mirror of https://github.com/encounter/SDL.git
Wayland: Properly discover displays and their modes.
Fixes Bugzilla #2913.
This commit is contained in:
Emmanuel Gil Peyrot
parent
e7ba78a35a
commit
89be609adf
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@ -43,11 +43,6 @@
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#define WAYLANDVID_DRIVER_NAME "wayland"
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struct wayland_mode {
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SDL_DisplayMode mode;
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struct wl_list link;
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};
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/* Initialization/Query functions */
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static int
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Wayland_VideoInit(_THIS);
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@ -135,27 +130,6 @@ VideoBootStrap Wayland_bootstrap = {
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Wayland_Available, Wayland_CreateDevice
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};
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static void
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wayland_add_mode(SDL_VideoData *d, SDL_DisplayMode m)
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{
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struct wayland_mode *mode;
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/* Check for duplicate mode */
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wl_list_for_each(mode, &d->modes_list, link)
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if (mode->mode.w == m.w && mode->mode.h == m.h &&
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mode->mode.refresh_rate == m.refresh_rate)
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return;
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/* Add new mode to the list */
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mode = (struct wayland_mode *) SDL_calloc(1, sizeof *mode);
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if (!mode)
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return;
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mode->mode = m;
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WAYLAND_wl_list_insert(&d->modes_list, &mode->link);
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}
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static void
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display_handle_geometry(void *data,
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struct wl_output *output,
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@ -168,55 +142,79 @@ display_handle_geometry(void *data,
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int transform)
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{
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SDL_VideoData *d = data;
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SDL_VideoDisplay *display = data;
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d->screen_allocation.x = x;
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d->screen_allocation.y = y;
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display->name = strdup(model);
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display->driverdata = output;
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}
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static void
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display_handle_mode(void *data,
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struct wl_output *wl_output,
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struct wl_output *output,
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uint32_t flags,
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int width,
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int height,
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int refresh)
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{
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SDL_VideoData *d = data;
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SDL_VideoDisplay *display = data;
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SDL_DisplayMode mode;
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SDL_zero(mode);
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mode.w = width;
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mode.h = height;
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mode.refresh_rate = refresh / 1000;
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wayland_add_mode(d, mode);
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mode.refresh_rate = refresh / 1000; // mHz to Hz
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SDL_AddDisplayMode(display, &mode);
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if (flags & WL_OUTPUT_MODE_CURRENT) {
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d->screen_allocation.width = width;
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d->screen_allocation.height = height;
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display->current_mode = mode;
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display->desktop_mode = mode;
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}
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}
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static void
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display_handle_done(void *data,
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struct wl_output *output)
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{
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SDL_VideoDisplay *display = data;
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SDL_AddVideoDisplay(display);
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SDL_free(display->name);
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SDL_free(display);
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}
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static void
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display_handle_scale(void *data,
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struct wl_output *output,
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int32_t factor)
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{
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// TODO: do HiDPI stuff.
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}
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static const struct wl_output_listener output_listener = {
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display_handle_geometry,
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display_handle_mode
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display_handle_mode,
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display_handle_done,
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display_handle_scale
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};
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static void
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shm_handle_format(void *data,
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struct wl_shm *shm,
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uint32_t format)
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Wayland_add_display(SDL_VideoData *d, uint32_t id)
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{
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SDL_VideoData *d = data;
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SDL_VideoDisplay *display = SDL_malloc(sizeof *display);
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if (!display) {
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SDL_OutOfMemory();
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return;
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}
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SDL_zero(*display);
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d->shm_formats |= (1 << format);
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struct wl_output *output = wl_registry_bind(d->registry, id, &wl_output_interface, 2);
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if (!output) {
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SDL_SetError("Failed to retrieve output.");
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return;
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}
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wl_output_add_listener(output, &output_listener, display);
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}
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static const struct wl_shm_listener shm_listener = {
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shm_handle_format
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};
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#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
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static void
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windowmanager_hints(void *data, struct qt_windowmanager *qt_windowmanager,
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@ -245,8 +243,7 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
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if (strcmp(interface, "wl_compositor") == 0) {
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d->compositor = wl_registry_bind(d->registry, id, &wl_compositor_interface, 1);
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} else if (strcmp(interface, "wl_output") == 0) {
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d->output = wl_registry_bind(d->registry, id, &wl_output_interface, 1);
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wl_output_add_listener(d->output, &output_listener, d);
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Wayland_add_display(d, id);
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} else if (strcmp(interface, "wl_seat") == 0) {
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Wayland_display_add_input(d, id);
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} else if (strcmp(interface, "wl_shell") == 0) {
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@ -255,7 +252,6 @@ display_handle_global(void *data, struct wl_registry *registry, uint32_t id,
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d->shm = wl_registry_bind(registry, id, &wl_shm_interface, 1);
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d->cursor_theme = WAYLAND_wl_cursor_theme_load(NULL, 32, d->shm);
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d->default_cursor = WAYLAND_wl_cursor_theme_get_cursor(d->cursor_theme, "left_ptr");
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wl_shm_add_listener(d->shm, &shm_listener, d);
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#ifdef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
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} else if (strcmp(interface, "qt_touch_extension") == 0) {
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@ -278,20 +274,13 @@ static const struct wl_registry_listener registry_listener = {
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int
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Wayland_VideoInit(_THIS)
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{
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SDL_VideoData *data;
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SDL_VideoDisplay display;
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SDL_DisplayMode mode;
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int i;
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data = malloc(sizeof *data);
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SDL_VideoData *data = SDL_malloc(sizeof *data);
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if (data == NULL)
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return 0;
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memset(data, 0, sizeof *data);
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_this->driverdata = data;
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WAYLAND_wl_list_init(&data->modes_list);
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data->display = WAYLAND_wl_display_connect(NULL);
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if (data->display == NULL) {
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SDL_SetError("Failed to connect to a Wayland display");
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@ -299,25 +288,18 @@ Wayland_VideoInit(_THIS)
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}
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data->registry = wl_display_get_registry(data->display);
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if ( data->registry == NULL) {
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if (data->registry == NULL) {
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SDL_SetError("Failed to get the Wayland registry");
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return 0;
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}
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wl_registry_add_listener(data->registry, ®istry_listener, data);
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for (i=0; i < 100; i++) {
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if (data->screen_allocation.width != 0 || WAYLAND_wl_display_get_error(data->display) != 0) {
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break;
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}
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WAYLAND_wl_display_dispatch(data->display);
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}
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// First roundtrip to receive all registry objects.
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wl_display_roundtrip(data->display);
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if (data->screen_allocation.width == 0) {
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SDL_SetError("Failed while waiting for screen allocation: %d ", WAYLAND_wl_display_get_error(data->display));
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return 0;
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}
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// Second roundtrip to receive all output events.
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wl_display_roundtrip(data->display);
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data->xkb_context = WAYLAND_xkb_context_new(0);
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if (!data->xkb_context) {
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@ -325,20 +307,7 @@ Wayland_VideoInit(_THIS)
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return 0;
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}
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/* Use a fake 32-bpp desktop mode */
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mode.format = SDL_PIXELFORMAT_RGB888;
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mode.w = data->screen_allocation.width;
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mode.h = data->screen_allocation.height;
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mode.refresh_rate = 0;
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mode.driverdata = NULL;
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wayland_add_mode(data, mode);
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SDL_zero(display);
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display.desktop_mode = mode;
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display.current_mode = mode;
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display.driverdata = NULL;
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SDL_AddVideoDisplay(&display);
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Wayland_InitMouse ();
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Wayland_InitMouse();
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WAYLAND_wl_display_flush(data->display);
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@ -348,46 +317,30 @@ Wayland_VideoInit(_THIS)
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static void
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Wayland_GetDisplayModes(_THIS, SDL_VideoDisplay *sdl_display)
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{
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SDL_VideoData *data = _this->driverdata;
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SDL_DisplayMode mode;
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struct wayland_mode *m;
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Wayland_PumpEvents(_this);
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wl_list_for_each(m, &data->modes_list, link) {
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m->mode.format = SDL_PIXELFORMAT_RGB888;
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SDL_AddDisplayMode(sdl_display, &m->mode);
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m->mode.format = SDL_PIXELFORMAT_RGBA8888;
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SDL_AddDisplayMode(sdl_display, &m->mode);
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}
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mode.w = data->screen_allocation.width;
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mode.h = data->screen_allocation.height;
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mode.refresh_rate = 0;
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mode.driverdata = NULL;
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mode.format = SDL_PIXELFORMAT_RGB888;
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SDL_AddDisplayMode(sdl_display, &mode);
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mode.format = SDL_PIXELFORMAT_RGBA8888;
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SDL_AddDisplayMode(sdl_display, &mode);
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// Nothing to do here, everything was already done in the wl_output
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// callbacks.
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}
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static int
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Wayland_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
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{
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return 0;
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SDL_SetError("SetDisplayMode not (yet?) supported on Wayland.");
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return -1;
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}
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void
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Wayland_VideoQuit(_THIS)
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{
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SDL_VideoData *data = _this->driverdata;
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struct wayland_mode *t, *m;
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int i;
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Wayland_FiniMouse ();
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if (data->output)
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wl_output_destroy(data->output);
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for (i = 0; i < _this->num_displays; ++i) {
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SDL_VideoDisplay *display = &_this->displays[i];
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wl_output_destroy(display->driverdata);
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display->driverdata = NULL;
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}
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Wayland_display_destroy_input(data);
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@ -417,17 +370,14 @@ Wayland_VideoQuit(_THIS)
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if (data->compositor)
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wl_compositor_destroy(data->compositor);
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if (data->registry)
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wl_registry_destroy(data->registry);
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if (data->display) {
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WAYLAND_wl_display_flush(data->display);
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WAYLAND_wl_display_disconnect(data->display);
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}
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wl_list_for_each_safe(m, t, &data->modes_list, link) {
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WAYLAND_wl_list_remove(&m->link);
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free(m);
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}
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free(data);
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_this->driverdata = NULL;
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}
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@ -40,19 +40,12 @@ typedef struct {
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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 wl_output *output;
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struct wl_shm *shm;
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struct wl_cursor_theme *cursor_theme;
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struct wl_cursor *default_cursor;
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struct wl_pointer *pointer;
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struct wl_shell *shell;
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struct {
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int32_t x, y, width, height;
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} screen_allocation;
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struct wl_list modes_list;
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EGLDisplay edpy;
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EGLContext context;
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EGLConfig econf;
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@ -65,8 +58,6 @@ typedef struct {
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struct qt_surface_extension *surface_extension;
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struct qt_windowmanager *windowmanager;
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#endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
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uint32_t shm_formats;
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} SDL_VideoData;
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#endif /* _SDL_waylandvideo_h */
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@ -179,17 +179,6 @@ int Wayland_CreateWindow(_THIS, SDL_Window *window)
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}
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#endif /* SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH */
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/**
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* If the user specified 0x0 as the size (turned to 1x1 by SDL_CreateWindow
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* in SDL_video.c), we want to make the window fill the whole screen
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**/
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if (window->w == 1) {
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window->w = c->screen_allocation.width;
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}
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if (window->h == 1) {
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window->h = c->screen_allocation.height;
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}
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data->egl_window = WAYLAND_wl_egl_window_create(data->surface,
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window->w, window->h);
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