aboutsummaryrefslogtreecommitdiffstats
path: root/sway/desktop/render.c
diff options
context:
space:
mode:
Diffstat (limited to 'sway/desktop/render.c')
-rw-r--r--sway/desktop/render.c919
1 files changed, 919 insertions, 0 deletions
diff --git a/sway/desktop/render.c b/sway/desktop/render.c
new file mode 100644
index 00000000..7da54594
--- /dev/null
+++ b/sway/desktop/render.c
@@ -0,0 +1,919 @@
1#define _POSIX_C_SOURCE 200809L
2#include <assert.h>
3#include <stdlib.h>
4#include <strings.h>
5#include <time.h>
6#include <wayland-server.h>
7#include <wlr/render/wlr_renderer.h>
8#include <wlr/types/wlr_box.h>
9#include <wlr/types/wlr_buffer.h>
10#include <wlr/types/wlr_matrix.h>
11#include <wlr/types/wlr_output_damage.h>
12#include <wlr/types/wlr_output_layout.h>
13#include <wlr/types/wlr_output.h>
14#include <wlr/types/wlr_surface.h>
15#include <wlr/util/region.h>
16#include "log.h"
17#include "sway/config.h"
18#include "sway/debug.h"
19#include "sway/input/input-manager.h"
20#include "sway/input/seat.h"
21#include "sway/layers.h"
22#include "sway/output.h"
23#include "sway/server.h"
24#include "sway/tree/arrange.h"
25#include "sway/tree/container.h"
26#include "sway/tree/layout.h"
27#include "sway/tree/view.h"
28#include "sway/tree/workspace.h"
29
30struct render_data {
31 struct root_geometry root_geo;
32 struct sway_output *output;
33 pixman_region32_t *damage;
34 struct sway_view *view;
35 float alpha;
36};
37
38static void scale_box(struct wlr_box *box, float scale) {
39 box->x *= scale;
40 box->y *= scale;
41 box->width *= scale;
42 box->height *= scale;
43}
44
45static void scissor_output(struct wlr_output *wlr_output,
46 pixman_box32_t *rect) {
47 struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
48 assert(renderer);
49
50 struct wlr_box box = {
51 .x = rect->x1,
52 .y = rect->y1,
53 .width = rect->x2 - rect->x1,
54 .height = rect->y2 - rect->y1,
55 };
56
57 int ow, oh;
58 wlr_output_transformed_resolution(wlr_output, &ow, &oh);
59
60 enum wl_output_transform transform =
61 wlr_output_transform_invert(wlr_output->transform);
62 wlr_box_transform(&box, transform, ow, oh, &box);
63
64 wlr_renderer_scissor(renderer, &box);
65}
66
67static void render_texture(struct wlr_output *wlr_output,
68 pixman_region32_t *output_damage, struct wlr_texture *texture,
69 const struct wlr_box *box, const float matrix[static 9], float alpha) {
70 struct wlr_renderer *renderer =
71 wlr_backend_get_renderer(wlr_output->backend);
72
73 pixman_region32_t damage;
74 pixman_region32_init(&damage);
75 pixman_region32_union_rect(&damage, &damage, box->x, box->y,
76 box->width, box->height);
77 pixman_region32_intersect(&damage, &damage, output_damage);
78 bool damaged = pixman_region32_not_empty(&damage);
79 if (!damaged) {
80 goto damage_finish;
81 }
82
83 int nrects;
84 pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
85 for (int i = 0; i < nrects; ++i) {
86 scissor_output(wlr_output, &rects[i]);
87 wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
88 }
89
90damage_finish:
91 pixman_region32_fini(&damage);
92}
93
94static void render_surface_iterator(struct wlr_surface *surface, int sx, int sy,
95 void *_data) {
96 struct render_data *data = _data;
97 struct wlr_output *wlr_output = data->output->wlr_output;
98 float rotation = data->root_geo.rotation;
99 pixman_region32_t *output_damage = data->damage;
100 float alpha = data->alpha;
101
102 struct wlr_texture *texture = wlr_surface_get_texture(surface);
103 if (!texture) {
104 return;
105 }
106
107 struct wlr_box box;
108 bool intersects = output_get_surface_box(&data->root_geo, data->output,
109 surface, sx, sy, &box);
110 if (!intersects) {
111 return;
112 }
113
114 scale_box(&box, wlr_output->scale);
115
116 float matrix[9];
117 enum wl_output_transform transform =
118 wlr_output_transform_invert(surface->current.transform);
119 wlr_matrix_project_box(matrix, &box, transform, rotation,
120 wlr_output->transform_matrix);
121
122 render_texture(wlr_output, output_damage, texture, &box, matrix, alpha);
123}
124
125static void render_layer(struct sway_output *output,
126 pixman_region32_t *damage, struct wl_list *layer_surfaces) {
127 struct render_data data = {
128 .output = output,
129 .damage = damage,
130 .alpha = 1.0f,
131 };
132 output_layer_for_each_surface(layer_surfaces, &data.root_geo,
133 render_surface_iterator, &data);
134}
135
136static void render_unmanaged(struct sway_output *output,
137 pixman_region32_t *damage, struct wl_list *unmanaged) {
138 struct render_data data = {
139 .output = output,
140 .damage = damage,
141 .alpha = 1.0f,
142 };
143 output_unmanaged_for_each_surface(unmanaged, output, &data.root_geo,
144 render_surface_iterator, &data);
145}
146
147static void render_drag_icons(struct sway_output *output,
148 pixman_region32_t *damage, struct wl_list *drag_icons) {
149 struct render_data data = {
150 .output = output,
151 .damage = damage,
152 .alpha = 1.0f,
153 };
154 output_drag_icons_for_each_surface(drag_icons, output, &data.root_geo,
155 render_surface_iterator, &data);
156}
157
158static void render_rect(struct wlr_output *wlr_output,
159 pixman_region32_t *output_damage, const struct wlr_box *_box,
160 float color[static 4]) {
161 struct wlr_renderer *renderer =
162 wlr_backend_get_renderer(wlr_output->backend);
163
164 struct wlr_box box;
165 memcpy(&box, _box, sizeof(struct wlr_box));
166 box.x -= wlr_output->lx * wlr_output->scale;
167 box.y -= wlr_output->ly * wlr_output->scale;
168
169 pixman_region32_t damage;
170 pixman_region32_init(&damage);
171 pixman_region32_union_rect(&damage, &damage, box.x, box.y,
172 box.width, box.height);
173 pixman_region32_intersect(&damage, &damage, output_damage);
174 bool damaged = pixman_region32_not_empty(&damage);
175 if (!damaged) {
176 goto damage_finish;
177 }
178
179 int nrects;
180 pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
181 for (int i = 0; i < nrects; ++i) {
182 scissor_output(wlr_output, &rects[i]);
183 wlr_render_rect(renderer, &box, color,
184 wlr_output->transform_matrix);
185 }
186
187damage_finish:
188 pixman_region32_fini(&damage);
189}
190
191static void premultiply_alpha(float color[4], float opacity) {
192 color[3] *= opacity;
193 color[0] *= color[3];
194 color[1] *= color[3];
195 color[2] *= color[3];
196}
197
198static void render_view_surfaces(struct sway_view *view,
199 struct sway_output *output, pixman_region32_t *damage, float alpha) {
200 struct render_data data = {
201 .output = output,
202 .damage = damage,
203 .view = view,
204 .alpha = alpha,
205 };
206 output_view_for_each_surface(view, output, &data.root_geo,
207 render_surface_iterator, &data);
208}
209
210static void render_saved_view(struct sway_view *view,
211 struct sway_output *output, pixman_region32_t *damage, float alpha) {
212 struct wlr_output *wlr_output = output->wlr_output;
213
214 int width, height;
215 struct wlr_texture *texture =
216 transaction_get_saved_texture(view, &width, &height);
217 if (!texture) {
218 return;
219 }
220 struct wlr_box box = {
221 .x = view->swayc->current.view_x - output->swayc->current.swayc_x,
222 .y = view->swayc->current.view_y - output->swayc->current.swayc_y,
223 .width = width,
224 .height = height,
225 };
226
227 struct wlr_box output_box = {
228 .width = output->swayc->current.swayc_width,
229 .height = output->swayc->current.swayc_height,
230 };
231
232 struct wlr_box intersection;
233 bool intersects = wlr_box_intersection(&output_box, &box, &intersection);
234 if (!intersects) {
235 return;
236 }
237
238 scale_box(&box, wlr_output->scale);
239
240 float matrix[9];
241 wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
242 wlr_output->transform_matrix);
243
244 render_texture(wlr_output, damage, texture, &box, matrix, alpha);
245}
246
247/**
248 * Render a view's surface and left/bottom/right borders.
249 */
250static void render_view(struct sway_output *output, pixman_region32_t *damage,
251 struct sway_container *con, struct border_colors *colors) {
252 struct sway_view *view = con->sway_view;
253 if (view->swayc->instructions->length) {
254 render_saved_view(view, output, damage, view->swayc->alpha);
255 } else {
256 render_view_surfaces(view, output, damage, view->swayc->alpha);
257 }
258
259 if (view->using_csd) {
260 return;
261 }
262
263 struct wlr_box box;
264 float output_scale = output->wlr_output->scale;
265 float color[4];
266 struct sway_container_state *state = &con->current;
267
268 if (state->border != B_NONE) {
269 if (state->border_left) {
270 memcpy(&color, colors->child_border, sizeof(float) * 4);
271 premultiply_alpha(color, con->alpha);
272 box.x = state->swayc_x;
273 box.y = state->view_y;
274 box.width = state->border_thickness;
275 box.height = state->view_height;
276 scale_box(&box, output_scale);
277 render_rect(output->wlr_output, damage, &box, color);
278 }
279
280 if (state->border_right) {
281 if (state->parent->current.children->length == 1
282 && state->parent->current.layout == L_HORIZ) {
283 memcpy(&color, colors->indicator, sizeof(float) * 4);
284 } else {
285 memcpy(&color, colors->child_border, sizeof(float) * 4);
286 }
287 premultiply_alpha(color, con->alpha);
288 box.x = state->view_x + state->view_width;
289 box.y = state->view_y;
290 box.width = state->border_thickness;
291 box.height = state->view_height;
292 scale_box(&box, output_scale);
293 render_rect(output->wlr_output, damage, &box, color);
294 }
295
296 if (state->border_bottom) {
297 if (state->parent->current.children->length == 1
298 && con->current.parent->current.layout == L_VERT) {
299 memcpy(&color, colors->indicator, sizeof(float) * 4);
300 } else {
301 memcpy(&color, colors->child_border, sizeof(float) * 4);
302 }
303 premultiply_alpha(color, con->alpha);
304 box.x = state->swayc_x;
305 box.y = state->view_y + state->view_height;
306 box.width = state->swayc_width;
307 box.height = state->border_thickness;
308 scale_box(&box, output_scale);
309 render_rect(output->wlr_output, damage, &box, color);
310 }
311 }
312}
313
314/**
315 * Render a titlebar.
316 *
317 * Care must be taken not to render over the same pixel multiple times,
318 * otherwise the colors will be incorrect when using opacity.
319 *
320 * The height is: 1px border, 3px padding, font height, 3px padding, 1px border
321 * The left side for L_TABBED is: 1px border, 2px padding, title
322 * The left side for other layouts is: 3px padding, title
323 */
324static void render_titlebar(struct sway_output *output,
325 pixman_region32_t *output_damage, struct sway_container *con,
326 int x, int y, int width,
327 struct border_colors *colors, struct wlr_texture *title_texture,
328 struct wlr_texture *marks_texture) {
329 struct wlr_box box;
330 float color[4];
331 struct sway_container_state *state = &con->current;
332 float output_scale = output->wlr_output->scale;
333 enum sway_container_layout layout = state->parent->current.layout;
334 list_t *children = state->parent->current.children;
335 bool is_last_child = children->items[children->length - 1] == con;
336 double output_x = output->swayc->current.swayc_x;
337 double output_y = output->swayc->current.swayc_y;
338
339 // Single pixel bar above title
340 memcpy(&color, colors->border, sizeof(float) * 4);
341 premultiply_alpha(color, con->alpha);
342 box.x = x;
343 box.y = y;
344 box.width = width;
345 box.height = TITLEBAR_BORDER_THICKNESS;
346 scale_box(&box, output_scale);
347 render_rect(output->wlr_output, output_damage, &box, color);
348
349 // Single pixel bar below title
350 size_t left_offset = 0, right_offset = 0;
351 bool connects_sides = false;
352 if (layout == L_HORIZ || layout == L_VERT ||
353 (layout == L_STACKED && is_last_child)) {
354 if (con->type == C_VIEW) {
355 left_offset = state->border_left * state->border_thickness;
356 right_offset = state->border_right * state->border_thickness;
357 connects_sides = true;
358 }
359 }
360 box.x = x + left_offset;
361 box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
362 box.width = width - left_offset - right_offset;
363 box.height = TITLEBAR_BORDER_THICKNESS;
364 scale_box(&box, output_scale);
365 render_rect(output->wlr_output, output_damage, &box, color);
366
367 if (layout == L_TABBED) {
368 // Single pixel left edge
369 box.x = x;
370 box.y = y + TITLEBAR_BORDER_THICKNESS;
371 box.width = TITLEBAR_BORDER_THICKNESS;
372 box.height =
373 container_titlebar_height() - TITLEBAR_BORDER_THICKNESS * 2;
374 scale_box(&box, output_scale);
375 render_rect(output->wlr_output, output_damage, &box, color);
376
377 // Single pixel right edge
378 box.x = (x + width - TITLEBAR_BORDER_THICKNESS) * output_scale;
379 render_rect(output->wlr_output, output_damage, &box, color);
380 }
381
382 size_t inner_width = width - TITLEBAR_H_PADDING * 2;
383
384 // Marks
385 size_t marks_ob_width = 0; // output-buffer-local
386 if (config->show_marks && marks_texture) {
387 struct wlr_box texture_box;
388 wlr_texture_get_size(marks_texture,
389 &texture_box.width, &texture_box.height);
390 texture_box.x = (x - output_x + width - TITLEBAR_H_PADDING)
391 * output_scale - texture_box.width;
392 texture_box.y = (y - output_y + TITLEBAR_V_PADDING) * output_scale;
393
394 float matrix[9];
395 wlr_matrix_project_box(matrix, &texture_box,
396 WL_OUTPUT_TRANSFORM_NORMAL,
397 0.0, output->wlr_output->transform_matrix);
398
399 if (inner_width * output_scale < texture_box.width) {
400 texture_box.width = inner_width * output_scale;
401 }
402 render_texture(output->wlr_output, output_damage, marks_texture,
403 &texture_box, matrix, con->alpha);
404 marks_ob_width = texture_box.width;
405
406 // Gap between the marks and bottom padding, for when the marks texture
407 // height is smaller than the config's font height
408 memcpy(&color, colors->background, sizeof(float) * 4);
409 premultiply_alpha(color, con->alpha);
410 box.x = texture_box.x;
411 box.y = texture_box.y + texture_box.height;
412 box.width = texture_box.width;
413 box.height = config->font_height * output_scale - texture_box.height;
414 if (box.height > 0) {
415 render_rect(output->wlr_output, output_damage, &box, color);
416 }
417 }
418
419 // Title text
420 size_t title_ob_width = 0; // output-buffer-local
421 if (title_texture) {
422 struct wlr_box texture_box;
423 wlr_texture_get_size(title_texture,
424 &texture_box.width, &texture_box.height);
425 texture_box.x = (x - output_x + TITLEBAR_H_PADDING) * output_scale;
426 texture_box.y = (y - output_y + TITLEBAR_V_PADDING) * output_scale;
427
428 float matrix[9];
429 wlr_matrix_project_box(matrix, &texture_box,
430 WL_OUTPUT_TRANSFORM_NORMAL,
431 0.0, output->wlr_output->transform_matrix);
432
433 if (inner_width * output_scale - marks_ob_width < texture_box.width) {
434 texture_box.width = inner_width * output_scale - marks_ob_width;
435 }
436 render_texture(output->wlr_output, output_damage, title_texture,
437 &texture_box, matrix, con->alpha);
438 title_ob_width = texture_box.width;
439
440 // Gap between the title and bottom padding, for when the title texture
441 // height is smaller than the config's font height
442 memcpy(&color, colors->background, sizeof(float) * 4);
443 premultiply_alpha(color, con->alpha);
444 box.x = texture_box.x;
445 box.y = texture_box.y + texture_box.height;
446 box.width = texture_box.width;
447 box.height = config->font_height * output_scale - texture_box.height;
448 if (box.height > 0) {
449 render_rect(output->wlr_output, output_damage, &box, color);
450 }
451 }
452
453 // Padding above title
454 memcpy(&color, colors->background, sizeof(float) * 4);
455 premultiply_alpha(color, con->alpha);
456 box.x = x + (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
457 box.y = y + TITLEBAR_BORDER_THICKNESS;
458 box.width = width - (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS * 2;
459 box.height = TITLEBAR_V_PADDING - TITLEBAR_BORDER_THICKNESS;
460 scale_box(&box, output_scale);
461 render_rect(output->wlr_output, output_damage, &box, color);
462
463 // Padding below title
464 box.y = (y + TITLEBAR_V_PADDING + config->font_height) * output_scale;
465 render_rect(output->wlr_output, output_damage, &box, color);
466
467 // Filler between title and marks
468 box.width = inner_width * output_scale - title_ob_width - marks_ob_width;
469 if (box.width > 0) {
470 box.x = (x + TITLEBAR_H_PADDING) * output_scale + title_ob_width;
471 box.y = (y + TITLEBAR_V_PADDING) * output_scale;
472 box.height = config->font_height * output_scale;
473 render_rect(output->wlr_output, output_damage, &box, color);
474 }
475
476 // Padding left of title
477 left_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
478 box.x = x + left_offset;
479 box.y = y + TITLEBAR_V_PADDING;
480 box.width = TITLEBAR_H_PADDING - left_offset;
481 box.height = config->font_height;
482 scale_box(&box, output_scale);
483 render_rect(output->wlr_output, output_damage, &box, color);
484
485 // Padding right of marks
486 right_offset = (layout == L_TABBED) * TITLEBAR_BORDER_THICKNESS;
487 box.x = x + width - TITLEBAR_H_PADDING;
488 box.y = y + TITLEBAR_V_PADDING;
489 box.width = TITLEBAR_H_PADDING - right_offset;
490 box.height = config->font_height;
491 scale_box(&box, output_scale);
492 render_rect(output->wlr_output, output_damage, &box, color);
493
494 if (connects_sides) {
495 // Left pixel in line with bottom bar
496 box.x = x;
497 box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
498 box.width = state->border_thickness * state->border_left;
499 box.height = TITLEBAR_BORDER_THICKNESS;
500 scale_box(&box, output_scale);
501 render_rect(output->wlr_output, output_damage, &box, color);
502
503 // Right pixel in line with bottom bar
504 box.x = x + width - state->border_thickness * state->border_right;
505 box.y = y + container_titlebar_height() - TITLEBAR_BORDER_THICKNESS;
506 box.width = state->border_thickness * state->border_right;
507 box.height = TITLEBAR_BORDER_THICKNESS;
508 scale_box(&box, output_scale);
509 render_rect(output->wlr_output, output_damage, &box, color);
510 }
511}
512
513/**
514 * Render the top border line for a view using "border pixel".
515 */
516static void render_top_border(struct sway_output *output,
517 pixman_region32_t *output_damage, struct sway_container *con,
518 struct border_colors *colors) {
519 struct sway_container_state *state = &con->current;
520 if (!state->border_top) {
521 return;
522 }
523 struct wlr_box box;
524 float color[4];
525 float output_scale = output->wlr_output->scale;
526
527 // Child border - top edge
528 memcpy(&color, colors->child_border, sizeof(float) * 4);
529 premultiply_alpha(color, con->alpha);
530 box.x = state->swayc_x;
531 box.y = state->swayc_y;
532 box.width = state->swayc_width;
533 box.height = state->border_thickness;
534 scale_box(&box, output_scale);
535 render_rect(output->wlr_output, output_damage, &box, color);
536}
537
538static void render_container(struct sway_output *output,
539 pixman_region32_t *damage, struct sway_container *con, bool parent_focused);
540
541/**
542 * Render a container's children using a L_HORIZ or L_VERT layout.
543 *
544 * Wrap child views in borders and leave child containers borderless because
545 * they'll apply their own borders to their children.
546 */
547static void render_container_simple(struct sway_output *output,
548 pixman_region32_t *damage, struct sway_container *con,
549 bool parent_focused) {
550 for (int i = 0; i < con->current.children->length; ++i) {
551 struct sway_container *child = con->current.children->items[i];
552
553 if (child->type == C_VIEW) {
554 struct sway_view *view = child->sway_view;
555 struct border_colors *colors;
556 struct wlr_texture *title_texture;
557 struct wlr_texture *marks_texture;
558 struct sway_container_state *state = &child->current;
559
560 if (view_is_urgent(view)) {
561 colors = &config->border_colors.urgent;
562 title_texture = child->title_urgent;
563 marks_texture = view->marks_urgent;
564 } else if (state->focused || parent_focused) {
565 colors = &config->border_colors.focused;
566 title_texture = child->title_focused;
567 marks_texture = view->marks_focused;
568 } else if (con->current.focused_inactive_child == child) {
569 colors = &config->border_colors.focused_inactive;
570 title_texture = child->title_focused_inactive;
571 marks_texture = view->marks_focused_inactive;
572 } else {
573 colors = &config->border_colors.unfocused;
574 title_texture = child->title_unfocused;
575 marks_texture = view->marks_unfocused;
576 }
577
578 if (!view->using_csd) {
579 if (state->border == B_NORMAL) {
580 render_titlebar(output, damage, child, state->swayc_x,
581 state->swayc_y, state->swayc_width, colors,
582 title_texture, marks_texture);
583 } else {
584 render_top_border(output, damage, child, colors);
585 }
586 }
587 render_view(output, damage, child, colors);
588 } else {
589 render_container(output, damage, child,
590 parent_focused || child->current.focused);
591 }
592 }
593}
594
595/**
596 * Render a container's children using the L_TABBED layout.
597 */
598static void render_container_tabbed(struct sway_output *output,
599 pixman_region32_t *damage, struct sway_container *con,
600 bool parent_focused) {
601 if (!con->current.children->length) {
602 return;
603 }
604 struct sway_container_state *pstate = &con->current;
605 struct sway_container *current = pstate->focused_inactive_child;
606 struct border_colors *current_colors = &config->border_colors.unfocused;
607
608 double width_gap_adjustment = 2 * pstate->current_gaps;
609 int tab_width =
610 (pstate->swayc_width - width_gap_adjustment) / pstate->children->length;
611
612 // Render tabs
613 for (int i = 0; i < pstate->children->length; ++i) {
614 struct sway_container *child = pstate->children->items[i];
615 struct sway_view *view = child->type == C_VIEW ? child->sway_view : NULL;
616 struct sway_container_state *cstate = &child->current;
617 struct border_colors *colors;
618 struct wlr_texture *title_texture;
619 struct wlr_texture *marks_texture;
620 bool urgent = view ?
621 view_is_urgent(view) : container_has_urgent_child(child);
622
623 if (urgent) {
624 colors = &config->border_colors.urgent;
625 title_texture = child->title_urgent;
626 marks_texture = view ? view->marks_urgent : NULL;
627 } else if (cstate->focused || parent_focused) {
628 colors = &config->border_colors.focused;
629 title_texture = child->title_focused;
630 marks_texture = view ? view->marks_focused : NULL;
631 } else if (child == pstate->focused_inactive_child) {
632 colors = &config->border_colors.focused_inactive;
633 title_texture = child->title_focused_inactive;
634 marks_texture = view ? view->marks_focused_inactive : NULL;
635 } else {
636 colors = &config->border_colors.unfocused;
637 title_texture = child->title_unfocused;
638 marks_texture = view ? view->marks_unfocused : NULL;
639 }
640
641 int x = cstate->swayc_x + tab_width * i;
642
643 // Make last tab use the remaining width of the parent
644 if (i == pstate->children->length - 1) {
645 tab_width =
646 pstate->swayc_width - width_gap_adjustment - tab_width * i;
647 }
648
649 render_titlebar(output, damage, child, x, cstate->swayc_y, tab_width,
650 colors, title_texture, marks_texture);
651
652 if (child == current) {
653 current_colors = colors;
654 }
655 }
656
657 // Render surface and left/right/bottom borders
658 if (current->type == C_VIEW) {
659 render_view(output, damage, current, current_colors);
660 } else {
661 render_container(output, damage, current,
662 parent_focused || current->current.focused);
663 }
664}
665
666/**
667 * Render a container's children using the L_STACKED layout.
668 */
669static void render_container_stacked(struct sway_output *output,
670 pixman_region32_t *damage, struct sway_container *con,
671 bool parent_focused) {
672 if (!con->current.children->length) {
673 return;
674 }
675 struct sway_container_state *pstate = &con->current;
676 struct sway_container *current = pstate->focused_inactive_child;
677 struct border_colors *current_colors = &config->border_colors.unfocused;
678
679 size_t titlebar_height = container_titlebar_height();
680
681 // Render titles
682 for (int i = 0; i < pstate->children->length; ++i) {
683 struct sway_container *child = pstate->children->items[i];
684 struct sway_view *view = child->type == C_VIEW ? child->sway_view : NULL;
685 struct sway_container_state *cstate = &child->current;
686 struct border_colors *colors;
687 struct wlr_texture *title_texture;
688 struct wlr_texture *marks_texture;
689 bool urgent = view ?
690 view_is_urgent(view) : container_has_urgent_child(child);
691
692 if (urgent) {
693 colors = &config->border_colors.urgent;
694 title_texture = child->title_urgent;
695 marks_texture = view ? view->marks_urgent : NULL;
696 } else if (cstate->focused || parent_focused) {
697 colors = &config->border_colors.focused;
698 title_texture = child->title_focused;
699 marks_texture = view ? view->marks_focused : NULL;
700 } else if (child == pstate->focused_inactive_child) {
701 colors = &config->border_colors.focused_inactive;
702 title_texture = child->title_focused_inactive;
703 marks_texture = view ? view->marks_focused_inactive : NULL;
704 } else {
705 colors = &config->border_colors.unfocused;
706 title_texture = child->title_unfocused;
707 marks_texture = view ? view->marks_unfocused : NULL;
708 }
709
710 int y = cstate->swayc_y + titlebar_height * i;
711 render_titlebar(output, damage, child, cstate->swayc_x, y,
712 cstate->swayc_width, colors, title_texture, marks_texture);
713
714 if (child == current) {
715 current_colors = colors;
716 }
717 }
718
719 // Render surface and left/right/bottom borders
720 if (current->type == C_VIEW) {
721 render_view(output, damage, current, current_colors);
722 } else {
723 render_container(output, damage, current,
724 parent_focused || current->current.focused);
725 }
726}
727
728static void render_container(struct sway_output *output,
729 pixman_region32_t *damage, struct sway_container *con,
730 bool parent_focused) {
731 switch (con->current.layout) {
732 case L_NONE:
733 case L_HORIZ:
734 case L_VERT:
735 render_container_simple(output, damage, con, parent_focused);
736 break;
737 case L_STACKED:
738 render_container_stacked(output, damage, con, parent_focused);
739 break;
740 case L_TABBED:
741 render_container_tabbed(output, damage, con, parent_focused);
742 break;
743 case L_FLOATING:
744 sway_assert(false, "Didn't expect to see floating here");
745 }
746}
747
748static void render_floating_container(struct sway_output *soutput,
749 pixman_region32_t *damage, struct sway_container *con) {
750 if (con->type == C_VIEW) {
751 struct sway_view *view = con->sway_view;
752 struct border_colors *colors;
753 struct wlr_texture *title_texture;
754 struct wlr_texture *marks_texture;
755
756 if (view_is_urgent(view)) {
757 colors = &config->border_colors.urgent;
758 title_texture = con->title_urgent;
759 marks_texture = view->marks_urgent;
760 } else if (con->current.focused) {
761 colors = &config->border_colors.focused;
762 title_texture = con->title_focused;
763 marks_texture = view->marks_focused;
764 } else {
765 colors = &config->border_colors.unfocused;
766 title_texture = con->title_unfocused;
767 marks_texture = view->marks_unfocused;
768 }
769
770 if (!view->using_csd) {
771 if (con->current.border == B_NORMAL) {
772 render_titlebar(soutput, damage, con, con->current.swayc_x,
773 con->current.swayc_y, con->current.swayc_width, colors,
774 title_texture, marks_texture);
775 } else if (con->current.border != B_NONE) {
776 render_top_border(soutput, damage, con, colors);
777 }
778 }
779 render_view(soutput, damage, con, colors);
780 } else {
781 render_container(soutput, damage, con, false);
782 }
783}
784
785static void render_floating(struct sway_output *soutput,
786 pixman_region32_t *damage) {
787 for (int i = 0; i < root_container.current.children->length; ++i) {
788 struct sway_container *output =
789 root_container.current.children->items[i];
790 for (int j = 0; j < output->current.children->length; ++j) {
791 struct sway_container *ws = output->current.children->items[j];
792 if (!workspace_is_visible(ws)) {
793 continue;
794 }
795 list_t *floating =
796 ws->current.ws_floating->current.children;
797 for (int k = 0; k < floating->length; ++k) {
798 struct sway_container *floater = floating->items[k];
799 render_floating_container(soutput, damage, floater);
800 }
801 }
802 }
803}
804
805const char *damage_debug = NULL;
806
807void output_render(struct sway_output *output, struct timespec *when,
808 pixman_region32_t *damage) {
809 struct wlr_output *wlr_output = output->wlr_output;
810
811 struct wlr_renderer *renderer =
812 wlr_backend_get_renderer(wlr_output->backend);
813 if (!sway_assert(renderer != NULL,
814 "expected the output backend to have a renderer")) {
815 return;
816 }
817
818 wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
819
820 bool damage_whole_before_swap = false;
821 if (!pixman_region32_not_empty(damage)) {
822 // Output isn't damaged but needs buffer swap
823 goto renderer_end;
824 }
825
826 if (damage_debug != NULL) {
827 if (strcmp(damage_debug, "highlight") == 0) {
828 wlr_renderer_clear(renderer, (float[]){1, 1, 0, 1});
829 damage_whole_before_swap = true;
830 } else if (strcmp(damage_debug, "rerender") == 0) {
831 int width, height;
832 wlr_output_transformed_resolution(wlr_output, &width, &height);
833 pixman_region32_union_rect(damage, damage, 0, 0, width, height);
834 }
835 }
836
837 struct sway_container *workspace = output_get_active_workspace(output);
838 struct sway_view *fullscreen_view = workspace->current.ws_fullscreen;
839 struct sway_seat *seat = input_manager_current_seat(input_manager);
840
841 if (output_has_opaque_lockscreen(output, seat) && seat->focused_layer) {
842 struct wlr_layer_surface *wlr_layer_surface = seat->focused_layer;
843 struct sway_layer_surface *sway_layer_surface =
844 layer_from_wlr_layer_surface(seat->focused_layer);
845 struct render_data data = {
846 .output = output,
847 .damage = damage,
848 .alpha = 1.0f,
849 };
850 output_surface_for_each_surface(wlr_layer_surface->surface,
851 sway_layer_surface->geo.x, sway_layer_surface->geo.y,
852 &data.root_geo, render_surface_iterator, &data);
853 } else if (fullscreen_view) {
854 float clear_color[] = {0.0f, 0.0f, 0.0f, 1.0f};
855
856 int nrects;
857 pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
858 for (int i = 0; i < nrects; ++i) {
859 scissor_output(wlr_output, &rects[i]);
860 wlr_renderer_clear(renderer, clear_color);
861 }
862
863 // TODO: handle views smaller than the output
864 if (fullscreen_view->swayc->instructions->length) {
865 render_saved_view(fullscreen_view, output, damage, 1.0f);
866 } else {
867 render_view_surfaces(fullscreen_view, output, damage, 1.0f);
868 }
869
870 if (fullscreen_view->type == SWAY_VIEW_XWAYLAND) {
871 render_unmanaged(output, damage,
872 &root_container.sway_root->xwayland_unmanaged);
873 }
874 } else {
875 float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
876
877 int nrects;
878 pixman_box32_t *rects = pixman_region32_rectangles(damage, &nrects);
879 for (int i = 0; i < nrects; ++i) {
880 scissor_output(wlr_output, &rects[i]);
881 wlr_renderer_clear(renderer, clear_color);
882 }
883
884 render_layer(output, damage,
885 &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
886 render_layer(output, damage,
887 &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
888
889 render_container(output, damage, workspace, workspace->current.focused);
890 render_floating(output, damage);
891
892 render_unmanaged(output, damage,
893 &root_container.sway_root->xwayland_unmanaged);
894 render_layer(output, damage,
895 &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
896 }
897 render_layer(output, damage,
898 &output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
899 render_drag_icons(output, damage, &root_container.sway_root->drag_icons);
900
901renderer_end:
902 if (root_container.sway_root->debug_tree) {
903 wlr_render_texture(renderer, root_container.sway_root->debug_tree,
904 wlr_output->transform_matrix, 0, 0, 1);
905 }
906
907 if (damage_whole_before_swap || root_container.sway_root->debug_tree) {
908 int width, height;
909 wlr_output_transformed_resolution(wlr_output, &width, &height);
910 pixman_region32_union_rect(damage, damage, 0, 0, width, height);
911 }
912
913 wlr_renderer_scissor(renderer, NULL);
914 wlr_renderer_end(renderer);
915 if (!wlr_output_damage_swap_buffers(output->damage, when, damage)) {
916 return;
917 }
918 output->last_frame = *when;
919}
generated by cgit v1.2.3-54-g00ecf (git 2.45.0) at 2024-05-09 05:35:27 +0000