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backend: create renderer and allocator in wlr_backend_autocreate

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Instead of ensuring the renderer and allocator are initialized in each
backend, do it in wlr_backend_autocreate. This allows compositors to
create backends without any renderer/allocator if they side-step
wlr_backend_autocreate.

Since the wlr_backend_get_renderer and backend_get_allocator end up
calling wlr_renderer_autocreate and wlr_allocator_autocreate, it sounds
like a good idea to centralize all of the opimionated bits in one place.
This commit is contained in:
Simon Ser 2021-09-28 13:00:25 +02:00 • committed by Simon Zeni
parent 20d9448257
commit 3d0848daae
5 changed files with 19 additions and 35 deletions
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10
backend/wayland/backend.c
View file

@ -15,11 +15,9 @@
#include <wlr/interfaces/wlr_output.h>
#include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/wayland.h"
#include "render/drm_format_set.h"
#include "render/pixel_format.h"
#include "render/wlr_renderer.h"
#include "util/signal.h"
#include "drm-client-protocol.h"
@ -444,19 +442,11 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
wl->drm_fd = -1;
}
struct wlr_renderer *renderer = wlr_backend_get_renderer(&wl->backend);
struct wlr_allocator *allocator = backend_get_allocator(&wl->backend);
if (renderer == NULL || allocator == NULL) {
goto error_drm_fd;
}
wl->local_display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &wl->local_display_destroy);
return &wl->backend;
error_drm_fd:
close(wl->drm_fd);
error_remote_display_src:
wl_event_source_remove(wl->remote_display_src);
error_registry: