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Revert "render/drm_format_set: remove special LINEAR case"

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This reverts commit 6d281d96cb.
This commit is contained in:
Simon Ser 2021-10-01 17:22:04 +02:00 committed by Simon Zeni
parent 6d281d96cb
commit 42138a073b
1 changed files with 12 additions and 0 deletions
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12
render/drm_format_set.c
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@ -144,6 +144,18 @@ 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]);