diff options
Diffstat (limited to 'libweston/linux-explicit-synchronization.c')
| -rw-r--r-- | libweston/linux-explicit-synchronization.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libweston/linux-explicit-synchronization.c b/libweston/linux-explicit-synchronization.c index f577a189..99e30a1f 100644 --- a/libweston/linux-explicit-synchronization.c +++ b/libweston/linux-explicit-synchronization.c @@ -35,6 +35,16 @@ #include "shared/fd-util.h" static void +destroy_linux_buffer_release(struct wl_resource *resource) +{ + struct weston_buffer_release *buffer_release = + wl_resource_get_user_data(resource); + + fd_clear(&buffer_release->fence_fd); + free(buffer_release); +} + +static void destroy_linux_surface_synchronization(struct wl_resource *resource) { struct weston_surface *surface = @@ -97,7 +107,53 @@ linux_surface_synchronization_get_release(struct wl_client *client, struct wl_resource *resource, uint32_t id) { + struct weston_surface *surface = + wl_resource_get_user_data(resource); + struct weston_buffer_release *buffer_release; + + if (!surface) { + wl_resource_post_error( + resource, + ZWP_LINUX_SURFACE_SYNCHRONIZATION_V1_ERROR_NO_SURFACE, + "surface no longer exists"); + return; + } + + if (surface->pending.buffer_release_ref.buffer_release) { + wl_resource_post_error( + resource, + ZWP_LINUX_SURFACE_SYNCHRONIZATION_V1_ERROR_DUPLICATE_RELEASE, + "already has a buffer release"); + return; + } + + buffer_release = zalloc(sizeof *buffer_release); + if (buffer_release == NULL) + goto err_alloc; + + buffer_release->fence_fd = -1; + buffer_release->resource = + wl_resource_create(client, + &zwp_linux_buffer_release_v1_interface, + wl_resource_get_version(resource), id); + if (!buffer_release->resource) + goto err_create; + + wl_resource_set_implementation(buffer_release->resource, NULL, + buffer_release, + destroy_linux_buffer_release); + + weston_buffer_release_reference(&surface->pending.buffer_release_ref, + buffer_release); + + return; + +err_create: + free(buffer_release); + +err_alloc: wl_client_post_no_memory(client); + } const struct zwp_linux_surface_synchronization_v1_interface |