do not render frames when any surface has uncommitted resizes
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parent
4e9396d9a4
commit
d6a18d69c0
40
dwl.c
40
dwl.c
@ -75,6 +75,7 @@ typedef struct {
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struct wlr_xwayland_surface *xwayland_surface;
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};
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struct wl_listener activate;
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struct wl_listener commit;
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struct wl_listener map;
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struct wl_listener unmap;
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struct wl_listener destroy;
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@ -84,6 +85,7 @@ typedef struct {
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int bw;
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unsigned int tags;
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int isfloating;
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uint32_t resize; /* configure serial of a pending resize */
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} Client;
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typedef struct {
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@ -442,6 +444,16 @@ cleanupmon(struct wl_listener *listener, void *data)
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free(m);
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}
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void
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commitnotify(struct wl_listener *listener, void *data)
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{
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Client *c = wl_container_of(listener, c, commit);
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/* mark a pending resize as completed */
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if (c->resize && c->resize <= c->xdg_surface->configure_serial)
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c->resize = 0;
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}
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void
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createkeyboard(struct wlr_input_device *device)
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{
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@ -553,6 +565,8 @@ createnotify(struct wl_listener *listener, void *data)
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WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
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/* Listen to the various events it can emit */
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c->commit.notify = commitnotify;
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wl_signal_add(&xdg_surface->surface->events.commit, &c->commit);
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c->map.notify = maprequest;
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wl_signal_add(&xdg_surface->events.map, &c->map);
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c->unmap.notify = unmapnotify;
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@ -628,6 +642,8 @@ destroynotify(struct wl_listener *listener, void *data)
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wl_list_remove(&c->map.link);
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wl_list_remove(&c->unmap.link);
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wl_list_remove(&c->destroy.link);
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if (c->type == XDGShell)
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wl_list_remove(&c->commit.link);
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if (c->type == X11Managed)
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wl_list_remove(&c->activate.link);
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free(c);
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@ -1220,6 +1236,8 @@ void
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rendermon(struct wl_listener *listener, void *data)
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{
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struct wlr_output *output = data;
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Client *c;
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int render = 1;
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/* This function is called every time an output is ready to display a frame,
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* generally at the output's refresh rate (e.g. 60Hz). */
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@ -1228,16 +1246,30 @@ rendermon(struct wl_listener *listener, void *data)
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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/* Do not render if any XDG clients have an outstanding resize. */
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wl_list_for_each(c, &stack, slink)
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{
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if (c->resize)
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{
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wlr_surface_send_frame_done(WLR_SURFACE(c), &now);
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render = 0;
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}
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}
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/* wlr_output_attach_render makes the OpenGL context current. */
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if (!wlr_output_attach_render(m->wlr_output, NULL))
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return;
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/* Begin the renderer (calls glViewport and some other GL sanity checks) */
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wlr_renderer_begin(drw, m->wlr_output->width, m->wlr_output->height);
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wlr_renderer_clear(drw, rootcolor);
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renderclients(m, &now);
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renderindependents(output, &now);
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if (render)
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{
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wlr_renderer_clear(drw, rootcolor);
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renderclients(m, &now);
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renderindependents(output, &now);
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}
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/* Hardware cursors are rendered by the GPU on a separate plane, and can be
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* moved around without re-rendering what's beneath them - which is more
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@ -1273,7 +1305,7 @@ resize(Client *c, int x, int y, int w, int h, int interact)
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c->geom.x, c->geom.y,
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c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw);
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else
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wlr_xdg_toplevel_set_size(c->xdg_surface,
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c->resize = wlr_xdg_toplevel_set_size(c->xdg_surface,
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c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw);
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}
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