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Add backend detection functions

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Resolves #80
This commit is contained in:
Calvin Lee 2017-08-13 23:05:57 +02:00
parent 41e735242d
commit de66bdb867
5 changed files with 17 additions and 4 deletions
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4
backend/drm/backend.c
View file

@ -52,6 +52,10 @@ static struct wlr_backend_impl backend_impl = {
.get_egl = wlr_drm_backend_get_egl
};
bool wlr_backend_is_drm(struct wlr_backend *b) {
return b->impl == &backend_impl;
}
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *backend =
wl_container_of(listener, backend, session_signal);

4
backend/libinput/backend.c
View file

@ -103,6 +103,10 @@ static struct wlr_backend_impl backend_impl = {
.destroy = wlr_libinput_backend_destroy
};
bool wlr_backend_is_libinput(struct wlr_backend *b) {
return b->impl == &backend_impl;
}
static void session_signal(struct wl_listener *listener, void *data) {
struct wlr_libinput_backend *backend = wl_container_of(listener, backend, session_signal);
struct wlr_session *session = data;

9
backend/multi/backend.c
View file

@ -1,3 +1,4 @@
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wlr/backend/interface.h>
@ -111,6 +112,8 @@ static void output_remove_reemit(struct wl_listener *listener, void *data) {
void wlr_multi_backend_add(struct wlr_backend *_multi,
struct wlr_backend *backend) {
assert(wlr_backend_is_multi(backend));
struct wlr_multi_backend *multi = (struct wlr_multi_backend *)_multi;
struct subbackend_state *sub = calloc(1, sizeof(struct subbackend_state));
sub->backend = backend;
@ -135,10 +138,8 @@ void wlr_multi_backend_add(struct wlr_backend *_multi,
}
struct wlr_session *wlr_multi_get_session(struct wlr_backend *_backend) {
// TODO: assert(wlr_backend_is_multi(_backend));
if (_backend->impl != &backend_impl) {
return NULL;
}
assert(wlr_backend_is_multi(_backend));
struct wlr_multi_backend *backend = (struct wlr_multi_backend *)_backend;
return backend->session;
}

2
include/wlr/backend/drm.h
View file

@ -9,4 +9,6 @@
struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev, int gpu_fd);
bool wlr_backend_is_drm(struct wlr_backend *backend);
#endif

2
include/wlr/backend/libinput.h
View file

@ -12,4 +12,6 @@ struct wlr_backend *wlr_libinput_backend_create(struct wl_display *display,
struct wlr_session *session, struct wlr_udev *udev);
struct libinput_device *wlr_libinput_get_device_handle(struct wlr_input_device *dev);
bool wlr_backend_is_libinput(struct wlr_backend *backend);
#endif