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@ -927,6 +927,72 @@ static void render_seatops(struct sway_output *output,
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}
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}
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}
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}
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static void count_surface_iterator(struct sway_output *output,
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struct wlr_surface *surface, struct wlr_box *_box, float rotation,
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void *data) {
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size_t *n = data;
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(*n)++;
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}
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static bool scan_out_fullscreen_view(struct sway_output *output,
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struct sway_view *view) {
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struct wlr_output *wlr_output = output->wlr_output;
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struct sway_workspace *workspace = output->current.active_workspace;
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if (!sway_assert(workspace, "Expected an active workspace")) {
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return false;
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}
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if (view->saved_buffer) {
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return false;
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}
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for (int i = 0; i < workspace->current.floating->length; ++i) {
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struct sway_container *floater =
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workspace->current.floating->items[i];
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if (container_is_transient_for(floater, view->container)) {
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return false;
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}
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}
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#if HAVE_XWAYLAND
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if (!wl_list_empty(&root->xwayland_unmanaged)) {
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return false;
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}
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#endif
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if (!wl_list_empty(&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY])) {
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return false;
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}
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if (!wl_list_empty(&root->drag_icons)) {
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return false;
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}
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struct wlr_surface *surface = view->surface;
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if (surface == NULL) {
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return false;
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}
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size_t n_surfaces = 0;
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output_view_for_each_surface(output, view,
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count_surface_iterator, &n_surfaces);
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if (n_surfaces != 1) {
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return false;
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}
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if (surface->buffer == NULL) {
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return false;
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}
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if ((float)surface->current.scale != wlr_output->scale ||
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surface->current.transform != wlr_output->transform) {
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return false;
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}
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if (!wlr_output_attach_buffer(wlr_output, surface->buffer)) {
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return false;
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}
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return wlr_output_commit(wlr_output);
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}
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void output_render(struct sway_output *output, struct timespec *when,
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void output_render(struct sway_output *output, struct timespec *when,
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pixman_region32_t *damage) {
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pixman_region32_t *damage) {
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struct wlr_output *wlr_output = output->wlr_output;
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struct wlr_output *wlr_output = output->wlr_output;
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@ -943,6 +1009,30 @@ void output_render(struct sway_output *output, struct timespec *when,
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return;
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return;
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}
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}
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struct sway_container *fullscreen_con = root->fullscreen_global;
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if (!fullscreen_con) {
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fullscreen_con = workspace->current.fullscreen;
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}
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if (fullscreen_con && fullscreen_con->view) {
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// Try to scan-out the fullscreen view
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static bool last_scanned_out = false;
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bool scanned_out =
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scan_out_fullscreen_view(output, fullscreen_con->view);
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if (scanned_out && !last_scanned_out) {
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sway_log(SWAY_DEBUG, "Scanning out fullscreen view");
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}
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if (last_scanned_out && !scanned_out) {
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sway_log(SWAY_DEBUG, "Stopping fullscreen view scan out");
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}
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last_scanned_out = scanned_out;
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if (scanned_out) {
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return;
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}
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}
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wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
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wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
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if (!pixman_region32_not_empty(damage)) {
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if (!pixman_region32_not_empty(damage)) {
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@ -962,11 +1052,6 @@ void output_render(struct sway_output *output, struct timespec *when,
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goto render_overlay;
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goto render_overlay;
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}
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}
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struct sway_container *fullscreen_con = root->fullscreen_global;
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if (!fullscreen_con) {
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fullscreen_con = workspace->current.fullscreen;
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}
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if (fullscreen_con) {
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if (fullscreen_con) {
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float clear_color[] = {0.0f, 0.0f, 0.0f, 1.0f};
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float clear_color[] = {0.0f, 0.0f, 0.0f, 1.0f};
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