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wayland: Use the output description from wl_output as of v4 

xdg-output names and descriptions are deprecated in favor of those provided by the core wl_output protocol as of v4. Bump wl_output support to v4 and ignore the xdg-output description in favor of the wl_output description when appropriate.
This commit is contained in:
Frank Praznik 2023-04-04 13:09:18 -04:00
parent 5c27bc81d8
commit a21ee02095
1 changed files with 34 additions and 11 deletions
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45
src/video/wayland/SDL_waylandvideo.c
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@ -62,6 +62,12 @@
#define WAYLANDVID_DRIVER_NAME "wayland"
#if SDL_WAYLAND_CHECK_VERSION(1, 20, 0)
#define SDL_WL_OUTPUT_VERSION 4
#else
#define SDL_WL_OUTPUT_VERSION 3
#endif
static void display_handle_done(void *data, struct wl_output *output);
/* Initialization/Query functions */
@ -324,6 +330,7 @@ static void xdg_output_handle_done(void *data, struct zxdg_output_v1 *xdg_output
static void xdg_output_handle_name(void *data, struct zxdg_output_v1 *xdg_output,
const char *name)
{
/* Deprecated as of wl_output v4. */
}
static void xdg_output_handle_description(void *data, struct zxdg_output_v1 *xdg_output,
@ -331,12 +338,11 @@ static void xdg_output_handle_description(void *data, struct zxdg_output_v1 *xdg
{
SDL_DisplayData *driverdata = (SDL_DisplayData *)data;
if (driverdata->display == 0) {
/* Deprecated as of wl_output v4. */
if (wl_output_get_version(driverdata->output) < WL_OUTPUT_DESCRIPTION_SINCE_VERSION &&
driverdata->display == 0) {
/* xdg-output descriptions, if available, supersede wl-output model names. */
if (driverdata->placeholder.name != NULL) {
SDL_free(driverdata->placeholder.name);
}
SDL_free(driverdata->placeholder.name);
driverdata->placeholder.name = SDL_strdup(description);
}
}
@ -449,7 +455,7 @@ static void display_handle_geometry(void *data,
driverdata->physical_width = physical_width;
driverdata->physical_height = physical_height;
/* The output name is only set if xdg-output hasn't provided a description. */
/* The model is only used for the output name if wl_output or xdg-output haven't provided a description. */
if (driverdata->display == 0 && driverdata->placeholder.name == NULL) {
driverdata->placeholder.name = SDL_strdup(model);
}
@ -654,11 +660,28 @@ static void display_handle_scale(void *data,
driverdata->scale_factor = factor;
}
static void display_handle_name(void *data, struct wl_output *wl_output, const char *name)
{
}
static void display_handle_description(void *data, struct wl_output *wl_output, const char *description)
{
SDL_DisplayData *driverdata = (SDL_DisplayData *)data;
if (driverdata->display == 0) {
/* The description, if available, supersedes the model name. */
SDL_free(driverdata->placeholder.name);
driverdata->placeholder.name = SDL_strdup(description);
}
}
static const struct wl_output_listener output_listener = {
display_handle_geometry,
display_handle_mode,
display_handle_done,
display_handle_scale
display_handle_geometry, /* Version 1 */
display_handle_mode, /* Version 1 */
display_handle_done, /* Version 2 */
display_handle_scale, /* Version 2 */
display_handle_name, /* Version 4 */
display_handle_description /* Version 4 */
};
static int Wayland_add_display(SDL_VideoData *d, uint32_t id, uint32_t version)
@ -771,7 +794,7 @@ static void display_handle_global(void *data, struct wl_registry *registry, uint
if (SDL_strcmp(interface, "wl_compositor") == 0) {
d->compositor = wl_registry_bind(d->registry, id, &wl_compositor_interface, SDL_min(4, version));
} else if (SDL_strcmp(interface, "wl_output") == 0) {
Wayland_add_display(d, id, SDL_min(version, 3));
Wayland_add_display(d, id, SDL_min(version, SDL_WL_OUTPUT_VERSION));
} else if (SDL_strcmp(interface, "wl_seat") == 0) {
Wayland_display_add_input(d, id, version);
} else if (SDL_strcmp(interface, "xdg_wm_base") == 0) {