Commit a0335716 authored by Jonas Ådahl's avatar Jonas Ådahl Committed by Olivier Fourdan

xwayland/glamor-gbm: Handle DRM_FORMAT_MOD_INVALID gracefully

The compositor may send DRM_FORMAT_MOD_INVALID instead of a list of
modifiers for various reasons. Handle this gracefully by ignoring it.

Without this, if a compositor would send DRM_FORMAT_MOD_INVALID, it'd
result in empty windows provided by Xwayland.
Signed-off-by: Jonas Ådahl's avatarJonas Ådahl <jadahl@gmail.com>
Reviewed-by: default avatarOlivier Fourdan <ofourdan@redhat.com>
Reviewed-by: Michel Dänzer's avatarMichel Dänzer <mdaenzer@redhat.com>
(cherry picked from commit edf96443)
parent 3c48bd50
Pipeline #118975 passed with stages
in 7 minutes and 42 seconds
......@@ -798,6 +798,10 @@ xwl_dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
struct xwl_format *xwl_format = NULL;
int i;
if (modifier_hi == (DRM_FORMAT_MOD_INVALID >> 32) &&
modifier_lo == (DRM_FORMAT_MOD_INVALID & 0xffffffff))
return;
for (i = 0; i < xwl_screen->num_formats; i++) {
if (xwl_screen->formats[i].format == format) {
xwl_format = &xwl_screen->formats[i];
......
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