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tearing-control-v1: synchronize state with surface
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parent
0ea6b6e2cc
commit
1968ada213
2 changed files with 38 additions and 9 deletions
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@ -17,11 +17,12 @@
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#include "tearing-control-v1-protocol.h"
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struct wlr_tearing_control_v1 {
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uint32_t hint;
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struct wl_client *client;
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struct wl_list link;
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struct wl_resource *resource;
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enum wp_tearing_control_v1_presentation_hint current, pending;
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struct {
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struct wl_signal set_hint;
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struct wl_signal destroy;
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@ -29,7 +30,13 @@ struct wlr_tearing_control_v1 {
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struct wlr_surface *surface;
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// private state
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enum wp_tearing_control_v1_presentation_hint previous;
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struct wlr_addon addon;
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struct wlr_surface_synced synced;
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struct wl_listener surface_commit;
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};
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struct wlr_tearing_control_manager_v1 {
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@ -39,6 +39,8 @@ static void destroy_tearing_hint(struct wlr_tearing_control_v1 *hint) {
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wl_resource_set_user_data(hint->resource, NULL);
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wlr_addon_finish(&hint->addon);
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wlr_surface_synced_finish(&hint->synced);
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wl_list_remove(&hint->surface_commit.link);
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free(hint);
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}
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@ -64,21 +66,32 @@ static void destroy_tearing_resource_impl(struct wl_resource *resource) {
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destroy_tearing_hint(hint);
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}
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static void tearing_control_handle_presentation_hint(struct wl_client *client,
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static void tearing_control_handle_set_presentation_hint(struct wl_client *client,
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struct wl_resource *resource, uint32_t hint) {
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struct wlr_tearing_control_v1 *surface_hint =
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tearing_surface_hint_from_resource(resource);
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surface_hint->hint = hint;
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wl_signal_emit_mutable(&surface_hint->events.set_hint, NULL);
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surface_hint->pending = hint;
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}
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static const struct wp_tearing_control_v1_interface tearing_control_impl = {
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.destroy = resource_handle_destroy,
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.set_presentation_hint = tearing_control_handle_presentation_hint
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.set_presentation_hint = tearing_control_handle_set_presentation_hint,
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};
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static const struct wlr_surface_synced_impl surface_synced_impl = {
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.state_size = sizeof(enum wp_tearing_control_v1_presentation_hint),
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};
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static void hint_handle_surface_commit(struct wl_listener *listener, void *data) {
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struct wlr_tearing_control_v1 *hint = wl_container_of(listener, hint, surface_commit);
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if (hint->current != hint->previous) {
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wl_signal_emit_mutable(&hint->events.set_hint, NULL);
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}
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hint->previous = hint->current;
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}
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static void tearing_control_manager_handle_get_tearing_control(
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struct wl_client *client, struct wl_resource *resource, uint32_t id,
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struct wl_resource *surface_resource) {
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@ -98,6 +111,13 @@ static void tearing_control_manager_handle_get_tearing_control(
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return;
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}
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if (!wlr_surface_synced_init(&hint->synced, surface,
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&surface_synced_impl, &hint->pending, &hint->current)) {
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free(hint);
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wl_client_post_no_memory(client);
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return;
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}
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struct wl_resource *created_resource =
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wl_resource_create(client, &wp_tearing_control_v1_interface,
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wl_resource_get_version(resource), id);
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@ -110,7 +130,6 @@ static void tearing_control_manager_handle_get_tearing_control(
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wl_resource_set_implementation(created_resource, &tearing_control_impl,
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hint, destroy_tearing_resource_impl);
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hint->hint = WP_TEARING_CONTROL_V1_PRESENTATION_HINT_VSYNC;
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hint->client = client;
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hint->resource = created_resource;
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hint->surface = surface;
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@ -119,6 +138,9 @@ static void tearing_control_manager_handle_get_tearing_control(
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wl_signal_init(&hint->events.set_hint);
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wl_signal_init(&hint->events.destroy);
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hint->surface_commit.notify = hint_handle_surface_commit;
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wl_signal_add(&surface->events.commit, &hint->surface_commit);
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wl_list_insert(&manager->surface_hints, &hint->link);
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wl_signal_emit_mutable(&manager->events.new_object, hint);
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@ -198,5 +220,5 @@ wlr_tearing_control_manager_v1_surface_hint_from_surface(struct wlr_tearing_cont
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struct wlr_tearing_control_v1 *hint = wl_container_of(addon, hint, addon);
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return hint->hint;
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return hint->current;
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}
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