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wlr_drm_format: Rework wlr_drm_format_intersect

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Now it takes a reference to a destination format
This commit is contained in:
Alexander Orzechowski 2023-05-04 19:24:44 -04:00 • committed by Simon Ser
parent 340700cb70
commit 90d08f8f1c
10 changed files with 93 additions and 104 deletions
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37
render/drm_format_set.c
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@ -183,7 +183,7 @@ bool wlr_drm_format_set_copy(struct wlr_drm_format_set *dst, const struct wlr_dr
return true;
}
struct wlr_drm_format *wlr_drm_format_intersect(
bool wlr_drm_format_intersect(struct wlr_drm_format *dst,
const struct wlr_drm_format *a, const struct wlr_drm_format *b) {
assert(a->format == b->format);
@ -210,20 +210,9 @@ struct wlr_drm_format *wlr_drm_format_intersect(
}
}
// If the intersection is empty, then the formats aren't compatible with
// each other.
if (fmt.len == 0) {
wlr_drm_format_finish(&fmt);
return NULL;
}
struct wlr_drm_format *format = calloc(1, sizeof(*format));
if (!format) {
wlr_drm_format_finish(&fmt);
return NULL;
}
*format = fmt;
return format;
wlr_drm_format_finish(dst);
*dst = fmt;
return true;
}
bool wlr_drm_format_set_intersect(struct wlr_drm_format_set *dst,
@ -242,12 +231,24 @@ bool wlr_drm_format_set_intersect(struct wlr_drm_format_set *dst,
// When the two formats have no common modifier, keep
// intersecting the rest of the formats: they may be compatible
// with each other
struct wlr_drm_format *format =
wlr_drm_format_intersect(a->formats[i], b->formats[j]);
if (format != NULL) {
struct wlr_drm_format *format = calloc(1, sizeof(*format));
if (!format) {
wlr_drm_format_set_finish(&out);
return false;
}
if (!wlr_drm_format_intersect(format, a->formats[i], b->formats[j])) {
wlr_drm_format_set_finish(&out);
return false;
}
if (format->len == 0) {
wlr_drm_format_finish(format);
} else {
out.formats[out.len] = format;
out.len++;
}
break;
}
}