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backend: don't create renderer if none is available

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This commit is contained in:
Simon Zeni 2021-09-13 16:34:29 -04:00
parent 1b736ef7df
commit d2094ed473
2 changed files with 0 additions and 28 deletions
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26
backend/backend.c
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@ -47,9 +47,6 @@ void wlr_backend_init(struct wlr_backend *backend,
void wlr_backend_finish(struct wlr_backend *backend) {
wlr_signal_emit_safe(&backend->events.destroy, backend);
wlr_allocator_destroy(backend->allocator);
if (backend->has_own_renderer) {
wlr_renderer_destroy(backend->renderer);
}
}
bool wlr_backend_start(struct wlr_backend *backend) {
@ -71,33 +68,10 @@ void wlr_backend_destroy(struct wlr_backend *backend) {
}
}
static bool backend_create_renderer(struct wlr_backend *backend) {
if (backend->renderer != NULL) {
return true;
}
backend->renderer = wlr_renderer_autocreate(backend);
if (backend->renderer == NULL) {
return false;
}
backend->has_own_renderer = true;
return true;
}
struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend) {
if (backend->impl->get_renderer) {
return backend->impl->get_renderer(backend);
}
if (backend_get_buffer_caps(backend) != 0) {
// If the backend is capable of presenting buffers, automatically create
// the renderer if necessary.
if (!backend_create_renderer(backend)) {
wlr_log(WLR_ERROR, "Failed to create backend renderer");
return NULL;
}
return backend->renderer;
}
return NULL;
}

2
include/wlr/backend.h
View file

@ -28,8 +28,6 @@ struct wlr_backend {
// Private state
bool has_own_renderer;
struct wlr_renderer *renderer;
struct wlr_allocator *allocator;
};