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backend/x11: implement get_drm_fd

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This commit is contained in:
Simon Ser 2020-12-19 15:46:14 +01:00
parent b7c95d483a
commit 6dfc8ce00b
2 changed files with 17 additions and 2 deletions
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18
backend/x11/backend.c
View file

@ -188,6 +188,8 @@ static void backend_destroy(struct wlr_backend *backend) {
xcb_errors_context_free(x11->errors_context);
#endif
close(x11->drm_fd);
if (x11->xlib_conn) {
XCloseDisplay(x11->xlib_conn);
}
@ -200,10 +202,16 @@ static struct wlr_renderer *backend_get_renderer(
return x11->renderer;
}
static int backend_get_drm_fd(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
return x11->drm_fd;
}
static const struct wlr_backend_impl backend_impl = {
.start = backend_start,
.destroy = backend_destroy,
.get_renderer = backend_get_renderer,
.get_drm_fd = backend_get_drm_fd,
};
bool wlr_backend_is_x11(struct wlr_backend *backend) {
@ -519,12 +527,18 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
// DRI3 may return a render node (Xwayland) or an authenticated primary
// node (plain Glamor).
int drm_fd = query_dri3_drm_fd(x11);
if (drm_fd < 0) {
x11->drm_fd = query_dri3_drm_fd(x11);
if (x11->drm_fd < 0) {
wlr_log(WLR_ERROR, "Failed to query DRI3 DRM FD");
goto error_event;
}
int drm_fd = fcntl(x11->drm_fd, F_DUPFD_CLOEXEC, 0);
if (drm_fd < 0) {
wlr_log(WLR_ERROR, "fcntl(F_DUPFD_CLOEXEC) failed");
goto error_event;
}
struct wlr_gbm_allocator *gbm_alloc = wlr_gbm_allocator_create(drm_fd);
if (gbm_alloc == NULL) {
wlr_log(WLR_ERROR, "Failed to create GBM allocator");

1
include/backend/x11.h
View file

@ -76,6 +76,7 @@ struct wlr_x11_backend {
struct wlr_keyboard keyboard;
struct wlr_input_device keyboard_dev;
int drm_fd;
struct wlr_renderer *renderer;
struct wlr_drm_format_set dri3_formats;
const struct wlr_x11_format *x11_format;