diff options
| -rw-r--r-- | sway/desktop/render.c | 95 |
1 files changed, 90 insertions, 5 deletions
diff --git a/sway/desktop/render.c b/sway/desktop/render.c index 7d620bd4..5cec5949 100644 --- a/sway/desktop/render.c +++ b/sway/desktop/render.c @@ -927,6 +927,72 @@ static void render_seatops(struct sway_output *output, } } +static void count_surface_iterator(struct sway_output *output, + struct wlr_surface *surface, struct wlr_box *_box, float rotation, + void *data) { + size_t *n = data; + (*n)++; +} + +static bool scan_out_fullscreen_view(struct sway_output *output, + struct sway_view *view) { + struct wlr_output *wlr_output = output->wlr_output; + struct sway_workspace *workspace = output->current.active_workspace; + if (!sway_assert(workspace, "Expected an active workspace")) { + return false; + } + + if (view->saved_buffer) { + return false; + } + + for (int i = 0; i < workspace->current.floating->length; ++i) { + struct sway_container *floater = + workspace->current.floating->items[i]; + if (container_is_transient_for(floater, view->container)) { + return false; + } + } + +#if HAVE_XWAYLAND + if (!wl_list_empty(&root->xwayland_unmanaged)) { + return false; + } +#endif + + if (!wl_list_empty(&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY])) { + return false; + } + if (!wl_list_empty(&root->drag_icons)) { + return false; + } + + struct wlr_surface *surface = view->surface; + if (surface == NULL) { + return false; + } + size_t n_surfaces = 0; + output_view_for_each_surface(output, view, + count_surface_iterator, &n_surfaces); + if (n_surfaces != 1) { + return false; + } + + if (surface->buffer == NULL) { + return false; + } + + if ((float)surface->current.scale != wlr_output->scale || + surface->current.transform != wlr_output->transform) { + return false; + } + + if (!wlr_output_attach_buffer(wlr_output, surface->buffer)) { + return false; + } + return wlr_output_commit(wlr_output); +} + void output_render(struct sway_output *output, struct timespec *when, pixman_region32_t *damage) { struct wlr_output *wlr_output = output->wlr_output; @@ -943,6 +1009,30 @@ void output_render(struct sway_output *output, struct timespec *when, return; } + struct sway_container *fullscreen_con = root->fullscreen_global; + if (!fullscreen_con) { + fullscreen_con = workspace->current.fullscreen; + } + + if (fullscreen_con && fullscreen_con->view) { + // Try to scan-out the fullscreen view + static bool last_scanned_out = false; + bool scanned_out = + scan_out_fullscreen_view(output, fullscreen_con->view); + + if (scanned_out && !last_scanned_out) { + sway_log(SWAY_DEBUG, "Scanning out fullscreen view"); + } + if (last_scanned_out && !scanned_out) { + sway_log(SWAY_DEBUG, "Stopping fullscreen view scan out"); + } + last_scanned_out = scanned_out; + + if (scanned_out) { + return; + } + } + wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height); if (!pixman_region32_not_empty(damage)) { @@ -962,11 +1052,6 @@ void output_render(struct sway_output *output, struct timespec *when, goto render_overlay; } - struct sway_container *fullscreen_con = root->fullscreen_global; - if (!fullscreen_con) { - fullscreen_con = workspace->current.fullscreen; - } - if (fullscreen_con) { float clear_color[] = {0.0f, 0.0f, 0.0f, 1.0f}; |