diff --git a/backend/drm/backend.c b/backend/drm/backend.c index 94f6fc52..c125e399 100644 --- a/backend/drm/backend.c +++ b/backend/drm/backend.c @@ -249,21 +249,15 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display, goto error_event; } + // Force a linear layout. In case explicit modifiers aren't supported, + // the meaning of implicit modifiers changes from one GPU to the other. + // In case explicit modifiers are supported, we still have no guarantee + // that the buffer producer will support these, so they might fallback + // to implicit modifiers. for (size_t i = 0; i < texture_formats->len; i++) { const struct wlr_drm_format *fmt = texture_formats->formats[i]; - if (fmt->len == 0) { - // Modifiers aren't supported. The implicit modifier changes - // from a GPU to the other, so we can only accept linear - // buffers - wlr_drm_format_set_add(&drm->mgpu_formats, fmt->format, - DRM_FORMAT_MOD_LINEAR); - continue; - } - - for (size_t j = 0; j < fmt->len; j++) { - wlr_drm_format_set_add(&drm->mgpu_formats, fmt->format, - fmt->modifiers[j]); - } + wlr_drm_format_set_add(&drm->mgpu_formats, fmt->format, + DRM_FORMAT_MOD_LINEAR); } }