mirrors/wlroots
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/wlroots/wlroots.git synced 2025-12-16 08:56:26 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

backend/x11: add WLR_X11_OUTPUTS support

Browse source
This commit is contained in:
emersion 2018-03-30 22:09:06 -04:00
parent d4f7ced6e2
commit 0a7a8cbd1c
No known key found for this signature in database
GPG key ID: 0FDE7BE0E88F5E48
5 changed files with 69 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

67
backend/backend.c
View file

@ -61,26 +61,48 @@ struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend) {
return NULL;
}
static int parse_outputs_env(const char *name) {
const char *outputs_str = getenv(name);
if (outputs_str == NULL) {
return 1;
}
char *end;
int outputs = (int)strtol(outputs_str, &end, 10);
if (*end || outputs < 0) {
wlr_log(L_ERROR, "%s specified with invalid integer, ignoring", name);
return 1;
}
return outputs;
}
static struct wlr_backend *attempt_wl_backend(struct wl_display *display) {
struct wlr_backend *backend = wlr_wl_backend_create(display, NULL);
if (backend) {
int outputs = 1;
const char *_outputs = getenv("WLR_WL_OUTPUTS");
if (_outputs) {
char *end;
outputs = (int)strtol(_outputs, &end, 10);
if (*end) {
wlr_log(L_ERROR, "WLR_WL_OUTPUTS specified with invalid integer, ignoring");
outputs = 1;
} else if (outputs < 0) {
wlr_log(L_ERROR, "WLR_WL_OUTPUTS specified with negative outputs, ignoring");
outputs = 1;
}
}
while (outputs--) {
wlr_wl_output_create(backend);
}
if (backend == NULL) {
return NULL;
}
int outputs = parse_outputs_env("WLR_WL_OUTPUTS");
for (int i = 0; i < outputs; ++i) {
wlr_wl_output_create(backend);
}
return backend;
}
static struct wlr_backend *attempt_x11_backend(struct wl_display *display,
const char *x11_display) {
struct wlr_backend *backend = wlr_x11_backend_create(display, x11_display);
if (backend == NULL) {
return NULL;
}
int outputs = parse_outputs_env("WLR_X11_OUTPUTS");
for (int i = 0; i < outputs; ++i) {
wlr_x11_output_create(backend);
}
return backend;
}
@ -91,7 +113,8 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
return NULL;
}
if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY")) {
if (getenv("WAYLAND_DISPLAY") || getenv("_WAYLAND_DISPLAY") ||
getenv("WAYLAND_SOCKET")) {
struct wlr_backend *wl_backend = attempt_wl_backend(display);
if (wl_backend) {
wlr_multi_backend_add(backend, wl_backend);
@ -103,9 +126,11 @@ struct wlr_backend *wlr_backend_autocreate(struct wl_display *display) {
const char *x11_display = getenv("DISPLAY");
if (x11_display) {
struct wlr_backend *x11_backend =
wlr_x11_backend_create(display, x11_display);
wlr_multi_backend_add(backend, x11_backend);
return backend;
attempt_x11_backend(display, x11_display);
if (x11_backend) {
wlr_multi_backend_add(backend, x11_backend);
return backend;
}
}
#endif