projects / mesa.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
egl/wayland: Remove duplicate wl_buffer creation code
[mesa.git] / src / egl / drivers / dri2 / platform_wayland.c
1 /*
2 * Copyright © 2011-2012 Intel Corporation
3 * Copyright © 2012 Collabora, Ltd.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 * Kristian Høgsberg <krh@bitplanet.net>
27 * Benjamin Franzke <benjaminfranzke@googlemail.com>
28 */
29
30 #include <stdint.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <limits.h>
34 #include <dlfcn.h>
35 #include <errno.h>
36 #include <unistd.h>
37 #include <fcntl.h>
38 #include <xf86drm.h>
39 #include <sys/mman.h>
40
41 #include "egl_dri2.h"
42 #include "egl_dri2_fallbacks.h"
43 #include "loader.h"
44
45 #include <wayland-client.h>
46 #include "wayland-drm-client-protocol.h"
47
48 enum wl_drm_format_flags {
49 HAS_ARGB8888 = 1,
50 HAS_XRGB8888 = 2,
51 HAS_RGB565 = 4,
52 };
53
54 static EGLBoolean
55 dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
56 EGLint interval);
57
58 static int
59 roundtrip(struct dri2_egl_display *dri2_dpy)
60 {
61 return wl_display_roundtrip_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
62 }
63
64 static void
65 wl_buffer_release(void *data, struct wl_buffer *buffer)
66 {
67 struct dri2_egl_surface *dri2_surf = data;
68 int i;
69
70 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
71 if (dri2_surf->color_buffers[i].wl_buffer == buffer)
72 break;
73
74 if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
75 wl_buffer_destroy(buffer);
76 return;
77 }
78
79 dri2_surf->color_buffers[i].locked = false;
80 }
81
82 static const struct wl_buffer_listener wl_buffer_listener = {
83 .release = wl_buffer_release
84 };
85
86 static void
87 resize_callback(struct wl_egl_window *wl_win, void *data)
88 {
89 struct dri2_egl_surface *dri2_surf = data;
90 struct dri2_egl_display *dri2_dpy =
91 dri2_egl_display(dri2_surf->base.Resource.Display);
92
93 dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
94 }
95
96 static void
97 destroy_window_callback(void *data)
98 {
99 struct dri2_egl_surface *dri2_surf = data;
100 dri2_surf->wl_win = NULL;
101 }
102
103 /**
104 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
105 */
106 static _EGLSurface *
107 dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
108 _EGLConfig *conf, void *native_window,
109 const EGLint *attrib_list)
110 {
111 __DRIcreateNewDrawableFunc createNewDrawable;
112 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
113 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
114 struct wl_egl_window *window = native_window;
115 struct dri2_egl_surface *dri2_surf;
116 const __DRIconfig *config;
117
118 dri2_surf = calloc(1, sizeof *dri2_surf);
119 if (!dri2_surf) {
120 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
121 return NULL;
122 }
123
124 if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list))
125 goto cleanup_surf;
126
127 if (dri2_dpy->wl_drm) {
128 if (conf->RedSize == 5)
129 dri2_surf->format = WL_DRM_FORMAT_RGB565;
130 else if (conf->AlphaSize == 0)
131 dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
132 else
133 dri2_surf->format = WL_DRM_FORMAT_ARGB8888;
134 } else {
135 assert(dri2_dpy->wl_shm);
136 if (conf->RedSize == 5)
137 dri2_surf->format = WL_SHM_FORMAT_RGB565;
138 else if (conf->AlphaSize == 0)
139 dri2_surf->format = WL_SHM_FORMAT_XRGB8888;
140 else
141 dri2_surf->format = WL_SHM_FORMAT_ARGB8888;
142 }
143
144 if (!window) {
145 _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
146 goto cleanup_surf;
147 }
148
149 dri2_surf->wl_win = window;
150 dri2_surf->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
151 if (!dri2_surf->wl_queue) {
152 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
153 goto cleanup_surf;
154 }
155
156 if (dri2_dpy->wl_drm) {
157 dri2_surf->wl_drm_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_drm);
158 if (!dri2_surf->wl_drm_wrapper) {
159 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
160 goto cleanup_queue;
161 }
162 wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_drm_wrapper,
163 dri2_surf->wl_queue);
164 }
165
166 dri2_surf->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
167 if (!dri2_surf->wl_dpy_wrapper) {
168 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
169 goto cleanup_drm;
170 }
171 wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_dpy_wrapper,
172 dri2_surf->wl_queue);
173
174 dri2_surf->wl_surface_wrapper = wl_proxy_create_wrapper(window->surface);
175 if (!dri2_surf->wl_surface_wrapper) {
176 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
177 goto cleanup_drm;
178 }
179 wl_proxy_set_queue((struct wl_proxy *)dri2_surf->wl_surface_wrapper,
180 dri2_surf->wl_queue);
181
182 dri2_surf->wl_win->private = dri2_surf;
183 dri2_surf->wl_win->destroy_window_callback = destroy_window_callback;
184
185 dri2_surf->base.Width = -1;
186 dri2_surf->base.Height = -1;
187
188 config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
189 dri2_surf->base.GLColorspace);
190
191 if (dri2_dpy->flush)
192 dri2_surf->wl_win->resize_callback = resize_callback;
193
194 if (dri2_dpy->image_driver)
195 createNewDrawable = dri2_dpy->image_driver->createNewDrawable;
196 else if (dri2_dpy->dri2)
197 createNewDrawable = dri2_dpy->dri2->createNewDrawable;
198 else
199 createNewDrawable = dri2_dpy->swrast->createNewDrawable;
200
201 dri2_surf->dri_drawable = (*createNewDrawable)(dri2_dpy->dri_screen, config,
202 dri2_surf);
203 if (dri2_surf->dri_drawable == NULL) {
204 _eglError(EGL_BAD_ALLOC, "createNewDrawable");
205 goto cleanup_surf;
206 }
207
208 dri2_wl_swap_interval(drv, disp, &dri2_surf->base,
209 dri2_dpy->default_swap_interval);
210
211 return &dri2_surf->base;
212
213 cleanup_drm:
214 if (dri2_surf->wl_drm_wrapper)
215 wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
216 cleanup_queue:
217 wl_event_queue_destroy(dri2_surf->wl_queue);
218 cleanup_surf:
219 free(dri2_surf);
220
221 return NULL;
222 }
223
224 static _EGLSurface *
225 dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
226 _EGLConfig *conf, void *native_window,
227 const EGLint *attrib_list)
228 {
229 /* From the EGL_EXT_platform_wayland spec, version 3:
230 *
231 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
232 * that belongs to Wayland. Any such call fails and generates
233 * EGL_BAD_PARAMETER.
234 */
235 _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
236 "Wayland");
237 return NULL;
238 }
239
240 /**
241 * Called via eglDestroySurface(), drv->API.DestroySurface().
242 */
243 static EGLBoolean
244 dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
245 {
246 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
247 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
248
249 (void) drv;
250
251 dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
252
253 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
254 if (dri2_surf->color_buffers[i].wl_buffer)
255 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
256 if (dri2_surf->color_buffers[i].dri_image)
257 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
258 if (dri2_surf->color_buffers[i].linear_copy)
259 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
260 if (dri2_surf->color_buffers[i].data)
261 munmap(dri2_surf->color_buffers[i].data,
262 dri2_surf->color_buffers[i].data_size);
263 }
264
265 if (dri2_dpy->dri2) {
266 for (int i = 0; i < __DRI_BUFFER_COUNT; i++)
267 if (dri2_surf->dri_buffers[i] &&
268 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
269 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
270 dri2_surf->dri_buffers[i]);
271 }
272
273 if (dri2_surf->throttle_callback)
274 wl_callback_destroy(dri2_surf->throttle_callback);
275
276 if (dri2_surf->wl_win) {
277 dri2_surf->wl_win->private = NULL;
278 dri2_surf->wl_win->resize_callback = NULL;
279 dri2_surf->wl_win->destroy_window_callback = NULL;
280 }
281
282 if (dri2_surf->wl_drm_wrapper)
283 wl_proxy_wrapper_destroy(dri2_surf->wl_drm_wrapper);
284 wl_proxy_wrapper_destroy(dri2_surf->wl_surface_wrapper);
285 wl_proxy_wrapper_destroy(dri2_surf->wl_dpy_wrapper);
286 wl_event_queue_destroy(dri2_surf->wl_queue);
287
288 free(surf);
289
290 return EGL_TRUE;
291 }
292
293 static void
294 dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
295 {
296 struct dri2_egl_display *dri2_dpy =
297 dri2_egl_display(dri2_surf->base.Resource.Display);
298
299 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
300 if (dri2_surf->color_buffers[i].wl_buffer &&
301 !dri2_surf->color_buffers[i].locked)
302 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
303 if (dri2_surf->color_buffers[i].dri_image)
304 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
305 if (dri2_surf->color_buffers[i].linear_copy)
306 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
307 if (dri2_surf->color_buffers[i].data)
308 munmap(dri2_surf->color_buffers[i].data,
309 dri2_surf->color_buffers[i].data_size);
310
311 dri2_surf->color_buffers[i].wl_buffer = NULL;
312 dri2_surf->color_buffers[i].dri_image = NULL;
313 dri2_surf->color_buffers[i].linear_copy = NULL;
314 dri2_surf->color_buffers[i].data = NULL;
315 dri2_surf->color_buffers[i].locked = false;
316 }
317
318 if (dri2_dpy->dri2) {
319 for (int i = 0; i < __DRI_BUFFER_COUNT; i++)
320 if (dri2_surf->dri_buffers[i] &&
321 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
322 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
323 dri2_surf->dri_buffers[i]);
324 }
325 }
326
327 static int
328 get_back_bo(struct dri2_egl_surface *dri2_surf)
329 {
330 struct dri2_egl_display *dri2_dpy =
331 dri2_egl_display(dri2_surf->base.Resource.Display);
332 int use_flags;
333 unsigned int dri_image_format;
334
335 /* currently supports three WL DRM formats,
336 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
337 * and WL_DRM_FORMAT_RGB565
338 */
339 switch (dri2_surf->format) {
340 case WL_DRM_FORMAT_ARGB8888:
341 dri_image_format = __DRI_IMAGE_FORMAT_ARGB8888;
342 break;
343 case WL_DRM_FORMAT_XRGB8888:
344 dri_image_format = __DRI_IMAGE_FORMAT_XRGB8888;
345 break;
346 case WL_DRM_FORMAT_RGB565:
347 dri_image_format = __DRI_IMAGE_FORMAT_RGB565;
348 break;
349 default:
350 /* format is not supported */
351 return -1;
352 }
353
354 /* There might be a buffer release already queued that wasn't processed */
355 wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
356
357 while (dri2_surf->back == NULL) {
358 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
359 /* Get an unlocked buffer, preferrably one with a dri_buffer
360 * already allocated. */
361 if (dri2_surf->color_buffers[i].locked)
362 continue;
363 if (dri2_surf->back == NULL)
364 dri2_surf->back = &dri2_surf->color_buffers[i];
365 else if (dri2_surf->back->dri_image == NULL)
366 dri2_surf->back = &dri2_surf->color_buffers[i];
367 }
368
369 if (dri2_surf->back)
370 break;
371
372 /* If we don't have a buffer, then block on the server to release one for
373 * us, and try again. */
374 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_surf->wl_queue) < 0)
375 return -1;
376 }
377
378 if (dri2_surf->back == NULL)
379 return -1;
380
381 use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER;
382
383 if (dri2_dpy->is_different_gpu &&
384 dri2_surf->back->linear_copy == NULL) {
385 dri2_surf->back->linear_copy =
386 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
387 dri2_surf->base.Width,
388 dri2_surf->base.Height,
389 dri_image_format,
390 use_flags |
391 __DRI_IMAGE_USE_LINEAR,
392 NULL);
393 if (dri2_surf->back->linear_copy == NULL)
394 return -1;
395 }
396
397 if (dri2_surf->back->dri_image == NULL) {
398 dri2_surf->back->dri_image =
399 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
400 dri2_surf->base.Width,
401 dri2_surf->base.Height,
402 dri_image_format,
403 dri2_dpy->is_different_gpu ?
404 0 : use_flags,
405 NULL);
406 dri2_surf->back->age = 0;
407 }
408 if (dri2_surf->back->dri_image == NULL)
409 return -1;
410
411 dri2_surf->back->locked = true;
412
413 return 0;
414 }
415
416
417 static void
418 back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
419 {
420 struct dri2_egl_display *dri2_dpy =
421 dri2_egl_display(dri2_surf->base.Resource.Display);
422 __DRIimage *image;
423 int name, pitch;
424
425 image = dri2_surf->back->dri_image;
426
427 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
428 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
429
430 buffer->attachment = __DRI_BUFFER_BACK_LEFT;
431 buffer->name = name;
432 buffer->pitch = pitch;
433 buffer->cpp = 4;
434 buffer->flags = 0;
435 }
436
437 static int
438 get_aux_bo(struct dri2_egl_surface *dri2_surf,
439 unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
440 {
441 struct dri2_egl_display *dri2_dpy =
442 dri2_egl_display(dri2_surf->base.Resource.Display);
443 __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
444
445 if (b == NULL) {
446 b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
447 attachment, format,
448 dri2_surf->base.Width,
449 dri2_surf->base.Height);
450 dri2_surf->dri_buffers[attachment] = b;
451 }
452 if (b == NULL)
453 return -1;
454
455 memcpy(buffer, b, sizeof *buffer);
456
457 return 0;
458 }
459
460 static int
461 update_buffers(struct dri2_egl_surface *dri2_surf)
462 {
463 struct dri2_egl_display *dri2_dpy =
464 dri2_egl_display(dri2_surf->base.Resource.Display);
465
466 if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
467 dri2_surf->base.Height != dri2_surf->wl_win->height) {
468
469 dri2_wl_release_buffers(dri2_surf);
470
471 dri2_surf->base.Width = dri2_surf->wl_win->width;
472 dri2_surf->base.Height = dri2_surf->wl_win->height;
473 dri2_surf->dx = dri2_surf->wl_win->dx;
474 dri2_surf->dy = dri2_surf->wl_win->dy;
475 }
476
477 if (get_back_bo(dri2_surf) < 0) {
478 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
479 return -1;
480 }
481
482 /* If we have an extra unlocked buffer at this point, we had to do triple
483 * buffering for a while, but now can go back to just double buffering.
484 * That means we can free any unlocked buffer now. */
485 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
486 if (!dri2_surf->color_buffers[i].locked &&
487 dri2_surf->color_buffers[i].wl_buffer) {
488 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
489 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
490 if (dri2_dpy->is_different_gpu)
491 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
492 dri2_surf->color_buffers[i].wl_buffer = NULL;
493 dri2_surf->color_buffers[i].dri_image = NULL;
494 dri2_surf->color_buffers[i].linear_copy = NULL;
495 }
496 }
497
498 return 0;
499 }
500
501 static __DRIbuffer *
502 dri2_wl_get_buffers_with_format(__DRIdrawable * driDrawable,
503 int *width, int *height,
504 unsigned int *attachments, int count,
505 int *out_count, void *loaderPrivate)
506 {
507 struct dri2_egl_surface *dri2_surf = loaderPrivate;
508 int i, j;
509
510 if (update_buffers(dri2_surf) < 0)
511 return NULL;
512
513 for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
514 switch (attachments[i]) {
515 case __DRI_BUFFER_BACK_LEFT:
516 back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
517 break;
518 default:
519 if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
520 &dri2_surf->buffers[j]) < 0) {
521 _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
522 return NULL;
523 }
524 break;
525 }
526 }
527
528 *out_count = j;
529 if (j == 0)
530 return NULL;
531
532 *width = dri2_surf->base.Width;
533 *height = dri2_surf->base.Height;
534
535 return dri2_surf->buffers;
536 }
537
538 static __DRIbuffer *
539 dri2_wl_get_buffers(__DRIdrawable * driDrawable,
540 int *width, int *height,
541 unsigned int *attachments, int count,
542 int *out_count, void *loaderPrivate)
543 {
544 struct dri2_egl_surface *dri2_surf = loaderPrivate;
545 unsigned int *attachments_with_format;
546 __DRIbuffer *buffer;
547 unsigned int bpp;
548
549 switch (dri2_surf->format) {
550 case WL_DRM_FORMAT_ARGB8888:
551 case WL_DRM_FORMAT_XRGB8888:
552 bpp = 32;
553 break;
554 case WL_DRM_FORMAT_RGB565:
555 bpp = 16;
556 break;
557 default:
558 /* format is not supported */
559 return NULL;
560 }
561
562 attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
563 if (!attachments_with_format) {
564 *out_count = 0;
565 return NULL;
566 }
567
568 for (int i = 0; i < count; ++i) {
569 attachments_with_format[2*i] = attachments[i];
570 attachments_with_format[2*i + 1] = bpp;
571 }
572
573 buffer =
574 dri2_wl_get_buffers_with_format(driDrawable,
575 width, height,
576 attachments_with_format, count,
577 out_count, loaderPrivate);
578
579 free(attachments_with_format);
580
581 return buffer;
582 }
583
584 static int
585 image_get_buffers(__DRIdrawable *driDrawable,
586 unsigned int format,
587 uint32_t *stamp,
588 void *loaderPrivate,
589 uint32_t buffer_mask,
590 struct __DRIimageList *buffers)
591 {
592 struct dri2_egl_surface *dri2_surf = loaderPrivate;
593
594 if (update_buffers(dri2_surf) < 0)
595 return 0;
596
597 buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
598 buffers->back = dri2_surf->back->dri_image;
599
600 return 1;
601 }
602
603 static void
604 dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
605 {
606 (void) driDrawable;
607 (void) loaderPrivate;
608 }
609
610 static const __DRIdri2LoaderExtension dri2_loader_extension = {
611 .base = { __DRI_DRI2_LOADER, 3 },
612
613 .getBuffers = dri2_wl_get_buffers,
614 .flushFrontBuffer = dri2_wl_flush_front_buffer,
615 .getBuffersWithFormat = dri2_wl_get_buffers_with_format,
616 };
617
618 static const __DRIimageLoaderExtension image_loader_extension = {
619 .base = { __DRI_IMAGE_LOADER, 1 },
620
621 .getBuffers = image_get_buffers,
622 .flushFrontBuffer = dri2_wl_flush_front_buffer,
623 };
624
625 static void
626 wayland_throttle_callback(void *data,
627 struct wl_callback *callback,
628 uint32_t time)
629 {
630 struct dri2_egl_surface *dri2_surf = data;
631
632 dri2_surf->throttle_callback = NULL;
633 wl_callback_destroy(callback);
634 }
635
636 static const struct wl_callback_listener throttle_listener = {
637 .done = wayland_throttle_callback
638 };
639
640 static struct wl_buffer *
641 create_wl_buffer(struct dri2_egl_display *dri2_dpy,
642 struct dri2_egl_surface *dri2_surf,
643 __DRIimage *image)
644 {
645 struct wl_buffer *ret;
646 int width, height, fourcc;
647
648 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
649 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height);
650 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FOURCC, &fourcc);
651
652 if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
653 struct wl_drm *wl_drm =
654 dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
655 int fd, stride;
656
657 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
658 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
659 ret = wl_drm_create_prime_buffer(wl_drm, fd, width, height, fourcc, 0,
660 stride, 0, 0, 0, 0);
661 close(fd);
662 } else {
663 struct wl_drm *wl_drm =
664 dri2_surf ? dri2_surf->wl_drm_wrapper : dri2_dpy->wl_drm;
665 int name, stride;
666
667 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
668 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
669 ret = wl_drm_create_buffer(wl_drm, name, width, height, stride, fourcc);
670 }
671
672 return ret;
673 }
674
675 static EGLBoolean
676 try_damage_buffer(struct dri2_egl_surface *dri2_surf,
677 const EGLint *rects,
678 EGLint n_rects)
679 {
680 if (wl_proxy_get_version((struct wl_proxy *) dri2_surf->wl_surface_wrapper)
681 < WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
682 return EGL_FALSE;
683
684 for (int i = 0; i < n_rects; i++) {
685 const int *rect = &rects[i * 4];
686
687 wl_surface_damage_buffer(dri2_surf->wl_surface_wrapper,
688 rect[0],
689 dri2_surf->base.Height - rect[1] - rect[3],
690 rect[2], rect[3]);
691 }
692 return EGL_TRUE;
693 }
694 /**
695 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
696 */
697 static EGLBoolean
698 dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
699 _EGLDisplay *disp,
700 _EGLSurface *draw,
701 const EGLint *rects,
702 EGLint n_rects)
703 {
704 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
705 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
706
707 while (dri2_surf->throttle_callback != NULL)
708 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
709 dri2_surf->wl_queue) == -1)
710 return -1;
711
712 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
713 if (dri2_surf->color_buffers[i].age > 0)
714 dri2_surf->color_buffers[i].age++;
715
716 /* Make sure we have a back buffer in case we're swapping without ever
717 * rendering. */
718 if (get_back_bo(dri2_surf) < 0)
719 return _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
720
721 if (draw->SwapInterval > 0) {
722 dri2_surf->throttle_callback =
723 wl_surface_frame(dri2_surf->wl_surface_wrapper);
724 wl_callback_add_listener(dri2_surf->throttle_callback,
725 &throttle_listener, dri2_surf);
726 }
727
728 dri2_surf->back->age = 1;
729 dri2_surf->current = dri2_surf->back;
730 dri2_surf->back = NULL;
731
732 if (!dri2_surf->current->wl_buffer) {
733 __DRIimage *image;
734
735 if (dri2_dpy->is_different_gpu)
736 image = dri2_surf->current->linear_copy;
737 else
738 image = dri2_surf->current->dri_image;
739
740 dri2_surf->current->wl_buffer =
741 create_wl_buffer(dri2_dpy, dri2_surf, image);
742
743 wl_buffer_add_listener(dri2_surf->current->wl_buffer,
744 &wl_buffer_listener, dri2_surf);
745 }
746
747 wl_surface_attach(dri2_surf->wl_surface_wrapper,
748 dri2_surf->current->wl_buffer,
749 dri2_surf->dx, dri2_surf->dy);
750
751 dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
752 dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
753 /* reset resize growing parameters */
754 dri2_surf->dx = 0;
755 dri2_surf->dy = 0;
756
757 /* If the compositor doesn't support damage_buffer, we deliberately
758 * ignore the damage region and post maximum damage, due to
759 * https://bugs.freedesktop.org/78190 */
760 if (!n_rects || !try_damage_buffer(dri2_surf, rects, n_rects))
761 wl_surface_damage(dri2_surf->wl_surface_wrapper,
762 0, 0, INT32_MAX, INT32_MAX);
763
764 if (dri2_dpy->is_different_gpu) {
765 _EGLContext *ctx = _eglGetCurrentContext();
766 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
767 dri2_dpy->image->blitImage(dri2_ctx->dri_context,
768 dri2_surf->current->linear_copy,
769 dri2_surf->current->dri_image,
770 0, 0, dri2_surf->base.Width,
771 dri2_surf->base.Height,
772 0, 0, dri2_surf->base.Width,
773 dri2_surf->base.Height, 0);
774 }
775
776 dri2_flush_drawable_for_swapbuffers(disp, draw);
777 dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
778
779 wl_surface_commit(dri2_surf->wl_surface_wrapper);
780
781 /* If we're not waiting for a frame callback then we'll at least throttle
782 * to a sync callback so that we always give a chance for the compositor to
783 * handle the commit and send a release event before checking for a free
784 * buffer */
785 if (dri2_surf->throttle_callback == NULL) {
786 dri2_surf->throttle_callback = wl_display_sync(dri2_surf->wl_dpy_wrapper);
787 wl_callback_add_listener(dri2_surf->throttle_callback,
788 &throttle_listener, dri2_surf);
789 }
790
791 wl_display_flush(dri2_dpy->wl_dpy);
792
793 return EGL_TRUE;
794 }
795
796 static EGLint
797 dri2_wl_query_buffer_age(_EGLDriver *drv,
798 _EGLDisplay *disp, _EGLSurface *surface)
799 {
800 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
801
802 if (get_back_bo(dri2_surf) < 0) {
803 _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
804 return -1;
805 }
806
807 return dri2_surf->back->age;
808 }
809
810 static EGLBoolean
811 dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
812 {
813 return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0);
814 }
815
816 static struct wl_buffer *
817 dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv,
818 _EGLDisplay *disp,
819 _EGLImage *img)
820 {
821 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
822 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
823 __DRIimage *image = dri2_img->dri_image;
824 struct wl_buffer *buffer;
825 int format;
826
827 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
828 switch (format) {
829 case __DRI_IMAGE_FORMAT_ARGB8888:
830 if (!(dri2_dpy->formats & HAS_ARGB8888))
831 goto bad_format;
832 break;
833 case __DRI_IMAGE_FORMAT_XRGB8888:
834 if (!(dri2_dpy->formats & HAS_XRGB8888))
835 goto bad_format;
836 break;
837 default:
838 goto bad_format;
839 }
840
841 buffer = create_wl_buffer(dri2_dpy, NULL, image);
842
843 /* The buffer object will have been created with our internal event queue
844 * because it is using the wl_drm object as a proxy factory. We want the
845 * buffer to be used by the application so we'll reset it to the display's
846 * default event queue. This isn't actually racy, as the only event the
847 * buffer can get is a buffer release, which doesn't happen with an explicit
848 * attach. */
849 if (buffer)
850 wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
851
852 return buffer;
853
854 bad_format:
855 _eglError(EGL_BAD_MATCH, "unsupported image format");
856 return NULL;
857 }
858
859 static int
860 dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
861 {
862 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
863 int ret = 0;
864
865 if (dri2_dpy->is_render_node) {
866 _eglLog(_EGL_WARNING, "wayland-egl: client asks server to "
867 "authenticate for render-nodes");
868 return 0;
869 }
870 dri2_dpy->authenticated = false;
871
872 wl_drm_authenticate(dri2_dpy->wl_drm, id);
873 if (roundtrip(dri2_dpy) < 0)
874 ret = -1;
875
876 if (!dri2_dpy->authenticated)
877 ret = -1;
878
879 /* reset authenticated */
880 dri2_dpy->authenticated = true;
881
882 return ret;
883 }
884
885 static void
886 drm_handle_device(void *data, struct wl_drm *drm, const char *device)
887 {
888 struct dri2_egl_display *dri2_dpy = data;
889 drm_magic_t magic;
890
891 dri2_dpy->device_name = strdup(device);
892 if (!dri2_dpy->device_name)
893 return;
894
895 dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
896 if (dri2_dpy->fd == -1) {
897 _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
898 dri2_dpy->device_name, strerror(errno));
899 return;
900 }
901
902 if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) {
903 dri2_dpy->authenticated = true;
904 } else {
905 drmGetMagic(dri2_dpy->fd, &magic);
906 wl_drm_authenticate(dri2_dpy->wl_drm, magic);
907 }
908 }
909
910 static void
911 drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
912 {
913 struct dri2_egl_display *dri2_dpy = data;
914
915 switch (format) {
916 case WL_DRM_FORMAT_ARGB8888:
917 dri2_dpy->formats |= HAS_ARGB8888;
918 break;
919 case WL_DRM_FORMAT_XRGB8888:
920 dri2_dpy->formats |= HAS_XRGB8888;
921 break;
922 case WL_DRM_FORMAT_RGB565:
923 dri2_dpy->formats |= HAS_RGB565;
924 break;
925 }
926 }
927
928 static void
929 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
930 {
931 struct dri2_egl_display *dri2_dpy = data;
932
933 dri2_dpy->capabilities = value;
934 }
935
936 static void
937 drm_handle_authenticated(void *data, struct wl_drm *drm)
938 {
939 struct dri2_egl_display *dri2_dpy = data;
940
941 dri2_dpy->authenticated = true;
942 }
943
944 static const struct wl_drm_listener drm_listener = {
945 .device = drm_handle_device,
946 .format = drm_handle_format,
947 .authenticated = drm_handle_authenticated,
948 .capabilities = drm_handle_capabilities
949 };
950
951 static void
952 registry_handle_global_drm(void *data, struct wl_registry *registry,
953 uint32_t name, const char *interface,
954 uint32_t version)
955 {
956 struct dri2_egl_display *dri2_dpy = data;
957
958 if (strcmp(interface, "wl_drm") == 0) {
959 dri2_dpy->wl_drm =
960 wl_registry_bind(registry, name, &wl_drm_interface, MIN2(version, 2));
961 wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
962 }
963 }
964
965 static void
966 registry_handle_global_remove(void *data, struct wl_registry *registry,
967 uint32_t name)
968 {
969 }
970
971 static const struct wl_registry_listener registry_listener_drm = {
972 .global = registry_handle_global_drm,
973 .global_remove = registry_handle_global_remove
974 };
975
976 static EGLBoolean
977 dri2_wl_swap_interval(_EGLDriver *drv,
978 _EGLDisplay *disp,
979 _EGLSurface *surf,
980 EGLint interval)
981 {
982 if (interval > surf->Config->MaxSwapInterval)
983 interval = surf->Config->MaxSwapInterval;
984 else if (interval < surf->Config->MinSwapInterval)
985 interval = surf->Config->MinSwapInterval;
986
987 surf->SwapInterval = interval;
988
989 return EGL_TRUE;
990 }
991
992 static void
993 dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy)
994 {
995 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
996
997 /* We can't use values greater than 1 on Wayland because we are using the
998 * frame callback to synchronise the frame and the only way we be sure to
999 * get a frame callback is to attach a new buffer. Therefore we can't just
1000 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
1001
1002 if (dri2_dpy->config)
1003 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
1004 "vblank_mode", &vblank_mode);
1005 switch (vblank_mode) {
1006 case DRI_CONF_VBLANK_NEVER:
1007 dri2_dpy->min_swap_interval = 0;
1008 dri2_dpy->max_swap_interval = 0;
1009 dri2_dpy->default_swap_interval = 0;
1010 break;
1011 case DRI_CONF_VBLANK_ALWAYS_SYNC:
1012 dri2_dpy->min_swap_interval = 1;
1013 dri2_dpy->max_swap_interval = 1;
1014 dri2_dpy->default_swap_interval = 1;
1015 break;
1016 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
1017 dri2_dpy->min_swap_interval = 0;
1018 dri2_dpy->max_swap_interval = 1;
1019 dri2_dpy->default_swap_interval = 0;
1020 break;
1021 default:
1022 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
1023 dri2_dpy->min_swap_interval = 0;
1024 dri2_dpy->max_swap_interval = 1;
1025 dri2_dpy->default_swap_interval = 1;
1026 break;
1027 }
1028 }
1029
1030 static const struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
1031 .authenticate = dri2_wl_authenticate,
1032 .create_window_surface = dri2_wl_create_window_surface,
1033 .create_pixmap_surface = dri2_wl_create_pixmap_surface,
1034 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
1035 .destroy_surface = dri2_wl_destroy_surface,
1036 .create_image = dri2_create_image_khr,
1037 .swap_interval = dri2_wl_swap_interval,
1038 .swap_buffers = dri2_wl_swap_buffers,
1039 .swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
1040 .swap_buffers_region = dri2_fallback_swap_buffers_region,
1041 .set_damage_region = dri2_fallback_set_damage_region,
1042 .post_sub_buffer = dri2_fallback_post_sub_buffer,
1043 .copy_buffers = dri2_fallback_copy_buffers,
1044 .query_buffer_age = dri2_wl_query_buffer_age,
1045 .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
1046 .get_sync_values = dri2_fallback_get_sync_values,
1047 .get_dri_drawable = dri2_surface_get_dri_drawable,
1048 };
1049
1050 static const __DRIextension *dri2_loader_extensions[] = {
1051 &dri2_loader_extension.base,
1052 &image_loader_extension.base,
1053 &image_lookup_extension.base,
1054 &use_invalidate.base,
1055 NULL,
1056 };
1057
1058 static const __DRIextension *image_loader_extensions[] = {
1059 &image_loader_extension.base,
1060 &image_lookup_extension.base,
1061 &use_invalidate.base,
1062 NULL,
1063 };
1064
1065 static EGLBoolean
1066 dri2_wl_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
1067 {
1068 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1069 static const struct {
1070 const char *format_name;
1071 int has_format;
1072 unsigned int rgba_masks[4];
1073 } visuals[] = {
1074 { "XRGB8888", HAS_XRGB8888, { 0xff0000, 0xff00, 0x00ff, 0xff000000 } },
1075 { "ARGB8888", HAS_ARGB8888, { 0xff0000, 0xff00, 0x00ff, 0 } },
1076 { "RGB565", HAS_RGB565, { 0x00f800, 0x07e0, 0x001f, 0 } },
1077 };
1078 unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
1079 unsigned int count = 0;
1080
1081 for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
1082 for (unsigned j = 0; j < ARRAY_SIZE(visuals); j++) {
1083 struct dri2_egl_config *dri2_conf;
1084
1085 if (!(dri2_dpy->formats & visuals[j].has_format))
1086 continue;
1087
1088 dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
1089 count + 1, EGL_WINDOW_BIT, NULL, visuals[j].rgba_masks);
1090 if (dri2_conf) {
1091 if (dri2_conf->base.ConfigID == count + 1)
1092 count++;
1093 format_count[j]++;
1094 }
1095 }
1096 }
1097
1098 for (unsigned i = 0; i < ARRAY_SIZE(format_count); i++) {
1099 if (!format_count[i]) {
1100 _eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
1101 visuals[i].format_name);
1102 }
1103 }
1104
1105 return (count != 0);
1106 }
1107
1108 static EGLBoolean
1109 dri2_initialize_wayland_drm(_EGLDriver *drv, _EGLDisplay *disp)
1110 {
1111 struct dri2_egl_display *dri2_dpy;
1112
1113 loader_set_logger(_eglLog);
1114
1115 dri2_dpy = calloc(1, sizeof *dri2_dpy);
1116 if (!dri2_dpy)
1117 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1118
1119 dri2_dpy->fd = -1;
1120 disp->DriverData = (void *) dri2_dpy;
1121 if (disp->PlatformDisplay == NULL) {
1122 dri2_dpy->wl_dpy = wl_display_connect(NULL);
1123 if (dri2_dpy->wl_dpy == NULL)
1124 goto cleanup;
1125 dri2_dpy->own_device = true;
1126 } else {
1127 dri2_dpy->wl_dpy = disp->PlatformDisplay;
1128 }
1129
1130 dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
1131
1132 dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
1133 if (dri2_dpy->wl_dpy_wrapper == NULL)
1134 goto cleanup;
1135
1136 wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
1137 dri2_dpy->wl_queue);
1138
1139 if (dri2_dpy->own_device)
1140 wl_display_dispatch_pending(dri2_dpy->wl_dpy);
1141
1142 dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy_wrapper);
1143 wl_registry_add_listener(dri2_dpy->wl_registry,
1144 &registry_listener_drm, dri2_dpy);
1145 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
1146 goto cleanup;
1147
1148 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
1149 goto cleanup;
1150
1151 if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated)
1152 goto cleanup;
1153
1154 dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd,
1155 &dri2_dpy->is_different_gpu);
1156 if (dri2_dpy->is_different_gpu) {
1157 free(dri2_dpy->device_name);
1158 dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
1159 if (!dri2_dpy->device_name) {
1160 _eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name "
1161 "for requested GPU");
1162 goto cleanup;
1163 }
1164 }
1165
1166 /* we have to do the check now, because loader_get_user_preferred_fd
1167 * will return a render-node when the requested gpu is different
1168 * to the server, but also if the client asks for the same gpu than
1169 * the server by requesting its pci-id */
1170 dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
1171
1172 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd);
1173 if (dri2_dpy->driver_name == NULL) {
1174 _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
1175 goto cleanup;
1176 }
1177
1178 /* render nodes cannot use Gem names, and thus do not support
1179 * the __DRI_DRI2_LOADER extension */
1180 if (!dri2_dpy->is_render_node) {
1181 dri2_dpy->loader_extensions = dri2_loader_extensions;
1182 if (!dri2_load_driver(disp)) {
1183 _eglError(EGL_BAD_ALLOC, "DRI2: failed to load driver");
1184 goto cleanup;
1185 }
1186 } else {
1187 dri2_dpy->loader_extensions = image_loader_extensions;
1188 if (!dri2_load_driver_dri3(disp)) {
1189 _eglError(EGL_BAD_ALLOC, "DRI3: failed to load driver");
1190 goto cleanup;
1191 }
1192 }
1193
1194 if (!dri2_create_screen(disp))
1195 goto cleanup;
1196
1197 if (!dri2_setup_extensions(disp))
1198 goto cleanup;
1199
1200 dri2_setup_screen(disp);
1201
1202 dri2_wl_setup_swap_interval(dri2_dpy);
1203
1204 /* To use Prime, we must have _DRI_IMAGE v7 at least.
1205 * createImageFromFds support indicates that Prime export/import
1206 * is supported by the driver. Fall back to
1207 * gem names if we don't have Prime support. */
1208
1209 if (dri2_dpy->image->base.version < 7 ||
1210 dri2_dpy->image->createImageFromFds == NULL)
1211 dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
1212
1213 /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
1214 * The server needs to accept them */
1215 if (dri2_dpy->is_render_node &&
1216 !(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) {
1217 _eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable");
1218 goto cleanup;
1219 }
1220
1221 if (dri2_dpy->is_different_gpu &&
1222 (dri2_dpy->image->base.version < 9 ||
1223 dri2_dpy->image->blitImage == NULL)) {
1224 _eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the "
1225 "Image extension in the driver is not "
1226 "compatible. Version 9 or later and blitImage() "
1227 "are required");
1228 goto cleanup;
1229 }
1230
1231 if (!dri2_wl_add_configs_for_visuals(drv, disp)) {
1232 _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
1233 goto cleanup;
1234 }
1235
1236 dri2_set_WL_bind_wayland_display(drv, disp);
1237 /* When cannot convert EGLImage to wl_buffer when on a different gpu,
1238 * because the buffer of the EGLImage has likely a tiling mode the server
1239 * gpu won't support. These is no way to check for now. Thus do not support the
1240 * extension */
1241 if (!dri2_dpy->is_different_gpu)
1242 disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
1243
1244 disp->Extensions.EXT_buffer_age = EGL_TRUE;
1245
1246 disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
1247
1248 /* Fill vtbl last to prevent accidentally calling virtual function during
1249 * initialization.
1250 */
1251 dri2_dpy->vtbl = &dri2_wl_display_vtbl;
1252
1253 return EGL_TRUE;
1254
1255 cleanup:
1256 dri2_display_destroy(disp);
1257 return EGL_FALSE;
1258 }
1259
1260 static int
1261 dri2_wl_swrast_get_stride_for_format(int format, int w)
1262 {
1263 if (format == WL_SHM_FORMAT_RGB565)
1264 return 2 * w;
1265 else /* ARGB8888 || XRGB8888 */
1266 return 4 * w;
1267 }
1268
1269 /*
1270 * Taken from weston shared/os-compatibility.c
1271 */
1272
1273 #ifndef HAVE_MKOSTEMP
1274
1275 static int
1276 set_cloexec_or_close(int fd)
1277 {
1278 long flags;
1279
1280 if (fd == -1)
1281 return -1;
1282
1283 flags = fcntl(fd, F_GETFD);
1284 if (flags == -1)
1285 goto err;
1286
1287 if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
1288 goto err;
1289
1290 return fd;
1291
1292 err:
1293 close(fd);
1294 return -1;
1295 }
1296
1297 #endif
1298
1299 /*
1300 * Taken from weston shared/os-compatibility.c
1301 */
1302
1303 static int
1304 create_tmpfile_cloexec(char *tmpname)
1305 {
1306 int fd;
1307
1308 #ifdef HAVE_MKOSTEMP
1309 fd = mkostemp(tmpname, O_CLOEXEC);
1310 if (fd >= 0)
1311 unlink(tmpname);
1312 #else
1313 fd = mkstemp(tmpname);
1314 if (fd >= 0) {
1315 fd = set_cloexec_or_close(fd);
1316 unlink(tmpname);
1317 }
1318 #endif
1319
1320 return fd;
1321 }
1322
1323 /*
1324 * Taken from weston shared/os-compatibility.c
1325 *
1326 * Create a new, unique, anonymous file of the given size, and
1327 * return the file descriptor for it. The file descriptor is set
1328 * CLOEXEC. The file is immediately suitable for mmap()'ing
1329 * the given size at offset zero.
1330 *
1331 * The file should not have a permanent backing store like a disk,
1332 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
1333 *
1334 * The file name is deleted from the file system.
1335 *
1336 * The file is suitable for buffer sharing between processes by
1337 * transmitting the file descriptor over Unix sockets using the
1338 * SCM_RIGHTS methods.
1339 *
1340 * If the C library implements posix_fallocate(), it is used to
1341 * guarantee that disk space is available for the file at the
1342 * given size. If disk space is insufficent, errno is set to ENOSPC.
1343 * If posix_fallocate() is not supported, program may receive
1344 * SIGBUS on accessing mmap()'ed file contents instead.
1345 */
1346 static int
1347 os_create_anonymous_file(off_t size)
1348 {
1349 static const char template[] = "/mesa-shared-XXXXXX";
1350 const char *path;
1351 char *name;
1352 int fd;
1353 int ret;
1354
1355 path = getenv("XDG_RUNTIME_DIR");
1356 if (!path) {
1357 errno = ENOENT;
1358 return -1;
1359 }
1360
1361 name = malloc(strlen(path) + sizeof(template));
1362 if (!name)
1363 return -1;
1364
1365 strcpy(name, path);
1366 strcat(name, template);
1367
1368 fd = create_tmpfile_cloexec(name);
1369
1370 free(name);
1371
1372 if (fd < 0)
1373 return -1;
1374
1375 ret = ftruncate(fd, size);
1376 if (ret < 0) {
1377 close(fd);
1378 return -1;
1379 }
1380
1381 return fd;
1382 }
1383
1384
1385 static EGLBoolean
1386 dri2_wl_swrast_allocate_buffer(struct dri2_egl_surface *dri2_surf,
1387 int format, int w, int h,
1388 void **data, int *size,
1389 struct wl_buffer **buffer)
1390 {
1391 struct dri2_egl_display *dri2_dpy =
1392 dri2_egl_display(dri2_surf->base.Resource.Display);
1393 struct wl_shm_pool *pool;
1394 int fd, stride, size_map;
1395 void *data_map;
1396
1397 stride = dri2_wl_swrast_get_stride_for_format(format, w);
1398 size_map = h * stride;
1399
1400 /* Create a sharable buffer */
1401 fd = os_create_anonymous_file(size_map);
1402 if (fd < 0)
1403 return EGL_FALSE;
1404
1405 data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
1406 if (data_map == MAP_FAILED) {
1407 close(fd);
1408 return EGL_FALSE;
1409 }
1410
1411 /* Share it in a wl_buffer */
1412 pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
1413 wl_proxy_set_queue((struct wl_proxy *)pool, dri2_surf->wl_queue);
1414 *buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
1415 wl_shm_pool_destroy(pool);
1416 close(fd);
1417
1418 *data = data_map;
1419 *size = size_map;
1420 return EGL_TRUE;
1421 }
1422
1423 static int
1424 swrast_update_buffers(struct dri2_egl_surface *dri2_surf)
1425 {
1426 struct dri2_egl_display *dri2_dpy =
1427 dri2_egl_display(dri2_surf->base.Resource.Display);
1428
1429 /* we need to do the following operations only once per frame */
1430 if (dri2_surf->back)
1431 return 0;
1432
1433 if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
1434 dri2_surf->base.Height != dri2_surf->wl_win->height) {
1435
1436 dri2_wl_release_buffers(dri2_surf);
1437
1438 dri2_surf->base.Width = dri2_surf->wl_win->width;
1439 dri2_surf->base.Height = dri2_surf->wl_win->height;
1440 dri2_surf->dx = dri2_surf->wl_win->dx;
1441 dri2_surf->dy = dri2_surf->wl_win->dy;
1442 dri2_surf->current = NULL;
1443 }
1444
1445 /* find back buffer */
1446
1447 /* There might be a buffer release already queued that wasn't processed */
1448 wl_display_dispatch_queue_pending(dri2_dpy->wl_dpy, dri2_surf->wl_queue);
1449
1450 /* try get free buffer already created */
1451 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1452 if (!dri2_surf->color_buffers[i].locked &&
1453 dri2_surf->color_buffers[i].wl_buffer) {
1454 dri2_surf->back = &dri2_surf->color_buffers[i];
1455 break;
1456 }
1457 }
1458
1459 /* else choose any another free location */
1460 if (!dri2_surf->back) {
1461 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1462 if (!dri2_surf->color_buffers[i].locked) {
1463 dri2_surf->back = &dri2_surf->color_buffers[i];
1464 if (!dri2_wl_swrast_allocate_buffer(dri2_surf,
1465 dri2_surf->format,
1466 dri2_surf->base.Width,
1467 dri2_surf->base.Height,
1468 &dri2_surf->back->data,
1469 &dri2_surf->back->data_size,
1470 &dri2_surf->back->wl_buffer)) {
1471 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
1472 return -1;
1473 }
1474 wl_buffer_add_listener(dri2_surf->back->wl_buffer,
1475 &wl_buffer_listener, dri2_surf);
1476 break;
1477 }
1478 }
1479 }
1480
1481 if (!dri2_surf->back) {
1482 _eglError(EGL_BAD_ALLOC, "failed to find free buffer");
1483 return -1;
1484 }
1485
1486 dri2_surf->back->locked = true;
1487
1488 /* If we have an extra unlocked buffer at this point, we had to do triple
1489 * buffering for a while, but now can go back to just double buffering.
1490 * That means we can free any unlocked buffer now. */
1491 for (int i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1492 if (!dri2_surf->color_buffers[i].locked &&
1493 dri2_surf->color_buffers[i].wl_buffer) {
1494 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
1495 munmap(dri2_surf->color_buffers[i].data,
1496 dri2_surf->color_buffers[i].data_size);
1497 dri2_surf->color_buffers[i].wl_buffer = NULL;
1498 dri2_surf->color_buffers[i].data = NULL;
1499 }
1500 }
1501
1502 return 0;
1503 }
1504
1505 static void*
1506 dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf)
1507 {
1508 /* if there has been a resize: */
1509 if (!dri2_surf->current)
1510 return NULL;
1511
1512 return dri2_surf->current->data;
1513 }
1514
1515 static void*
1516 dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf)
1517 {
1518 assert(dri2_surf->back);
1519 return dri2_surf->back->data;
1520 }
1521
1522 static void
1523 dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf)
1524 {
1525 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
1526
1527 while (dri2_surf->throttle_callback != NULL)
1528 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
1529 dri2_surf->wl_queue) == -1)
1530 return;
1531
1532 if (dri2_surf->base.SwapInterval > 0) {
1533 dri2_surf->throttle_callback =
1534 wl_surface_frame(dri2_surf->wl_surface_wrapper);
1535 wl_callback_add_listener(dri2_surf->throttle_callback,
1536 &throttle_listener, dri2_surf);
1537 }
1538
1539 dri2_surf->current = dri2_surf->back;
1540 dri2_surf->back = NULL;
1541
1542 wl_surface_attach(dri2_surf->wl_surface_wrapper,
1543 dri2_surf->current->wl_buffer,
1544 dri2_surf->dx, dri2_surf->dy);
1545
1546 dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
1547 dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
1548 /* reset resize growing parameters */
1549 dri2_surf->dx = 0;
1550 dri2_surf->dy = 0;
1551
1552 wl_surface_damage(dri2_surf->wl_surface_wrapper,
1553 0, 0, INT32_MAX, INT32_MAX);
1554 wl_surface_commit(dri2_surf->wl_surface_wrapper);
1555
1556 /* If we're not waiting for a frame callback then we'll at least throttle
1557 * to a sync callback so that we always give a chance for the compositor to
1558 * handle the commit and send a release event before checking for a free
1559 * buffer */
1560 if (dri2_surf->throttle_callback == NULL) {
1561 dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy_wrapper);
1562 wl_callback_add_listener(dri2_surf->throttle_callback,
1563 &throttle_listener, dri2_surf);
1564 }
1565
1566 wl_display_flush(dri2_dpy->wl_dpy);
1567 }
1568
1569 static void
1570 dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw,
1571 int *x, int *y, int *w, int *h,
1572 void *loaderPrivate)
1573 {
1574 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1575
1576 (void) swrast_update_buffers(dri2_surf);
1577 *x = 0;
1578 *y = 0;
1579 *w = dri2_surf->base.Width;
1580 *h = dri2_surf->base.Height;
1581 }
1582
1583 static void
1584 dri2_wl_swrast_get_image(__DRIdrawable * read,
1585 int x, int y, int w, int h,
1586 char *data, void *loaderPrivate)
1587 {
1588 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1589 int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1590 int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
1591 int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
1592 int dst_stride = copy_width;
1593 char *src, *dst;
1594
1595 src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf);
1596 if (!src) {
1597 memset(data, 0, copy_width * h);
1598 return;
1599 }
1600
1601 assert(data != src);
1602 assert(copy_width <= src_stride);
1603
1604 src += x_offset;
1605 src += y * src_stride;
1606 dst = data;
1607
1608 if (copy_width > src_stride-x_offset)
1609 copy_width = src_stride-x_offset;
1610 if (h > dri2_surf->base.Height-y)
1611 h = dri2_surf->base.Height-y;
1612
1613 for (; h>0; h--) {
1614 memcpy(dst, src, copy_width);
1615 src += src_stride;
1616 dst += dst_stride;
1617 }
1618 }
1619
1620 static void
1621 dri2_wl_swrast_put_image2(__DRIdrawable * draw, int op,
1622 int x, int y, int w, int h, int stride,
1623 char *data, void *loaderPrivate)
1624 {
1625 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1626 int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1627 int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
1628 int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
1629 char *src, *dst;
1630
1631 assert(copy_width <= stride);
1632
1633 (void) swrast_update_buffers(dri2_surf);
1634 dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf);
1635
1636 /* partial copy, copy old content */
1637 if (copy_width < dst_stride)
1638 dri2_wl_swrast_get_image(draw, 0, 0,
1639 dri2_surf->base.Width, dri2_surf->base.Height,
1640 dst, loaderPrivate);
1641
1642 dst += x_offset;
1643 dst += y * dst_stride;
1644
1645 src = data;
1646
1647 /* drivers expect we do these checks (and some rely on it) */
1648 if (copy_width > dst_stride-x_offset)
1649 copy_width = dst_stride-x_offset;
1650 if (h > dri2_surf->base.Height-y)
1651 h = dri2_surf->base.Height-y;
1652
1653 for (; h>0; h--) {
1654 memcpy(dst, src, copy_width);
1655 src += stride;
1656 dst += dst_stride;
1657 }
1658 dri2_wl_swrast_commit_backbuffer(dri2_surf);
1659 }
1660
1661 static void
1662 dri2_wl_swrast_put_image(__DRIdrawable * draw, int op,
1663 int x, int y, int w, int h,
1664 char *data, void *loaderPrivate)
1665 {
1666 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1667 int stride;
1668
1669 stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1670 dri2_wl_swrast_put_image2(draw, op, x, y, w, h,
1671 stride, data, loaderPrivate);
1672 }
1673
1674 static EGLBoolean
1675 dri2_wl_swrast_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
1676 {
1677 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1678 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1679
1680 dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
1681 return EGL_TRUE;
1682 }
1683
1684 static void
1685 shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
1686 {
1687 struct dri2_egl_display *dri2_dpy = data;
1688
1689 switch (format) {
1690 case WL_SHM_FORMAT_ARGB8888:
1691 dri2_dpy->formats |= HAS_ARGB8888;
1692 break;
1693 case WL_SHM_FORMAT_XRGB8888:
1694 dri2_dpy->formats |= HAS_XRGB8888;
1695 break;
1696 case WL_SHM_FORMAT_RGB565:
1697 dri2_dpy->formats |= HAS_RGB565;
1698 break;
1699 }
1700 }
1701
1702 static const struct wl_shm_listener shm_listener = {
1703 .format = shm_handle_format
1704 };
1705
1706 static void
1707 registry_handle_global_swrast(void *data, struct wl_registry *registry,
1708 uint32_t name, const char *interface,
1709 uint32_t version)
1710 {
1711 struct dri2_egl_display *dri2_dpy = data;
1712
1713 if (strcmp(interface, "wl_shm") == 0) {
1714 dri2_dpy->wl_shm =
1715 wl_registry_bind(registry, name, &wl_shm_interface, 1);
1716 wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy);
1717 }
1718 }
1719
1720 static const struct wl_registry_listener registry_listener_swrast = {
1721 .global = registry_handle_global_swrast,
1722 .global_remove = registry_handle_global_remove
1723 };
1724
1725 static const struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
1726 .authenticate = NULL,
1727 .create_window_surface = dri2_wl_create_window_surface,
1728 .create_pixmap_surface = dri2_wl_create_pixmap_surface,
1729 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
1730 .destroy_surface = dri2_wl_destroy_surface,
1731 .create_image = dri2_fallback_create_image_khr,
1732 .swap_interval = dri2_wl_swap_interval,
1733 .swap_buffers = dri2_wl_swrast_swap_buffers,
1734 .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
1735 .swap_buffers_region = dri2_fallback_swap_buffers_region,
1736 .post_sub_buffer = dri2_fallback_post_sub_buffer,
1737 .copy_buffers = dri2_fallback_copy_buffers,
1738 .query_buffer_age = dri2_fallback_query_buffer_age,
1739 .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
1740 .get_sync_values = dri2_fallback_get_sync_values,
1741 .get_dri_drawable = dri2_surface_get_dri_drawable,
1742 };
1743
1744 static const __DRIswrastLoaderExtension swrast_loader_extension = {
1745 .base = { __DRI_SWRAST_LOADER, 2 },
1746
1747 .getDrawableInfo = dri2_wl_swrast_get_drawable_info,
1748 .putImage = dri2_wl_swrast_put_image,
1749 .getImage = dri2_wl_swrast_get_image,
1750 .putImage2 = dri2_wl_swrast_put_image2,
1751 };
1752
1753 static const __DRIextension *swrast_loader_extensions[] = {
1754 &swrast_loader_extension.base,
1755 NULL,
1756 };
1757
1758 static EGLBoolean
1759 dri2_initialize_wayland_swrast(_EGLDriver *drv, _EGLDisplay *disp)
1760 {
1761 struct dri2_egl_display *dri2_dpy;
1762
1763 loader_set_logger(_eglLog);
1764
1765 dri2_dpy = calloc(1, sizeof *dri2_dpy);
1766 if (!dri2_dpy)
1767 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1768
1769 dri2_dpy->fd = -1;
1770 disp->DriverData = (void *) dri2_dpy;
1771 if (disp->PlatformDisplay == NULL) {
1772 dri2_dpy->wl_dpy = wl_display_connect(NULL);
1773 if (dri2_dpy->wl_dpy == NULL)
1774 goto cleanup;
1775 dri2_dpy->own_device = true;
1776 } else {
1777 dri2_dpy->wl_dpy = disp->PlatformDisplay;
1778 }
1779
1780 dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
1781
1782 dri2_dpy->wl_dpy_wrapper = wl_proxy_create_wrapper(dri2_dpy->wl_dpy);
1783 if (dri2_dpy->wl_dpy_wrapper == NULL)
1784 goto cleanup;
1785
1786 wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_dpy_wrapper,
1787 dri2_dpy->wl_queue);
1788
1789 if (dri2_dpy->own_device)
1790 wl_display_dispatch_pending(dri2_dpy->wl_dpy);
1791
1792 dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy_wrapper);
1793 wl_registry_add_listener(dri2_dpy->wl_registry,
1794 &registry_listener_swrast, dri2_dpy);
1795
1796 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
1797 goto cleanup;
1798
1799 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->formats == 0)
1800 goto cleanup;
1801
1802 dri2_dpy->driver_name = strdup("swrast");
1803 if (!dri2_load_driver_swrast(disp))
1804 goto cleanup;
1805
1806 dri2_dpy->loader_extensions = swrast_loader_extensions;
1807
1808 if (!dri2_create_screen(disp))
1809 goto cleanup;
1810
1811 if (!dri2_setup_extensions(disp))
1812 goto cleanup;
1813
1814 dri2_setup_screen(disp);
1815
1816 dri2_wl_setup_swap_interval(dri2_dpy);
1817
1818 if (!dri2_wl_add_configs_for_visuals(drv, disp)) {
1819 _eglError(EGL_NOT_INITIALIZED, "DRI2: failed to add configs");
1820 goto cleanup;
1821 }
1822
1823 /* Fill vtbl last to prevent accidentally calling virtual function during
1824 * initialization.
1825 */
1826 dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
1827
1828 return EGL_TRUE;
1829
1830 cleanup:
1831 dri2_display_destroy(disp);
1832 return EGL_FALSE;
1833 }
1834
1835 EGLBoolean
1836 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
1837 {
1838 EGLBoolean initialized = EGL_TRUE;
1839
1840 int hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
1841
1842 if (hw_accel) {
1843 if (!dri2_initialize_wayland_drm(drv, disp)) {
1844 initialized = dri2_initialize_wayland_swrast(drv, disp);
1845 }
1846 } else {
1847 initialized = dri2_initialize_wayland_swrast(drv, disp);
1848 }
1849
1850 return initialized;
1851
1852 }