mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 11:55:59 +01:00
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "backend/drm/backend.h"
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#include "backend/drm/drm.h"
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#include "backend/drm/event.h"
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#include "backend/drm/session.h"
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#include "backend/drm/udev.h"
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struct wlr_drm_backend *wlr_drm_backend_init(void)
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{
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struct wlr_drm_backend *backend = calloc(1, sizeof *backend);
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if (!backend)
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return NULL;
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if (!wlr_session_start(&backend->session)) {
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fprintf(stderr, "Could not create session\n");
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goto error;
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}
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if (!wlr_udev_init(&backend->udev)) {
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fprintf(stderr, "Could not start udev\n");
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goto error_session;
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}
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backend->fd = wlr_udev_find_gpu(&backend->udev, &backend->session);
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if (backend->fd == -1) {
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fprintf(stderr, "Could not open GPU\n");
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goto error_udev;
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}
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if (!wlr_drm_renderer_init(&backend->renderer, backend, backend->fd)) {
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fprintf(stderr, "Could not initalise renderer\n");
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goto error_fd;
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}
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wlr_drm_scan_connectors(backend);
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return backend;
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error_fd:
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wlr_session_release_device(&backend->session, backend->fd);
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error_udev:
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wlr_udev_free(&backend->udev);
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error_session:
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wlr_session_end(&backend->session);
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error:
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free(backend);
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return NULL;
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}
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void wlr_drm_backend_free(struct wlr_drm_backend *backend)
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{
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if (!backend)
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return;
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for (size_t i = 0; i < backend->display_len; ++i) {
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wlr_drm_display_free(&backend->displays[i]);
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}
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wlr_drm_renderer_free(&backend->renderer);
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wlr_udev_free(&backend->udev);
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wlr_session_release_device(&backend->session, backend->fd);
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wlr_session_end(&backend->session);
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free(backend->events);
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free(backend->displays);
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free(backend);
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}
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