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output: listen to renderer destroy in wlr_output_cursor

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When a renderer is destroyed, so are all textures. Reset the
texture in that case.
This commit is contained in:
Simon Ser 2024-03-14 13:52:09 +01:00
parent 9e3576426d
commit f0d8377732
2 changed files with 18 additions and 0 deletions
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1
include/wlr/types/wlr_output.h
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@ -45,6 +45,7 @@ struct wlr_output_cursor {
int32_t hotspot_x, hotspot_y;
struct wlr_texture *texture;
bool own_texture;
struct wl_listener renderer_destroy;
struct wl_list link;
};

17
types/output/cursor.c
View File

@ -334,6 +334,13 @@ bool wlr_output_cursor_set_buffer(struct wlr_output_cursor *cursor,
dst_width, dst_height, WL_OUTPUT_TRANSFORM_NORMAL, hotspot_x, hotspot_y);
}
static void output_cursor_handle_renderer_destroy(struct wl_listener *listener,
void *data) {
struct wlr_output_cursor *cursor = wl_container_of(listener, cursor, renderer_destroy);
output_cursor_set_texture(cursor, NULL, false, NULL, 0, 0,
WL_OUTPUT_TRANSFORM_NORMAL, 0, 0);
}
bool output_cursor_set_texture(struct wlr_output_cursor *cursor,
struct wlr_texture *texture, bool own_texture, const struct wlr_fbox *src_box,
int dst_width, int dst_height, enum wl_output_transform transform,
@ -364,6 +371,14 @@ bool output_cursor_set_texture(struct wlr_output_cursor *cursor,
cursor->texture = texture;
cursor->own_texture = own_texture;
wl_list_remove(&cursor->renderer_destroy.link);
if (texture != NULL) {
cursor->renderer_destroy.notify = output_cursor_handle_renderer_destroy;
wl_signal_add(&texture->renderer->events.destroy, &cursor->renderer_destroy);
} else {
wl_list_init(&cursor->renderer_destroy.link);
}
if (output_cursor_attempt_hardware(cursor)) {
return true;
}
@ -415,6 +430,7 @@ struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output) {
cursor->output = output;
wl_list_insert(&output->cursors, &cursor->link);
cursor->visible = true; // default position is at (0, 0)
wl_list_init(&cursor->renderer_destroy.link);
return cursor;
}
@ -428,6 +444,7 @@ void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
output_set_hardware_cursor(cursor->output, NULL, 0, 0);
cursor->output->hardware_cursor = NULL;
}
wl_list_remove(&cursor->renderer_destroy.link);
if (cursor->own_texture) {
wlr_texture_destroy(cursor->texture);
}