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render,types/wlr_shm: Offload slow cleanup ops

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Defers close()/munmap() calls into a cleanup thread in to avoid blocking
when they are slow. This is most noticable on low end hardware with
large screens where large surfaces can spend considerable time
invalidating mmus on the gpu or clearing shmem pages.
This commit is contained in:
Kurt Kartaltepe 2024-07-22 19:09:27 -07:00
parent 015bb8512e
commit 5cc737d599
6 changed files with 130 additions and 4 deletions
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18
render/dmabuf.c
View file

@ -1,15 +1,31 @@
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <wlr/render/dmabuf.h>
#include <wlr/util/log.h>
#include "render/dmabuf.h"
#include "util/cleanup.h"
static void defer_close_dmabuf(void *data) {
struct wlr_dmabuf_attributes *attribs = data;
void wlr_dmabuf_attributes_finish(struct wlr_dmabuf_attributes *attribs) {
for (int i = 0; i < attribs->n_planes; ++i) {
close(attribs->fd[i]);
}
free(attribs);
}
void wlr_dmabuf_attributes_finish(struct wlr_dmabuf_attributes *attribs) {
struct wlr_dmabuf_attributes *attribs_defer = calloc(1, sizeof(struct wlr_dmabuf_attributes));
attribs_defer->n_planes = attribs->n_planes;
for (int i = 0; i < attribs->n_planes; ++i) {
attribs_defer->fd[i] = attribs->fd[i];
attribs->fd[i] = -1;
}
attribs->n_planes = 0;
wlr_cleanup_defer((struct wlr_task){&defer_close_dmabuf, attribs_defer});
}
bool wlr_dmabuf_attributes_copy(struct wlr_dmabuf_attributes *dst,