presentation_feedback: add the sampled state
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c808613287
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020a33e057
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@ -31,9 +31,15 @@ struct wlr_presentation_feedback {
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struct wl_resource *resource;
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struct wl_resource *resource;
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struct wlr_presentation *presentation;
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struct wlr_presentation *presentation;
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struct wlr_surface *surface;
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struct wlr_surface *surface;
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bool committed;
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struct wl_list link; // wlr_presentation::feedbacks
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struct wl_list link; // wlr_presentation::feedbacks
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// The surface contents were committed.
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bool committed;
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// The surface contents were sampled by the compositor and are to be
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// presented on the next flip. Can become true only after committed becomes
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// true.
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bool sampled;
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struct wl_listener surface_commit;
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struct wl_listener surface_commit;
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struct wl_listener surface_destroy;
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struct wl_listener surface_destroy;
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};
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};
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@ -55,5 +61,7 @@ void wlr_presentation_destroy(struct wlr_presentation *presentation);
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void wlr_presentation_send_surface_presented(
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void wlr_presentation_send_surface_presented(
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struct wlr_presentation *presentation, struct wlr_surface *surface,
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struct wlr_presentation *presentation, struct wlr_surface *surface,
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struct wlr_presentation_event *event);
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struct wlr_presentation_event *event);
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void wlr_presentation_surface_sampled(
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struct wlr_presentation *presentation, struct wlr_surface *surface);
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#endif
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#endif
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@ -61,8 +61,10 @@ static void feedback_handle_surface_commit(struct wl_listener *listener,
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wl_container_of(listener, feedback, surface_commit);
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wl_container_of(listener, feedback, surface_commit);
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if (feedback->committed) {
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if (feedback->committed) {
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if (!feedback->sampled) {
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// The content update has been superseded
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// The content update has been superseded
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feedback_send_discarded(feedback);
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feedback_send_discarded(feedback);
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}
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} else {
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} else {
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feedback->committed = true;
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feedback->committed = true;
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}
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}
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@ -216,8 +218,20 @@ void wlr_presentation_send_surface_presented(
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struct wlr_presentation_feedback *feedback, *feedback_tmp;
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struct wlr_presentation_feedback *feedback, *feedback_tmp;
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wl_list_for_each_safe(feedback, feedback_tmp,
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wl_list_for_each_safe(feedback, feedback_tmp,
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&presentation->feedbacks, link) {
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&presentation->feedbacks, link) {
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if (feedback->surface == surface && feedback->committed) {
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if (feedback->surface == surface && feedback->sampled) {
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feedback_send_presented(feedback, event);
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feedback_send_presented(feedback, event);
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}
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}
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}
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}
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}
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}
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void wlr_presentation_surface_sampled(
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struct wlr_presentation *presentation, struct wlr_surface *surface) {
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// TODO: maybe use a hashtable to optimize this function
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struct wlr_presentation_feedback *feedback, *feedback_tmp;
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wl_list_for_each_safe(feedback, feedback_tmp,
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&presentation->feedbacks, link) {
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if (feedback->surface == surface && feedback->committed) {
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feedback->sampled = true;
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}
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}
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}
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