8 #include <xcb/render.h>
13 void (*screen_paint)(d_screen_t *sc);
14 void (*window_show)(d_window_t *w);
15 void (*window_hide)(d_window_t *w);
16 void (*window_resize)(d_window_t *w);
18 xcb_render_query_pict_formats_reply_t *pict_formats;
19 xcb_render_picture_t overlay_picture;
20 xcb_render_picture_t overlay_buffer;
21 xcb_render_picture_t solid_bg;
25 xcb_render_picture_t picture;
26 xcb_void_cookie_t ck_picture;
29 static void render_screen_paint(d_screen_t *sc);
30 static void paint_root(d_screen_t *sc, data_t *d);
31 static void paint_window(d_window_t *window, data_t *d);
32 static void render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
34 static void render_free_picture(d_window_t *w, window_data_t *wd);
35 static xcb_render_pictformat_t find_visual_format(data_t *d,
36 xcb_visualid_t visual);
37 static xcb_render_picture_t solid_picture(d_screen_t *sc,
41 static void render_window_show(d_window_t *window);
42 static void render_window_hide(d_window_t *window);
43 static void render_window_resize(d_window_t *window);
46 render_init(d_screen_t *sc, int id)
48 xcb_render_query_pict_formats_cookie_t ck;
49 xcb_render_pictformat_t format;
54 data_t *d = malloc(sizeof(data_t));
55 d->screen_paint = sc->screen_paint;
56 d->window_show = sc->window_show;
57 d->window_hide = sc->window_hide;
58 d->window_resize = sc->window_resize;
59 screen_add_plugin_data(sc, plugin_id, d);
61 sc->screen_paint = render_screen_paint;
62 sc->window_show = render_window_show;
63 sc->window_hide = render_window_hide;
64 sc->window_resize = render_window_resize;
66 ck = xcb_render_query_pict_formats_unchecked(sc->dpy->conn);
67 d->pict_formats = xcb_render_query_pict_formats_reply(sc->dpy->conn, ck,
70 format = find_visual_format(d, sc->super.root_visual);
72 d->overlay_picture = xcb_generate_id(sc->dpy->conn);
73 xcb_render_create_picture(sc->dpy->conn,
74 d->overlay_picture, sc->overlay, format,
77 /* make the double buffer */
78 px = xcb_generate_id(sc->dpy->conn);
79 xcb_create_pixmap(sc->dpy->conn, sc->super.root_depth, px,
80 sc->super.root, sc->super.width_in_pixels,
81 sc->super.height_in_pixels);
82 d->overlay_buffer = xcb_generate_id(sc->dpy->conn);
83 xcb_render_create_picture(sc->dpy->conn, d->overlay_buffer, px,
85 xcb_free_pixmap(sc->dpy->conn, px);
87 d->solid_bg = solid_picture(sc, 1.0, 0.0, 0.0, 0.0);
91 render_free(d_screen_t *sc)
93 data_t *d = screen_find_plugin_data(sc, plugin_id);
94 free(d->pict_formats);
95 xcb_render_free_picture(sc->dpy->conn, d->solid_bg);
96 xcb_render_free_picture(sc->dpy->conn, d->overlay_picture);
97 xcb_render_free_picture(sc->dpy->conn, d->overlay_buffer);
102 render_window_free(d_window_t *w, window_data_t *wd)
104 render_free_picture(w, wd);
109 render_window_show(d_window_t *w)
114 d = screen_find_plugin_data(w->sc, plugin_id);
119 wd = window_find_plugin_data(w, plugin_id);
121 render_window_free(w, wd);
123 wd = malloc(sizeof(window_data_t));
124 wd->picture = XCB_NONE;
125 wd->ck_picture.sequence = 0;
126 window_add_plugin_data(w, plugin_id, wd);
132 render_window_hide(d_window_t *w)
137 d = screen_find_plugin_data(w->sc, plugin_id);
138 wd = window_find_plugin_data(w, plugin_id);
140 render_window_free(w, wd);
141 window_remove_plugin_data(w, plugin_id);
151 xcb_render_picture_t solid_picture(d_screen_t *sc,
155 xcb_render_picture_t picture;
156 xcb_render_color_t c;
158 picture = xcb_generate_id (sc->dpy->conn);
160 c.alpha = a * 0xffff;
161 c.red = a * r * 0xffff;
162 c.green = a * g * 0xffff;
163 c.blue = a * b * 0xffff;
165 xcb_render_create_solid_fill (sc->dpy->conn, picture, c);
169 static xcb_render_pictformat_t
170 find_visual_format(data_t *d, xcb_visualid_t visual)
172 xcb_render_pictscreen_iterator_t si;
173 xcb_render_pictdepth_iterator_t di;
174 xcb_render_pictvisual_iterator_t vi;
176 if (!visual) return XCB_NONE;
178 /* go through all the screens */
179 si = xcb_render_query_pict_formats_screens_iterator(d->pict_formats);
180 for (; si.rem; xcb_render_pictscreen_next(&si)) {
181 di = xcb_render_pictscreen_depths_iterator(si.data);
182 for (; di.rem; xcb_render_pictdepth_next(&di)) {
183 vi = xcb_render_pictdepth_visuals_iterator(di.data);
184 for (; vi.rem; xcb_render_pictvisual_next(&vi)) {
185 if (vi.data->visual == visual)
186 return vi.data->format;
193 static xcb_render_picture_t
194 render_get_picture(d_window_t *w, window_data_t *wd)
196 if (wd->ck_picture.sequence) {
197 xcb_generic_error_t *err;
198 //printf("** checking create picture 0x%x\n", w->id);
199 err = xcb_request_check(w->sc->dpy->conn, wd->ck_picture);
201 wd->picture = XCB_NONE;
202 printf("error creating picture for window 0x%x\n", w->id);
205 wd->ck_picture.sequence = 0;
207 //printf("returning picture 0x%x for window 0x%x\n", wd->picture, w->id);
212 render_free_picture(d_window_t *w, window_data_t *wd)
214 xcb_render_picture_t pict;
216 pict = render_get_picture(w, wd);
217 if (pict) xcb_render_free_picture(w->sc->dpy->conn, pict);
218 wd->picture = XCB_NONE;
222 render_update_picture(d_window_t *w, data_t *d, window_data_t *wd,
227 px = window_get_pixmap(w);
228 //printf("got pixmap 0x%x\n", px);
230 xcb_render_pictformat_t format;
231 const uint32_t vals = (children ?
232 XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS :
233 XCB_SUBWINDOW_MODE_CLIP_BY_CHILDREN);
235 render_free_picture(w, wd);
237 wd->picture = xcb_generate_id(w->sc->dpy->conn);
238 format = find_visual_format(d, window_get_visual(w));
240 xcb_render_create_picture_checked(w->sc->dpy->conn,
241 wd->picture, px, format,
242 XCB_RENDER_CP_SUBWINDOW_MODE,
248 render_window_resize(d_window_t *w)
253 d = screen_find_plugin_data(w->sc, plugin_id);
254 wd = window_find_plugin_data(w, plugin_id);
255 render_free_picture(w, wd);
262 render_screen_paint(d_screen_t *sc)
264 data_t *d = screen_find_plugin_data(sc, plugin_id);
267 //printf("-- painting --\n");
270 for (it = list_bottom(sc->stacking); it; it = it->prev) {
271 d_window_t *w = it->data;
272 if (!window_is_input_only(w) && window_is_mapped(w))
277 /* copy the double buffer to the overlay window */
278 xcb_render_composite(sc->dpy->conn,
279 XCB_RENDER_PICT_OP_SRC,
285 sc->super.width_in_pixels,
286 sc->super.height_in_pixels);
288 /* call the function we replaced in the chain */
293 paint_root(d_screen_t *sc, data_t *d)
295 xcb_render_composite(sc->dpy->conn,
296 XCB_RENDER_PICT_OP_CLEAR,
302 sc->super.width_in_pixels,
303 sc->super.height_in_pixels);
307 paint_window(d_window_t *w, data_t *d)
310 xcb_render_picture_t pict;
311 int x, y, width, height, bwidth;
313 wd = window_find_plugin_data(w, plugin_id);
316 render_update_picture(w, d, wd, TRUE);
317 pict = render_get_picture(w, wd);
319 //printf("-- paint window 0x%x picture 0x%x --\n", w->id, wd->picture);
320 window_get_area(w, &x, &y, &width, &height, &bwidth);
321 xcb_render_composite(w->sc->dpy->conn,
322 //XCB_RENDER_PICT_OP_SRC, /* - for solid */
323 XCB_RENDER_PICT_OP_OVER, /* - for argb */
328 x, y, width + bwidth*2, height + bwidth *2);