weston/clients/weston-info.c
Jonny Lamb ba9dca054e weston-info: display output scale
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>
2015-12-18 17:45:30 +02:00

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, &registry_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;
}