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drm_format_set_union: Require initialized dst and remove assert

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This commit is contained in:
Alexander Orzechowski 2023-05-04 14:16:34 -04:00 committed by Simon Ser
parent d7917d2076
commit 1ee75786b4
3 changed files with 4 additions and 7 deletions
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3
include/wlr/render/drm_format_set.h
View file

@ -82,7 +82,8 @@ bool wlr_drm_format_set_intersect(struct wlr_drm_format_set *dst,
/**
* Unions DRM format set `a` and `b`, storing in the destination set
* `dst`.
* `dst`. The `dst` must either be zeroed or initialized with other state
* to be replaced.
*
* Returns false on failure.
*/

3
render/drm_format_set.c
View file

@ -258,8 +258,6 @@ static bool drm_format_set_extend(struct wlr_drm_format_set *dst,
bool wlr_drm_format_set_union(struct wlr_drm_format_set *dst,
const struct wlr_drm_format_set *a, const struct wlr_drm_format_set *b) {
assert(dst != a && dst != b);
struct wlr_drm_format_set out = {0};
out.capacity = a->len + b->len;
out.formats = calloc(out.capacity, sizeof(struct wlr_drm_format *));
@ -276,6 +274,7 @@ bool wlr_drm_format_set_union(struct wlr_drm_format_set *dst,
return false;
}
wlr_drm_format_set_finish(dst);
*dst = out;
return true;

5
types/wlr_linux_dmabuf_v1.c
View file

@ -917,12 +917,9 @@ static bool set_default_feedback(struct wlr_linux_dmabuf_v1 *linux_dmabuf,
for (size_t i = 0; i < tranches_len; i++) {
const struct wlr_linux_dmabuf_feedback_v1_tranche *tranche = &tranches[i];
struct wlr_drm_format_set uni;
if (!wlr_drm_format_set_union(&uni, &formats, &tranche->formats)) {
if (!wlr_drm_format_set_union(&formats, &formats, &tranche->formats)) {
goto error_formats;
}
wlr_drm_format_set_finish(&formats);
formats = uni;
}
compiled_feedback_destroy(linux_dmabuf->default_feedback);