test/frame-fault.c

1/* SPDX-License-Identifier: BSD-3-Clause */

2#define _GNU_SOURCE

3#include <dlfcn.h>

4#include <errno.h>

5#include <stdio.h>

6#include <stdlib.h>

7#include <unistd.h>

8#include <wlr/interfaces/wlr_output.h>

9#include <wlr/types/wlr_compositor.h>

11bool wlr_output_commit_state(struct wlr_output *output, const struct wlr_output_state *state) {

12 const char *barrier = getenv("SIGIL_WM_FRAME_FAILURE");

13 if ((state->committed & WLR_OUTPUT_STATE_BUFFER) && barrier && unlink(barrier) == 0) {

14 fprintf(stderr, "FRAME_COMMIT_EBUSY output=%s sequence=%u\n", output->name, output->commit_seq + 1);

15 errno = EBUSY;

16 return false;

17 }

18 typedef bool (*commit_fn)(struct wlr_output *, const struct wlr_output_state *);

19 commit_fn commit = (commit_fn)dlsym(RTLD_NEXT, "wlr_output_commit_state");

20 if (!commit) abort();

21 bool accepted = commit(output, state);

22 if (accepted && (state->committed & WLR_OUTPUT_STATE_BUFFER))

23 fprintf(stderr, "FRAME_COMMIT_ACCEPTED output=%s sequence=%u\n", output->name, output->commit_seq);

24 return accepted;

25}

26void wlr_output_send_present(struct wlr_output *output, struct wlr_output_event_present *event) {

    fprintf(stderr, "FRAME_PRESENT output=%s sequence=%u presented=%d\n", output->name, event->commit_seq, event->presented);

28 typedef void (*present_fn)(struct wlr_output *, struct wlr_output_event_present *);

29 present_fn present = (present_fn)dlsym(RTLD_NEXT, "wlr_output_send_present");

30 if (!present) abort();

31 present(output, event);

32}

33void wlr_surface_send_frame_done(struct wlr_surface *surface, const struct timespec *when) {

34 if (!wl_list_empty(&surface->current.frame_callback_list))

35 fprintf(stderr, "FRAME_CALLBACK sequence=%u callbacks=%d\n", surface->current.seq,

36 wl_list_length(&surface->current.frame_callback_list));

37 typedef void (*done_fn)(struct wlr_surface *, const struct timespec *);

38 done_fn done = (done_fn)dlsym(RTLD_NEXT, "wlr_surface_send_frame_done");

39 if (!done) abort();

40 done(surface, when);

41}