11 #include <xcb/render.h>
16 void (*screen_paint)(d_screen_t *sc);
17 void (*screen_root_pixmap_change)(d_screen_t *sc);
18 void (*window_show)(d_window_t *w);
19 void (*window_hide)(d_window_t *w);
20 void (*window_resize)(d_window_t *w);
21 void (*window_opacity_change)(d_window_t *w);
23 xcb_render_pictformat_t root_format;
24 xcb_render_pictformat_t argb32_format;
25 xcb_render_query_pict_formats_reply_t *pict_formats;
26 xcb_render_picture_t overlay_picture;
27 xcb_render_picture_t overlay_buffer;
28 xcb_render_picture_t root_picture;
29 xcb_render_picture_t solid_bg;
31 xcb_xfixes_region_t all_region;
32 xcb_xfixes_region_t paint_region;
33 xcb_xfixes_region_t shadow_region;
41 xcb_render_picture_t picture;
42 xcb_render_picture_t shadow_picture;
43 xcb_xfixes_region_t paint_clip;
46 static void render_paint(d_screen_t *sc);
47 static void render_root_pixmap_change(d_screen_t *sc);
48 static void paint_root(d_screen_t *sc, data_t *d);
49 static void paint_window(d_window_t *window, data_t *d, window_data_t *wd,
50 gboolean opaque, int x, int y, int width,
51 int height, int bwidth);
52 static void paint_shadow(d_window_t *w, data_t *d, window_data_t *wd,
53 int x, int y, int width, int height, int bwidth);
54 static void render_update_shadow_picture(d_window_t *w, data_t *d,
56 static void render_update_picture(d_window_t *w, data_t *d, window_data_t *wd);
57 static void render_update_root_picture(d_screen_t *sc, data_t *d);
58 static void render_free_picture(d_window_t *w, window_data_t *wd);
59 static xcb_render_pictformat_t find_visual_format(data_t *d,
60 xcb_visualid_t visual);
61 static xcb_render_pictformat_t find_argb32_format(data_t *d);
62 static xcb_render_picture_t solid_picture(data_t *d, d_screen_t *sc,
63 uint16_t a, uint16_t r,
64 uint16_t g, uint16_t b);
66 static void render_window_show(d_window_t *window);
67 static void render_window_hide(d_window_t *window);
68 static void render_window_resize(d_window_t *window);
69 static void render_window_opacity_change(d_window_t *w);
72 render_init(d_screen_t *sc, int id)
74 xcb_render_query_pict_formats_cookie_t ck;
80 data_t *d = malloc(sizeof(data_t));
81 d->screen_paint = sc->screen_paint;
82 d->screen_root_pixmap_change = sc->screen_root_pixmap_change;
83 d->window_show = sc->window_show;
84 d->window_hide = sc->window_hide;
85 d->window_resize = sc->window_resize;
86 d->window_opacity_change = sc->window_opacity_change;
87 screen_add_plugin_data(sc, plugin_id, d);
89 sc->screen_paint = render_paint;
90 sc->screen_root_pixmap_change = render_root_pixmap_change;
91 sc->window_show = render_window_show;
92 sc->window_hide = render_window_hide;
93 sc->window_resize = render_window_resize;
94 sc->window_opacity_change = render_window_opacity_change;
96 ck = xcb_render_query_pict_formats_unchecked(sc->dpy->conn);
97 d->pict_formats = xcb_render_query_pict_formats_reply(sc->dpy->conn, ck,
100 d->root_format = find_visual_format(d, sc->super.root_visual);
101 d->argb32_format = find_argb32_format(d);
102 d->root_picture = XCB_NONE;
104 d->overlay_picture = xcb_generate_id(sc->dpy->conn);
105 xcb_render_create_picture(sc->dpy->conn,
106 d->overlay_picture, sc->overlay, d->root_format,
109 /* make the double buffer */
110 px = xcb_generate_id(sc->dpy->conn);
111 xcb_create_pixmap(sc->dpy->conn, sc->super.root_depth, px,
112 sc->super.root, sc->super.width_in_pixels,
113 sc->super.height_in_pixels);
114 d->overlay_buffer = xcb_generate_id(sc->dpy->conn);
115 xcb_render_create_picture(sc->dpy->conn, d->overlay_buffer, px,
116 d->root_format, 0, 0);
117 xcb_free_pixmap(sc->dpy->conn, px);
119 d->solid_bg = solid_picture(d, sc, 0xffff, 0x6060, 02020, 0x3030);
121 d->all_region = xcb_generate_id(sc->dpy->conn);
122 d->paint_region = xcb_generate_id(sc->dpy->conn);
123 d->shadow_region = xcb_generate_id(sc->dpy->conn);
125 rect.width = sc->super.width_in_pixels;
126 rect.height = sc->super.height_in_pixels;
127 xcb_xfixes_create_region(sc->dpy->conn, d->all_region, 1, &rect);
128 xcb_xfixes_create_region(sc->dpy->conn, d->paint_region, 1, &rect);
129 xcb_xfixes_create_region(sc->dpy->conn, d->shadow_region, 1, &rect);
131 d->shadowalpha = 0x3333; /* 20% */
137 render_free(d_screen_t *sc)
139 data_t *d = screen_find_plugin_data(sc, plugin_id);
140 free(d->pict_formats);
141 xcb_render_free_picture(sc->dpy->conn, d->solid_bg);
143 xcb_render_free_picture(sc->dpy->conn, d->root_picture);
144 xcb_render_free_picture(sc->dpy->conn, d->overlay_picture);
145 xcb_render_free_picture(sc->dpy->conn, d->overlay_buffer);
146 xcb_xfixes_destroy_region(sc->dpy->conn, d->all_region);
147 xcb_xfixes_destroy_region(sc->dpy->conn, d->paint_region);
148 xcb_xfixes_destroy_region(sc->dpy->conn, d->shadow_region);
150 screen_remove_plugin_data(sc, plugin_id);
154 render_window_free(d_window_t *w, window_data_t *wd)
156 render_free_picture(w, wd);
157 if (wd->shadow_picture) {
158 xcb_render_free_picture(w->sc->dpy->conn, wd->shadow_picture);
159 wd->shadow_picture = XCB_NONE;
165 render_window_show(d_window_t *w)
169 xcb_rectangle_t rect;
171 d = screen_find_plugin_data(w->sc, plugin_id);
176 wd = window_find_plugin_data(w, plugin_id);
178 render_window_free(w, wd);
180 wd = malloc(sizeof(window_data_t));
181 wd->picture = XCB_NONE;
183 wd->paint_clip = xcb_generate_id(w->sc->dpy->conn);
185 rect.width = rect.height = 1;
186 xcb_xfixes_create_region(w->sc->dpy->conn, wd->paint_clip, 1, &rect);
188 render_update_shadow_picture(w, d, wd);
190 window_add_plugin_data(w, plugin_id, wd);
196 render_window_hide(d_window_t *w)
201 d = screen_find_plugin_data(w->sc, plugin_id);
202 wd = window_find_plugin_data(w, plugin_id);
204 render_window_free(w, wd);
205 xcb_xfixes_destroy_region(w->sc->dpy->conn, wd->paint_clip);
206 window_remove_plugin_data(w, plugin_id);
213 static xcb_render_picture_t
214 solid_picture(data_t *d, d_screen_t *sc, uint16_t a, uint16_t r,
215 uint16_t g, uint16_t b)
218 xcb_render_picture_t picture;
219 xcb_render_color_t c;
220 const uint32_t vals = XCB_RENDER_REPEAT_NORMAL;
221 const xcb_rectangle_t rect = { 0, 0, 1, 1 };
223 pixmap = xcb_generate_id(sc->dpy->conn);
224 picture = xcb_generate_id(sc->dpy->conn);
226 xcb_create_pixmap(sc->dpy->conn, 32, pixmap, sc->super.root, 1, 1);
227 xcb_render_create_picture(sc->dpy->conn, picture, pixmap, d->argb32_format,
228 XCB_RENDER_CP_REPEAT, &vals);
235 xcb_render_fill_rectangles(sc->dpy->conn, XCB_RENDER_PICT_OP_SRC,
236 picture, c, 1, &rect);
237 xcb_free_pixmap(sc->dpy->conn, pixmap);
242 static xcb_render_pictformat_t
243 find_argb32_format(data_t *d)
245 xcb_render_pictforminfo_iterator_t it;
247 for (it = xcb_render_query_pict_formats_formats_iterator(d->pict_formats);
248 it.rem; xcb_render_pictforminfo_next(&it))
250 xcb_render_pictforminfo_t *format = it.data;
251 if (format->type == XCB_RENDER_PICT_TYPE_DIRECT) {
252 if (format->depth == 32 &&
253 format->direct.alpha_mask == 0xff &&
254 format->direct.red_mask == 0xff &&
255 format->direct.green_mask == 0xff &&
256 format->direct.blue_mask == 0xff &&
257 format->direct.alpha_shift == 24 &&
258 format->direct.red_shift == 16 &&
259 format->direct.green_shift == 8 &&
260 format->direct.blue_shift == 0)
267 static xcb_render_pictformat_t
268 find_visual_format(data_t *d, xcb_visualid_t visual)
270 xcb_render_pictscreen_iterator_t si;
271 xcb_render_pictdepth_iterator_t di;
272 xcb_render_pictvisual_iterator_t vi;
274 if (!visual) return XCB_NONE;
276 /* go through all the screens */
277 si = xcb_render_query_pict_formats_screens_iterator(d->pict_formats);
278 for (; si.rem; xcb_render_pictscreen_next(&si)) {
279 di = xcb_render_pictscreen_depths_iterator(si.data);
280 for (; di.rem; xcb_render_pictdepth_next(&di)) {
281 vi = xcb_render_pictdepth_visuals_iterator(di.data);
282 for (; vi.rem; xcb_render_pictvisual_next(&vi)) {
283 if (vi.data->visual == visual)
284 return vi.data->format;
292 render_free_picture(d_window_t *w, window_data_t *wd)
294 /* this might cause an error, oh well */
296 xcb_render_free_picture(w->sc->dpy->conn, wd->picture);
297 wd->picture = XCB_NONE;
302 render_update_shadow_picture(d_window_t *w, data_t *d, window_data_t *wd)
304 if (wd->shadow_picture)
305 xcb_render_free_picture(w->sc->dpy->conn, wd->shadow_picture);
306 wd->shadow_picture = solid_picture(d, w->sc,
308 window_get_opacity(w) / 0xffff,
313 render_update_root_picture(d_screen_t *sc, data_t *d)
317 px = screen_get_root_pixmap(sc);
319 d->root_picture = xcb_generate_id(sc->dpy->conn);
320 xcb_render_create_picture(sc->dpy->conn,
322 d->root_format, 0, NULL);
327 render_update_picture(d_window_t *w, data_t *d, window_data_t *wd)
331 px = window_get_pixmap(w);
332 //printf("got pixmap 0x%x\n", px);
334 xcb_render_pictformat_t format;
335 const uint32_t vals = XCB_SUBWINDOW_MODE_INCLUDE_INFERIORS;
337 render_free_picture(w, wd);
339 wd->picture = xcb_generate_id(w->sc->dpy->conn);
340 format = find_visual_format(d, window_get_visual(w));
341 /* we don't need to check this. if it fails, we'll just be drawing
342 an invalid picture and creating some X errors but that's no big
344 xcb_render_create_picture(w->sc->dpy->conn,
345 wd->picture, px, format,
346 XCB_RENDER_CP_SUBWINDOW_MODE,
352 render_window_resize(d_window_t *w)
357 d = screen_find_plugin_data(w->sc, plugin_id);
358 wd = window_find_plugin_data(w, plugin_id);
364 render_free_picture(w, wd);
368 render_window_opacity_change(d_window_t *w)
373 d = screen_find_plugin_data(w->sc, plugin_id);
374 wd = window_find_plugin_data(w, plugin_id);
377 d->window_opacity_change(w);
380 render_update_shadow_picture(w, d, wd);
384 render_root_pixmap_change(d_screen_t *sc)
388 d = screen_find_plugin_data(sc, plugin_id);
389 if (d->root_picture) {
390 xcb_render_free_picture(sc->dpy->conn, d->root_picture);
391 d->root_picture = XCB_NONE;
395 d->screen_root_pixmap_change(sc);
399 render_paint(d_screen_t *sc)
401 data_t *d = screen_find_plugin_data(sc, plugin_id);
404 xcb_xfixes_copy_region(sc->dpy->conn, d->all_region, d->paint_region);
406 //printf("-- painting --\n");
407 for (it = list_top(sc->stacking); it; it = it->next) {
408 d_window_t *w = it->data;
409 int x, y, width, height, bwidth;
411 window_get_area(w, &x, &y, &width, &height, &bwidth);
413 if (!window_is_input_only(w) && window_is_mapped(w) &&
414 x < sc->super.width_in_pixels &&
415 y < sc->super.height_in_pixels &&
416 x + width > 0 && y + height > 0)
418 gboolean opaque = !(window_is_argb(w) ||
419 window_get_opacity(w) < 0xffff);
422 wd = window_find_plugin_data(w, plugin_id);
425 paint_window(w, d, wd, opaque, x, y, width, height, bwidth);
427 /* remove this window from the paint region, as nothing is
428 above it, so nothing should draw to this space again */
429 xcb_xfixes_subtract_region(sc->dpy->conn, d->paint_region,
430 window_get_region(w),
432 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
438 /* save the clip region, when drawing windows (and shadows)
439 below this window, they should use this clip region */
440 xcb_xfixes_copy_region(sc->dpy->conn, d->paint_region,
447 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
452 for (it = list_bottom(sc->stacking); it; it = it->prev) {
453 d_window_t *w = it->data;
454 int x, y, width, height, bwidth;
456 window_get_area(w, &x, &y, &width, &height, &bwidth);
458 if (!window_is_input_only(w) && window_is_mapped(w) &&
459 x < sc->super.width_in_pixels &&
460 y < sc->super.height_in_pixels &&
461 (x + width > 0 || x + width + d->xshadowoff > 0) &&
462 (y + height > 0 || y + height + d->yshadowoff > 0))
465 gboolean opaque = !(window_is_argb(w) ||
466 window_get_opacity(w) < 0xffff);
468 wd = window_find_plugin_data(w, plugin_id);
470 /* shape the shadow to the window */
471 xcb_xfixes_copy_region(sc->dpy->conn, window_get_region(w),
473 xcb_xfixes_translate_region(sc->dpy->conn, d->shadow_region,
474 d->xshadowoff, d->yshadowoff);
475 xcb_xfixes_intersect_region(sc->dpy->conn,
476 wd->paint_clip, d->shadow_region,
478 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
482 paint_shadow(w, d, wd, x, y, width, height, bwidth);
485 /* use the clip region of the highest opaque window seen so
486 far, as nothing should be able to draw on top of that region
488 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
492 paint_window(w, d, wd, opaque, x, y, width, height, bwidth);
497 xcb_xfixes_set_picture_clip_region(sc->dpy->conn,
502 /* copy the double buffer to the overlay window */
503 xcb_render_composite(sc->dpy->conn,
504 XCB_RENDER_PICT_OP_SRC,
510 sc->super.width_in_pixels,
511 sc->super.height_in_pixels);
513 /* call the function we replaced in the chain */
518 paint_root(d_screen_t *sc, data_t *d)
520 xcb_render_picture_t src;
523 if (!d->root_picture)
524 render_update_root_picture(sc, d);
526 if (d->root_picture) {
527 src = d->root_picture;
528 op = XCB_RENDER_PICT_OP_SRC;
532 op = XCB_RENDER_PICT_OP_CLEAR;
535 xcb_render_composite(sc->dpy->conn,
542 sc->super.width_in_pixels,
543 sc->super.height_in_pixels);
547 paint_window(d_window_t *w, data_t *d, window_data_t *wd, gboolean opaque,
548 int x, int y, int width, int height, int bwidth)
550 xcb_render_picture_t alphamap;
553 render_update_picture(w, d, wd);
555 //printf("-- paint window 0x%x picture 0x%x --\n", w->id, wd->picture);
560 XCB_RENDER_PICT_OP_OVER : XCB_RENDER_PICT_OP_SRC;
565 alphamap = solid_picture(d, w->sc, window_get_opacity(w), 0, 0, 0);
567 xcb_render_composite(w->sc->dpy->conn,
573 x, y, width + bwidth*2, height + bwidth *2);
578 paint_shadow(d_window_t *w, data_t *d, window_data_t *wd,
579 int x, int y, int width, int height, int bwidth)
581 xcb_render_composite(w->sc->dpy->conn,
582 XCB_RENDER_PICT_OP_OVER,
587 x+d->xshadowoff, y+d->yshadowoff,
588 width + bwidth*2, height + bwidth *2);