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buffer: make wl_shm a buffer resource impl

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This commit is contained in:
Simon Ser 2021-07-22 19:24:36 +02:00
parent 323b8498ad
commit 90031f3e50
1 changed files with 24 additions and 9 deletions
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33
types/wlr_buffer.c
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@ -160,6 +160,25 @@ static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer);
static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer(
struct wlr_buffer *buffer);
static bool shm_resource_is_instance(struct wl_resource *resource) {
return wl_shm_buffer_get(resource) != NULL;
}
static struct wlr_buffer *shm_resource_from_resource(struct wl_resource *resource) {
struct wlr_shm_client_buffer *shm_client_buffer =
shm_client_buffer_get_or_create(resource);
if (shm_client_buffer == NULL) {
wlr_log(WLR_ERROR, "Failed to create shm client buffer");
return NULL;
}
return &shm_client_buffer->base;
}
static const struct wlr_buffer_resource_interface shm_resource_impl = {
.is_instance = shm_resource_is_instance,
.from_resource = shm_resource_from_resource,
};
/* struct wlr_buffer_resource_interface */
static struct wl_array buffer_resource_interfaces = {0};
@ -184,6 +203,10 @@ void wlr_buffer_register_resource_interface(
static const struct wlr_buffer_resource_interface *get_buffer_resource_iface(
struct wl_resource *resource) {
if (shm_resource_impl.is_instance(resource)) {
return &shm_resource_impl;
}
struct wlr_buffer_resource_interface **iface_ptr;
wl_array_for_each(iface_ptr, &buffer_resource_interfaces) {
if ((*iface_ptr)->is_instance(resource)) {
@ -198,15 +221,7 @@ struct wlr_buffer *wlr_buffer_from_resource(struct wl_resource *resource) {
assert(resource && wlr_resource_is_buffer(resource));
struct wlr_buffer *buffer;
if (wl_shm_buffer_get(resource) != NULL) {
struct wlr_shm_client_buffer *shm_client_buffer =
shm_client_buffer_get_or_create(resource);
if (shm_client_buffer == NULL) {
wlr_log(WLR_ERROR, "Failed to create shm client buffer");
return NULL;
}
buffer = wlr_buffer_lock(&shm_client_buffer->base);
} else if (wlr_dmabuf_v1_resource_is_buffer(resource)) {
if (wlr_dmabuf_v1_resource_is_buffer(resource)) {
struct wlr_dmabuf_v1_buffer *dmabuf =
wlr_dmabuf_v1_buffer_from_buffer_resource(resource);
buffer = wlr_buffer_lock(&dmabuf->base);