void
wlc_buffer_release(struct wlc_buffer *buffer)
{
struct wlc_surface *surface;
if ((surface = convert_from_wlc_resource(buffer->surface, "surface"))) {
if (surface->commit.buffer == convert_to_wlc_resource(buffer))
surface->commit.buffer = 0;
if (surface->pending.buffer == convert_to_wlc_resource(buffer))
surface->pending.buffer = 0;
}
struct wl_resource *resource;
if ((resource = convert_to_wl_resource(buffer, "buffer"))) {
wlc_resource_invalidate(convert_to_wlc_resource(buffer));
wl_resource_queue_event(resource, WL_BUFFER_RELEASE);
}
}
wlc_resource
wlc_buffer_use(struct wlc_buffer *buffer)
{
if (!buffer)
return 0;
buffer->references++;
return convert_to_wlc_resource(buffer);
}
void
wlc_view_set_surface(struct wlc_view *view, struct wlc_surface *surface)
{
if (!view || view->surface == convert_to_wlc_resource(surface))
return;
wlc_handle old = view->surface;
view->surface = convert_to_wlc_resource(surface);
wlc_surface_attach_to_view(convert_from_wlc_resource(old, "surface"), NULL);
wlc_surface_attach_to_view(surface, view);
if (surface && surface->commit.attached) {
wlc_view_map(view);
} else {
wlc_view_unmap(view);
}
wlc_dlog(WLC_DBG_RENDER, "-> Linked surface (%" PRIuWLC ") to view (%" PRIuWLC ")", convert_to_wlc_resource(surface), convert_to_wlc_handle(view));
}
void
wlc_buffer_dispose(struct wlc_buffer *buffer)
{
if (!buffer)
return;
if (buffer->references && --buffer->references > 0)
return;
wlc_resource_release(convert_to_wlc_resource(buffer));
}
static bool
surface_attach(struct ctx *context, struct wlc_context *bound, struct wlc_surface *surface, struct wlc_buffer *buffer)
{
assert(context && bound && surface);
struct wl_resource *wl_buffer;
if (!buffer || !(wl_buffer = convert_to_wl_resource(buffer, "buffer"))) {
surface_destroy(context, bound, surface);
return true;
}
EGLint format;
bool attached = false;
struct wl_shm_buffer *shm_buffer = wl_shm_buffer_get(wl_buffer);
if (shm_buffer) {
attached = shm_attach(surface, buffer, shm_buffer);
} else if (wlc_context_query_buffer(bound, (void*)wl_buffer, EGL_TEXTURE_FORMAT, &format)) {
attached = egl_attach(context, bound, surface, buffer, format);
} else {
/* unknown buffer */
wlc_log(WLC_LOG_WARN, "Unknown buffer");
}
if (attached)
wlc_dlog(WLC_DBG_RENDER, "-> Attached surface (%" PRIuWLC ") with buffer of size (%ux%u)", convert_to_wlc_resource(surface), buffer->size.w, buffer->size.h);
return attached;
}
