summaryrefslogtreecommitdiff
path: root/src/amd/vulkan/radv_wsi_wayland.c
blob: 06af89469c32253c891f5f0c6224d772c462b8eb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
/*
 * Copyright © 2016 Red Hat
 * based on intel anv code:
 * Copyright © 2015 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include <wayland-client.h>
#include <wayland-drm-client-protocol.h>

#include "radv_wsi.h"

#include "vk_format.h"
#include <util/hash_table.h>
#include <util/u_vector.h>
#define MIN_NUM_IMAGES 2

struct wsi_wl_display {
	struct radv_physical_device                  *physical_device;
	struct wl_display *                          display;
	struct wl_drm *                              drm;

	/* Vector of VkFormats supported */
	struct u_vector                            formats;

	uint32_t                                     capabilities;
};

struct wsi_wayland {
	struct radv_wsi_interface                     base;

	struct radv_physical_device *                 physical_device;

	pthread_mutex_t                              mutex;
	/* Hash table of wl_display -> wsi_wl_display mappings */
	struct hash_table *                          displays;
};

static void
wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
{
	/* Don't add a format that's already in the list */
	VkFormat *f;
	u_vector_foreach(f, &display->formats)
		if (*f == format)
			return;

	/* Don't add formats that aren't renderable. */
	VkFormatProperties props;
	radv_GetPhysicalDeviceFormatProperties(
		radv_physical_device_to_handle(display->physical_device), format, &props);
	if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
		return;

	f = u_vector_add(&display->formats);
	if (f)
		*f = format;
}

static void
drm_handle_device(void *data, struct wl_drm *drm, const char *name)
{
	fprintf(stderr, "wl_drm.device(%s)\n", name);
}

static uint32_t
wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
{
	switch (vk_format) {
		/* TODO: Figure out what all the formats mean and make this table
		 * correct.
		 */
#if 0
	case VK_FORMAT_R4G4B4A4_UNORM:
		return alpha ? WL_DRM_FORMAT_ABGR4444 : WL_DRM_FORMAT_XBGR4444;
	case VK_FORMAT_R5G6B5_UNORM:
		return WL_DRM_FORMAT_BGR565;
	case VK_FORMAT_R5G5B5A1_UNORM:
		return alpha ? WL_DRM_FORMAT_ABGR1555 : WL_DRM_FORMAT_XBGR1555;
	case VK_FORMAT_R8G8B8_UNORM:
		return WL_DRM_FORMAT_XBGR8888;
	case VK_FORMAT_R8G8B8A8_UNORM:
		return alpha ? WL_DRM_FORMAT_ABGR8888 : WL_DRM_FORMAT_XBGR8888;
	case VK_FORMAT_R10G10B10A2_UNORM:
		return alpha ? WL_DRM_FORMAT_ABGR2101010 : WL_DRM_FORMAT_XBGR2101010;
	case VK_FORMAT_B4G4R4A4_UNORM:
		return alpha ? WL_DRM_FORMAT_ARGB4444 : WL_DRM_FORMAT_XRGB4444;
	case VK_FORMAT_B5G6R5_UNORM:
		return WL_DRM_FORMAT_RGB565;
	case VK_FORMAT_B5G5R5A1_UNORM:
		return alpha ? WL_DRM_FORMAT_XRGB1555 : WL_DRM_FORMAT_XRGB1555;
#endif
	case VK_FORMAT_B8G8R8_SRGB:
		return WL_DRM_FORMAT_BGRX8888;
	case VK_FORMAT_B8G8R8A8_SRGB:
		return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
#if 0
	case VK_FORMAT_B10G10R10A2_UNORM:
		return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
#endif

	default:
		assert(!"Unsupported Vulkan format");
		return 0;
	}
}

static void
drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
{
	struct wsi_wl_display *display = data;

	switch (wl_format) {
#if 0
	case WL_DRM_FORMAT_ABGR4444:
	case WL_DRM_FORMAT_XBGR4444:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R4G4B4A4_UNORM);
		break;
	case WL_DRM_FORMAT_BGR565:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G6B5_UNORM);
		break;
	case WL_DRM_FORMAT_ABGR1555:
	case WL_DRM_FORMAT_XBGR1555:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G5B5A1_UNORM);
		break;
	case WL_DRM_FORMAT_XBGR8888:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8_UNORM);
		/* fallthrough */
	case WL_DRM_FORMAT_ABGR8888:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8A8_UNORM);
		break;
	case WL_DRM_FORMAT_ABGR2101010:
	case WL_DRM_FORMAT_XBGR2101010:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_R10G10B10A2_UNORM);
		break;
	case WL_DRM_FORMAT_ARGB4444:
	case WL_DRM_FORMAT_XRGB4444:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B4G4R4A4_UNORM);
		break;
	case WL_DRM_FORMAT_RGB565:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G6R5_UNORM);
		break;
	case WL_DRM_FORMAT_ARGB1555:
	case WL_DRM_FORMAT_XRGB1555:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G5R5A1_UNORM);
		break;
#endif
	case WL_DRM_FORMAT_XRGB8888:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_SRGB);
		/* fallthrough */
	case WL_DRM_FORMAT_ARGB8888:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
		break;
#if 0
	case WL_DRM_FORMAT_ARGB2101010:
	case WL_DRM_FORMAT_XRGB2101010:
		wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
		break;
#endif
	}
}

static void
drm_handle_authenticated(void *data, struct wl_drm *drm)
{
}

static void
drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
{
	struct wsi_wl_display *display = data;

	display->capabilities = capabilities;
}

static const struct wl_drm_listener drm_listener = {
	drm_handle_device,
	drm_handle_format,
	drm_handle_authenticated,
	drm_handle_capabilities,
};

static void
registry_handle_global(void *data, struct wl_registry *registry,
                       uint32_t name, const char *interface, uint32_t version)
{
	struct wsi_wl_display *display = data;

	if (strcmp(interface, "wl_drm") == 0) {
		assert(display->drm == NULL);

		assert(version >= 2);
		display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);

		if (display->drm)
			wl_drm_add_listener(display->drm, &drm_listener, display);
	}
}

static void
registry_handle_global_remove(void *data, struct wl_registry *registry,
                              uint32_t name)
{ /* No-op */ }

static const struct wl_registry_listener registry_listener = {
	registry_handle_global,
	registry_handle_global_remove
};

static void
wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
{
	u_vector_finish(&display->formats);
	if (display->drm)
		wl_drm_destroy(display->drm);
	vk_free(&wsi->physical_device->instance->alloc, display);
}

static struct wsi_wl_display *
wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
{
	struct wsi_wl_display *display =
		vk_alloc(&wsi->physical_device->instance->alloc, sizeof(*display), 8,
			   VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
	if (!display)
		return NULL;

	memset(display, 0, sizeof(*display));

	display->display = wl_display;
	display->physical_device = wsi->physical_device;

	if (!u_vector_init(&display->formats, sizeof(VkFormat), 8))
		goto fail;

	struct wl_registry *registry = wl_display_get_registry(wl_display);
	if (!registry)
		return NULL;

	wl_registry_add_listener(registry, &registry_listener, display);

	/* Round-rip to get the wl_drm global */
	wl_display_roundtrip(wl_display);

	if (!display->drm)
		goto fail;

	/* Round-rip to get wl_drm formats and capabilities */
	wl_display_roundtrip(wl_display);

	/* We need prime support */
	if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
		goto fail;

	/* We don't need this anymore */
	wl_registry_destroy(registry);

	return display;

fail:
	if (registry)
		wl_registry_destroy(registry);

	wsi_wl_display_destroy(wsi, display);
	return NULL;
}

static struct wsi_wl_display *
wsi_wl_get_display(struct radv_physical_device *device,
                   struct wl_display *wl_display)
{
	struct wsi_wayland *wsi =
		(struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];

	pthread_mutex_lock(&wsi->mutex);

	struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
							   wl_display);
	if (!entry) {
		/* We're about to make a bunch of blocking calls.  Let's drop the
		 * mutex for now so we don't block up too badly.
		 */
		pthread_mutex_unlock(&wsi->mutex);

		struct wsi_wl_display *display = wsi_wl_display_create(wsi, wl_display);

		pthread_mutex_lock(&wsi->mutex);

		entry = _mesa_hash_table_search(wsi->displays, wl_display);
		if (entry) {
			/* Oops, someone raced us to it */
			wsi_wl_display_destroy(wsi, display);
		} else {
			entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
		}
	}

	pthread_mutex_unlock(&wsi->mutex);

	return entry->data;
}

VkBool32 radv_GetPhysicalDeviceWaylandPresentationSupportKHR(
	VkPhysicalDevice                            physicalDevice,
	uint32_t                                    queueFamilyIndex,
	struct wl_display*                          display)
{
	RADV_FROM_HANDLE(radv_physical_device, physical_device, physicalDevice);

	return wsi_wl_get_display(physical_device, display) != NULL;
}

static VkResult
wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
                           struct radv_physical_device *device,
                           uint32_t queueFamilyIndex,
                           VkBool32* pSupported)
{
	*pSupported = true;

	return VK_SUCCESS;
}

static const VkPresentModeKHR present_modes[] = {
	VK_PRESENT_MODE_MAILBOX_KHR,
	VK_PRESENT_MODE_FIFO_KHR,
};

static VkResult
wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
                                struct radv_physical_device *device,
                                VkSurfaceCapabilitiesKHR* caps)
{
	caps->minImageCount = MIN_NUM_IMAGES;
	caps->maxImageCount = 4;
	caps->currentExtent = (VkExtent2D) { -1, -1 };
	caps->minImageExtent = (VkExtent2D) { 1, 1 };
	caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
	caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
	caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
	caps->maxImageArrayLayers = 1;

	caps->supportedCompositeAlpha =
		VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
		VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;

	caps->supportedUsageFlags =
		VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
		VK_IMAGE_USAGE_SAMPLED_BIT |
		VK_IMAGE_USAGE_TRANSFER_DST_BIT |
		VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;

	return VK_SUCCESS;
}

static VkResult
wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
                           struct radv_physical_device *device,
                           uint32_t* pSurfaceFormatCount,
                           VkSurfaceFormatKHR* pSurfaceFormats)
{
	VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
	struct wsi_wl_display *display =
		wsi_wl_get_display(device, surface->display);

	uint32_t count = u_vector_length(&display->formats);

	if (pSurfaceFormats == NULL) {
		*pSurfaceFormatCount = count;
		return VK_SUCCESS;
	}

	assert(*pSurfaceFormatCount >= count);
	*pSurfaceFormatCount = count;

	VkFormat *f;
	u_vector_foreach(f, &display->formats) {
		*(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
			.format = *f,
			/* TODO: We should get this from the compositor somehow */
			.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
		};
	}

	return VK_SUCCESS;
}

static VkResult
wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
                                 struct radv_physical_device *device,
                                 uint32_t* pPresentModeCount,
                                 VkPresentModeKHR* pPresentModes)
{
	if (pPresentModes == NULL) {
		*pPresentModeCount = ARRAY_SIZE(present_modes);
		return VK_SUCCESS;
	}

	assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
	typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
	*pPresentModeCount = ARRAY_SIZE(present_modes);

	return VK_SUCCESS;
}

static VkResult
wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *surface,
                                struct radv_device *device,
                                const VkSwapchainCreateInfoKHR* pCreateInfo,
                                const VkAllocationCallbacks* pAllocator,
                                struct radv_swapchain **swapchain);

VkResult radv_CreateWaylandSurfaceKHR(
	VkInstance                                  _instance,
	const VkWaylandSurfaceCreateInfoKHR*        pCreateInfo,
	const VkAllocationCallbacks*                pAllocator,
	VkSurfaceKHR*                               pSurface)
{
	RADV_FROM_HANDLE(radv_instance, instance, _instance);

	assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);

	VkIcdSurfaceWayland *surface;

	surface = vk_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
			      VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
	if (surface == NULL)
		return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);

	surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
	surface->display = pCreateInfo->display;
	surface->surface = pCreateInfo->surface;

	*pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);

	return VK_SUCCESS;
}

struct wsi_wl_image {
	struct radv_image *                           image;
	struct radv_device_memory *                   memory;
	struct wl_buffer *                           buffer;
	bool                                         busy;
};

struct wsi_wl_swapchain {
	struct radv_swapchain                        base;

	struct wsi_wl_display *                      display;
	struct wl_event_queue *                      queue;
	struct wl_surface *                          surface;

	VkExtent2D                                   extent;
	VkFormat                                     vk_format;
	uint32_t                                     drm_format;

	VkPresentModeKHR                             present_mode;
	bool                                         fifo_ready;

	uint32_t                                     image_count;
	struct wsi_wl_image                          images[0];
};

static VkResult
wsi_wl_swapchain_get_images(struct radv_swapchain *radv_chain,
                            uint32_t *pCount, VkImage *pSwapchainImages)
{
	struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;

	if (pSwapchainImages == NULL) {
		*pCount = chain->image_count;
		return VK_SUCCESS;
	}

	assert(chain->image_count <= *pCount);
	for (uint32_t i = 0; i < chain->image_count; i++)
		pSwapchainImages[i] = radv_image_to_handle(chain->images[i].image);

	*pCount = chain->image_count;

	return VK_SUCCESS;
}

static VkResult
wsi_wl_swapchain_acquire_next_image(struct radv_swapchain *radv_chain,
                                    uint64_t timeout,
                                    VkSemaphore semaphore,
                                    uint32_t *image_index)
{
	struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;

	int ret = wl_display_dispatch_queue_pending(chain->display->display,
						    chain->queue);
	/* XXX: I'm not sure if out-of-date is the right error here.  If
	 * wl_display_dispatch_queue_pending fails it most likely means we got
	 * kicked by the server so this seems more-or-less correct.
	 */
	if (ret < 0)
		return vk_error(VK_ERROR_OUT_OF_DATE_KHR);

	while (1) {
		for (uint32_t i = 0; i < chain->image_count; i++) {
			if (!chain->images[i].busy) {
				/* We found a non-busy image */
				*image_index = i;
				chain->images[i].busy = true;
				return VK_SUCCESS;
			}
		}

		/* This time we do a blocking dispatch because we can't go
		 * anywhere until we get an event.
		 */
		int ret = wl_display_roundtrip_queue(chain->display->display,
						     chain->queue);
		if (ret < 0)
			return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
	}
}

static void
frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
{
	struct wsi_wl_swapchain *chain = data;

	chain->fifo_ready = true;

	wl_callback_destroy(callback);
}

static const struct wl_callback_listener frame_listener = {
	frame_handle_done,
};

static VkResult
wsi_wl_swapchain_queue_present(struct radv_swapchain *radv_chain,
                               uint32_t image_index)
{
	struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;

	if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
		while (!chain->fifo_ready) {
			int ret = wl_display_dispatch_queue(chain->display->display,
							    chain->queue);
			if (ret < 0)
				return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
		}
	}

	assert(image_index < chain->image_count);
	wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
	wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);

	if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
		struct wl_callback *frame = wl_surface_frame(chain->surface);
		wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
		wl_callback_add_listener(frame, &frame_listener, chain);
		chain->fifo_ready = false;
	}

	chain->images[image_index].busy = true;
	wl_surface_commit(chain->surface);
	wl_display_flush(chain->display->display);

	return VK_SUCCESS;
}

static void
wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
                    const VkAllocationCallbacks* pAllocator)
{
	VkDevice vk_device = radv_device_to_handle(chain->base.device);
	radv_FreeMemory(vk_device, radv_device_memory_to_handle(image->memory),
			pAllocator);
	radv_DestroyImage(vk_device, radv_image_to_handle(image->image),
			  pAllocator);
}

static void
buffer_handle_release(void *data, struct wl_buffer *buffer)
{
	struct wsi_wl_image *image = data;

	assert(image->buffer == buffer);

	image->busy = false;
}

static const struct wl_buffer_listener buffer_listener = {
	buffer_handle_release,
};

static VkResult
wsi_wl_image_init(struct wsi_wl_swapchain *chain,
                  struct wsi_wl_image *image,
                  const VkSwapchainCreateInfoKHR *pCreateInfo,
                  const VkAllocationCallbacks* pAllocator)
{
	VkDevice vk_device = radv_device_to_handle(chain->base.device);
	VkResult result;
	bool bret;
	VkImage vk_image;
	struct radeon_surf *surface;
	int fd;
	result = radv_image_create(vk_device,
				   &(struct radv_image_create_info) {
					   .vk_info =
						   &(VkImageCreateInfo) {
						   .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
						   .imageType = VK_IMAGE_TYPE_2D,
						   .format = chain->vk_format,
						   .extent = {
							   .width = chain->extent.width,
							   .height = chain->extent.height,
							   .depth = 1
						   },
						   .mipLevels = 1,
						   .arrayLayers = 1,
						   .samples = 1,
						   /* FIXME: Need a way to use X tiling to allow scanout */
						   .tiling = VK_IMAGE_TILING_OPTIMAL,
						   .usage = (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
							     pCreateInfo->imageUsage),
						   .flags = 0,
					   },
						   .scanout = true},
				   pAllocator,
				   &vk_image);

	if (result != VK_SUCCESS)
		return result;

	image->image = radv_image_from_handle(vk_image);
	assert(vk_format_is_color(image->image->vk_format));

	VkDeviceMemory vk_memory;
	result = radv_AllocateMemory(vk_device,
				     &(VkMemoryAllocateInfo) {
					     .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
						     .allocationSize = image->image->size,
						     .memoryTypeIndex = 0,
						     },
				     pAllocator,
				     &vk_memory);

	if (result != VK_SUCCESS)
		goto fail_image;

	image->memory = radv_device_memory_from_handle(vk_memory);

	result = radv_BindImageMemory(vk_device, vk_image, vk_memory, 0);

	if (result != VK_SUCCESS)
		goto fail_mem;

	bret = chain->base.device->ws->buffer_get_fd(chain->base.device->ws,
						     image->memory->bo, &fd);
	if (bret == false)
		goto fail_mem;

	{
		struct radeon_bo_metadata metadata;
		radv_init_metadata(chain->base.device, image->image, &metadata);
		chain->base.device->ws->buffer_set_metadata(image->memory->bo, &metadata);
	}
	surface = &image->image->surface;

	image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
						   fd, /* name */
						   chain->extent.width,
						   chain->extent.height,
						   chain->drm_format,
						   surface->level[0].offset,
						   surface->level[0].pitch_bytes,
						   0, 0, 0, 0 /* unused */);
	wl_display_roundtrip(chain->display->display);
	close(fd);

	wl_proxy_set_queue((struct wl_proxy *)image->buffer, chain->queue);
	wl_buffer_add_listener(image->buffer, &buffer_listener, image);

	return VK_SUCCESS;

fail_mem:
	radv_FreeMemory(vk_device, vk_memory, pAllocator);
fail_image:
	radv_DestroyImage(vk_device, vk_image, pAllocator);

	return result;
}

static VkResult
wsi_wl_swapchain_destroy(struct radv_swapchain *radv_chain,
                         const VkAllocationCallbacks *pAllocator)
{
	struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;

	for (uint32_t i = 0; i < chain->image_count; i++) {
		if (chain->images[i].buffer)
			wsi_wl_image_finish(chain, &chain->images[i], pAllocator);
	}

	vk_free2(&chain->base.device->alloc, pAllocator, chain);

	return VK_SUCCESS;
}

static VkResult
wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
                                struct radv_device *device,
                                const VkSwapchainCreateInfoKHR* pCreateInfo,
                                const VkAllocationCallbacks* pAllocator,
                                struct radv_swapchain **swapchain_out)
{
	VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
	struct wsi_wl_swapchain *chain;
	VkResult result;

	assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);

	int num_images = pCreateInfo->minImageCount;

	assert(num_images >= MIN_NUM_IMAGES);

	/* For true mailbox mode, we need at least 4 images:
	 *  1) One to scan out from
	 *  2) One to have queued for scan-out
	 *  3) One to be currently held by the Wayland compositor
	 *  4) One to render to
	 */
	if (pCreateInfo->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
		num_images = MAX2(num_images, 4);

	size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
	chain = vk_alloc2(&device->alloc, pAllocator, size, 8,
			    VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
	if (chain == NULL)
		return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);

	chain->base.device = device;
	chain->base.destroy = wsi_wl_swapchain_destroy;
	chain->base.get_images = wsi_wl_swapchain_get_images;
	chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
	chain->base.queue_present = wsi_wl_swapchain_queue_present;

	chain->surface = surface->surface;
	chain->extent = pCreateInfo->imageExtent;
	chain->vk_format = pCreateInfo->imageFormat;
	chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);

	chain->present_mode = pCreateInfo->presentMode;
	chain->fifo_ready = true;

	chain->image_count = num_images;

	/* Mark a bunch of stuff as NULL.  This way we can just call
	 * destroy_swapchain for cleanup.
	 */
	for (uint32_t i = 0; i < chain->image_count; i++)
		chain->images[i].buffer = NULL;
	chain->queue = NULL;

	chain->display = wsi_wl_get_display(&device->instance->physicalDevice,
					    surface->display);
	if (!chain->display) {
		result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
		goto fail;
	}

	chain->queue = wl_display_create_queue(chain->display->display);
	if (!chain->queue) {
		result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
		goto fail;
	}

	for (uint32_t i = 0; i < chain->image_count; i++) {
		result = wsi_wl_image_init(chain, &chain->images[i],
					   pCreateInfo, pAllocator);
		if (result != VK_SUCCESS)
			goto fail;
		chain->images[i].busy = false;
	}

	*swapchain_out = &chain->base;

	return VK_SUCCESS;

fail:
	wsi_wl_swapchain_destroy(&chain->base, pAllocator);

	return result;
}

VkResult
radv_wl_init_wsi(struct radv_physical_device *device)
{
	struct wsi_wayland *wsi;
	VkResult result;

	wsi = vk_alloc(&device->instance->alloc, sizeof(*wsi), 8,
			 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
	if (!wsi) {
		result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
		goto fail;
	}

	wsi->physical_device = device;

	int ret = pthread_mutex_init(&wsi->mutex, NULL);
	if (ret != 0) {
		if (ret == ENOMEM) {
			result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
		} else {
			/* FINISHME: Choose a better error. */
			result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
		}

		goto fail_alloc;
	}

	wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
						_mesa_key_pointer_equal);
	if (!wsi->displays) {
		result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
		goto fail_mutex;
	}

	wsi->base.get_support = wsi_wl_surface_get_support;
	wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
	wsi->base.get_formats = wsi_wl_surface_get_formats;
	wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
	wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;

	device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;

	return VK_SUCCESS;

fail_mutex:
	pthread_mutex_destroy(&wsi->mutex);

fail_alloc:
	vk_free(&device->instance->alloc, wsi);
fail:
	device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;

	return result;
}

void
radv_wl_finish_wsi(struct radv_physical_device *device)
{
	struct wsi_wayland *wsi =
		(struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];

	if (wsi) {
		_mesa_hash_table_destroy(wsi->displays, NULL);

		pthread_mutex_destroy(&wsi->mutex);

		vk_free(&device->instance->alloc, wsi);
	}
}