11 #include <xcb/render.h>
15 /* if defined, it will not use double buffering */
16 #undef MONITOR_REPAINT
19 void (*screen_paint)(d_screen_t *sc);
20 void (*screen_root_pixmap_change)(d_screen_t *sc);
21 void (*window_show)(d_window_t *w);
22 void (*window_zombie_dead)(d_window_t *w);
23 void (*window_move)(d_window_t *w);
24 void (*window_resize)(d_window_t *w);
25 void (*window_reshape)(d_window_t *w);
26 void (*window_restack)(d_window_t *w, d_window_t *above);
27 void (*window_opacity_change)(d_window_t *w);
28 void (*window_damage)(d_window_t *w);
30 xcb_render_pictformat_t root_format;
31 xcb_render_pictformat_t argb32_format;
32 xcb_render_query_pict_formats_reply_t *pict_formats;
33 xcb_render_picture_t overlay_picture;
34 xcb_render_picture_t overlay_buffer;
35 xcb_render_picture_t root_picture;
36 xcb_render_picture_t solid_bg;
38 xcb_xfixes_region_t all_region;
39 xcb_xfixes_region_t damaged_region;
40 xcb_xfixes_region_t paint_region;
41 xcb_xfixes_region_t shadow_paint_region;
49 xcb_render_picture_t picture;
50 xcb_render_picture_t alpha_picture;
51 xcb_render_picture_t shadow_picture;
52 xcb_xfixes_region_t paint_clip;
53 xcb_xfixes_region_t shadow_region;
54 gboolean shadow_valid;
57 static void render_paint(d_screen_t *sc);
58 static void render_root_pixmap_change(d_screen_t *sc);
59 static void paint_root(d_screen_t *sc, data_t *d);
60 static void paint_window(d_window_t *window, data_t *d, window_data_t *wd,
61 gboolean opaque, int x, int y, int width,
62 int height, int bwidth);
63 static void paint_shadow(d_window_t *w, data_t *d, window_data_t *wd,
64 int x, int y, int width, int height, int bwidth);
65 static void render_update_picture(d_window_t *w, data_t *d, window_data_t *wd);
66 static void render_update_root_picture(d_screen_t *sc, data_t *d);
67 static void render_free_picture(d_window_t *w, window_data_t *wd);
68 static void render_redraw_window(d_window_t *w, data_t *d,
69 gboolean shadow, window_data_t *wd);
70 static xcb_render_pictformat_t find_visual_format(data_t *d,
71 xcb_visualid_t visual);
72 static xcb_render_pictformat_t find_argb32_format(data_t *d);
73 static xcb_render_picture_t solid_picture(data_t *d, d_screen_t *sc,
74 uint16_t a, uint16_t r,
75 uint16_t g, uint16_t b);
76 static void render_update_opacity(d_window_t *w, data_t *d, window_data_t *wd);
77 static void render_update_shadow(d_window_t *w, data_t *d, window_data_t *wd);
79 static void render_window_show(d_window_t *window);
80 static void render_window_zombie_dead(d_window_t *window);
81 static void render_window_move(d_window_t *window);
82 static void render_window_resize(d_window_t *window);
83 static void render_window_reshape(d_window_t *window);
84 static void render_window_restack(d_window_t *window, d_window_t *above);
85 static void render_window_opacity_change(d_window_t *w);
86 static void render_window_damage(d_window_t *w);
89 render_init(d_screen_t *sc, int id)
91 xcb_render_query_pict_formats_cookie_t ck;
97 data_t *d = malloc(sizeof(data_t));
98 d->screen_paint = sc->screen_paint;
99 d->screen_root_pixmap_change = sc->screen_root_pixmap_change;
100 d->window_show = sc->window_show;
101 d->window_zombie_dead = sc->window_zombie_dead;
102 d->window_move = sc->window_move;
103 d->window_resize = sc->window_resize;
104 d->window_reshape = sc->window_reshape;
105 d->window_restack = sc->window_restack;
106 d->window_opacity_change = sc->window_opacity_change;
107 d->window_damage = sc->window_damage;
108 screen_add_plugin_data(sc, plugin_id, d);
110 sc->screen_paint = render_paint;
111 sc->screen_root_pixmap_change = render_root_pixmap_change;
112 sc->window_show = render_window_show;
113 sc->window_zombie_dead = render_window_zombie_dead;
114 sc->window_move = render_window_move;
115 sc->window_resize = render_window_resize;
116 sc->window_reshape = render_window_reshape;
117 sc->window_restack = render_window_restack;
118 sc->window_opacity_change = render_window_opacity_change;
119 sc->window_damage = render_window_damage;
121 d->shadowalpha = 0x3333; /* 20% */
125 ck = xcb_render_query_pict_formats_unchecked(sc->dpy->conn);
126 d->pict_formats = xcb_render_query_pict_formats_reply(sc->dpy->conn, ck,
129 d->root_format = find_visual_format(d, sc->super->root_visual);
130 d->argb32_format = find_argb32_format(d);
131 d->root_picture = XCB_NONE;
133 d->solid_bg = solid_picture(d, sc, 0xffff, 0x6060, 02020, 0x3030);
135 d->overlay_picture = xcb_generate_id(sc->dpy->conn);
136 xcb_render_create_picture(sc->dpy->conn,
137 d->overlay_picture, sc->overlay, d->root_format,
140 /* make the double buffer */
141 px = xcb_generate_id(sc->dpy->conn);
142 xcb_create_pixmap(sc->dpy->conn, sc->super->root_depth, px,
143 sc->super->root, sc->super->width_in_pixels,
144 sc->super->height_in_pixels);
145 d->overlay_buffer = xcb_generate_id(sc->dpy->conn);
146 #ifdef MONITOR_REPAINT
147 xcb_render_create_picture(sc->dpy->conn,
148 d->overlay_buffer, sc->overlay, d->root_format,
151 xcb_render_create_picture(sc->dpy->conn, d->overlay_buffer, px,
152 d->root_format, 0, 0);
154 xcb_free_pixmap(sc->dpy->conn, px);
156 d->all_region = xcb_generate_id(sc->dpy->conn);
157 d->damaged_region = xcb_generate_id(sc->dpy->conn);
158 d->paint_region = xcb_generate_id(sc->dpy->conn);
159 d->shadow_paint_region = xcb_generate_id(sc->dpy->conn);
161 rect.width = sc->super->width_in_pixels;
162 rect.height = sc->super->height_in_pixels;
163 xcb_xfixes_create_region(sc->dpy->conn, d->all_region, 1, &rect);
164 xcb_xfixes_create_region(sc->dpy->conn, d->damaged_region, 1, &rect);
165 xcb_xfixes_create_region(sc->dpy->conn, d->paint_region, 1, &rect);
166 xcb_xfixes_create_region(sc->dpy->conn, d->shadow_paint_region, 1, &rect);
170 render_free(d_screen_t *sc)
172 data_t *d = screen_find_plugin_data(sc, plugin_id);
174 free(d->pict_formats);
175 xcb_render_free_picture(sc->dpy->conn, d->solid_bg);
177 xcb_render_free_picture(sc->dpy->conn, d->root_picture);
178 xcb_render_free_picture(sc->dpy->conn, d->overlay_picture);
179 xcb_render_free_picture(sc->dpy->conn, d->overlay_buffer);
180 xcb_xfixes_destroy_region(sc->dpy->conn, d->all_region);
181 xcb_xfixes_destroy_region(sc->dpy->conn, d->damaged_region);
182 xcb_xfixes_destroy_region(sc->dpy->conn, d->paint_region);
183 xcb_xfixes_destroy_region(sc->dpy->conn, d->shadow_paint_region);
186 screen_remove_plugin_data(sc, plugin_id);
190 render_next_timeout(struct d_screen *sc, struct timeval *tv)
198 render_timeout(struct d_screen *sc, const struct timeval *now)
204 render_window_free(d_window_t *w, window_data_t *wd)
206 render_free_picture(w, wd);
207 xcb_render_free_picture(w->sc->dpy->conn, wd->alpha_picture);
208 xcb_render_free_picture(w->sc->dpy->conn, wd->shadow_picture);
209 xcb_xfixes_destroy_region(w->sc->dpy->conn, wd->paint_clip);
210 xcb_xfixes_destroy_region(w->sc->dpy->conn, wd->shadow_region);
215 render_window_show(d_window_t *w)
219 xcb_rectangle_t rect;
221 d = screen_find_plugin_data(w->sc, plugin_id);
226 wd = window_find_plugin_data(w, plugin_id);
228 render_window_free(w, wd);
229 window_add_plugin_data(w, plugin_id, wd);
232 wd = malloc(sizeof(window_data_t));
233 wd->picture = XCB_NONE;
235 wd->paint_clip = xcb_generate_id(w->sc->dpy->conn);
236 wd->shadow_region = xcb_generate_id(w->sc->dpy->conn);
237 rect.x = rect.y = -1;
238 rect.width = rect.height = 1;
239 xcb_xfixes_create_region(w->sc->dpy->conn, wd->paint_clip, 1, &rect);
240 xcb_xfixes_create_region(w->sc->dpy->conn, wd->shadow_region, 1, &rect);
242 wd->shadow_valid = FALSE;
244 wd->alpha_picture = solid_picture(d, w->sc, 0, 0, 0, 0);
245 wd->shadow_picture = solid_picture(d, w->sc, 0, 0, 0, 0);
247 render_update_opacity(w, d, wd);
249 window_add_plugin_data(w, plugin_id, wd);
253 render_update_opacity(d_window_t *w, data_t *d, window_data_t *wd)
255 static xcb_render_color_t c = { 0, 0, 0, 0 };
256 static xcb_rectangle_t rect = {0, 0, 1, 1};
259 /* make the window's shadow and alpha-map match its current opacity */
260 c.alpha = window_get_opacity(w);
261 xcb_render_fill_rectangles(w->sc->dpy->conn,
262 XCB_RENDER_PICT_OP_SRC,
263 wd->alpha_picture, c, 1, &rect);
265 a = a * window_get_opacity(w) / 0xffff;
267 xcb_render_fill_rectangles(w->sc->dpy->conn,
268 XCB_RENDER_PICT_OP_SRC,
269 wd->shadow_picture, c, 1, &rect);
273 render_window_zombie_dead(d_window_t *w)
278 d = screen_find_plugin_data(w->sc, plugin_id);
279 wd = window_find_plugin_data(w, plugin_id);
281 /* redraw the window and its shadow */
282 render_redraw_window(w, d, TRUE, wd);
284 render_window_free(w, wd);
285 window_remove_plugin_data(w, plugin_id);
289 d->window_zombie_dead(w);
292 static xcb_render_picture_t
293 solid_picture(data_t *d, d_screen_t *sc, uint16_t a, uint16_t r,
294 uint16_t g, uint16_t b)
297 xcb_render_picture_t picture;
298 xcb_render_color_t c;
299 const uint32_t vals = XCB_RENDER_REPEAT_NORMAL;
300 const xcb_rectangle_t rect = { 0, 0, 1, 1 };
302 pixmap = xcb_generate_id(sc->dpy->conn);
303 picture = xcb_generate_id(sc->dpy->conn);
305 xcb_create_pixmap(sc->dpy->conn, 32, pixmap, sc->super->root, 1, 1);
306 xcb_render_create_picture(sc->dpy->conn, picture, pixmap, d->argb32_format,
307 XCB_RENDER_CP_REPEAT, &vals);
314 xcb_render_fill_rectangles(sc->dpy->conn, XCB_RENDER_PICT_OP_SRC,
315 picture, c, 1, &rect);
316 xcb_free_pixmap(sc->dpy->conn, pixmap);
321 static xcb_render_pictformat_t
322 find_argb32_format(data_t *d)
324 xcb_render_pictforminfo_iterator_t it;
326 for (it = xcb_render_query_pict_formats_formats_iterator(d->pict_formats);
327 it.rem; xcb_render_pictforminfo_next(&it))
329 xcb_render_pictforminfo_t *format = it.data;
330 if (format->type == XCB_RENDER_PICT_TYPE_DIRECT) {
331 if (format->depth == 32 &&
332 format->direct.alpha_mask == 0xff &&
333 format->direct.red_mask == 0xff &&
334 format->direct.green_mask == 0xff &&
335 format->direct.blue_mask == 0xff &&
336 format->direct.alpha_shift == 24 &&
337 format->direct.red_shift == 16 &&
338 format->direct.green_shift == 8 &&
339 format->direct.blue_shift == 0)
346 static xcb_render_pictformat_t
347 find_visual_format(data_t *d, xcb_visualid_t visual)
349 xcb_render_pictscreen_iterator_t si;
350 xcb_render_pictdepth_iterator_t di;
351 xcb_render_pictvisual_iterator_t vi;
353 if (!visual) return XCB_NONE;
355 /* go through all the screens */
356 si = xcb_render_query_pict_formats_screens_iterator(d->pict_formats);
357 for (; si.rem; xcb_render_pictscreen_next(&si)) {
358 di = xcb_render_pictscreen_depths_iterator(si.data);
359 for (; di.rem; xcb_render_pictdepth_next(&di)) {
360 vi = xcb_render_pictdepth_visuals_iterator(di.data);
361 for (; vi.rem; xcb_render_pictvisual_next(&vi)) {
362 if (vi.data->visual == visual)
363 return vi.data->format;
371 render_free_picture(d_window_t *w, window_data_t *wd)
373 /* this might cause an error, oh well */
375 xcb_render_free_picture(w->sc->dpy->conn, wd->picture);
376 wd->picture = XCB_NONE;
381 render_update_root_picture(d_screen_t *sc, data_t *d)
385 px = screen_get_root_pixmap(sc);
387 d->root_picture = xcb_generate_id(sc->dpy->conn);
388 xcb_render_create_picture(sc->dpy->conn,
390 d->root_format, 0, NULL);
395 render_update_picture(d_window_t *w, data_t *d, window_data_t *wd)
399 px = window_get_pixmap(w);
400 //printf("got pixmap 0x%x\n", px);
402 xcb_render_pictformat_t format;
403 const uint32_t vals = XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS;
405 render_free_picture(w, wd);
407 wd->picture = xcb_generate_id(w->sc->dpy->conn);
408 format = find_visual_format(d, window_get_visual(w));
409 /* we don't need to check this. if it fails, we'll just be drawing
410 an invalid picture and creating some X errors but that's no big
412 xcb_render_create_picture(w->sc->dpy->conn,
413 wd->picture, px, format,
414 XCB_RENDER_CP_SUBWINDOW_MODE,
420 render_window_move(d_window_t *w)
425 d = screen_find_plugin_data(w->sc, plugin_id);
426 wd = window_find_plugin_data(w, plugin_id);
431 /* redraw the screen */
432 xcb_xfixes_copy_region(w->sc->dpy->conn, d->all_region, d->damaged_region);
433 /* reget the shadow's shape */
434 wd->shadow_valid = FALSE;
438 render_window_resize(d_window_t *w)
443 d = screen_find_plugin_data(w->sc, plugin_id);
444 wd = window_find_plugin_data(w, plugin_id);
450 render_free_picture(w, wd);
452 /* redraw the screen */
453 xcb_xfixes_copy_region(w->sc->dpy->conn, d->all_region, d->damaged_region);
454 /* reget the shadow's shape */
455 wd->shadow_valid = FALSE;
459 render_window_reshape(d_window_t *w)
464 d = screen_find_plugin_data(w->sc, plugin_id);
465 wd = window_find_plugin_data(w, plugin_id);
468 d->window_reshape(w);
471 //render_free_picture(w, wd);
473 /* redraw the screen */
474 xcb_xfixes_copy_region(w->sc->dpy->conn, d->all_region, d->damaged_region);
475 /* reget the shadow's shape */
476 wd->shadow_valid = FALSE;
480 render_window_restack(d_window_t *w, d_window_t *above)
485 d = screen_find_plugin_data(w->sc, plugin_id);
486 wd = window_find_plugin_data(w, plugin_id);
489 d->window_restack(w, above);
491 /* the window might not be visible */
492 if (wd == NULL) return;
494 /* redraw the window and its shadow */
495 render_redraw_window(w, d, TRUE, wd);
498 /* wd is only needed if redrawing the shadow */
500 render_redraw_window(d_window_t *w, data_t *d,
501 gboolean shadow, window_data_t *wd)
503 xcb_xfixes_region_t region = window_get_region(w);
506 /* redraw the window's contents, and its shadow as well */
507 xcb_xfixes_union_region(w->sc->dpy->conn, d->damaged_region,
508 region, d->damaged_region);
511 /* make sure the shadow region is right */
512 render_update_shadow(w, d, wd);
513 xcb_xfixes_union_region(w->sc->dpy->conn, d->damaged_region,
514 wd->shadow_region, d->damaged_region);
518 /* redraw the screen */
519 xcb_xfixes_copy_region(w->sc->dpy->conn, d->all_region,
525 render_update_shadow(d_window_t *w, data_t *d, window_data_t *wd)
527 if (!wd->shadow_valid) {
528 xcb_xfixes_copy_region(w->sc->dpy->conn, window_get_region(w),
530 xcb_xfixes_translate_region(w->sc->dpy->conn, wd->shadow_region,
531 d->xshadowoff, d->yshadowoff);
532 wd->shadow_valid = TRUE;
538 render_window_opacity_change(d_window_t *w)
543 d = screen_find_plugin_data(w->sc, plugin_id);
544 wd = window_find_plugin_data(w, plugin_id);
547 d->window_opacity_change(w);
551 /* update the window and its shadows opacities */
552 render_update_opacity(w, d, wd);
554 /* redraw the window and its shadow */
555 render_redraw_window(w, d, TRUE, wd);
557 //printf("opacity change 0x%x\n", w->id);
561 render_window_damage(d_window_t *w)
565 d = screen_find_plugin_data(w->sc, plugin_id);
570 /* redraw the window not not its shadow */
571 render_redraw_window(w, d, FALSE, NULL);
575 render_root_pixmap_change(d_screen_t *sc)
579 d = screen_find_plugin_data(sc, plugin_id);
580 if (d->root_picture) {
581 xcb_render_free_picture(sc->dpy->conn, d->root_picture);
582 d->root_picture = XCB_NONE;
586 d->screen_root_pixmap_change(sc);
588 /* redraw the screen */
589 xcb_xfixes_copy_region(sc->dpy->conn, d->all_region, d->damaged_region);
593 render_paint(d_screen_t *sc)
595 data_t *d = screen_find_plugin_data(sc, plugin_id);
598 xcb_xfixes_copy_region(sc->dpy->conn, d->damaged_region, d->paint_region);
600 //printf("-- painting --\n");
601 for (it = list_top(sc->stacking); it; it = it->next) {
602 d_window_t *w = it->data;
604 if (!window_is_input_only(w) &&
605 (window_is_mapped(w) || window_is_zombie(w)))
607 int x, y, width, height, bwidth;
611 window_get_area(w, &x, &y, &width, &height, &bwidth);
613 if (!(x < sc->super->width_in_pixels &&
614 y < sc->super->height_in_pixels &&
615 x + width > 0 && y + height > 0))
620 opaque = !window_is_argb(w) && window_get_opacity(w) == 0xffff;
622 wd = window_find_plugin_data(w, plugin_id);
625 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
629 paint_window(w, d, wd, opaque,
630 x, y, width, height, bwidth);
632 /* remove this window from the paint region, as nothing is
633 above it, so nothing should draw to this space again */
634 xcb_xfixes_subtract_region(sc->dpy->conn, d->paint_region,
635 window_get_region(w),
639 /* save the clip region, when drawing windows (and shadows)
640 below this window, they should use this clip region */
641 xcb_xfixes_copy_region(sc->dpy->conn, d->paint_region,
646 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
652 for (it = list_bottom(sc->stacking); it; it = it->prev) {
653 d_window_t *w = it->data;
655 if (!window_is_input_only(w) &&
656 (window_is_mapped(w) || window_is_zombie(w)))
658 int x, y, width, height, bwidth;
662 window_get_area(w, &x, &y, &width, &height, &bwidth);
664 if (!(x < sc->super->width_in_pixels &&
665 y < sc->super->height_in_pixels &&
666 (x + width > 0 || x + width + d->xshadowoff > 0) &&
667 (y + height > 0 || y + height + d->yshadowoff > 0)))
672 opaque = !window_is_argb(w) && window_get_opacity(w) == 0xffff;
674 wd = window_find_plugin_data(w, plugin_id);
676 if (!wd->shadow_valid)
677 render_update_shadow(w, d, wd);
679 /* shape the shadow to the window */
680 xcb_xfixes_intersect_region(sc->dpy->conn,
681 wd->paint_clip, wd->shadow_region,
682 d->shadow_paint_region);
683 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
685 d->shadow_paint_region,
687 paint_shadow(w, d, wd, x, y, width, height, bwidth);
690 /* use the clip region of the highest opaque window seen so
691 far, as nothing should be able to draw on top of that region
693 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
697 paint_window(w, d, wd, opaque, x, y, width, height, bwidth);
702 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
707 /* copy the double buffer to the overlay window */
708 #ifndef MONITOR_REPAINT
709 xcb_render_composite(sc->dpy->conn,
710 XCB_RENDER_PICT_OP_SRC,
716 sc->super->width_in_pixels,
717 sc->super->height_in_pixels);
720 /* empty the damaged region */
721 xcb_xfixes_subtract_region(sc->dpy->conn, d->all_region,
722 d->all_region, d->damaged_region);
724 /* call the function we replaced in the chain */
729 paint_root(d_screen_t *sc, data_t *d)
731 xcb_render_picture_t src;
734 if (!d->root_picture)
735 render_update_root_picture(sc, d);
737 if (d->root_picture) {
738 src = d->root_picture;
739 op = XCB_RENDER_PICT_OP_SRC;
743 op = XCB_RENDER_PICT_OP_CLEAR;
746 xcb_render_composite(sc->dpy->conn,
753 sc->super->width_in_pixels,
754 sc->super->height_in_pixels);
758 paint_window(d_window_t *w, data_t *d, window_data_t *wd, gboolean opaque,
759 int x, int y, int width, int height, int bwidth)
762 render_update_picture(w, d, wd);
764 //printf("-- paint window 0x%x picture 0x%x --\n", w->id, wd->picture);
766 xcb_render_picture_t alphamap;
770 op = XCB_RENDER_PICT_OP_SRC;
774 op = XCB_RENDER_PICT_OP_OVER;
775 alphamap = wd->alpha_picture;
778 xcb_render_composite(w->sc->dpy->conn,
784 x, y, width + bwidth*2, height + bwidth *2);
789 paint_shadow(d_window_t *w, data_t *d, window_data_t *wd,
790 int x, int y, int width, int height, int bwidth)
792 xcb_render_composite(w->sc->dpy->conn,
793 XCB_RENDER_PICT_OP_OVER,
798 x+d->xshadowoff, y+d->yshadowoff,
799 width + bwidth*2, height + bwidth *2);