr/backend/interface.h>
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#include <wlr/interfaces/wlr_input_device.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/egl.h>
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#include <wlr/render/gles2.h>
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#include <wlr/util/log.h>
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#include "backend/wayland.h"
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#include "util/signal.h"
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#include "xdg-shell-unstable-v6-client-protocol.h"
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struct wlr_wl_backend *get_wl_backend_from_backend(
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struct wlr_backend *wlr_backend) {
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assert(wlr_backend_is_wl(wlr_backend));
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return (struct wlr_wl_backend *)wlr_backend;
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struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend) {
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assert(wlr_backend_is_wl(backend));
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return (struct wlr_wl_backend *)backend;
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}
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static int dispatch_events(int fd, uint32_t mask, void *data) {
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struct wlr_wl_backend *backend = data;
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int count = 0;
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struct wlr_wl_backend *wl = data;
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if ((mask & WL_EVENT_HANGUP) || (mask & WL_EVENT_ERROR)) {
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wl_display_terminate(backend->local_display);
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wl_display_terminate(wl->local_display);
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return 0;
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}
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if (mask & WL_EVENT_READABLE) {
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count = wl_display_dispatch(backend->remote_display);
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return wl_display_dispatch(wl->remote_display);
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}
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if (mask & WL_EVENT_WRITABLE) {
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wl_display_flush(wl->remote_display);
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return 0;
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}
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if (mask == 0) {
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count = wl_display_dispatch_pending(backend->remote_display);
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wl_display_flush(backend->remote_display);
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int count = wl_display_dispatch_pending(wl->remote_display);
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wl_display_flush(wl->remote_display);
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return count;
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}
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return count;
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return 0;
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}
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static void xdg_shell_handle_ping(void *data, struct zxdg_shell_v6 *shell,
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uint32_t serial) {
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zxdg_shell_v6_pong(shell, serial);
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}
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static const struct zxdg_shell_v6_listener xdg_shell_listener = {
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xdg_shell_handle_ping,
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};
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static void registry_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *iface, uint32_t version) {
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struct wlr_wl_backend *wl = data;
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wlr_log(WLR_DEBUG, "Remote wayland global: %s v%d", iface, version);
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if (strcmp(iface, wl_compositor_interface.name) == 0) {
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wl->compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 4);
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} else if (strcmp(iface, wl_seat_interface.name) == 0) {
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wl->seat = wl_registry_bind(registry, name,
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&wl_seat_interface, 2);
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wl_seat_add_listener(wl->seat, &seat_listener, wl);
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} else if (strcmp(iface, wl_shm_interface.name) == 0) {
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wl->shm = wl_registry_bind(registry, name,
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&wl_shm_interface, 1);
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} else if (strcmp(iface, zxdg_shell_v6_interface.name) == 0) {
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wl->shell = wl_registry_bind(registry, name,
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&zxdg_shell_v6_interface, 1);
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zxdg_shell_v6_add_listener(wl->shell, &xdg_shell_listener, NULL);
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}
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}
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static void registry_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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// TODO
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}
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static const struct wl_registry_listener registry_listener = {
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.global = registry_global,
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.global_remove = registry_global_remove
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};
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/*
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* Initializes the wayland backend. Opens a connection to a remote wayland
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* compositor and creates surfaces for each output, then registers globals on
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* the specified display.
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*/
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static bool backend_start(struct wlr_backend *wlr_backend) {
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struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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static bool backend_start(struct wlr_backend *backend) {
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struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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wlr_log(WLR_INFO, "Initializating wayland backend");
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poll_wl_registry(backend);
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if (!backend->compositor || !backend->shell) {
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wlr_log_errno(WLR_ERROR, "Could not obtain retrieve required globals");
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return false;
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wl->started = true;
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if (wl->keyboard) {
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create_wl_keyboard(wl->keyboard, wl);
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}
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backend->started = true;
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for (size_t i = 0; i < backend->requested_outputs; ++i) {
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wlr_wl_output_create(&backend->backend);
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for (size_t i = 0; i < wl->requested_outputs; ++i) {
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wlr_wl_output_create(&wl->backend);
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}
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struct wl_event_loop *loop = wl_display_get_event_loop(backend->local_display);
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int fd = wl_display_get_fd(backend->remote_display);
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int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
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backend->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
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dispatch_events, backend);
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wl_event_source_check(backend->remote_display_src);
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return true;
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}
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static void backend_destroy(struct wlr_backend *wlr_backend) {
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struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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if (backend == NULL) {
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static void backend_destroy(struct wlr_backend *backend) {
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if (!backend) {
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return;
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}
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struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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struct wlr_wl_output *output, *tmp_output;
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wl_list_for_each_safe(output, tmp_output, &backend->outputs, link) {
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wl_list_for_each_safe(output, tmp_output, &wl->outputs, link) {
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wlr_output_destroy(&output->wlr_output);
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}
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struct wlr_input_device *input_device, *tmp_input_device;
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wl_list_for_each_safe(input_device, tmp_input_device, &backend->devices, link) {
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wl_list_for_each_safe(input_device, tmp_input_device, &wl->devices, link) {
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wlr_input_device_destroy(input_device);
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}
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wlr_signal_emit_safe(&wlr_backend->events.destroy, wlr_backend);
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wlr_signal_emit_safe(&wl->backend.events.destroy, &wl->backend);
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wl_list_remove(&backend->local_display_destroy.link);
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wl_list_remove(&wl->local_display_destroy.link);
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free(backend->seat_name);
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free(wl->seat_name);
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if (backend->remote_display_src) {
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wl_event_source_remove(backend->remote_display_src);
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wl_event_source_remove(wl->remote_display_src);
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wlr_renderer_destroy(wl->renderer);
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wlr_egl_finish(&wl->egl);
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if (wl->pointer) {
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wl_pointer_destroy(wl->pointer);
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}
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wlr_renderer_destroy(backend->renderer);
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wlr_egl_finish(&backend->egl);
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if (backend->pointer) {
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wl_pointer_destroy(backend->pointer);
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if (wl->seat) {
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wl_seat_destroy(wl->seat);
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}
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if (backend->seat) {
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wl_seat_destroy(backend->seat);
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if (wl->shm) {
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wl_shm_destroy(wl->shm);
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}
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if (backend->shm) {
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wl_shm_destroy(backend->shm);
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}
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if (backend->shell) {
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zxdg_shell_v6_destroy(backend->shell);
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}
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if (backend->compositor) {
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wl_compositor_destroy(backend->compositor);
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}
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if (backend->registry) {
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wl_registry_destroy(backend->registry);
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}
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if (backend->remote_display) {
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wl_display_disconnect(backend->remote_display);
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}
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free(backend);
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zxdg_shell_v6_destroy(wl->shell);
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wl_compositor_destroy(wl->compositor);
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wl_registry_destroy(wl->registry);
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wl_display_disconnect(wl->remote_display);
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free(wl);
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}
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static struct wlr_renderer *backend_get_renderer(
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struct wlr_backend *wlr_backend) {
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struct wlr_wl_backend *backend = get_wl_backend_from_backend(wlr_backend);
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return backend->renderer;
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static struct wlr_renderer *backend_get_renderer(struct wlr_backend *backend) {
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struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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return wl->renderer;
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}
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static struct wlr_backend_impl backend_impl = {
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@ -139,38 +176,64 @@ bool wlr_backend_is_wl(struct wlr_backend *b) {
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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_wl_backend *backend =
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wl_container_of(listener, backend, local_display_destroy);
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backend_destroy(&backend->backend);
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struct wlr_wl_backend *wl =
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wl_container_of(listener, wl, local_display_destroy);
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backend_destroy(&wl->backend);
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}
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struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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const char *remote, wlr_renderer_create_func_t create_renderer_func) {
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wlr_log(WLR_INFO, "Creating wayland backend");
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struct wlr_wl_backend *backend = calloc(1, sizeof(struct wlr_wl_backend));
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if (!backend) {
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wlr_log(WLR_ERROR, "Allocation failed: %s", strerror(errno));
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struct wlr_wl_backend *wl = calloc(1, sizeof(*wl));
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if (!wl) {
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wlr_log_errno(WLR_ERROR, "Allocation failed");
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return NULL;
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}
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wlr_backend_init(&backend->backend, &backend_impl);
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wl_list_init(&backend->devices);
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wl_list_init(&backend->outputs);
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wlr_backend_init(&wl->backend, &backend_impl);
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backend->local_display = display;
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wl->local_display = display;
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wl_list_init(&wl->devices);
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wl_list_init(&wl->outputs);
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backend->remote_display = wl_display_connect(remote);
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if (!backend->remote_display) {
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wl->remote_display = wl_display_connect(remote);
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if (!wl->remote_display) {
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wlr_log_errno(WLR_ERROR, "Could not connect to remote display");
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goto error_connect;
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goto error_wl;
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}
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backend->registry = wl_display_get_registry(backend->remote_display);
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if (backend->registry == NULL) {
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wl->registry = wl_display_get_registry(wl->remote_display);
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if (!wl->registry) {
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wlr_log_errno(WLR_ERROR, "Could not obtain reference to remote registry");
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goto error_display;
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}
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wl_registry_add_listener(wl->registry, ®istry_listener, wl);
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wl_display_dispatch(wl->remote_display);
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wl_display_roundtrip(wl->remote_display);
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if (!wl->compositor) {
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wlr_log(WLR_ERROR,
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"Remote Wayland compositor does not support wl_compositor");
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goto error_registry;
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}
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if (!wl->shell) {
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wlr_log(WLR_ERROR,
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"Remote Wayland compositor does not support zxdg_shell_v6");
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goto error_registry;
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}
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struct wl_event_loop *loop = wl_display_get_event_loop(wl->local_display);
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int fd = wl_display_get_fd(wl->remote_display);
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int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
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wl->remote_display_src = wl_event_loop_add_fd(loop, fd, events,
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dispatch_events, wl);
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if (!wl->remote_display_src) {
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wlr_log(WLR_ERROR, "Failed to create event source");
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goto error_registry;
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}
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wl_event_source_check(wl->remote_display_src);
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static EGLint config_attribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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@ -185,24 +248,32 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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create_renderer_func = wlr_renderer_autocreate;
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}
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backend->renderer = create_renderer_func(&backend->egl, EGL_PLATFORM_WAYLAND_EXT,
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backend->remote_display, config_attribs, WL_SHM_FORMAT_ARGB8888);
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wl->renderer = create_renderer_func(&wl->egl, EGL_PLATFORM_WAYLAND_EXT,
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wl->remote_display, config_attribs, WL_SHM_FORMAT_ARGB8888);
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if (backend->renderer == NULL) {
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if (!wl->renderer) {
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wlr_log(WLR_ERROR, "Could not create renderer");
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goto error_renderer;
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goto error_event;
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}
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backend->local_display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &backend->local_display_destroy);
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wl->local_display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &wl->local_display_destroy);
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return &backend->backend;
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return &wl->backend;
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error_renderer:
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wl_registry_destroy(backend->registry);
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error_event:
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wl_event_source_remove(wl->remote_display_src);
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error_registry:
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wl_display_disconnect(backend->remote_display);
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error_connect:
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free(backend);
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if (wl->compositor) {
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wl_compositor_destroy(wl->compositor);
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}
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if (wl->shell) {
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zxdg_shell_v6_destroy(wl->shell);
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}
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wl_registry_destroy(wl->registry);
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error_display:
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wl_display_disconnect(wl->remote_display);
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error_wl:
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free(wl);
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return NULL;
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}
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|
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@ -6,11 +6,14 @@
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/util/log.h>
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|
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#include "backend/wayland.h"
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#include "util/signal.h"
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#include "xdg-shell-unstable-v6-client-protocol.h"
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|
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@ -1,55 +0,0 @@
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wayland-client.h>
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#include <wlr/util/log.h>
|
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#include "backend/wayland.h"
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#include "xdg-shell-unstable-v6-client-protocol.h"
|
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|
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static void xdg_shell_handle_ping(void *data, struct zxdg_shell_v6 *shell,
|
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uint32_t serial) {
|
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zxdg_shell_v6_pong(shell, serial);
|
||||
}
|
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|
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static const struct zxdg_shell_v6_listener xdg_shell_listener = {
|
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xdg_shell_handle_ping,
|
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};
|
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|
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|
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static void registry_global(void *data, struct wl_registry *registry,
|
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uint32_t name, const char *interface, uint32_t version) {
|
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struct wlr_wl_backend *backend = data;
|
||||
wlr_log(WLR_DEBUG, "Remote wayland global: %s v%d", interface, version);
|
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|
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
|
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backend->compositor = wl_registry_bind(registry, name,
|
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&wl_compositor_interface, version);
|
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} else if (strcmp(interface, zxdg_shell_v6_interface.name) == 0) {
|
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backend->shell = wl_registry_bind(registry, name,
|
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&zxdg_shell_v6_interface, version);
|
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zxdg_shell_v6_add_listener(backend->shell, &xdg_shell_listener, NULL);
|
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
|
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backend->shm = wl_registry_bind(registry, name,
|
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&wl_shm_interface, version);
|
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
|
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backend->seat = wl_registry_bind(registry, name,
|
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&wl_seat_interface, version);
|
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wl_seat_add_listener(backend->seat, &seat_listener, backend);
|
||||
}
|
||||
}
|
||||
|
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static void registry_global_remove(void *data, struct wl_registry *registry,
|
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uint32_t name) {
|
||||
// TODO
|
||||
}
|
||||
|
||||
static const struct wl_registry_listener registry_listener = {
|
||||
.global = registry_global,
|
||||
.global_remove = registry_global_remove
|
||||
};
|
||||
|
||||
void poll_wl_registry(struct wlr_wl_backend *backend) {
|
||||
wl_registry_add_listener(backend->registry, ®istry_listener, backend);
|
||||
wl_display_dispatch(backend->remote_display);
|
||||
wl_display_roundtrip(backend->remote_display);
|
||||
}
|
||||
|
|
@ -1,16 +1,20 @@
|
|||
#define _POSIX_C_SOURCE 200809L
|
||||
|
||||
#include <assert.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <time.h>
|
||||
|
||||
#include <wayland-client.h>
|
||||
|
||||
#include <wlr/interfaces/wlr_input_device.h>
|
||||
#include <wlr/interfaces/wlr_keyboard.h>
|
||||
#include <wlr/interfaces/wlr_output.h>
|
||||
#include <wlr/interfaces/wlr_pointer.h>
|
||||
#include <wlr/interfaces/wlr_touch.h>
|
||||
#include <wlr/util/log.h>
|
||||
|
||||
#include "backend/wayland.h"
|
||||
#include "util/signal.h"
|
||||
|
||||
|
|
@ -321,8 +325,7 @@ static void pointer_handle_output_destroy(struct wl_listener *listener,
|
|||
wlr_input_device_destroy(&pointer->input_device->wlr_input_device);
|
||||
}
|
||||
|
||||
void create_wl_pointer(struct wl_pointer *wl_pointer,
|
||||
struct wlr_wl_output *output) {
|
||||
void create_wl_pointer(struct wl_pointer *wl_pointer, struct wlr_wl_output *output) {
|
||||
struct wlr_wl_backend *backend = output->backend;
|
||||
|
||||
struct wlr_input_device *wlr_dev;
|
||||
|
|
@ -364,6 +367,28 @@ void create_wl_pointer(struct wl_pointer *wl_pointer,
|
|||
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
|
||||
}
|
||||
|
||||
void create_wl_keyboard(struct wl_keyboard *wl_keyboard, struct wlr_wl_backend *wl) {
|
||||
struct wlr_wl_input_device *dev =
|
||||
create_wl_input_device(wl, WLR_INPUT_DEVICE_KEYBOARD);
|
||||
if (!dev) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
|
||||
|
||||
wlr_dev->keyboard = calloc(1, sizeof(*wlr_dev->keyboard));
|
||||
if (!wlr_dev->keyboard) {
|
||||
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
||||
free(dev);
|
||||
return;
|
||||
}
|
||||
wlr_keyboard_init(wlr_dev->keyboard, NULL);
|
||||
|
||||
wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, wlr_dev);
|
||||
dev->resource = wl_keyboard;
|
||||
wlr_signal_emit_safe(&wl->backend.events.new_input, wlr_dev);
|
||||
}
|
||||
|
||||
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
|
||||
enum wl_seat_capability caps) {
|
||||
struct wlr_wl_backend *backend = data;
|
||||
|
|
@ -384,25 +409,13 @@ static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
|
|||
}
|
||||
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
|
||||
wlr_log(WLR_DEBUG, "seat %p offered keyboard", (void*) wl_seat);
|
||||
struct wlr_wl_input_device *dev = create_wl_input_device(backend,
|
||||
WLR_INPUT_DEVICE_KEYBOARD);
|
||||
if (dev == NULL) {
|
||||
wlr_log(WLR_ERROR, "Allocation failed");
|
||||
return;
|
||||
}
|
||||
struct wlr_input_device *wlr_dev = &dev->wlr_input_device;
|
||||
wlr_dev->keyboard = calloc(1, sizeof(struct wlr_keyboard));
|
||||
if (!wlr_dev->keyboard) {
|
||||
free(dev);
|
||||
wlr_log(WLR_ERROR, "Allocation failed");
|
||||
return;
|
||||
}
|
||||
wlr_keyboard_init(wlr_dev->keyboard, NULL);
|
||||
|
||||
struct wl_keyboard *wl_keyboard = wl_seat_get_keyboard(wl_seat);
|
||||
wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, wlr_dev);
|
||||
dev->resource = wl_keyboard;
|
||||
wlr_signal_emit_safe(&backend->backend.events.new_input, wlr_dev);
|
||||
backend->keyboard = wl_keyboard;
|
||||
|
||||
if (backend->started) {
|
||||
create_wl_keyboard(wl_keyboard, backend);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -2,10 +2,12 @@
|
|||
#define BACKEND_WAYLAND_H
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <wayland-client.h>
|
||||
#include <wayland-egl.h>
|
||||
#include <wayland-server.h>
|
||||
#include <wayland-util.h>
|
||||
|
||||
#include <wlr/backend/wayland.h>
|
||||
#include <wlr/render/egl.h>
|
||||
#include <wlr/render/wlr_renderer.h>
|
||||
|
|
@ -32,6 +34,7 @@ struct wlr_wl_backend {
|
|||
struct wl_shm *shm;
|
||||
struct wl_seat *seat;
|
||||
struct wl_pointer *pointer;
|
||||
struct wl_keyboard *keyboard;
|
||||
struct wlr_wl_pointer *current_pointer;
|
||||
char *seat_name;
|
||||
};
|
||||
|
|
@ -78,13 +81,11 @@ struct wlr_wl_pointer {
|
|||
struct wl_listener output_destroy;
|
||||
};
|
||||
|
||||
struct wlr_wl_backend *get_wl_backend_from_backend(
|
||||
struct wlr_backend *wlr_backend);
|
||||
void poll_wl_registry(struct wlr_wl_backend *backend);
|
||||
struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend);
|
||||
void update_wl_output_cursor(struct wlr_wl_output *output);
|
||||
struct wlr_wl_pointer *pointer_get_wl(struct wlr_pointer *wlr_pointer);
|
||||
void create_wl_pointer(struct wl_pointer *wl_pointer,
|
||||
struct wlr_wl_output *output);
|
||||
void create_wl_pointer(struct wl_pointer *wl_pointer, struct wlr_wl_output *output);
|
||||
void create_wl_keyboard(struct wl_keyboard *wl_keyboard, struct wlr_wl_backend *wl);
|
||||
|
||||
extern const struct wl_seat_listener seat_listener;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue