ba9dca054e
Fall back to not showing anything as before if we don't have a compositor with wl_output new enough (version 2 or newer). Signed-off-by: Jonny Lamb <jonny.lamb@collabora.co.uk> Reviewed-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
764 lines
17 KiB
C
764 lines
17 KiB
C
/*
|
|
* Copyright © 2012 Philipp Brüschweiler
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdbool.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
#include <wayland-client.h>
|
|
|
|
#include "shared/helpers.h"
|
|
#include "shared/os-compatibility.h"
|
|
#include "presentation_timing-client-protocol.h"
|
|
|
|
typedef void (*print_info_t)(void *info);
|
|
typedef void (*destroy_info_t)(void *info);
|
|
|
|
struct global_info {
|
|
struct wl_list link;
|
|
|
|
uint32_t id;
|
|
uint32_t version;
|
|
char *interface;
|
|
|
|
print_info_t print;
|
|
destroy_info_t destroy;
|
|
};
|
|
|
|
struct output_mode {
|
|
struct wl_list link;
|
|
|
|
uint32_t flags;
|
|
int32_t width, height;
|
|
int32_t refresh;
|
|
};
|
|
|
|
struct output_info {
|
|
struct global_info global;
|
|
|
|
struct wl_output *output;
|
|
|
|
int32_t version;
|
|
|
|
struct {
|
|
int32_t x, y;
|
|
int32_t scale;
|
|
int32_t physical_width, physical_height;
|
|
enum wl_output_subpixel subpixel;
|
|
enum wl_output_transform output_transform;
|
|
char *make;
|
|
char *model;
|
|
} geometry;
|
|
|
|
struct wl_list modes;
|
|
};
|
|
|
|
struct shm_format {
|
|
struct wl_list link;
|
|
|
|
uint32_t format;
|
|
};
|
|
|
|
struct shm_info {
|
|
struct global_info global;
|
|
struct wl_shm *shm;
|
|
|
|
struct wl_list formats;
|
|
};
|
|
|
|
struct seat_info {
|
|
struct global_info global;
|
|
struct wl_seat *seat;
|
|
struct weston_info *info;
|
|
|
|
uint32_t capabilities;
|
|
char *name;
|
|
|
|
int32_t repeat_rate;
|
|
int32_t repeat_delay;
|
|
};
|
|
|
|
struct presentation_info {
|
|
struct global_info global;
|
|
struct presentation *presentation;
|
|
|
|
clockid_t clk_id;
|
|
};
|
|
|
|
struct weston_info {
|
|
struct wl_display *display;
|
|
struct wl_registry *registry;
|
|
|
|
struct wl_list infos;
|
|
bool roundtrip_needed;
|
|
};
|
|
|
|
static void *
|
|
fail_on_null(void *p)
|
|
{
|
|
if (p == NULL) {
|
|
fprintf(stderr, "%s: out of memory\n", program_invocation_short_name);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
static void *
|
|
xmalloc(size_t s)
|
|
{
|
|
return fail_on_null(malloc(s));
|
|
}
|
|
|
|
static void *
|
|
xzalloc(size_t s)
|
|
{
|
|
return fail_on_null(calloc(1, s));
|
|
}
|
|
|
|
static char *
|
|
xstrdup(const char *s)
|
|
{
|
|
return fail_on_null(strdup(s));
|
|
}
|
|
|
|
static void
|
|
print_global_info(void *data)
|
|
{
|
|
struct global_info *global = data;
|
|
|
|
printf("interface: '%s', version: %u, name: %u\n",
|
|
global->interface, global->version, global->id);
|
|
}
|
|
|
|
static void
|
|
init_global_info(struct weston_info *info,
|
|
struct global_info *global, uint32_t id,
|
|
const char *interface, uint32_t version)
|
|
{
|
|
global->id = id;
|
|
global->version = version;
|
|
global->interface = xstrdup(interface);
|
|
|
|
wl_list_insert(info->infos.prev, &global->link);
|
|
}
|
|
|
|
static void
|
|
print_output_info(void *data)
|
|
{
|
|
struct output_info *output = data;
|
|
struct output_mode *mode;
|
|
const char *subpixel_orientation;
|
|
const char *transform;
|
|
|
|
print_global_info(data);
|
|
|
|
switch (output->geometry.subpixel) {
|
|
case WL_OUTPUT_SUBPIXEL_UNKNOWN:
|
|
subpixel_orientation = "unknown";
|
|
break;
|
|
case WL_OUTPUT_SUBPIXEL_NONE:
|
|
subpixel_orientation = "none";
|
|
break;
|
|
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB:
|
|
subpixel_orientation = "horizontal rgb";
|
|
break;
|
|
case WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR:
|
|
subpixel_orientation = "horizontal bgr";
|
|
break;
|
|
case WL_OUTPUT_SUBPIXEL_VERTICAL_RGB:
|
|
subpixel_orientation = "vertical rgb";
|
|
break;
|
|
case WL_OUTPUT_SUBPIXEL_VERTICAL_BGR:
|
|
subpixel_orientation = "vertical bgr";
|
|
break;
|
|
default:
|
|
fprintf(stderr, "unknown subpixel orientation %u\n",
|
|
output->geometry.subpixel);
|
|
subpixel_orientation = "unexpected value";
|
|
break;
|
|
}
|
|
|
|
switch (output->geometry.output_transform) {
|
|
case WL_OUTPUT_TRANSFORM_NORMAL:
|
|
transform = "normal";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_90:
|
|
transform = "90°";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_180:
|
|
transform = "180°";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_270:
|
|
transform = "270°";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED:
|
|
transform = "flipped";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
|
|
transform = "flipped 90°";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
|
|
transform = "flipped 180°";
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
|
|
transform = "flipped 270°";
|
|
break;
|
|
default:
|
|
fprintf(stderr, "unknown output transform %u\n",
|
|
output->geometry.output_transform);
|
|
transform = "unexpected value";
|
|
break;
|
|
}
|
|
|
|
printf("\tx: %d, y: %d,",
|
|
output->geometry.x, output->geometry.y);
|
|
if (output->version >= 2)
|
|
printf(" scale: %d,", output->geometry.scale);
|
|
printf("\n");
|
|
|
|
printf("\tphysical_width: %d mm, physical_height: %d mm,\n",
|
|
output->geometry.physical_width,
|
|
output->geometry.physical_height);
|
|
printf("\tmake: '%s', model: '%s',\n",
|
|
output->geometry.make, output->geometry.model);
|
|
printf("\tsubpixel_orientation: %s, output_transform: %s,\n",
|
|
subpixel_orientation, transform);
|
|
|
|
wl_list_for_each(mode, &output->modes, link) {
|
|
printf("\tmode:\n");
|
|
|
|
printf("\t\twidth: %d px, height: %d px, refresh: %.f Hz,\n",
|
|
mode->width, mode->height,
|
|
(float) mode->refresh / 1000);
|
|
|
|
printf("\t\tflags:");
|
|
if (mode->flags & WL_OUTPUT_MODE_CURRENT)
|
|
printf(" current");
|
|
if (mode->flags & WL_OUTPUT_MODE_PREFERRED)
|
|
printf(" preferred");
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
print_shm_info(void *data)
|
|
{
|
|
struct shm_info *shm = data;
|
|
struct shm_format *format;
|
|
|
|
print_global_info(data);
|
|
|
|
printf("\tformats:");
|
|
|
|
wl_list_for_each(format, &shm->formats, link)
|
|
switch (format->format) {
|
|
case WL_SHM_FORMAT_ARGB8888:
|
|
printf(" ARGB8888");
|
|
break;
|
|
case WL_SHM_FORMAT_XRGB8888:
|
|
printf(" XRGB8888");
|
|
break;
|
|
case WL_SHM_FORMAT_RGB565:
|
|
printf(" RGB565");
|
|
break;
|
|
default:
|
|
printf(" unknown(%08x)", format->format);
|
|
break;
|
|
}
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
static void
|
|
print_seat_info(void *data)
|
|
{
|
|
struct seat_info *seat = data;
|
|
|
|
print_global_info(data);
|
|
|
|
printf("\tname: %s\n", seat->name);
|
|
printf("\tcapabilities:");
|
|
|
|
if (seat->capabilities & WL_SEAT_CAPABILITY_POINTER)
|
|
printf(" pointer");
|
|
if (seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD)
|
|
printf(" keyboard");
|
|
if (seat->capabilities & WL_SEAT_CAPABILITY_TOUCH)
|
|
printf(" touch");
|
|
|
|
printf("\n");
|
|
|
|
if (seat->repeat_rate > 0)
|
|
printf("\tkeyboard repeat rate: %d\n", seat->repeat_rate);
|
|
if (seat->repeat_delay > 0)
|
|
printf("\tkeyboard repeat delay: %d\n", seat->repeat_delay);
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t format, int fd, uint32_t size)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_enter(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, struct wl_surface *surface,
|
|
struct wl_array *keys)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_leave(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, struct wl_surface *surface)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_key(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, uint32_t time, uint32_t key,
|
|
uint32_t state)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
|
|
uint32_t serial, uint32_t mods_depressed,
|
|
uint32_t mods_latched, uint32_t mods_locked,
|
|
uint32_t group)
|
|
{
|
|
}
|
|
|
|
static void
|
|
keyboard_handle_repeat_info(void *data, struct wl_keyboard *keyboard,
|
|
int32_t rate, int32_t delay)
|
|
{
|
|
struct seat_info *seat = data;
|
|
|
|
seat->repeat_rate = rate;
|
|
seat->repeat_delay = delay;
|
|
}
|
|
|
|
static const struct wl_keyboard_listener keyboard_listener = {
|
|
keyboard_handle_keymap,
|
|
keyboard_handle_enter,
|
|
keyboard_handle_leave,
|
|
keyboard_handle_key,
|
|
keyboard_handle_modifiers,
|
|
keyboard_handle_repeat_info,
|
|
};
|
|
|
|
static void
|
|
seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
|
|
enum wl_seat_capability caps)
|
|
{
|
|
struct seat_info *seat = data;
|
|
|
|
seat->capabilities = caps;
|
|
|
|
/* we want listen for repeat_info from wl_keyboard, but only
|
|
* do so if the seat info is >= 4 and if we actually have a
|
|
* keyboard */
|
|
if (seat->global.version < 4)
|
|
return;
|
|
|
|
if (caps & WL_SEAT_CAPABILITY_KEYBOARD) {
|
|
struct wl_keyboard *keyboard;
|
|
|
|
keyboard = wl_seat_get_keyboard(seat->seat);
|
|
wl_keyboard_add_listener(keyboard, &keyboard_listener,
|
|
seat);
|
|
|
|
seat->info->roundtrip_needed = true;
|
|
}
|
|
}
|
|
|
|
static void
|
|
seat_handle_name(void *data, struct wl_seat *wl_seat,
|
|
const char *name)
|
|
{
|
|
struct seat_info *seat = data;
|
|
seat->name = xstrdup(name);
|
|
}
|
|
|
|
static const struct wl_seat_listener seat_listener = {
|
|
seat_handle_capabilities,
|
|
seat_handle_name,
|
|
};
|
|
|
|
static void
|
|
destroy_seat_info(void *data)
|
|
{
|
|
struct seat_info *seat = data;
|
|
|
|
wl_seat_destroy(seat->seat);
|
|
|
|
if (seat->name != NULL)
|
|
free(seat->name);
|
|
}
|
|
|
|
static void
|
|
add_seat_info(struct weston_info *info, uint32_t id, uint32_t version)
|
|
{
|
|
struct seat_info *seat = xzalloc(sizeof *seat);
|
|
|
|
/* required to set roundtrip_needed to true in capabilities
|
|
* handler */
|
|
seat->info = info;
|
|
|
|
init_global_info(info, &seat->global, id, "wl_seat", version);
|
|
seat->global.print = print_seat_info;
|
|
seat->global.destroy = destroy_seat_info;
|
|
|
|
seat->seat = wl_registry_bind(info->registry,
|
|
id, &wl_seat_interface, MIN(version, 4));
|
|
wl_seat_add_listener(seat->seat, &seat_listener, seat);
|
|
|
|
seat->repeat_rate = seat->repeat_delay = -1;
|
|
|
|
info->roundtrip_needed = true;
|
|
}
|
|
|
|
static void
|
|
shm_handle_format(void *data, struct wl_shm *wl_shm, uint32_t format)
|
|
{
|
|
struct shm_info *shm = data;
|
|
struct shm_format *shm_format = xzalloc(sizeof *shm_format);
|
|
|
|
wl_list_insert(&shm->formats, &shm_format->link);
|
|
shm_format->format = format;
|
|
}
|
|
|
|
static const struct wl_shm_listener shm_listener = {
|
|
shm_handle_format,
|
|
};
|
|
|
|
static void
|
|
destroy_shm_info(void *data)
|
|
{
|
|
struct shm_info *shm = data;
|
|
struct shm_format *format, *tmp;
|
|
|
|
wl_list_for_each_safe(format, tmp, &shm->formats, link) {
|
|
wl_list_remove(&format->link);
|
|
free(format);
|
|
}
|
|
|
|
wl_shm_destroy(shm->shm);
|
|
}
|
|
|
|
static void
|
|
add_shm_info(struct weston_info *info, uint32_t id, uint32_t version)
|
|
{
|
|
struct shm_info *shm = xzalloc(sizeof *shm);
|
|
|
|
init_global_info(info, &shm->global, id, "wl_shm", version);
|
|
shm->global.print = print_shm_info;
|
|
shm->global.destroy = destroy_shm_info;
|
|
|
|
wl_list_init(&shm->formats);
|
|
|
|
shm->shm = wl_registry_bind(info->registry,
|
|
id, &wl_shm_interface, 1);
|
|
wl_shm_add_listener(shm->shm, &shm_listener, shm);
|
|
|
|
info->roundtrip_needed = true;
|
|
}
|
|
|
|
static void
|
|
output_handle_geometry(void *data, struct wl_output *wl_output,
|
|
int32_t x, int32_t y,
|
|
int32_t physical_width, int32_t physical_height,
|
|
int32_t subpixel,
|
|
const char *make, const char *model,
|
|
int32_t output_transform)
|
|
{
|
|
struct output_info *output = data;
|
|
|
|
output->geometry.x = x;
|
|
output->geometry.y = y;
|
|
output->geometry.physical_width = physical_width;
|
|
output->geometry.physical_height = physical_height;
|
|
output->geometry.subpixel = subpixel;
|
|
output->geometry.make = xstrdup(make);
|
|
output->geometry.model = xstrdup(model);
|
|
output->geometry.output_transform = output_transform;
|
|
}
|
|
|
|
static void
|
|
output_handle_mode(void *data, struct wl_output *wl_output,
|
|
uint32_t flags, int32_t width, int32_t height,
|
|
int32_t refresh)
|
|
{
|
|
struct output_info *output = data;
|
|
struct output_mode *mode = xmalloc(sizeof *mode);
|
|
|
|
mode->flags = flags;
|
|
mode->width = width;
|
|
mode->height = height;
|
|
mode->refresh = refresh;
|
|
|
|
wl_list_insert(output->modes.prev, &mode->link);
|
|
}
|
|
|
|
static void
|
|
output_handle_done(void *data, struct wl_output *wl_output)
|
|
{
|
|
/* don't bother waiting for this; there's no good reason a
|
|
* compositor will wait more than one roundtrip before sending
|
|
* these initial events. */
|
|
}
|
|
|
|
static void
|
|
output_handle_scale(void *data, struct wl_output *wl_output,
|
|
int32_t scale)
|
|
{
|
|
struct output_info *output = data;
|
|
|
|
output->geometry.scale = scale;
|
|
}
|
|
|
|
static const struct wl_output_listener output_listener = {
|
|
output_handle_geometry,
|
|
output_handle_mode,
|
|
output_handle_done,
|
|
output_handle_scale,
|
|
};
|
|
|
|
static void
|
|
destroy_output_info(void *data)
|
|
{
|
|
struct output_info *output = data;
|
|
struct output_mode *mode, *tmp;
|
|
|
|
wl_output_destroy(output->output);
|
|
|
|
if (output->geometry.make != NULL)
|
|
free(output->geometry.make);
|
|
if (output->geometry.model != NULL)
|
|
free(output->geometry.model);
|
|
|
|
wl_list_for_each_safe(mode, tmp, &output->modes, link) {
|
|
wl_list_remove(&mode->link);
|
|
free(mode);
|
|
}
|
|
}
|
|
|
|
static void
|
|
add_output_info(struct weston_info *info, uint32_t id, uint32_t version)
|
|
{
|
|
struct output_info *output = xzalloc(sizeof *output);
|
|
|
|
init_global_info(info, &output->global, id, "wl_output", version);
|
|
output->global.print = print_output_info;
|
|
output->global.destroy = destroy_output_info;
|
|
|
|
output->version = MIN(version, 2);
|
|
output->geometry.scale = 1;
|
|
wl_list_init(&output->modes);
|
|
|
|
output->output = wl_registry_bind(info->registry, id,
|
|
&wl_output_interface, output->version);
|
|
wl_output_add_listener(output->output, &output_listener,
|
|
output);
|
|
|
|
info->roundtrip_needed = true;
|
|
}
|
|
|
|
static void
|
|
destroy_presentation_info(void *info)
|
|
{
|
|
struct presentation_info *prinfo = info;
|
|
|
|
presentation_destroy(prinfo->presentation);
|
|
}
|
|
|
|
static const char *
|
|
clock_name(clockid_t clk_id)
|
|
{
|
|
static const char *names[] = {
|
|
[CLOCK_REALTIME] = "CLOCK_REALTIME",
|
|
[CLOCK_MONOTONIC] = "CLOCK_MONOTONIC",
|
|
[CLOCK_MONOTONIC_RAW] = "CLOCK_MONOTONIC_RAW",
|
|
[CLOCK_REALTIME_COARSE] = "CLOCK_REALTIME_COARSE",
|
|
[CLOCK_MONOTONIC_COARSE] = "CLOCK_MONOTONIC_COARSE",
|
|
#ifdef CLOCK_BOOTTIME
|
|
[CLOCK_BOOTTIME] = "CLOCK_BOOTTIME",
|
|
#endif
|
|
};
|
|
|
|
if (clk_id < 0 || (unsigned)clk_id >= ARRAY_LENGTH(names))
|
|
return "unknown";
|
|
|
|
return names[clk_id];
|
|
}
|
|
|
|
static void
|
|
print_presentation_info(void *info)
|
|
{
|
|
struct presentation_info *prinfo = info;
|
|
|
|
print_global_info(info);
|
|
|
|
printf("\tpresentation clock id: %d (%s)\n",
|
|
prinfo->clk_id, clock_name(prinfo->clk_id));
|
|
}
|
|
|
|
static void
|
|
presentation_handle_clock_id(void *data, struct presentation *presentation,
|
|
uint32_t clk_id)
|
|
{
|
|
struct presentation_info *prinfo = data;
|
|
|
|
prinfo->clk_id = clk_id;
|
|
}
|
|
|
|
static const struct presentation_listener presentation_listener = {
|
|
presentation_handle_clock_id
|
|
};
|
|
|
|
static void
|
|
add_presentation_info(struct weston_info *info, uint32_t id, uint32_t version)
|
|
{
|
|
struct presentation_info *prinfo = xzalloc(sizeof *prinfo);
|
|
|
|
init_global_info(info, &prinfo->global, id, "presentation", version);
|
|
prinfo->global.print = print_presentation_info;
|
|
prinfo->global.destroy = destroy_presentation_info;
|
|
|
|
prinfo->clk_id = -1;
|
|
prinfo->presentation = wl_registry_bind(info->registry, id,
|
|
&presentation_interface, 1);
|
|
presentation_add_listener(prinfo->presentation, &presentation_listener,
|
|
prinfo);
|
|
|
|
info->roundtrip_needed = true;
|
|
}
|
|
|
|
static void
|
|
destroy_global_info(void *data)
|
|
{
|
|
}
|
|
|
|
static void
|
|
add_global_info(struct weston_info *info, uint32_t id,
|
|
const char *interface, uint32_t version)
|
|
{
|
|
struct global_info *global = xzalloc(sizeof *global);
|
|
|
|
init_global_info(info, global, id, interface, version);
|
|
global->print = print_global_info;
|
|
global->destroy = destroy_global_info;
|
|
}
|
|
|
|
static void
|
|
global_handler(void *data, struct wl_registry *registry, uint32_t id,
|
|
const char *interface, uint32_t version)
|
|
{
|
|
struct weston_info *info = data;
|
|
|
|
if (!strcmp(interface, "wl_seat"))
|
|
add_seat_info(info, id, version);
|
|
else if (!strcmp(interface, "wl_shm"))
|
|
add_shm_info(info, id, version);
|
|
else if (!strcmp(interface, "wl_output"))
|
|
add_output_info(info, id, version);
|
|
else if (!strcmp(interface, "presentation"))
|
|
add_presentation_info(info, id, version);
|
|
else
|
|
add_global_info(info, id, interface, version);
|
|
}
|
|
|
|
static void
|
|
global_remove_handler(void *data, struct wl_registry *registry, uint32_t name)
|
|
{
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener = {
|
|
global_handler,
|
|
global_remove_handler
|
|
};
|
|
|
|
static void
|
|
print_infos(struct wl_list *infos)
|
|
{
|
|
struct global_info *info;
|
|
|
|
wl_list_for_each(info, infos, link)
|
|
info->print(info);
|
|
}
|
|
|
|
static void
|
|
destroy_info(void *data)
|
|
{
|
|
struct global_info *global = data;
|
|
|
|
global->destroy(data);
|
|
wl_list_remove(&global->link);
|
|
free(global->interface);
|
|
free(data);
|
|
}
|
|
|
|
static void
|
|
destroy_infos(struct wl_list *infos)
|
|
{
|
|
struct global_info *info, *tmp;
|
|
wl_list_for_each_safe(info, tmp, infos, link)
|
|
destroy_info(info);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
struct weston_info info;
|
|
|
|
info.display = wl_display_connect(NULL);
|
|
if (!info.display) {
|
|
fprintf(stderr, "failed to create display: %m\n");
|
|
return -1;
|
|
}
|
|
|
|
wl_list_init(&info.infos);
|
|
|
|
info.registry = wl_display_get_registry(info.display);
|
|
wl_registry_add_listener(info.registry, ®istry_listener, &info);
|
|
|
|
do {
|
|
info.roundtrip_needed = false;
|
|
wl_display_roundtrip(info.display);
|
|
} while (info.roundtrip_needed);
|
|
|
|
print_infos(&info.infos);
|
|
destroy_infos(&info.infos);
|
|
|
|
wl_registry_destroy(info.registry);
|
|
wl_display_disconnect(info.display);
|
|
|
|
return 0;
|
|
}
|