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#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include "backend/drm/otd.h"
#include "backend/drm/drm.h"
#include "backend/drm/event.h"
#include "backend/drm/session.h"
#include "backend/drm/udev.h"
struct otd *otd_start(void)
{
struct otd *otd = calloc(1, sizeof *otd);
if (!otd)
return NULL;
if (!otd_new_session(otd)) {
fprintf(stderr, "Could not create session\n");
goto error;
}
if (!otd_udev_start(otd)) {
fprintf(stderr, "Could not start udev\n");
goto error_session;
}
otd_udev_find_gpu(otd);
if (otd->fd == -1) {
fprintf(stderr, "Could not open GPU\n");
goto error_udev;
}
if (!init_renderer(otd)) {
fprintf(stderr, "Could not initalise renderer\n");
goto error_fd;
}
scan_connectors(otd);
return otd;
error_fd:
release_device(otd, otd->fd);
error_udev:
otd_udev_finish(otd);
error_session:
otd_close_session(otd);
error:
free(otd);
return NULL;
}
void otd_finish(struct otd *otd)
{
if (!otd)
return;
for (size_t i = 0; i < otd->display_len; ++i) {
destroy_display_renderer(otd, &otd->displays[i]);
}
destroy_renderer(otd);
otd_close_session(otd);
otd_udev_finish(otd);
close(otd->fd);
free(otd->events);
free(otd->displays);
free(otd);
}