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backend: make DRM and libinput backends optional

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Co-authored-by: Simon Ser <contact@emersion.fr>
This commit is contained in:
ayaka 2021-03-26 23:28:37 +08:00 • committed by Simon Zeni
parent 66c42f4fcb
commit 70fb21c35b
8 changed files with 69 additions and 17 deletions
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25
backend/backend.c
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@ -6,10 +6,9 @@
#include <string.h>
#include <unistd.h>
#include <wayland-server-core.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/headless.h>
#include <wlr/backend/interface.h>
#include <wlr/backend/libinput.h>
#include <wlr/backend/multi.h>
#include <wlr/backend/noop.h>
#include <wlr/backend/session.h>
@ -22,6 +21,14 @@
#include "render/allocator.h"
#include "util/signal.h"
#if WLR_HAS_DRM_BACKEND
#include <wlr/backend/drm.h>
#endif
#if WLR_HAS_LIBINPUT_BACKEND
#include <wlr/backend/libinput.h>
#endif
#if WLR_HAS_X11_BACKEND
#include <wlr/backend/x11.h>
#endif
@ -211,6 +218,7 @@ static struct wlr_backend *attempt_noop_backend(struct wl_display *display) {
return backend;
}
#if WLR_HAS_DRM_BACKEND
static struct wlr_backend *attempt_drm_backend(struct wl_display *display,
struct wlr_backend *backend, struct wlr_session *session) {
struct wlr_device *gpus[8];
@ -240,6 +248,7 @@ static struct wlr_backend *attempt_drm_backend(struct wl_display *display,
return primary_drm;
}
#endif
static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
struct wlr_backend *backend, struct wlr_session **session,
@ -265,9 +274,17 @@ static struct wlr_backend *attempt_backend_by_name(struct wl_display *display,
}
if (strcmp(name, "libinput") == 0) {
#if WLR_HAS_LIBINPUT_BACKEND
return wlr_libinput_backend_create(display, *session);
#else
return NULL;
#endif
} else {
#if WLR_HAS_DRM_BACKEND
return attempt_drm_backend(display, backend, *session);
#else
return NULL;
#endif
}
}
@ -355,6 +372,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
return NULL;
}
#if WLR_HAS_LIBINPUT_BACKEND
struct wlr_backend *libinput = wlr_libinput_backend_create(display,
multi->session);
if (!libinput) {
@ -364,7 +382,9 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
return NULL;
}
wlr_multi_backend_add(backend, libinput);
#endif
#if WLR_HAS_DRM_BACKEND
struct wlr_backend *primary_drm =
attempt_drm_backend(display, backend, multi->session);
if (!primary_drm) {
@ -376,6 +396,7 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
}
return backend;
#endif
error:
wlr_backend_destroy(backend);