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render/drm_format_set: introduce wlr_drm_format_dup

This commit is contained in:
Simon Ser 2020-08-07 19:02:49 +02:00
parent 5913040110
commit 7c6212a0f7
2 changed files with 20 additions and 0 deletions
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8
include/render/drm_format_set.h Normal file
View File

@ -0,0 +1,8 @@
#ifndef RENDER_DRM_FORMAT_SET_H
#define RENDER_DRM_FORMAT_SET_H
#include <wlr/render/drm_format_set.h>
struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format);
#endif

12
render/drm_format_set.c
View File

@ -6,6 +6,7 @@
#include <string.h>
#include <wlr/render/drm_format_set.h>
#include <wlr/util/log.h>
#include "render/drm_format_set.h"
void wlr_drm_format_set_finish(struct wlr_drm_format_set *set) {
for (size_t i = 0; i < set->len; ++i) {
@ -125,3 +126,14 @@ bool wlr_drm_format_set_add(struct wlr_drm_format_set *set, uint32_t format,
set->formats[set->len++] = fmt;
return true;
}
struct wlr_drm_format *wlr_drm_format_dup(const struct wlr_drm_format *format) {
size_t format_size = sizeof(struct wlr_drm_format) +
format->len * sizeof(format->modifiers[0]);
struct wlr_drm_format *duped_format = malloc(format_size);
if (duped_format == NULL) {
return NULL;
}
memcpy(duped_format, format, format_size);
return duped_format;
}