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backend/drm: don't set cursor if off-screen

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Closes: https://github.com/swaywm/wlroots/issues/2216
This commit is contained in:
Simon Ser 2020-05-27 18:16:03 +02:00 • committed by Drew DeVault
parent 5947160630
commit e7a8ea84c3
4 changed files with 14 additions and 2 deletions
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11
backend/drm/drm.c
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@ -999,6 +999,17 @@ static bool drm_connector_move_cursor(struct wlr_output *output,
return true;
}
bool drm_connector_is_cursor_visible(struct wlr_drm_connector *conn) {
assert(conn->crtc != NULL && conn->crtc->cursor != NULL);
struct wlr_drm_plane *plane = conn->crtc->cursor;
return plane->cursor_enabled &&
conn->cursor_x < conn->output.width &&
conn->cursor_y < conn->output.height &&
conn->cursor_x + (int)plane->surf.width >= 0 &&
conn->cursor_y + (int)plane->surf.height >= 0;
}
static void drm_connector_destroy(struct wlr_output *output) {
struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
drm_connector_cleanup(conn);