render/drm_format_set: remove special LINEAR case
This was used to make the intersection of INVALID and LINEAR result
in LINEAR. We can now just require LINEAR to be in both lists.
@@ -144,18 +144,6 @@ struct wlr_drm_format *wlr_drm_format_intersect(
const struct wlr_drm_format *a, const struct wlr_drm_format *b) {
assert(a->format == b->format);
- // Special case: if a format only supports LINEAR and the other supports
- // implicit modifiers, force LINEAR. This will force the allocator to
- // create a buffer with a linear layout instead of an implicit modifier.
- if (a->len == 1 && a->modifiers[0] == DRM_FORMAT_MOD_LINEAR &&
- wlr_drm_format_has(b, DRM_FORMAT_MOD_INVALID)) {
- return wlr_drm_format_dup(a);
- }
- if (b->len == 1 && b->modifiers[0] == DRM_FORMAT_MOD_LINEAR &&
- wlr_drm_format_has(a, DRM_FORMAT_MOD_INVALID)) {
- return wlr_drm_format_dup(b);
- }
-
size_t format_cap = a->len < b->len ? a->len : b->len;
size_t format_size = sizeof(struct wlr_drm_format) +
format_cap * sizeof(a->modifiers[0]);
