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backend/drm: add assertions

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This commit is contained in:
emersion 2018-09-17 22:25:20 +02:00
parent 02231554c8
commit 139a905924
3 changed files with 48 additions and 29 deletions
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18
backend/drm/backend.c
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@ -15,8 +15,14 @@
#include "backend/drm/drm.h"
#include "util/signal.h"
struct wlr_drm_backend *get_drm_backend_from_backend(
struct wlr_backend *wlr_backend) {
assert(wlr_backend_is_drm(wlr_backend));
return (struct wlr_drm_backend *)wlr_backend;
}
static bool backend_start(struct wlr_backend *backend) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
scan_drm_connectors(drm);
return true;
}
@ -26,7 +32,7 @@ static void backend_destroy(struct wlr_backend *backend) {
return;
}
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
restore_drm_outputs(drm);
@ -50,7 +56,7 @@ static void backend_destroy(struct wlr_backend *backend) {
static struct wlr_renderer *backend_get_renderer(
struct wlr_backend *backend) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
if (drm->parent) {
return drm->parent->renderer.wlr_rend;
@ -141,7 +147,9 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
wl_list_init(&drm->outputs);
drm->fd = gpu_fd;
drm->parent = (struct wlr_drm_backend *)parent;
if (parent != NULL) {
drm->parent = get_drm_backend_from_backend(parent);
}
drm->drm_invalidated.notify = drm_invalidated;
wlr_session_signal_add(session, gpu_fd, &drm->drm_invalidated);
@ -187,6 +195,6 @@ error_fd:
}
struct wlr_session *wlr_drm_backend_get_session(struct wlr_backend *backend) {
struct wlr_drm_backend *drm = (struct wlr_drm_backend *)backend;
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
return drm->session;
}