mirror of
https://gitlab.freedesktop.org/wayland/weston.git
synced 2025-12-20 00:00:09 +01:00
clients: Add a commit-timing test client
Add a simple client that queues up a few future frames and logs how accurately the requested presentation times were hit. This used simple-shm as a skeleton, and those copyrights have been retained. Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman
parent
a3f0e97a71
commit
85d8c7a5e5
2 changed files with 900 additions and 0 deletions
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@ -163,6 +163,21 @@ simple_clients = [
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],
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'dep_objs': [ dep_wayland_client, dep_libshared ]
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},
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{
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'name': 'timing',
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'sources': [
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'simple-timing.c',
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xdg_shell_client_protocol_h,
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xdg_shell_protocol_c,
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commit_timing_v1_client_protocol_h,
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commit_timing_v1_protocol_c,
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fifo_v1_client_protocol_h,
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fifo_v1_protocol_c,
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presentation_time_client_protocol_h,
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presentation_time_protocol_c,
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],
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'dep_objs': [ dep_wayland_client, dep_libshared ]
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},
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{
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'name': 'touch',
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'sources': [
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885
clients/simple-timing.c
Normal file
885
clients/simple-timing.c
Normal file
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@ -0,0 +1,885 @@
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/*
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* Copyright © 2011 Benjamin Franzke
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* Copyright © 2010 Intel Corporation
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* Copyright © 2025 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <unistd.h>
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#include <sys/mman.h>
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#include <signal.h>
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#include <errno.h>
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#include <assert.h>
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#include <linux/input.h>
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#include <wayland-client.h>
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#include "shared/os-compatibility.h"
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#include "shared/timespec-util.h"
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#include "shared/xalloc.h"
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#include <libweston/zalloc.h>
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#include "xdg-shell-client-protocol.h"
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#include "commit-timing-v1-client-protocol.h"
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#include "fifo-v1-client-protocol.h"
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#include "presentation-time-client-protocol.h"
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#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
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#define MAX_BUFFER_ALLOC 1000
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struct display {
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struct wl_display *display;
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struct wl_registry *registry;
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struct wl_compositor *compositor;
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struct xdg_wm_base *wm_base;
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struct wl_seat *seat;
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struct wl_keyboard *keyboard;
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struct wl_shm *shm;
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struct wp_commit_timing_manager_v1 *commit_timing_manager;
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struct wp_fifo_manager_v1 *fifo_manager;
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struct wp_presentation *presentation;
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bool have_clock_id;
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clockid_t presentation_clock_id;
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int64_t first_frame_time;
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int64_t refresh_nsec;
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};
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struct buffer {
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struct window *window;
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struct wl_buffer *buffer;
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void *shm_data;
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int busy;
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int width, height;
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size_t size; /* width * 4 * height */
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struct wl_list buffer_link; /** window::buffer_list */
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};
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struct window {
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struct display *display;
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int width, height;
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int init_width, init_height;
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struct wl_surface *surface;
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struct xdg_surface *xdg_surface;
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struct xdg_toplevel *xdg_toplevel;
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struct wl_list buffer_list;
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struct wl_callback *callback;
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struct wp_fifo_v1 *fifo;
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struct wp_commit_timer_v1 *commit_timer;
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bool wait_for_configure;
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bool maximized;
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bool fullscreen;
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bool needs_update_buffer;
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};
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struct feedback {
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struct wp_presentation_feedback *fb;
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struct window *window;
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int64_t target_time;
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bool final;
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};
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static int running = 1;
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static void
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draw_for_time(void *data, int64_t time, bool wait_fifo);
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static void
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finish_run(struct window *window);
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static struct buffer *
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alloc_buffer(struct window *window, int width, int height)
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{
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struct buffer *buffer = calloc(1, sizeof(*buffer));
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buffer->width = width;
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buffer->height = height;
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wl_list_insert(&window->buffer_list, &buffer->buffer_link);
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return buffer;
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}
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static void
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destroy_buffer(struct buffer *buffer)
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{
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if (buffer->buffer)
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wl_buffer_destroy(buffer->buffer);
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munmap(buffer->shm_data, buffer->size);
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wl_list_remove(&buffer->buffer_link);
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free(buffer);
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}
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static struct buffer *
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pick_free_buffer(struct window *window)
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{
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struct buffer *b;
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struct buffer *buffer = NULL;
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wl_list_for_each(b, &window->buffer_list, buffer_link) {
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if (!b->busy) {
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buffer = b;
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break;
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}
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}
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return buffer;
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}
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static void
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prune_old_released_buffers(struct window *window)
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{
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struct buffer *b, *b_next;
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wl_list_for_each_safe(b, b_next,
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&window->buffer_list, buffer_link) {
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if (!b->busy && (b->width != window->width ||
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b->height != window->height))
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destroy_buffer(b);
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}
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}
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static void
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buffer_release(void *data, struct wl_buffer *buffer)
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{
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struct buffer *mybuf = data;
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mybuf->busy = 0;
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}
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static const struct wl_buffer_listener buffer_listener = {
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buffer_release
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};
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static int
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create_shm_buffer(struct window *window, struct buffer *buffer)
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{
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struct wl_shm_pool *pool;
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int fd, size, stride;
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void *data;
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int width, height;
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struct display *display;
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width = window->width;
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height = window->height;
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stride = width * 4;
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size = stride * height;
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display = window->display;
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fd = os_create_anonymous_file(size);
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if (fd < 0) {
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fprintf(stderr, "creating a buffer file for %d B failed: %s\n",
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size, strerror(errno));
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return -1;
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}
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data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (data == MAP_FAILED) {
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fprintf(stderr, "mmap failed: %s\n", strerror(errno));
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close(fd);
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return -1;
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}
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pool = wl_shm_create_pool(display->shm, fd, size);
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buffer->buffer = wl_shm_pool_create_buffer(pool, 0,
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width, height,
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stride,
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WL_SHM_FORMAT_XRGB8888);
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wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer);
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wl_shm_pool_destroy(pool);
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close(fd);
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buffer->size = size;
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buffer->shm_data = data;
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return 0;
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}
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static void
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keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
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uint32_t format, int fd, uint32_t size)
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{
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/* Just so we don’t leak the keymap fd */
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close(fd);
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}
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static void
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keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, struct wl_surface *surface,
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struct wl_array *keys)
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{
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}
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static void
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keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, struct wl_surface *surface)
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{
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}
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static void
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keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, uint32_t time, uint32_t key,
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uint32_t state)
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{
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if (key == KEY_ESC && state)
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running = 0;
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}
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static void
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keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
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uint32_t serial, uint32_t mods_depressed,
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uint32_t mods_latched, uint32_t mods_locked,
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uint32_t group)
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{
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}
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static const struct wl_keyboard_listener keyboard_listener = {
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keyboard_handle_keymap,
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keyboard_handle_enter,
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keyboard_handle_leave,
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keyboard_handle_key,
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keyboard_handle_modifiers,
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};
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static void
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seat_handle_capabilities(void *data, struct wl_seat *seat,
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enum wl_seat_capability caps)
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{
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struct display *d = data;
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if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !d->keyboard) {
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d->keyboard = wl_seat_get_keyboard(seat);
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wl_keyboard_add_listener(d->keyboard, &keyboard_listener, d);
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} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && d->keyboard) {
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wl_keyboard_destroy(d->keyboard);
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d->keyboard = NULL;
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}
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}
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static const struct wl_seat_listener seat_listener = {
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seat_handle_capabilities,
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};
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static void
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handle_xdg_surface_configure(void *data, struct xdg_surface *surface,
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uint32_t serial)
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{
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struct window *window = data;
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xdg_surface_ack_configure(surface, serial);
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if (window->wait_for_configure) {
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draw_for_time(window, 0, false);
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window->wait_for_configure = false;
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}
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}
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static const struct xdg_surface_listener xdg_surface_listener = {
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handle_xdg_surface_configure,
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};
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static void
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handle_xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel,
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int32_t width, int32_t height,
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struct wl_array *states)
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{
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struct window *window = data;
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uint32_t *p;
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window->fullscreen = false;
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window->maximized = false;
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wl_array_for_each(p, states) {
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uint32_t state = *p;
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switch (state) {
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case XDG_TOPLEVEL_STATE_FULLSCREEN:
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window->fullscreen = true;
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break;
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case XDG_TOPLEVEL_STATE_MAXIMIZED:
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window->maximized = true;
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break;
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}
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}
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if (width > 0 && height > 0) {
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if (!window->fullscreen && !window->maximized) {
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window->init_width = width;
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window->init_height = height;
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}
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window->width = width;
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window->height = height;
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} else if (!window->fullscreen && !window->maximized) {
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window->width = window->init_width;
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window->height = window->init_height;
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}
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window->needs_update_buffer = true;
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}
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static void
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handle_xdg_toplevel_close(void *data, struct xdg_toplevel *xdg_toplevel)
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{
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running = 0;
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}
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static const struct xdg_toplevel_listener xdg_toplevel_listener = {
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handle_xdg_toplevel_configure,
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handle_xdg_toplevel_close,
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};
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static struct window *
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create_window(struct display *display, int width, int height)
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{
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struct window *window;
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int i;
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window = zalloc(sizeof *window);
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if (!window)
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return NULL;
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window->callback = NULL;
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window->display = display;
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window->width = width;
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window->height = height;
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window->init_width = width;
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window->init_height = height;
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window->surface = wl_compositor_create_surface(display->compositor);
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window->fifo = wp_fifo_manager_v1_get_fifo(display->fifo_manager,
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window->surface);
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window->commit_timer = wp_commit_timing_manager_v1_get_timer(display->commit_timing_manager,
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window->surface);
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window->needs_update_buffer = false;
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wl_list_init(&window->buffer_list);
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assert(display->wm_base);
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window->xdg_surface =
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xdg_wm_base_get_xdg_surface(display->wm_base,
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window->surface);
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assert(window->xdg_surface);
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xdg_surface_add_listener(window->xdg_surface,
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&xdg_surface_listener, window);
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window->xdg_toplevel =
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xdg_surface_get_toplevel(window->xdg_surface);
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assert(window->xdg_toplevel);
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xdg_toplevel_add_listener(window->xdg_toplevel,
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&xdg_toplevel_listener, window);
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xdg_toplevel_set_title(window->xdg_toplevel, "simple-shm");
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xdg_toplevel_set_app_id(window->xdg_toplevel,
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"org.freedesktop.weston.simple-shm");
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wl_surface_commit(window->surface);
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window->wait_for_configure = true;
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for (i = 0; i < MAX_BUFFER_ALLOC; i++)
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alloc_buffer(window, window->width, window->height);
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return window;
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}
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static void
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destroy_window(struct window *window)
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{
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struct buffer *buffer, *buffer_next;
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|
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if (window->callback)
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wl_callback_destroy(window->callback);
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wl_list_for_each_safe(buffer, buffer_next,
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&window->buffer_list, buffer_link)
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destroy_buffer(buffer);
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if (window->xdg_toplevel)
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xdg_toplevel_destroy(window->xdg_toplevel);
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if (window->xdg_surface)
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xdg_surface_destroy(window->xdg_surface);
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wl_surface_destroy(window->surface);
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if (window->fifo)
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wp_fifo_v1_destroy(window->fifo);
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if (window->commit_timer)
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wp_commit_timer_v1_destroy(window->commit_timer);
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free(window);
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}
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static struct buffer *
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window_next_buffer(struct window *window)
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{
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struct buffer *buffer = NULL;
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int ret = 0;
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|
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if (window->needs_update_buffer) {
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int i;
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for (i = 0; i < MAX_BUFFER_ALLOC; i++)
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alloc_buffer(window, window->width, window->height);
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window->needs_update_buffer = false;
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}
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buffer = pick_free_buffer(window);
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|
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if (!buffer)
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return NULL;
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|
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if (!buffer->buffer) {
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ret = create_shm_buffer(window, buffer);
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|
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if (ret < 0)
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return NULL;
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/* paint the padding */
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memset(buffer->shm_data, 0xff,
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window->width * window->height * 4);
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}
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return buffer;
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}
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static void
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paint_pixels(void *image, int width, int height, uint32_t time)
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{
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const int halfh = height / 2;
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const int halfw = width / 2;
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int ir, or;
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uint32_t *pixel = image;
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int y;
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/* squared radii thresholds */
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or = (halfw < halfh ? halfw : halfh) - 8;
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ir = or - 32;
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||||
or *= or;
|
||||
ir *= ir;
|
||||
|
||||
for (y = 0; y < height; y++) {
|
||||
int x;
|
||||
int y2 = (y - halfh) * (y - halfh);
|
||||
|
||||
for (x = 0; x < width; x++) {
|
||||
uint32_t v;
|
||||
|
||||
/* squared distance from center */
|
||||
int r2 = (x - halfw) * (x - halfw) + y2;
|
||||
|
||||
if (r2 < ir)
|
||||
v = (r2 / 32 + time / 64) * 0x0080401;
|
||||
else if (r2 < or)
|
||||
v = (y + time / 32) * 0x0080401;
|
||||
else
|
||||
v = (x + time / 16) * 0x0080401;
|
||||
v &= 0x00ffffff;
|
||||
|
||||
/* cross if compositor uses X from XRGB as alpha */
|
||||
if (abs(x - y) > 6 && abs(x + y - height) > 6)
|
||||
v |= 0xff000000;
|
||||
|
||||
*pixel++ = v;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
queue_some_frames(struct window *window)
|
||||
{
|
||||
struct display *display = window->display;
|
||||
int64_t target_nsec;
|
||||
int i;
|
||||
|
||||
assert(display->first_frame_time);
|
||||
|
||||
/* Round off error will cause us problems if we don't
|
||||
* reduce this a bit, because we could end up rounding
|
||||
* to either side of a refresh.
|
||||
*/
|
||||
target_nsec = display->first_frame_time - 100000;
|
||||
|
||||
for (i = 0; i < 60; i++) {
|
||||
target_nsec += display->refresh_nsec * 2;
|
||||
draw_for_time(window, target_nsec, false);
|
||||
}
|
||||
|
||||
for (i = 0; i < 30; i++) {
|
||||
target_nsec += display->refresh_nsec * 4;
|
||||
draw_for_time(window, target_nsec, false);
|
||||
}
|
||||
|
||||
for (i = 0; i < 10; i++) {
|
||||
target_nsec += display->refresh_nsec * 10;
|
||||
draw_for_time(window, target_nsec, false);
|
||||
}
|
||||
|
||||
for (i = 0; i < 10; i++) {
|
||||
target_nsec += display->refresh_nsec * 100;
|
||||
draw_for_time(window, target_nsec, false);
|
||||
}
|
||||
|
||||
finish_run(window);
|
||||
}
|
||||
|
||||
static void
|
||||
feedback_sync_output(void *data,
|
||||
struct wp_presentation_feedback *presentation_feedback,
|
||||
struct wl_output *output)
|
||||
{
|
||||
/* Just don't care */
|
||||
}
|
||||
|
||||
static void
|
||||
feedback_presented(void *data,
|
||||
struct wp_presentation_feedback *presentation_feedback,
|
||||
uint32_t tv_sec_hi,
|
||||
uint32_t tv_sec_lo,
|
||||
uint32_t tv_nsec,
|
||||
uint32_t refresh_nsec,
|
||||
uint32_t seq_hi,
|
||||
uint32_t seq_lo,
|
||||
uint32_t flags)
|
||||
{
|
||||
struct feedback *feedback = data;
|
||||
struct window *window = feedback->window;
|
||||
struct display *display = window->display;
|
||||
struct timespec pres_ts = {
|
||||
.tv_sec = ((int64_t)tv_sec_hi << 32) + tv_sec_lo,
|
||||
.tv_nsec = tv_nsec,
|
||||
};
|
||||
int64_t ntime = timespec_to_nsec(&pres_ts);
|
||||
double delay;
|
||||
|
||||
if (feedback->final) {
|
||||
running = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!feedback->target_time) {
|
||||
display->first_frame_time = ntime;
|
||||
display->refresh_nsec = refresh_nsec;
|
||||
queue_some_frames(window);
|
||||
goto out;
|
||||
}
|
||||
|
||||
delay = (ntime - feedback->target_time) / 1000000.0;
|
||||
|
||||
printf("%fms away from intended time\n", delay);
|
||||
if (fabs(delay) > display->refresh_nsec / 1000000)
|
||||
printf("Warning: we missed the intended target display cycle.\n");
|
||||
|
||||
out:
|
||||
wp_presentation_feedback_destroy(feedback->fb);
|
||||
free(feedback);
|
||||
}
|
||||
|
||||
static void
|
||||
feedback_discarded(void *data,
|
||||
struct wp_presentation_feedback *presentation_feedback)
|
||||
{
|
||||
struct feedback *feedback = data;
|
||||
|
||||
printf("Warning: a frame was discarded\n");
|
||||
|
||||
if (feedback->final)
|
||||
running = 0;
|
||||
|
||||
wp_presentation_feedback_destroy(feedback->fb);
|
||||
free(feedback);
|
||||
}
|
||||
|
||||
static const struct wp_presentation_feedback_listener feedback_listener = {
|
||||
feedback_sync_output,
|
||||
feedback_presented,
|
||||
feedback_discarded,
|
||||
};
|
||||
|
||||
static void
|
||||
finish_run(struct window *window)
|
||||
{
|
||||
struct display *display = window->display;
|
||||
struct feedback *feedback;
|
||||
struct buffer *buffer;
|
||||
|
||||
feedback = xzalloc(sizeof *feedback);
|
||||
feedback->window = window;
|
||||
feedback->final = true;
|
||||
feedback->target_time = 0;
|
||||
|
||||
buffer = window_next_buffer(window);
|
||||
assert(buffer);
|
||||
|
||||
paint_pixels(buffer->shm_data, window->width,
|
||||
window->height, 1);
|
||||
|
||||
wl_surface_attach(window->surface, buffer->buffer, 0, 0);
|
||||
wl_surface_damage(window->surface, 0, 0, window->width, window->height);
|
||||
|
||||
feedback->fb = wp_presentation_feedback(display->presentation,
|
||||
window->surface);
|
||||
wp_presentation_feedback_add_listener(feedback->fb,
|
||||
&feedback_listener, feedback);
|
||||
|
||||
wp_fifo_v1_wait_barrier(window->fifo);
|
||||
wl_surface_commit(window->surface);
|
||||
}
|
||||
|
||||
static void
|
||||
draw_for_time(void *data, int64_t time, bool wait_fifo)
|
||||
{
|
||||
struct window *window = data;
|
||||
struct display *display = window->display;
|
||||
struct buffer *buffer;
|
||||
struct feedback *feedback;
|
||||
|
||||
assert(display->have_clock_id);
|
||||
|
||||
prune_old_released_buffers(window);
|
||||
|
||||
buffer = window_next_buffer(window);
|
||||
assert(buffer);
|
||||
|
||||
paint_pixels(buffer->shm_data, window->width,
|
||||
window->height, time / 1000000);
|
||||
|
||||
wl_surface_attach(window->surface, buffer->buffer, 0, 0);
|
||||
wl_surface_damage(window->surface, 0, 0, window->width, window->height);
|
||||
|
||||
feedback = xzalloc(sizeof *feedback);
|
||||
feedback->window = window;
|
||||
|
||||
feedback->fb = wp_presentation_feedback(display->presentation,
|
||||
window->surface);
|
||||
wp_presentation_feedback_add_listener(feedback->fb,
|
||||
&feedback_listener, feedback);
|
||||
|
||||
feedback->target_time = time;
|
||||
if (time) {
|
||||
struct timespec target;
|
||||
|
||||
timespec_from_nsec(&target, time);
|
||||
wp_commit_timer_v1_set_timestamp(window->commit_timer,
|
||||
(int64_t)target.tv_sec >> 32,
|
||||
target.tv_sec,
|
||||
target.tv_nsec);
|
||||
}
|
||||
wp_fifo_v1_set_barrier(window->fifo);
|
||||
wl_surface_commit(window->surface);
|
||||
buffer->busy = 1;
|
||||
}
|
||||
|
||||
static void
|
||||
xdg_wm_base_ping(void *data, struct xdg_wm_base *shell, uint32_t serial)
|
||||
{
|
||||
xdg_wm_base_pong(shell, serial);
|
||||
}
|
||||
|
||||
static const struct xdg_wm_base_listener xdg_wm_base_listener = {
|
||||
xdg_wm_base_ping,
|
||||
};
|
||||
|
||||
static void
|
||||
presentation_handle_clock_id(void *data,
|
||||
struct wp_presentation *wp_presentation,
|
||||
uint32_t clock_id)
|
||||
{
|
||||
struct display *display = data;
|
||||
|
||||
display->presentation_clock_id = clock_id;
|
||||
display->have_clock_id = true;
|
||||
}
|
||||
|
||||
static const struct wp_presentation_listener presentation_listener = {
|
||||
presentation_handle_clock_id,
|
||||
};
|
||||
|
||||
static void
|
||||
registry_handle_global(void *data, struct wl_registry *registry,
|
||||
uint32_t id, const char *interface, uint32_t version)
|
||||
{
|
||||
struct display *d = data;
|
||||
|
||||
if (strcmp(interface, "wl_compositor") == 0) {
|
||||
d->compositor =
|
||||
wl_registry_bind(registry,
|
||||
id, &wl_compositor_interface, 1);
|
||||
} else if (strcmp(interface, "xdg_wm_base") == 0) {
|
||||
d->wm_base = wl_registry_bind(registry,
|
||||
id, &xdg_wm_base_interface, 1);
|
||||
xdg_wm_base_add_listener(d->wm_base, &xdg_wm_base_listener, d);
|
||||
} else if (strcmp(interface, "wl_seat") == 0) {
|
||||
d->seat = wl_registry_bind(registry, id,
|
||||
&wl_seat_interface, 1);
|
||||
wl_seat_add_listener(d->seat, &seat_listener, d);
|
||||
} else if (strcmp(interface, "wl_shm") == 0) {
|
||||
d->shm = wl_registry_bind(registry,
|
||||
id, &wl_shm_interface, 1);
|
||||
} else if (strcmp(interface, wp_commit_timing_manager_v1_interface.name) == 0) {
|
||||
d->commit_timing_manager = wl_registry_bind(registry, id,
|
||||
&wp_commit_timing_manager_v1_interface,
|
||||
1);
|
||||
} else if (strcmp(interface, wp_fifo_manager_v1_interface.name) == 0) {
|
||||
d->fifo_manager = wl_registry_bind(registry, id,
|
||||
&wp_fifo_manager_v1_interface,
|
||||
1);
|
||||
} else if (strcmp(interface, wp_presentation_interface.name) == 0) {
|
||||
d->presentation = wl_registry_bind(registry, id,
|
||||
&wp_presentation_interface,
|
||||
2);
|
||||
wp_presentation_add_listener(d->presentation,
|
||||
&presentation_listener, d);
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
registry_handle_global_remove(void *data, struct wl_registry *registry,
|
||||
uint32_t name)
|
||||
{
|
||||
}
|
||||
|
||||
static const struct wl_registry_listener registry_listener = {
|
||||
registry_handle_global,
|
||||
registry_handle_global_remove
|
||||
};
|
||||
|
||||
static struct display *
|
||||
create_display(void)
|
||||
{
|
||||
struct display *display;
|
||||
|
||||
display = xzalloc(sizeof *display);
|
||||
|
||||
display->display = wl_display_connect(NULL);
|
||||
assert(display->display);
|
||||
|
||||
display->registry = wl_display_get_registry(display->display);
|
||||
wl_registry_add_listener(display->registry,
|
||||
®istry_listener, display);
|
||||
wl_display_roundtrip(display->display);
|
||||
if (display->shm == NULL) {
|
||||
fprintf(stderr, "No wl_shm global\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
wl_display_roundtrip(display->display);
|
||||
|
||||
return display;
|
||||
}
|
||||
|
||||
static void
|
||||
destroy_display(struct display *display)
|
||||
{
|
||||
if (display->shm)
|
||||
wl_shm_destroy(display->shm);
|
||||
|
||||
if (display->wm_base)
|
||||
xdg_wm_base_destroy(display->wm_base);
|
||||
|
||||
if (display->compositor)
|
||||
wl_compositor_destroy(display->compositor);
|
||||
|
||||
if (display->presentation)
|
||||
wp_presentation_destroy(display->presentation);
|
||||
|
||||
if (display->fifo_manager)
|
||||
wp_fifo_manager_v1_destroy(display->fifo_manager);
|
||||
|
||||
if (display->commit_timing_manager)
|
||||
wp_commit_timing_manager_v1_destroy(display->commit_timing_manager);
|
||||
|
||||
if (display->keyboard)
|
||||
wl_keyboard_destroy(display->keyboard);
|
||||
|
||||
if (display->seat)
|
||||
wl_seat_destroy(display->seat);
|
||||
|
||||
wl_registry_destroy(display->registry);
|
||||
wl_display_flush(display->display);
|
||||
wl_display_disconnect(display->display);
|
||||
free(display);
|
||||
}
|
||||
|
||||
static void
|
||||
signal_int(int signum)
|
||||
{
|
||||
running = 0;
|
||||
}
|
||||
|
||||
static void
|
||||
usage(const char *program)
|
||||
{
|
||||
fprintf(stdout,
|
||||
"Usage: %s [OPTIONS]\n"
|
||||
"\n"
|
||||
"Schedule frames in the future with commit-timing\n"
|
||||
"\n"
|
||||
"Options:\n"
|
||||
" -h, --help Show this help\n"
|
||||
"\n",
|
||||
program);
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
struct sigaction sigint;
|
||||
struct display *display;
|
||||
struct window *window;
|
||||
int ret = 0, i;
|
||||
|
||||
for (i = 1; i < argc; i++) {
|
||||
if (!strcmp(argv[i], "-h") ||
|
||||
!strcmp(argv[i], "--help")) {
|
||||
usage(argv[0]);
|
||||
return 0;
|
||||
} else {
|
||||
fprintf(stderr, "Invalid argument: '%s'\n", argv[i - 1]);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
display = create_display();
|
||||
window = create_window(display, 256, 256);
|
||||
if (!window)
|
||||
return 1;
|
||||
|
||||
sigint.sa_handler = signal_int;
|
||||
sigemptyset(&sigint.sa_mask);
|
||||
sigint.sa_flags = SA_RESETHAND;
|
||||
sigaction(SIGINT, &sigint, NULL);
|
||||
|
||||
while (running && ret != -1)
|
||||
ret = wl_display_dispatch(display->display);
|
||||
|
||||
fprintf(stderr, "simple-timing exiting\n");
|
||||
|
||||
destroy_window(window);
|
||||
destroy_display(display);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue