1 /*
2 * Copyright © 2015 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <wayland-client.h>
25
26 #include <assert.h>
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <unistd.h>
30 #include <errno.h>
31 #include <string.h>
32 #include <pthread.h>
33 #include <poll.h>
34 #include <sys/mman.h>
35
36 #include "drm-uapi/drm_fourcc.h"
37
38 #include "vk_instance.h"
39 #include "vk_physical_device.h"
40 #include "vk_util.h"
41 #include "wsi_common_entrypoints.h"
42 #include "wsi_common_private.h"
43 #include "linux-dmabuf-unstable-v1-client-protocol.h"
44
45 #include <util/compiler.h>
46 #include <util/hash_table.h>
47 #include <util/timespec.h>
48 #include <util/u_vector.h>
49 #include <util/anon_file.h>
50
51 struct wsi_wayland;
52
53 struct wsi_wl_format {
54 VkFormat vk_format;
55 uint32_t has_alpha_format;
56 uint32_t has_opaque_format;
57 struct u_vector modifiers;
58 };
59
60 struct wsi_wl_display {
61 /* The real wl_display */
62 struct wl_display * wl_display;
63 /* Actually a proxy wrapper around the event queue */
64 struct wl_display * wl_display_wrapper;
65 struct wl_event_queue * queue;
66
67 struct wl_shm * wl_shm;
68 struct zwp_linux_dmabuf_v1 * wl_dmabuf;
69
70 struct wsi_wayland *wsi_wl;
71
72 /* Formats populated by zwp_linux_dmabuf_v1 or wl_shm interfaces */
73 struct u_vector formats;
74
75 /* Only used for displays created by wsi_wl_display_create */
76 uint32_t refcount;
77
78 bool sw;
79 };
80
81 struct wsi_wayland {
82 struct wsi_interface base;
83
84 struct wsi_device *wsi;
85
86 const VkAllocationCallbacks *alloc;
87 VkPhysicalDevice physical_device;
88 };
89
90 static struct wsi_wl_format *
find_format(struct u_vector * formats,VkFormat format)91 find_format(struct u_vector *formats, VkFormat format)
92 {
93 struct wsi_wl_format *f;
94
95 u_vector_foreach(f, formats)
96 if (f->vk_format == format)
97 return f;
98
99 return NULL;
100 }
101
102 static struct wsi_wl_format *
wsi_wl_display_add_vk_format(struct wsi_wl_display * display,struct u_vector * formats,VkFormat format,bool has_alpha_format,bool has_opaque_format)103 wsi_wl_display_add_vk_format(struct wsi_wl_display *display,
104 struct u_vector *formats,
105 VkFormat format,
106 bool has_alpha_format,
107 bool has_opaque_format)
108 {
109 /* Don't add a format that's already in the list */
110 struct wsi_wl_format *f = find_format(formats, format);
111 if (f) {
112 if (has_alpha_format)
113 f->has_alpha_format = true;
114 if (has_opaque_format)
115 f->has_opaque_format = true;
116 return f;
117 }
118
119 /* Don't add formats that aren't renderable. */
120 VkFormatProperties props;
121
122 display->wsi_wl->wsi->GetPhysicalDeviceFormatProperties(display->wsi_wl->physical_device,
123 format, &props);
124 if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
125 return NULL;
126
127 struct u_vector modifiers;
128 if (!u_vector_init_pow2(&modifiers, 4, sizeof(uint64_t)))
129 return NULL;
130
131 f = u_vector_add(formats);
132 if (!f) {
133 u_vector_finish(&modifiers);
134 return NULL;
135 }
136
137 f->vk_format = format;
138 f->has_alpha_format = has_alpha_format;
139 f->has_opaque_format = has_opaque_format;
140 f->modifiers = modifiers;
141
142 return f;
143 }
144
145 static void
wsi_wl_format_add_modifier(struct wsi_wl_format * format,uint64_t modifier)146 wsi_wl_format_add_modifier(struct wsi_wl_format *format, uint64_t modifier)
147 {
148 uint64_t *mod;
149
150 if (modifier == DRM_FORMAT_MOD_INVALID)
151 return;
152
153 u_vector_foreach(mod, &format->modifiers)
154 if (*mod == modifier)
155 return;
156
157 mod = u_vector_add(&format->modifiers);
158 if (mod)
159 *mod = modifier;
160 }
161
162 static void
wsi_wl_display_add_drm_format_modifier(struct wsi_wl_display * display,struct u_vector * formats,uint32_t drm_format,uint64_t modifier)163 wsi_wl_display_add_drm_format_modifier(struct wsi_wl_display *display,
164 struct u_vector *formats,
165 uint32_t drm_format, uint64_t modifier)
166 {
167 struct wsi_wl_format *format = NULL, *srgb_format = NULL;
168
169 switch (drm_format) {
170 #if 0
171 /* TODO: These are only available when VK_EXT_4444_formats is enabled, so
172 * we probably need to make their use conditional on this extension. */
173 case DRM_FORMAT_ARGB4444:
174 format = wsi_wl_display_add_vk_format(display, formats,
175 VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT,
176 true, false);
177 break;
178 case DRM_FORMAT_XRGB4444:
179 format = wsi_wl_display_add_vk_format(display, formats,
180 VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT,
181 false, true);
182 break;
183 case DRM_FORMAT_ABGR4444:
184 format = wsi_wl_display_add_vk_format(display, formats,
185 VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT,
186 true, false);
187 break;
188 case DRM_FORMAT_XBGR4444:
189 format = wsi_wl_display_add_vk_format(display, formats,
190 VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT,
191 false, true);
192 break;
193 #endif
194
195 /* Vulkan _PACKN formats have the same component order as DRM formats
196 * on little endian systems, on big endian there exists no analog. */
197 #if MESA_LITTLE_ENDIAN
198 case DRM_FORMAT_RGBA4444:
199 format = wsi_wl_display_add_vk_format(display, formats,
200 VK_FORMAT_R4G4B4A4_UNORM_PACK16,
201 true, false);
202 break;
203 case DRM_FORMAT_RGBX4444:
204 format = wsi_wl_display_add_vk_format(display, formats,
205 VK_FORMAT_R4G4B4A4_UNORM_PACK16,
206 false, true);
207 break;
208 case DRM_FORMAT_BGRA4444:
209 format = wsi_wl_display_add_vk_format(display, formats,
210 VK_FORMAT_B4G4R4A4_UNORM_PACK16,
211 true, false);
212 break;
213 case DRM_FORMAT_BGRX4444:
214 format = wsi_wl_display_add_vk_format(display, formats,
215 VK_FORMAT_B4G4R4A4_UNORM_PACK16,
216 false, true);
217 break;
218 case DRM_FORMAT_RGB565:
219 format = wsi_wl_display_add_vk_format(display, formats,
220 VK_FORMAT_R5G6B5_UNORM_PACK16,
221 true, true);
222 break;
223 case DRM_FORMAT_BGR565:
224 format = wsi_wl_display_add_vk_format(display, formats,
225 VK_FORMAT_B5G6R5_UNORM_PACK16,
226 true, true);
227 break;
228 case DRM_FORMAT_ARGB1555:
229 format = wsi_wl_display_add_vk_format(display, formats,
230 VK_FORMAT_A1R5G5B5_UNORM_PACK16,
231 true, false);
232 break;
233 case DRM_FORMAT_XRGB1555:
234 format = wsi_wl_display_add_vk_format(display, formats,
235 VK_FORMAT_A1R5G5B5_UNORM_PACK16,
236 false, true);
237 break;
238 case DRM_FORMAT_RGBA5551:
239 format = wsi_wl_display_add_vk_format(display, formats,
240 VK_FORMAT_R5G5B5A1_UNORM_PACK16,
241 true, false);
242 break;
243 case DRM_FORMAT_RGBX5551:
244 format = wsi_wl_display_add_vk_format(display, formats,
245 VK_FORMAT_R5G5B5A1_UNORM_PACK16,
246 false, true);
247 break;
248 case DRM_FORMAT_BGRA5551:
249 format = wsi_wl_display_add_vk_format(display, formats,
250 VK_FORMAT_B5G5R5A1_UNORM_PACK16,
251 true, false);
252 break;
253 case DRM_FORMAT_BGRX5551:
254 format = wsi_wl_display_add_vk_format(display, formats,
255 VK_FORMAT_B5G5R5A1_UNORM_PACK16,
256 false, true);
257 break;
258 case DRM_FORMAT_ARGB2101010:
259 format = wsi_wl_display_add_vk_format(display, formats,
260 VK_FORMAT_A2R10G10B10_UNORM_PACK32,
261 true, false);
262 break;
263 case DRM_FORMAT_XRGB2101010:
264 format = wsi_wl_display_add_vk_format(display, formats,
265 VK_FORMAT_A2R10G10B10_UNORM_PACK32,
266 false, true);
267 break;
268 case DRM_FORMAT_ABGR2101010:
269 format = wsi_wl_display_add_vk_format(display, formats,
270 VK_FORMAT_A2B10G10R10_UNORM_PACK32,
271 true, false);
272 break;
273 case DRM_FORMAT_XBGR2101010:
274 format = wsi_wl_display_add_vk_format(display, formats,
275 VK_FORMAT_A2B10G10R10_UNORM_PACK32,
276 false, true);
277 break;
278 #endif
279
280 /* Non-packed 8-bit formats have an inverted channel order compared to the
281 * little endian DRM formats, because the DRM channel ordering is high->low
282 * but the vulkan channel ordering is in memory byte order
283 *
284 * For all UNORM formats which have a SRGB variant, we must support both if
285 * we can. SRGB in this context means that rendering to it will result in a
286 * linear -> nonlinear SRGB colorspace conversion before the data is stored.
287 * The inverse function is applied when sampling from SRGB images.
288 * From Wayland's perspective nothing changes, the difference is just how
289 * Vulkan interprets the pixel data. */
290 case DRM_FORMAT_XBGR8888:
291 srgb_format = wsi_wl_display_add_vk_format(display, formats,
292 VK_FORMAT_R8G8B8_SRGB,
293 true, true);
294 format = wsi_wl_display_add_vk_format(display, formats,
295 VK_FORMAT_R8G8B8_UNORM,
296 true, true);
297 if (format)
298 wsi_wl_format_add_modifier(format, modifier);
299 if (srgb_format)
300 wsi_wl_format_add_modifier(srgb_format, modifier);
301
302 srgb_format = wsi_wl_display_add_vk_format(display, formats,
303 VK_FORMAT_R8G8B8A8_SRGB,
304 false, true);
305 format = wsi_wl_display_add_vk_format(display, formats,
306 VK_FORMAT_R8G8B8A8_UNORM,
307 false, true);
308 break;
309 case DRM_FORMAT_ABGR8888:
310 srgb_format = wsi_wl_display_add_vk_format(display, formats,
311 VK_FORMAT_R8G8B8A8_SRGB,
312 true, false);
313 format = wsi_wl_display_add_vk_format(display, formats,
314 VK_FORMAT_R8G8B8A8_UNORM,
315 true, false);
316 break;
317 case DRM_FORMAT_XRGB8888:
318 srgb_format = wsi_wl_display_add_vk_format(display, formats,
319 VK_FORMAT_B8G8R8_SRGB,
320 true, true);
321 format = wsi_wl_display_add_vk_format(display, formats,
322 VK_FORMAT_B8G8R8_UNORM,
323 true, true);
324 if (format)
325 wsi_wl_format_add_modifier(format, modifier);
326 if (srgb_format)
327 wsi_wl_format_add_modifier(srgb_format, modifier);
328
329 srgb_format = wsi_wl_display_add_vk_format(display, formats,
330 VK_FORMAT_B8G8R8A8_SRGB,
331 false, true);
332 format = wsi_wl_display_add_vk_format(display, formats,
333 VK_FORMAT_B8G8R8A8_UNORM,
334 false, true);
335 break;
336 case DRM_FORMAT_ARGB8888:
337 srgb_format = wsi_wl_display_add_vk_format(display, formats,
338 VK_FORMAT_B8G8R8A8_SRGB,
339 true, false);
340 format = wsi_wl_display_add_vk_format(display, formats,
341 VK_FORMAT_B8G8R8A8_UNORM,
342 true, false);
343 break;
344 }
345
346 if (format)
347 wsi_wl_format_add_modifier(format, modifier);
348 if (srgb_format)
349 wsi_wl_format_add_modifier(srgb_format, modifier);
350 }
351
352 static void
wsi_wl_display_add_wl_shm_format(struct wsi_wl_display * display,struct u_vector * formats,uint32_t wl_shm_format)353 wsi_wl_display_add_wl_shm_format(struct wsi_wl_display *display,
354 struct u_vector *formats,
355 uint32_t wl_shm_format)
356 {
357 switch (wl_shm_format) {
358 case WL_SHM_FORMAT_XBGR8888:
359 wsi_wl_display_add_vk_format(display, formats,
360 VK_FORMAT_R8G8B8_SRGB,
361 true, true);
362 wsi_wl_display_add_vk_format(display, formats,
363 VK_FORMAT_R8G8B8_UNORM,
364 true, true);
365 wsi_wl_display_add_vk_format(display, formats,
366 VK_FORMAT_R8G8B8A8_SRGB,
367 false, true);
368 wsi_wl_display_add_vk_format(display, formats,
369 VK_FORMAT_R8G8B8A8_UNORM,
370 false, true);
371 break;
372 case WL_SHM_FORMAT_ABGR8888:
373 wsi_wl_display_add_vk_format(display, formats,
374 VK_FORMAT_R8G8B8A8_SRGB,
375 true, false);
376 wsi_wl_display_add_vk_format(display, formats,
377 VK_FORMAT_R8G8B8A8_UNORM,
378 true, false);
379 break;
380 case WL_SHM_FORMAT_XRGB8888:
381 wsi_wl_display_add_vk_format(display, formats,
382 VK_FORMAT_B8G8R8_SRGB,
383 true, true);
384 wsi_wl_display_add_vk_format(display, formats,
385 VK_FORMAT_B8G8R8_UNORM,
386 true, true);
387 wsi_wl_display_add_vk_format(display, formats,
388 VK_FORMAT_B8G8R8A8_SRGB,
389 false, true);
390 wsi_wl_display_add_vk_format(display, formats,
391 VK_FORMAT_B8G8R8A8_UNORM,
392 false, true);
393 break;
394 case WL_SHM_FORMAT_ARGB8888:
395 wsi_wl_display_add_vk_format(display, formats,
396 VK_FORMAT_B8G8R8A8_SRGB,
397 true, false);
398 wsi_wl_display_add_vk_format(display, formats,
399 VK_FORMAT_B8G8R8A8_UNORM,
400 true, false);
401 break;
402 }
403 }
404
405 static uint32_t
wl_drm_format_for_vk_format(VkFormat vk_format,bool alpha)406 wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
407 {
408 switch (vk_format) {
409 #if 0
410 case VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT:
411 return alpha ? DRM_FORMAT_ARGB4444 : DRM_FORMAT_XRGB4444;
412 case VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT:
413 return alpha ? DRM_FORMAT_ABGR4444 : DRM_FORMAT_XBGR4444;
414 #endif
415 #if MESA_LITTLE_ENDIAN
416 case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
417 return alpha ? DRM_FORMAT_RGBA4444 : DRM_FORMAT_RGBX4444;
418 case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
419 return alpha ? DRM_FORMAT_BGRA4444 : DRM_FORMAT_BGRX4444;
420 case VK_FORMAT_R5G6B5_UNORM_PACK16:
421 return DRM_FORMAT_RGB565;
422 case VK_FORMAT_B5G6R5_UNORM_PACK16:
423 return DRM_FORMAT_BGR565;
424 case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
425 return alpha ? DRM_FORMAT_ARGB1555 : DRM_FORMAT_XRGB1555;
426 case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
427 return alpha ? DRM_FORMAT_RGBA5551 : DRM_FORMAT_RGBX5551;
428 case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
429 return alpha ? DRM_FORMAT_BGRA5551 : DRM_FORMAT_BGRX5551;
430 case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
431 return alpha ? DRM_FORMAT_ARGB2101010 : DRM_FORMAT_XRGB2101010;
432 case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
433 return alpha ? DRM_FORMAT_ABGR2101010 : DRM_FORMAT_XBGR2101010;
434 #endif
435 case VK_FORMAT_R8G8B8_UNORM:
436 case VK_FORMAT_R8G8B8_SRGB:
437 return DRM_FORMAT_XBGR8888;
438 case VK_FORMAT_R8G8B8A8_UNORM:
439 case VK_FORMAT_R8G8B8A8_SRGB:
440 return alpha ? DRM_FORMAT_ABGR8888 : DRM_FORMAT_XBGR8888;
441 case VK_FORMAT_B8G8R8_UNORM:
442 case VK_FORMAT_B8G8R8_SRGB:
443 return DRM_FORMAT_BGRX8888;
444 case VK_FORMAT_B8G8R8A8_UNORM:
445 case VK_FORMAT_B8G8R8A8_SRGB:
446 return alpha ? DRM_FORMAT_ARGB8888 : DRM_FORMAT_XRGB8888;
447
448 default:
449 assert(!"Unsupported Vulkan format");
450 return 0;
451 }
452 }
453
454 static uint32_t
wl_shm_format_for_vk_format(VkFormat vk_format,bool alpha)455 wl_shm_format_for_vk_format(VkFormat vk_format, bool alpha)
456 {
457 switch (vk_format) {
458 case VK_FORMAT_R8G8B8A8_UNORM:
459 case VK_FORMAT_R8G8B8A8_SRGB:
460 return alpha ? WL_SHM_FORMAT_ABGR8888 : WL_SHM_FORMAT_XBGR8888;
461 case VK_FORMAT_B8G8R8A8_UNORM:
462 case VK_FORMAT_B8G8R8A8_SRGB:
463 return alpha ? WL_SHM_FORMAT_ARGB8888 : WL_SHM_FORMAT_XRGB8888;
464 case VK_FORMAT_R8G8B8_UNORM:
465 case VK_FORMAT_R8G8B8_SRGB:
466 return WL_SHM_FORMAT_XBGR8888;
467 case VK_FORMAT_B8G8R8_UNORM:
468 case VK_FORMAT_B8G8R8_SRGB:
469 return WL_SHM_FORMAT_XRGB8888;
470
471 default:
472 assert(!"Unsupported Vulkan format");
473 return 0;
474 }
475 }
476
477 static void
dmabuf_handle_format(void * data,struct zwp_linux_dmabuf_v1 * dmabuf,uint32_t format)478 dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
479 uint32_t format)
480 {
481 /* Formats are implicitly advertised by the modifier event, so we ignore
482 * them here. */
483 }
484
485 static void
dmabuf_handle_modifier(void * data,struct zwp_linux_dmabuf_v1 * dmabuf,uint32_t format,uint32_t modifier_hi,uint32_t modifier_lo)486 dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf,
487 uint32_t format, uint32_t modifier_hi,
488 uint32_t modifier_lo)
489 {
490 struct wsi_wl_display *display = data;
491 uint64_t modifier;
492
493 modifier = ((uint64_t) modifier_hi << 32) | modifier_lo;
494 wsi_wl_display_add_drm_format_modifier(display, &display->formats,
495 format, modifier);
496 }
497
498 static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = {
499 dmabuf_handle_format,
500 dmabuf_handle_modifier,
501 };
502
503 static void
shm_handle_format(void * data,struct wl_shm * shm,uint32_t format)504 shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
505 {
506 struct wsi_wl_display *display = data;
507
508 wsi_wl_display_add_wl_shm_format(display, &display->formats, format);
509 }
510
511 static const struct wl_shm_listener shm_listener = {
512 .format = shm_handle_format
513 };
514
515 static void
registry_handle_global(void * data,struct wl_registry * registry,uint32_t name,const char * interface,uint32_t version)516 registry_handle_global(void *data, struct wl_registry *registry,
517 uint32_t name, const char *interface, uint32_t version)
518 {
519 struct wsi_wl_display *display = data;
520
521 if (display->sw) {
522 if (strcmp(interface, "wl_shm") == 0) {
523 display->wl_shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
524 wl_shm_add_listener(display->wl_shm, &shm_listener, display);
525 }
526 return;
527 }
528
529 if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version >= 3) {
530 display->wl_dmabuf =
531 wl_registry_bind(registry, name, &zwp_linux_dmabuf_v1_interface, 3);
532 zwp_linux_dmabuf_v1_add_listener(display->wl_dmabuf,
533 &dmabuf_listener, display);
534 }
535 }
536
537 static void
registry_handle_global_remove(void * data,struct wl_registry * registry,uint32_t name)538 registry_handle_global_remove(void *data, struct wl_registry *registry,
539 uint32_t name)
540 { /* No-op */ }
541
542 static const struct wl_registry_listener registry_listener = {
543 registry_handle_global,
544 registry_handle_global_remove
545 };
546
547 static void
wsi_wl_display_finish(struct wsi_wl_display * display)548 wsi_wl_display_finish(struct wsi_wl_display *display)
549 {
550 assert(display->refcount == 0);
551
552 struct wsi_wl_format *f;
553 u_vector_foreach(f, &display->formats)
554 u_vector_finish(&f->modifiers);
555 u_vector_finish(&display->formats);
556 if (display->wl_shm)
557 wl_shm_destroy(display->wl_shm);
558 if (display->wl_dmabuf)
559 zwp_linux_dmabuf_v1_destroy(display->wl_dmabuf);
560 if (display->wl_display_wrapper)
561 wl_proxy_wrapper_destroy(display->wl_display_wrapper);
562 if (display->queue)
563 wl_event_queue_destroy(display->queue);
564 }
565
566 static VkResult
wsi_wl_display_init(struct wsi_wayland * wsi_wl,struct wsi_wl_display * display,struct wl_display * wl_display,bool get_format_list,bool sw)567 wsi_wl_display_init(struct wsi_wayland *wsi_wl,
568 struct wsi_wl_display *display,
569 struct wl_display *wl_display,
570 bool get_format_list, bool sw)
571 {
572 VkResult result = VK_SUCCESS;
573 memset(display, 0, sizeof(*display));
574
575 if (!u_vector_init(&display->formats, 8, sizeof(struct wsi_wl_format)))
576 return VK_ERROR_OUT_OF_HOST_MEMORY;
577
578 display->wsi_wl = wsi_wl;
579 display->wl_display = wl_display;
580 display->sw = sw;
581
582 display->queue = wl_display_create_queue(wl_display);
583 if (!display->queue) {
584 result = VK_ERROR_OUT_OF_HOST_MEMORY;
585 goto fail;
586 }
587
588 display->wl_display_wrapper = wl_proxy_create_wrapper(wl_display);
589 if (!display->wl_display_wrapper) {
590 result = VK_ERROR_OUT_OF_HOST_MEMORY;
591 goto fail;
592 }
593
594 wl_proxy_set_queue((struct wl_proxy *) display->wl_display_wrapper,
595 display->queue);
596
597 struct wl_registry *registry =
598 wl_display_get_registry(display->wl_display_wrapper);
599 if (!registry) {
600 result = VK_ERROR_OUT_OF_HOST_MEMORY;
601 goto fail;
602 }
603
604 wl_registry_add_listener(registry, ®istry_listener, display);
605
606 /* Round-trip to get wl_shm and zwp_linux_dmabuf_v1 globals */
607 wl_display_roundtrip_queue(display->wl_display, display->queue);
608 if (!display->wl_dmabuf && !display->wl_shm) {
609 result = VK_ERROR_SURFACE_LOST_KHR;
610 goto fail_registry;
611 }
612
613 /* Caller doesn't expect us to query formats/modifiers, so return */
614 if (!get_format_list)
615 goto out;
616
617 /* Round-trip again to get formats and modifiers */
618 wl_display_roundtrip_queue(display->wl_display, display->queue);
619
620 if (wsi_wl->wsi->force_bgra8_unorm_first) {
621 /* Find BGRA8_UNORM in the list and swap it to the first position if we
622 * can find it. Some apps get confused if SRGB is first in the list.
623 */
624 struct wsi_wl_format *first_fmt = u_vector_head(&display->formats);
625 struct wsi_wl_format *f, tmp_fmt;
626 f = find_format(&display->formats, VK_FORMAT_B8G8R8A8_UNORM);
627 if (f) {
628 tmp_fmt = *f;
629 *f = *first_fmt;
630 *first_fmt = tmp_fmt;
631 }
632 }
633
634 out:
635 /* We don't need this anymore */
636 wl_registry_destroy(registry);
637
638 display->refcount = 0;
639
640 return VK_SUCCESS;
641
642 fail_registry:
643 if (registry)
644 wl_registry_destroy(registry);
645
646 fail:
647 wsi_wl_display_finish(display);
648 return result;
649 }
650
651 static VkResult
wsi_wl_display_create(struct wsi_wayland * wsi,struct wl_display * wl_display,bool sw,struct wsi_wl_display ** display_out)652 wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display,
653 bool sw,
654 struct wsi_wl_display **display_out)
655 {
656 struct wsi_wl_display *display =
657 vk_alloc(wsi->alloc, sizeof(*display), 8,
658 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
659 if (!display)
660 return VK_ERROR_OUT_OF_HOST_MEMORY;
661
662 VkResult result = wsi_wl_display_init(wsi, display, wl_display, true,
663 sw);
664 if (result != VK_SUCCESS) {
665 vk_free(wsi->alloc, display);
666 return result;
667 }
668
669 display->refcount++;
670 *display_out = display;
671
672 return result;
673 }
674
675 static struct wsi_wl_display *
wsi_wl_display_ref(struct wsi_wl_display * display)676 wsi_wl_display_ref(struct wsi_wl_display *display)
677 {
678 display->refcount++;
679 return display;
680 }
681
682 static void
wsi_wl_display_unref(struct wsi_wl_display * display)683 wsi_wl_display_unref(struct wsi_wl_display *display)
684 {
685 if (display->refcount-- > 1)
686 return;
687
688 struct wsi_wayland *wsi = display->wsi_wl;
689 wsi_wl_display_finish(display);
690 vk_free(wsi->alloc, display);
691 }
692
693 VKAPI_ATTR VkBool32 VKAPI_CALL
wsi_GetPhysicalDeviceWaylandPresentationSupportKHR(VkPhysicalDevice physicalDevice,uint32_t queueFamilyIndex,struct wl_display * wl_display)694 wsi_GetPhysicalDeviceWaylandPresentationSupportKHR(VkPhysicalDevice physicalDevice,
695 uint32_t queueFamilyIndex,
696 struct wl_display *wl_display)
697 {
698 VK_FROM_HANDLE(vk_physical_device, pdevice, physicalDevice);
699 struct wsi_device *wsi_device = pdevice->wsi_device;
700 struct wsi_wayland *wsi =
701 (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
702
703 struct wsi_wl_display display;
704 VkResult ret = wsi_wl_display_init(wsi, &display, wl_display, false,
705 wsi_device->sw);
706 if (ret == VK_SUCCESS)
707 wsi_wl_display_finish(&display);
708
709 return ret == VK_SUCCESS;
710 }
711
712 static VkResult
wsi_wl_surface_get_support(VkIcdSurfaceBase * surface,struct wsi_device * wsi_device,uint32_t queueFamilyIndex,VkBool32 * pSupported)713 wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
714 struct wsi_device *wsi_device,
715 uint32_t queueFamilyIndex,
716 VkBool32* pSupported)
717 {
718 *pSupported = true;
719
720 return VK_SUCCESS;
721 }
722
723 static const VkPresentModeKHR present_modes[] = {
724 VK_PRESENT_MODE_MAILBOX_KHR,
725 VK_PRESENT_MODE_FIFO_KHR,
726 };
727
728 static VkResult
wsi_wl_surface_get_capabilities(VkIcdSurfaceBase * surface,struct wsi_device * wsi_device,VkSurfaceCapabilitiesKHR * caps)729 wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
730 struct wsi_device *wsi_device,
731 VkSurfaceCapabilitiesKHR* caps)
732 {
733 /* For true mailbox mode, we need at least 4 images:
734 * 1) One to scan out from
735 * 2) One to have queued for scan-out
736 * 3) One to be currently held by the Wayland compositor
737 * 4) One to render to
738 */
739 caps->minImageCount = 4;
740 /* There is no real maximum */
741 caps->maxImageCount = 0;
742
743 caps->currentExtent = (VkExtent2D) { UINT32_MAX, UINT32_MAX };
744 caps->minImageExtent = (VkExtent2D) { 1, 1 };
745 caps->maxImageExtent = (VkExtent2D) {
746 wsi_device->maxImageDimension2D,
747 wsi_device->maxImageDimension2D,
748 };
749
750 caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
751 caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
752 caps->maxImageArrayLayers = 1;
753
754 caps->supportedCompositeAlpha =
755 VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
756 VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
757
758 caps->supportedUsageFlags =
759 VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
760 VK_IMAGE_USAGE_SAMPLED_BIT |
761 VK_IMAGE_USAGE_TRANSFER_DST_BIT |
762 VK_IMAGE_USAGE_STORAGE_BIT |
763 VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
764
765 return VK_SUCCESS;
766 }
767
768 static VkResult
wsi_wl_surface_get_capabilities2(VkIcdSurfaceBase * surface,struct wsi_device * wsi_device,const void * info_next,VkSurfaceCapabilities2KHR * caps)769 wsi_wl_surface_get_capabilities2(VkIcdSurfaceBase *surface,
770 struct wsi_device *wsi_device,
771 const void *info_next,
772 VkSurfaceCapabilities2KHR* caps)
773 {
774 assert(caps->sType == VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR);
775
776 VkResult result =
777 wsi_wl_surface_get_capabilities(surface, wsi_device,
778 &caps->surfaceCapabilities);
779
780 vk_foreach_struct(ext, caps->pNext) {
781 switch (ext->sType) {
782 case VK_STRUCTURE_TYPE_SURFACE_PROTECTED_CAPABILITIES_KHR: {
783 VkSurfaceProtectedCapabilitiesKHR *protected = (void *)ext;
784 protected->supportsProtected = VK_FALSE;
785 break;
786 }
787
788 default:
789 /* Ignored */
790 break;
791 }
792 }
793
794 return result;
795 }
796
797 static VkResult
wsi_wl_surface_get_formats(VkIcdSurfaceBase * icd_surface,struct wsi_device * wsi_device,uint32_t * pSurfaceFormatCount,VkSurfaceFormatKHR * pSurfaceFormats)798 wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
799 struct wsi_device *wsi_device,
800 uint32_t* pSurfaceFormatCount,
801 VkSurfaceFormatKHR* pSurfaceFormats)
802 {
803 VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
804 struct wsi_wayland *wsi =
805 (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
806
807 struct wsi_wl_display display;
808 if (wsi_wl_display_init(wsi, &display, surface->display, true,
809 wsi_device->sw))
810 return VK_ERROR_SURFACE_LOST_KHR;
811
812 VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount);
813
814 struct wsi_wl_format *disp_fmt;
815 u_vector_foreach(disp_fmt, &display.formats) {
816 /* Skip formats for which we can't support both alpha & opaque
817 * formats.
818 */
819 if (!disp_fmt->has_opaque_format ||
820 !disp_fmt->has_alpha_format)
821 continue;
822
823 vk_outarray_append(&out, out_fmt) {
824 out_fmt->format = disp_fmt->vk_format;
825 out_fmt->colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
826 }
827 }
828
829 wsi_wl_display_finish(&display);
830
831 return vk_outarray_status(&out);
832 }
833
834 static VkResult
wsi_wl_surface_get_formats2(VkIcdSurfaceBase * icd_surface,struct wsi_device * wsi_device,const void * info_next,uint32_t * pSurfaceFormatCount,VkSurfaceFormat2KHR * pSurfaceFormats)835 wsi_wl_surface_get_formats2(VkIcdSurfaceBase *icd_surface,
836 struct wsi_device *wsi_device,
837 const void *info_next,
838 uint32_t* pSurfaceFormatCount,
839 VkSurfaceFormat2KHR* pSurfaceFormats)
840 {
841 VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
842 struct wsi_wayland *wsi =
843 (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
844
845 struct wsi_wl_display display;
846 if (wsi_wl_display_init(wsi, &display, surface->display, true,
847 wsi_device->sw))
848 return VK_ERROR_SURFACE_LOST_KHR;
849
850 VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount);
851
852 struct wsi_wl_format *disp_fmt;
853 u_vector_foreach(disp_fmt, &display.formats) {
854 /* Skip formats for which we can't support both alpha & opaque
855 * formats.
856 */
857 if (!disp_fmt->has_opaque_format ||
858 !disp_fmt->has_alpha_format)
859 continue;
860
861 vk_outarray_append(&out, out_fmt) {
862 out_fmt->surfaceFormat.format = disp_fmt->vk_format;
863 out_fmt->surfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
864 }
865 }
866
867 wsi_wl_display_finish(&display);
868
869 return vk_outarray_status(&out);
870 }
871
872 static VkResult
wsi_wl_surface_get_present_modes(VkIcdSurfaceBase * surface,uint32_t * pPresentModeCount,VkPresentModeKHR * pPresentModes)873 wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
874 uint32_t* pPresentModeCount,
875 VkPresentModeKHR* pPresentModes)
876 {
877 if (pPresentModes == NULL) {
878 *pPresentModeCount = ARRAY_SIZE(present_modes);
879 return VK_SUCCESS;
880 }
881
882 *pPresentModeCount = MIN2(*pPresentModeCount, ARRAY_SIZE(present_modes));
883 typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
884
885 if (*pPresentModeCount < ARRAY_SIZE(present_modes))
886 return VK_INCOMPLETE;
887 else
888 return VK_SUCCESS;
889 }
890
891 static VkResult
wsi_wl_surface_get_present_rectangles(VkIcdSurfaceBase * surface,struct wsi_device * wsi_device,uint32_t * pRectCount,VkRect2D * pRects)892 wsi_wl_surface_get_present_rectangles(VkIcdSurfaceBase *surface,
893 struct wsi_device *wsi_device,
894 uint32_t* pRectCount,
895 VkRect2D* pRects)
896 {
897 VK_OUTARRAY_MAKE(out, pRects, pRectCount);
898
899 vk_outarray_append(&out, rect) {
900 /* We don't know a size so just return the usual "I don't know." */
901 *rect = (VkRect2D) {
902 .offset = { 0, 0 },
903 .extent = { UINT32_MAX, UINT32_MAX },
904 };
905 }
906
907 return vk_outarray_status(&out);
908 }
909
910 VKAPI_ATTR VkResult VKAPI_CALL
wsi_CreateWaylandSurfaceKHR(VkInstance _instance,const VkWaylandSurfaceCreateInfoKHR * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkSurfaceKHR * pSurface)911 wsi_CreateWaylandSurfaceKHR(VkInstance _instance,
912 const VkWaylandSurfaceCreateInfoKHR *pCreateInfo,
913 const VkAllocationCallbacks *pAllocator,
914 VkSurfaceKHR *pSurface)
915 {
916 VK_FROM_HANDLE(vk_instance, instance, _instance);
917 VkIcdSurfaceWayland *surface;
918
919 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
920
921 surface = vk_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
922 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
923 if (surface == NULL)
924 return VK_ERROR_OUT_OF_HOST_MEMORY;
925
926 surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
927 surface->display = pCreateInfo->display;
928 surface->surface = pCreateInfo->surface;
929
930 *pSurface = VkIcdSurfaceBase_to_handle(&surface->base);
931
932 return VK_SUCCESS;
933 }
934
935 struct wsi_wl_image {
936 struct wsi_image base;
937 struct wl_buffer * buffer;
938 bool busy;
939 void * data_ptr;
940 uint32_t data_size;
941 };
942
943 struct wsi_wl_swapchain {
944 struct wsi_swapchain base;
945
946 struct wsi_wl_display *display;
947
948 struct wl_surface * surface;
949
950 struct wl_callback * frame;
951
952 VkExtent2D extent;
953 VkFormat vk_format;
954 uint32_t drm_format;
955 uint32_t shm_format;
956
957 uint32_t num_drm_modifiers;
958 const uint64_t * drm_modifiers;
959
960 VkPresentModeKHR present_mode;
961 bool fifo_ready;
962
963 struct wsi_wl_image images[0];
964 };
965 VK_DEFINE_NONDISP_HANDLE_CASTS(wsi_wl_swapchain, base.base, VkSwapchainKHR,
966 VK_OBJECT_TYPE_SWAPCHAIN_KHR)
967
968 static struct wsi_image *
wsi_wl_swapchain_get_wsi_image(struct wsi_swapchain * wsi_chain,uint32_t image_index)969 wsi_wl_swapchain_get_wsi_image(struct wsi_swapchain *wsi_chain,
970 uint32_t image_index)
971 {
972 struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
973 return &chain->images[image_index].base;
974 }
975
976 static VkResult
wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain * wsi_chain,const VkAcquireNextImageInfoKHR * info,uint32_t * image_index)977 wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain *wsi_chain,
978 const VkAcquireNextImageInfoKHR *info,
979 uint32_t *image_index)
980 {
981 struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
982 struct timespec start_time, end_time;
983 struct timespec rel_timeout;
984 int wl_fd = wl_display_get_fd(chain->display->wl_display);
985
986 timespec_from_nsec(&rel_timeout, info->timeout);
987
988 clock_gettime(CLOCK_MONOTONIC, &start_time);
989 timespec_add(&end_time, &rel_timeout, &start_time);
990
991 while (1) {
992 /* Try to dispatch potential events. */
993 int ret = wl_display_dispatch_queue_pending(chain->display->wl_display,
994 chain->display->queue);
995 if (ret < 0)
996 return VK_ERROR_OUT_OF_DATE_KHR;
997
998 /* Try to find a free image. */
999 for (uint32_t i = 0; i < chain->base.image_count; i++) {
1000 if (!chain->images[i].busy) {
1001 /* We found a non-busy image */
1002 *image_index = i;
1003 chain->images[i].busy = true;
1004 return VK_SUCCESS;
1005 }
1006 }
1007
1008 /* Check for timeout. */
1009 struct timespec current_time;
1010 clock_gettime(CLOCK_MONOTONIC, ¤t_time);
1011 if (timespec_after(¤t_time, &end_time))
1012 return VK_NOT_READY;
1013
1014 /* Try to read events from the server. */
1015 ret = wl_display_prepare_read_queue(chain->display->wl_display,
1016 chain->display->queue);
1017 if (ret < 0) {
1018 /* Another thread might have read events for our queue already. Go
1019 * back to dispatch them.
1020 */
1021 if (errno == EAGAIN)
1022 continue;
1023 return VK_ERROR_OUT_OF_DATE_KHR;
1024 }
1025
1026 struct pollfd pollfd = {
1027 .fd = wl_fd,
1028 .events = POLLIN
1029 };
1030 timespec_sub(&rel_timeout, &end_time, ¤t_time);
1031 ret = ppoll(&pollfd, 1, &rel_timeout, NULL);
1032 if (ret <= 0) {
1033 int lerrno = errno;
1034 wl_display_cancel_read(chain->display->wl_display);
1035 if (ret < 0) {
1036 /* If ppoll() was interrupted, try again. */
1037 if (lerrno == EINTR || lerrno == EAGAIN)
1038 continue;
1039 return VK_ERROR_OUT_OF_DATE_KHR;
1040 }
1041 assert(ret == 0);
1042 continue;
1043 }
1044
1045 ret = wl_display_read_events(chain->display->wl_display);
1046 if (ret < 0)
1047 return VK_ERROR_OUT_OF_DATE_KHR;
1048 }
1049 }
1050
1051 static void
frame_handle_done(void * data,struct wl_callback * callback,uint32_t serial)1052 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
1053 {
1054 struct wsi_wl_swapchain *chain = data;
1055
1056 chain->frame = NULL;
1057 chain->fifo_ready = true;
1058
1059 wl_callback_destroy(callback);
1060 }
1061
1062 static const struct wl_callback_listener frame_listener = {
1063 frame_handle_done,
1064 };
1065
1066 static VkResult
wsi_wl_swapchain_queue_present(struct wsi_swapchain * wsi_chain,uint32_t image_index,const VkPresentRegionKHR * damage)1067 wsi_wl_swapchain_queue_present(struct wsi_swapchain *wsi_chain,
1068 uint32_t image_index,
1069 const VkPresentRegionKHR *damage)
1070 {
1071 struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
1072
1073 if (chain->display->sw) {
1074 struct wsi_wl_image *image = &chain->images[image_index];
1075 void *dptr = image->data_ptr;
1076 void *sptr;
1077 chain->base.wsi->MapMemory(chain->base.device,
1078 image->base.memory,
1079 0, 0, 0, &sptr);
1080
1081 for (unsigned r = 0; r < chain->extent.height; r++) {
1082 memcpy(dptr, sptr, image->base.row_pitches[0]);
1083 dptr += image->base.row_pitches[0];
1084 sptr += image->base.row_pitches[0];
1085 }
1086 chain->base.wsi->UnmapMemory(chain->base.device,
1087 image->base.memory);
1088
1089 }
1090 if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
1091 while (!chain->fifo_ready) {
1092 int ret = wl_display_dispatch_queue(chain->display->wl_display,
1093 chain->display->queue);
1094 if (ret < 0)
1095 return VK_ERROR_OUT_OF_DATE_KHR;
1096 }
1097 }
1098
1099 assert(image_index < chain->base.image_count);
1100 wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
1101
1102 if (wl_surface_get_version(chain->surface) >= 4 && damage &&
1103 damage->pRectangles && damage->rectangleCount > 0) {
1104 for (unsigned i = 0; i < damage->rectangleCount; i++) {
1105 const VkRectLayerKHR *rect = &damage->pRectangles[i];
1106 assert(rect->layer == 0);
1107 wl_surface_damage_buffer(chain->surface,
1108 rect->offset.x, rect->offset.y,
1109 rect->extent.width, rect->extent.height);
1110 }
1111 } else {
1112 wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
1113 }
1114
1115 if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
1116 chain->frame = wl_surface_frame(chain->surface);
1117 wl_callback_add_listener(chain->frame, &frame_listener, chain);
1118 chain->fifo_ready = false;
1119 }
1120
1121 chain->images[image_index].busy = true;
1122 wl_surface_commit(chain->surface);
1123 wl_display_flush(chain->display->wl_display);
1124
1125 return VK_SUCCESS;
1126 }
1127
1128 static void
buffer_handle_release(void * data,struct wl_buffer * buffer)1129 buffer_handle_release(void *data, struct wl_buffer *buffer)
1130 {
1131 struct wsi_wl_image *image = data;
1132
1133 assert(image->buffer == buffer);
1134
1135 image->busy = false;
1136 }
1137
1138 static const struct wl_buffer_listener buffer_listener = {
1139 buffer_handle_release,
1140 };
1141
1142 static VkResult
wsi_wl_image_init(struct wsi_wl_swapchain * chain,struct wsi_wl_image * image,const VkSwapchainCreateInfoKHR * pCreateInfo,const VkAllocationCallbacks * pAllocator)1143 wsi_wl_image_init(struct wsi_wl_swapchain *chain,
1144 struct wsi_wl_image *image,
1145 const VkSwapchainCreateInfoKHR *pCreateInfo,
1146 const VkAllocationCallbacks* pAllocator)
1147 {
1148 struct wsi_wl_display *display = chain->display;
1149 VkResult result;
1150
1151 memset(image, 0, sizeof(*image));
1152
1153 result = wsi_create_native_image(&chain->base, pCreateInfo,
1154 chain->num_drm_modifiers > 0 ? 1 : 0,
1155 &chain->num_drm_modifiers,
1156 &chain->drm_modifiers, NULL, &image->base);
1157
1158 if (result != VK_SUCCESS)
1159 return result;
1160
1161 if (display->sw) {
1162 int fd, stride;
1163
1164 stride = image->base.row_pitches[0];
1165 image->data_size = stride * chain->extent.height;
1166
1167 /* Create a shareable buffer */
1168 fd = os_create_anonymous_file(image->data_size, NULL);
1169 if (fd < 0)
1170 goto fail_image;
1171
1172 image->data_ptr = mmap(NULL, image->data_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
1173 if (image->data_ptr == MAP_FAILED) {
1174 close(fd);
1175 goto fail_image;
1176 }
1177 /* Share it in a wl_buffer */
1178 struct wl_shm_pool *pool = wl_shm_create_pool(display->wl_shm, fd, image->data_size);
1179 wl_proxy_set_queue((struct wl_proxy *)pool, display->queue);
1180 image->buffer = wl_shm_pool_create_buffer(pool, 0, chain->extent.width,
1181 chain->extent.height, stride,
1182 chain->shm_format);
1183 wl_shm_pool_destroy(pool);
1184 close(fd);
1185 } else {
1186 assert(display->wl_dmabuf);
1187
1188 struct zwp_linux_buffer_params_v1 *params =
1189 zwp_linux_dmabuf_v1_create_params(display->wl_dmabuf);
1190 if (!params)
1191 goto fail_image;
1192
1193 for (int i = 0; i < image->base.num_planes; i++) {
1194 zwp_linux_buffer_params_v1_add(params,
1195 image->base.fds[i],
1196 i,
1197 image->base.offsets[i],
1198 image->base.row_pitches[i],
1199 image->base.drm_modifier >> 32,
1200 image->base.drm_modifier & 0xffffffff);
1201 close(image->base.fds[i]);
1202 }
1203
1204 image->buffer =
1205 zwp_linux_buffer_params_v1_create_immed(params,
1206 chain->extent.width,
1207 chain->extent.height,
1208 chain->drm_format,
1209 0);
1210 zwp_linux_buffer_params_v1_destroy(params);
1211 }
1212
1213 if (!image->buffer)
1214 goto fail_image;
1215
1216 wl_buffer_add_listener(image->buffer, &buffer_listener, image);
1217
1218 return VK_SUCCESS;
1219
1220 fail_image:
1221 wsi_destroy_image(&chain->base, &image->base);
1222
1223 return VK_ERROR_OUT_OF_HOST_MEMORY;
1224 }
1225
1226 static VkResult
wsi_wl_swapchain_destroy(struct wsi_swapchain * wsi_chain,const VkAllocationCallbacks * pAllocator)1227 wsi_wl_swapchain_destroy(struct wsi_swapchain *wsi_chain,
1228 const VkAllocationCallbacks *pAllocator)
1229 {
1230 struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
1231
1232 for (uint32_t i = 0; i < chain->base.image_count; i++) {
1233 if (chain->images[i].buffer) {
1234 wl_buffer_destroy(chain->images[i].buffer);
1235 wsi_destroy_image(&chain->base, &chain->images[i].base);
1236 if (chain->images[i].data_ptr)
1237 munmap(chain->images[i].data_ptr, chain->images[i].data_size);
1238 }
1239 }
1240
1241 if (chain->frame)
1242 wl_callback_destroy(chain->frame);
1243 if (chain->surface)
1244 wl_proxy_wrapper_destroy(chain->surface);
1245
1246 if (chain->display)
1247 wsi_wl_display_unref(chain->display);
1248
1249 wsi_swapchain_finish(&chain->base);
1250
1251 vk_free(pAllocator, chain);
1252
1253 return VK_SUCCESS;
1254 }
1255
1256 static VkResult
wsi_wl_surface_create_swapchain(VkIcdSurfaceBase * icd_surface,VkDevice device,struct wsi_device * wsi_device,const VkSwapchainCreateInfoKHR * pCreateInfo,const VkAllocationCallbacks * pAllocator,struct wsi_swapchain ** swapchain_out)1257 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
1258 VkDevice device,
1259 struct wsi_device *wsi_device,
1260 const VkSwapchainCreateInfoKHR* pCreateInfo,
1261 const VkAllocationCallbacks* pAllocator,
1262 struct wsi_swapchain **swapchain_out)
1263 {
1264 VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
1265 struct wsi_wayland *wsi =
1266 (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
1267 struct wsi_wl_swapchain *chain;
1268 VkResult result;
1269
1270 assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
1271
1272 int num_images = pCreateInfo->minImageCount;
1273
1274 size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
1275 chain = vk_zalloc(pAllocator, size, 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1276 if (chain == NULL)
1277 return VK_ERROR_OUT_OF_HOST_MEMORY;
1278
1279 result = wsi_swapchain_init(wsi_device, &chain->base, device,
1280 pCreateInfo, pAllocator);
1281 if (result != VK_SUCCESS) {
1282 vk_free(pAllocator, chain);
1283 return result;
1284 }
1285
1286 bool alpha = pCreateInfo->compositeAlpha ==
1287 VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
1288
1289 chain->base.destroy = wsi_wl_swapchain_destroy;
1290 chain->base.get_wsi_image = wsi_wl_swapchain_get_wsi_image;
1291 chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
1292 chain->base.queue_present = wsi_wl_swapchain_queue_present;
1293 chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo);
1294 chain->base.image_count = num_images;
1295 chain->extent = pCreateInfo->imageExtent;
1296 chain->vk_format = pCreateInfo->imageFormat;
1297 if (wsi_device->sw)
1298 chain->shm_format = wl_shm_format_for_vk_format(chain->vk_format, alpha);
1299 else
1300 chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha);
1301
1302 if (pCreateInfo->oldSwapchain) {
1303 /* If we have an oldSwapchain parameter, copy the display struct over
1304 * from the old one so we don't have to fully re-initialize it.
1305 */
1306 VK_FROM_HANDLE(wsi_wl_swapchain, old_chain, pCreateInfo->oldSwapchain);
1307 chain->display = wsi_wl_display_ref(old_chain->display);
1308 } else {
1309 chain->display = NULL;
1310 result = wsi_wl_display_create(wsi, surface->display,
1311 wsi_device->sw, &chain->display);
1312 if (result != VK_SUCCESS)
1313 goto fail;
1314 }
1315
1316 chain->surface = wl_proxy_create_wrapper(surface->surface);
1317 if (!chain->surface) {
1318 result = VK_ERROR_OUT_OF_HOST_MEMORY;
1319 goto fail;
1320 }
1321 wl_proxy_set_queue((struct wl_proxy *) chain->surface,
1322 chain->display->queue);
1323
1324 chain->num_drm_modifiers = 0;
1325 chain->drm_modifiers = 0;
1326
1327 /* Use explicit DRM format modifiers when both the server and the driver
1328 * support them.
1329 */
1330 if (chain->display->wl_dmabuf && chain->base.wsi->supports_modifiers) {
1331 struct wsi_wl_format *f = find_format(&chain->display->formats, chain->vk_format);
1332 if (f) {
1333 chain->drm_modifiers = u_vector_tail(&f->modifiers);
1334 chain->num_drm_modifiers = u_vector_length(&f->modifiers);
1335 }
1336 }
1337
1338 chain->fifo_ready = true;
1339
1340 for (uint32_t i = 0; i < chain->base.image_count; i++) {
1341 result = wsi_wl_image_init(chain, &chain->images[i],
1342 pCreateInfo, pAllocator);
1343 if (result != VK_SUCCESS)
1344 goto fail;
1345 chain->images[i].busy = false;
1346 }
1347
1348 *swapchain_out = &chain->base;
1349
1350 return VK_SUCCESS;
1351
1352 fail:
1353 wsi_wl_swapchain_destroy(&chain->base, pAllocator);
1354
1355 return result;
1356 }
1357
1358 VkResult
wsi_wl_init_wsi(struct wsi_device * wsi_device,const VkAllocationCallbacks * alloc,VkPhysicalDevice physical_device)1359 wsi_wl_init_wsi(struct wsi_device *wsi_device,
1360 const VkAllocationCallbacks *alloc,
1361 VkPhysicalDevice physical_device)
1362 {
1363 struct wsi_wayland *wsi;
1364 VkResult result;
1365
1366 wsi = vk_alloc(alloc, sizeof(*wsi), 8,
1367 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
1368 if (!wsi) {
1369 result = VK_ERROR_OUT_OF_HOST_MEMORY;
1370 goto fail;
1371 }
1372
1373 wsi->physical_device = physical_device;
1374 wsi->alloc = alloc;
1375 wsi->wsi = wsi_device;
1376
1377 wsi->base.get_support = wsi_wl_surface_get_support;
1378 wsi->base.get_capabilities2 = wsi_wl_surface_get_capabilities2;
1379 wsi->base.get_formats = wsi_wl_surface_get_formats;
1380 wsi->base.get_formats2 = wsi_wl_surface_get_formats2;
1381 wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
1382 wsi->base.get_present_rectangles = wsi_wl_surface_get_present_rectangles;
1383 wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
1384
1385 wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
1386
1387 return VK_SUCCESS;
1388
1389 fail:
1390 wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
1391
1392 return result;
1393 }
1394
1395 void
wsi_wl_finish_wsi(struct wsi_device * wsi_device,const VkAllocationCallbacks * alloc)1396 wsi_wl_finish_wsi(struct wsi_device *wsi_device,
1397 const VkAllocationCallbacks *alloc)
1398 {
1399 struct wsi_wayland *wsi =
1400 (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
1401 if (!wsi)
1402 return;
1403
1404 vk_free(alloc, wsi);
1405 }
1406