11 #include <xcb/render.h>
16 void (*screen_paint)(d_screen_t *sc);
17 void (*window_show)(d_window_t *w);
18 void (*window_hide)(d_window_t *w);
19 void (*window_resize)(d_window_t *w);
21 xcb_render_query_pict_formats_reply_t *pict_formats;
22 xcb_render_picture_t overlay_picture;
23 xcb_render_picture_t overlay_buffer;
24 xcb_render_picture_t solid_bg;
28 xcb_render_picture_t picture;
29 gboolean waiting_picture;
30 xcb_void_cookie_t ck_picture;
33 static void render_screen_paint(d_screen_t *sc);
34 static void paint_root(d_screen_t *sc, data_t *d);
35 static void paint_window(d_window_t *window, data_t *d);
36 static void render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
38 static void render_free_picture(d_window_t *w, window_data_t *wd);
39 static xcb_render_pictformat_t find_visual_format(data_t *d,
40 xcb_visualid_t visual);
41 static xcb_render_picture_t solid_picture(d_screen_t *sc,
45 static void render_window_show(d_window_t *window);
46 static void render_window_hide(d_window_t *window);
47 static void render_window_resize(d_window_t *window);
50 render_init(d_screen_t *sc, int id)
52 xcb_render_query_pict_formats_cookie_t ck;
53 xcb_render_pictformat_t format;
58 data_t *d = malloc(sizeof(data_t));
59 d->screen_paint = sc->screen_paint;
60 d->window_show = sc->window_show;
61 d->window_hide = sc->window_hide;
62 d->window_resize = sc->window_resize;
63 screen_add_plugin_data(sc, plugin_id, d);
65 sc->screen_paint = render_screen_paint;
66 sc->window_show = render_window_show;
67 sc->window_hide = render_window_hide;
68 sc->window_resize = render_window_resize;
70 ck = xcb_render_query_pict_formats_unchecked(sc->dpy->conn);
71 d->pict_formats = xcb_render_query_pict_formats_reply(sc->dpy->conn, ck,
74 format = find_visual_format(d, sc->super.root_visual);
76 d->overlay_picture = xcb_generate_id(sc->dpy->conn);
77 xcb_render_create_picture(sc->dpy->conn,
78 d->overlay_picture, sc->overlay, format,
81 /* make the double buffer */
82 px = xcb_generate_id(sc->dpy->conn);
83 xcb_create_pixmap(sc->dpy->conn, sc->super.root_depth, px,
84 sc->super.root, sc->super.width_in_pixels,
85 sc->super.height_in_pixels);
86 d->overlay_buffer = xcb_generate_id(sc->dpy->conn);
87 xcb_render_create_picture(sc->dpy->conn, d->overlay_buffer, px,
89 xcb_free_pixmap(sc->dpy->conn, px);
91 d->solid_bg = solid_picture(sc, 1.0, 0.0, 0.0, 0.0);
95 render_free(d_screen_t *sc)
97 data_t *d = screen_find_plugin_data(sc, plugin_id);
98 free(d->pict_formats);
99 xcb_render_free_picture(sc->dpy->conn, d->solid_bg);
100 xcb_render_free_picture(sc->dpy->conn, d->overlay_picture);
101 xcb_render_free_picture(sc->dpy->conn, d->overlay_buffer);
103 screen_remove_plugin_data(sc, plugin_id);
107 render_window_free(d_window_t *w, window_data_t *wd)
109 render_free_picture(w, wd);
114 render_window_show(d_window_t *w)
119 d = screen_find_plugin_data(w->sc, plugin_id);
124 wd = window_find_plugin_data(w, plugin_id);
126 render_window_free(w, wd);
128 wd = malloc(sizeof(window_data_t));
129 wd->picture = XCB_NONE;
130 wd->waiting_picture = FALSE;
131 window_add_plugin_data(w, plugin_id, wd);
137 render_window_hide(d_window_t *w)
142 d = screen_find_plugin_data(w->sc, plugin_id);
143 wd = window_find_plugin_data(w, plugin_id);
145 render_window_free(w, wd);
146 window_remove_plugin_data(w, plugin_id);
154 xcb_render_picture_t solid_picture(d_screen_t *sc,
158 xcb_render_picture_t picture;
159 xcb_render_color_t c;
161 picture = xcb_generate_id (sc->dpy->conn);
163 c.alpha = a * 0xffff;
164 c.red = a * r * 0xffff;
165 c.green = a * g * 0xffff;
166 c.blue = a * b * 0xffff;
168 xcb_render_create_solid_fill (sc->dpy->conn, picture, c);
172 static xcb_render_pictformat_t
173 find_visual_format(data_t *d, xcb_visualid_t visual)
175 xcb_render_pictscreen_iterator_t si;
176 xcb_render_pictdepth_iterator_t di;
177 xcb_render_pictvisual_iterator_t vi;
179 if (!visual) return XCB_NONE;
181 /* go through all the screens */
182 si = xcb_render_query_pict_formats_screens_iterator(d->pict_formats);
183 for (; si.rem; xcb_render_pictscreen_next(&si)) {
184 di = xcb_render_pictscreen_depths_iterator(si.data);
185 for (; di.rem; xcb_render_pictdepth_next(&di)) {
186 vi = xcb_render_pictdepth_visuals_iterator(di.data);
187 for (; vi.rem; xcb_render_pictvisual_next(&vi)) {
188 if (vi.data->visual == visual)
189 return vi.data->format;
196 static xcb_render_picture_t
197 render_get_picture(d_window_t *w, window_data_t *wd)
199 if (wd->waiting_picture) {
200 xcb_generic_error_t *err;
201 //printf("** checking create picture 0x%x\n", w->id);
202 err = xcb_request_check(w->sc->dpy->conn, wd->ck_picture);
204 wd->picture = XCB_NONE;
205 printf("error creating picture for window 0x%x\n", w->id);
208 wd->waiting_picture = FALSE;
210 //printf("returning picture 0x%x for window 0x%x\n", wd->picture, w->id);
215 render_free_picture(d_window_t *w, window_data_t *wd)
217 xcb_render_picture_t pict;
219 pict = render_get_picture(w, wd);
220 if (pict) xcb_render_free_picture(w->sc->dpy->conn, pict);
221 wd->picture = XCB_NONE;
225 render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
230 px = window_get_pixmap(w);
231 //printf("got pixmap 0x%x\n", px);
233 xcb_render_pictformat_t format;
234 const uint32_t vals = (children ?
235 XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS :
236 XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN);
238 render_free_picture(w, wd);
240 wd->picture = xcb_generate_id(w->sc->dpy->conn);
241 format = find_visual_format(d, window_get_visual(w));
243 xcb_render_create_picture_checked(w->sc->dpy->conn,
244 wd->picture, px, format,
245 XCB_RENDER_CP_SUBWINDOW_MODE,
247 wd->waiting_picture = TRUE;
252 render_window_resize(d_window_t *w)
257 d = screen_find_plugin_data(w->sc, plugin_id);
258 wd = window_find_plugin_data(w, plugin_id);
260 render_free_picture(w, wd);
267 render_screen_paint(d_screen_t *sc)
269 data_t *d = screen_find_plugin_data(sc, plugin_id);
272 //printf("-- painting --\n");
275 for (it = list_bottom(sc->stacking); it; it = it->prev) {
276 d_window_t *w = it->data;
277 if (!window_is_input_only(w) && window_is_mapped(w))
282 /* copy the double buffer to the overlay window */
283 xcb_render_composite(sc->dpy->conn,
284 XCB_RENDER_PICT_OP_SRC,
290 sc->super.width_in_pixels,
291 sc->super.height_in_pixels);
293 /* call the function we replaced in the chain */
298 paint_root(d_screen_t *sc, data_t *d)
300 xcb_render_composite(sc->dpy->conn,
301 XCB_RENDER_PICT_OP_CLEAR,
307 sc->super.width_in_pixels,
308 sc->super.height_in_pixels);
312 paint_window(d_window_t *w, data_t *d)
315 xcb_render_picture_t pict;
316 int x, y, width, height, bwidth;
318 wd = window_find_plugin_data(w, plugin_id);
321 render_update_picture(w, d, wd, TRUE);
322 pict = render_get_picture(w, wd);
324 //printf("-- paint window 0x%x picture 0x%x --\n", w->id, wd->picture);
326 window_get_area(w, &x, &y, &width, &height, &bwidth);
327 xcb_render_composite(w->sc->dpy->conn,
328 //XCB_RENDER_PICT_OP_SRC, /* - for solid */
329 XCB_RENDER_PICT_OP_OVER, /* - for argb */
334 x, y, width + bwidth*2, height + bwidth *2);