2 * Copyright © 2011-2012 Intel Corporation
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:
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
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
25 * Kristian Høgsberg <krh@bitplanet.net>
26 * Benjamin Franzke <benjaminfranzke@googlemail.com>
40 #include "egl_dri2_fallbacks.h"
43 #include <wayland-client.h>
44 #include "wayland-drm-client-protocol.h"
46 enum wl_drm_format_flags {
53 dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
57 sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
62 wl_callback_destroy(callback);
65 static const struct wl_callback_listener sync_listener = {
70 roundtrip(struct dri2_egl_display *dri2_dpy)
72 struct wl_callback *callback;
73 int done = 0, ret = 0;
75 callback = wl_display_sync(dri2_dpy->wl_dpy);
76 wl_callback_add_listener(callback, &sync_listener, &done);
77 wl_proxy_set_queue((struct wl_proxy *) callback, dri2_dpy->wl_queue);
78 while (ret != -1 && !done)
79 ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
82 wl_callback_destroy(callback);
88 wl_buffer_release(void *data, struct wl_buffer *buffer)
90 struct dri2_egl_surface *dri2_surf = data;
93 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
94 if (dri2_surf->color_buffers[i].wl_buffer == buffer)
97 if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
98 wl_buffer_destroy(buffer);
102 dri2_surf->color_buffers[i].locked = 0;
105 static struct wl_buffer_listener wl_buffer_listener = {
110 resize_callback(struct wl_egl_window *wl_win, void *data)
112 struct dri2_egl_surface *dri2_surf = data;
113 struct dri2_egl_display *dri2_dpy =
114 dri2_egl_display(dri2_surf->base.Resource.Display);
116 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
120 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
123 dri2_wl_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
124 _EGLConfig *conf, void *native_window,
125 const EGLint *attrib_list)
127 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
128 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
129 struct wl_egl_window *window = native_window;
130 struct dri2_egl_surface *dri2_surf;
134 dri2_surf = calloc(1, sizeof *dri2_surf);
136 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
140 if (!_eglInitSurface(&dri2_surf->base, disp, type, conf, attrib_list))
143 if (conf->RedSize == 5)
144 dri2_surf->format = WL_DRM_FORMAT_RGB565;
145 else if (conf->AlphaSize == 0)
146 dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
148 dri2_surf->format = WL_DRM_FORMAT_ARGB8888;
152 dri2_surf->wl_win = window;
154 dri2_surf->wl_win->private = dri2_surf;
155 dri2_surf->wl_win->resize_callback = resize_callback;
157 dri2_surf->base.Width = -1;
158 dri2_surf->base.Height = -1;
164 dri2_surf->dri_drawable =
165 (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
166 type == EGL_WINDOW_BIT ?
167 dri2_conf->dri_double_config :
168 dri2_conf->dri_single_config,
170 if (dri2_surf->dri_drawable == NULL) {
171 _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
172 goto cleanup_dri_drawable;
175 return &dri2_surf->base;
177 cleanup_dri_drawable:
178 dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
186 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
189 dri2_wl_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
190 _EGLConfig *conf, void *native_window,
191 const EGLint *attrib_list)
193 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
196 surf = dri2_wl_create_surface(drv, disp, EGL_WINDOW_BIT, conf,
197 native_window, attrib_list);
200 dri2_wl_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval);
206 dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
207 _EGLConfig *conf, void *native_window,
208 const EGLint *attrib_list)
210 /* From the EGL_EXT_platform_wayland spec, version 3:
212 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
213 * that belongs to Wayland. Any such call fails and generates
216 _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
222 * Called via eglDestroySurface(), drv->API.DestroySurface().
225 dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
227 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
228 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
233 if (!_eglPutSurface(surf))
236 (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
238 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
239 if (dri2_surf->color_buffers[i].wl_buffer)
240 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
241 if (dri2_surf->color_buffers[i].dri_image)
242 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
245 for (i = 0; i < __DRI_BUFFER_COUNT; i++)
246 if (dri2_surf->dri_buffers[i] &&
247 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
248 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
249 dri2_surf->dri_buffers[i]);
251 if (dri2_surf->throttle_callback)
252 wl_callback_destroy(dri2_surf->throttle_callback);
254 if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
255 dri2_surf->wl_win->private = NULL;
256 dri2_surf->wl_win->resize_callback = NULL;
265 dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
267 struct dri2_egl_display *dri2_dpy =
268 dri2_egl_display(dri2_surf->base.Resource.Display);
271 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
272 if (dri2_surf->color_buffers[i].wl_buffer &&
273 !dri2_surf->color_buffers[i].locked)
274 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
275 if (dri2_surf->color_buffers[i].dri_image)
276 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
278 dri2_surf->color_buffers[i].wl_buffer = NULL;
279 dri2_surf->color_buffers[i].dri_image = NULL;
280 dri2_surf->color_buffers[i].locked = 0;
283 for (i = 0; i < __DRI_BUFFER_COUNT; i++)
284 if (dri2_surf->dri_buffers[i] &&
285 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
286 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
287 dri2_surf->dri_buffers[i]);
291 get_back_bo(struct dri2_egl_surface *dri2_surf)
293 struct dri2_egl_display *dri2_dpy =
294 dri2_egl_display(dri2_surf->base.Resource.Display);
296 unsigned int dri_image_format;
298 /* currently supports three WL DRM formats,
299 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
300 * and WL_DRM_FORMAT_RGB565
302 switch (dri2_surf->format) {
303 case WL_DRM_FORMAT_ARGB8888:
304 dri_image_format = __DRI_IMAGE_FORMAT_ARGB8888;
306 case WL_DRM_FORMAT_XRGB8888:
307 dri_image_format = __DRI_IMAGE_FORMAT_XRGB8888;
309 case WL_DRM_FORMAT_RGB565:
310 dri_image_format = __DRI_IMAGE_FORMAT_RGB565;
313 /* format is not supported */
317 /* We always want to throttle to some event (either a frame callback or
318 * a sync request) after the commit so that we can be sure the
319 * compositor has had a chance to handle it and send us a release event
320 * before we look for a free buffer */
321 while (dri2_surf->throttle_callback != NULL)
322 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
323 dri2_dpy->wl_queue) == -1)
326 if (dri2_surf->back == NULL) {
327 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
328 /* Get an unlocked buffer, preferrably one with a dri_buffer
329 * already allocated. */
330 if (dri2_surf->color_buffers[i].locked)
332 if (dri2_surf->back == NULL)
333 dri2_surf->back = &dri2_surf->color_buffers[i];
334 else if (dri2_surf->back->dri_image == NULL)
335 dri2_surf->back = &dri2_surf->color_buffers[i];
339 if (dri2_surf->back == NULL)
341 if (dri2_surf->back->dri_image == NULL) {
342 dri2_surf->back->dri_image =
343 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
344 dri2_surf->base.Width,
345 dri2_surf->base.Height,
347 __DRI_IMAGE_USE_SHARE,
349 dri2_surf->back->age = 0;
351 if (dri2_surf->back->dri_image == NULL)
354 dri2_surf->back->locked = 1;
361 back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
363 struct dri2_egl_display *dri2_dpy =
364 dri2_egl_display(dri2_surf->base.Resource.Display);
368 image = dri2_surf->back->dri_image;
370 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
371 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
373 buffer->attachment = __DRI_BUFFER_BACK_LEFT;
375 buffer->pitch = pitch;
381 get_aux_bo(struct dri2_egl_surface *dri2_surf,
382 unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
384 struct dri2_egl_display *dri2_dpy =
385 dri2_egl_display(dri2_surf->base.Resource.Display);
386 __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
389 b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
391 dri2_surf->base.Width,
392 dri2_surf->base.Height);
393 dri2_surf->dri_buffers[attachment] = b;
398 memcpy(buffer, b, sizeof *buffer);
404 update_buffers(struct dri2_egl_surface *dri2_surf)
406 struct dri2_egl_display *dri2_dpy =
407 dri2_egl_display(dri2_surf->base.Resource.Display);
410 if (dri2_surf->base.Type == EGL_WINDOW_BIT &&
411 (dri2_surf->base.Width != dri2_surf->wl_win->width ||
412 dri2_surf->base.Height != dri2_surf->wl_win->height)) {
414 dri2_wl_release_buffers(dri2_surf);
416 dri2_surf->base.Width = dri2_surf->wl_win->width;
417 dri2_surf->base.Height = dri2_surf->wl_win->height;
418 dri2_surf->dx = dri2_surf->wl_win->dx;
419 dri2_surf->dy = dri2_surf->wl_win->dy;
422 if (get_back_bo(dri2_surf) < 0) {
423 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
427 /* If we have an extra unlocked buffer at this point, we had to do triple
428 * buffering for a while, but now can go back to just double buffering.
429 * That means we can free any unlocked buffer now. */
430 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
431 if (!dri2_surf->color_buffers[i].locked &&
432 dri2_surf->color_buffers[i].wl_buffer) {
433 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
434 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
435 dri2_surf->color_buffers[i].wl_buffer = NULL;
436 dri2_surf->color_buffers[i].dri_image = NULL;
444 dri2_wl_get_buffers_with_format(__DRIdrawable * driDrawable,
445 int *width, int *height,
446 unsigned int *attachments, int count,
447 int *out_count, void *loaderPrivate)
449 struct dri2_egl_surface *dri2_surf = loaderPrivate;
452 if (update_buffers(dri2_surf) < 0)
455 for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
456 switch (attachments[i]) {
457 case __DRI_BUFFER_BACK_LEFT:
458 back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
461 if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
462 &dri2_surf->buffers[j]) < 0) {
463 _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
474 *width = dri2_surf->base.Width;
475 *height = dri2_surf->base.Height;
477 return dri2_surf->buffers;
481 dri2_wl_get_buffers(__DRIdrawable * driDrawable,
482 int *width, int *height,
483 unsigned int *attachments, int count,
484 int *out_count, void *loaderPrivate)
486 struct dri2_egl_surface *dri2_surf = loaderPrivate;
487 unsigned int *attachments_with_format;
493 switch (dri2_surf->format) {
494 case WL_DRM_FORMAT_ARGB8888:
495 case WL_DRM_FORMAT_XRGB8888:
498 case WL_DRM_FORMAT_RGB565:
502 /* format is not supported */
506 attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
507 if (!attachments_with_format) {
512 for (i = 0; i < count; ++i) {
513 attachments_with_format[2*i] = attachments[i];
514 attachments_with_format[2*i + 1] = bpp;
518 dri2_wl_get_buffers_with_format(driDrawable,
520 attachments_with_format, count,
521 out_count, loaderPrivate);
523 free(attachments_with_format);
529 image_get_buffers(__DRIdrawable *driDrawable,
533 uint32_t buffer_mask,
534 struct __DRIimageList *buffers)
536 struct dri2_egl_surface *dri2_surf = loaderPrivate;
538 if (update_buffers(dri2_surf) < 0)
541 buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
542 buffers->back = dri2_surf->back->dri_image;
548 dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
551 (void) loaderPrivate;
554 static const __DRIimageLoaderExtension image_loader_extension = {
555 .base = { __DRI_IMAGE_LOADER, 1 },
557 .getBuffers = image_get_buffers,
558 .flushFrontBuffer = dri2_wl_flush_front_buffer,
562 wayland_throttle_callback(void *data,
563 struct wl_callback *callback,
566 struct dri2_egl_surface *dri2_surf = data;
568 dri2_surf->throttle_callback = NULL;
569 wl_callback_destroy(callback);
572 static const struct wl_callback_listener throttle_listener = {
573 wayland_throttle_callback
577 create_wl_buffer(struct dri2_egl_surface *dri2_surf)
579 struct dri2_egl_display *dri2_dpy =
580 dri2_egl_display(dri2_surf->base.Resource.Display);
581 int fd, stride, name;
583 if (dri2_surf->current->wl_buffer != NULL)
586 if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
587 dri2_dpy->image->queryImage(dri2_surf->current->dri_image,
588 __DRI_IMAGE_ATTRIB_FD, &fd);
589 dri2_dpy->image->queryImage(dri2_surf->current->dri_image,
590 __DRI_IMAGE_ATTRIB_STRIDE, &stride);
592 dri2_surf->current->wl_buffer =
593 wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
595 dri2_surf->base.Width,
596 dri2_surf->base.Height,
603 dri2_dpy->image->queryImage(dri2_surf->current->dri_image,
604 __DRI_IMAGE_ATTRIB_NAME, &name);
605 dri2_dpy->image->queryImage(dri2_surf->current->dri_image,
606 __DRI_IMAGE_ATTRIB_STRIDE, &stride);
608 dri2_surf->current->wl_buffer =
609 wl_drm_create_buffer(dri2_dpy->wl_drm,
611 dri2_surf->base.Width,
612 dri2_surf->base.Height,
617 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->current->wl_buffer,
619 wl_buffer_add_listener(dri2_surf->current->wl_buffer,
620 &wl_buffer_listener, dri2_surf);
624 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
627 dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
633 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
634 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
637 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
638 if (dri2_surf->color_buffers[i].age > 0)
639 dri2_surf->color_buffers[i].age++;
641 /* Make sure we have a back buffer in case we're swapping without ever
643 if (get_back_bo(dri2_surf) < 0) {
644 _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
648 if (draw->SwapInterval > 0) {
649 dri2_surf->throttle_callback =
650 wl_surface_frame(dri2_surf->wl_win->surface);
651 wl_callback_add_listener(dri2_surf->throttle_callback,
652 &throttle_listener, dri2_surf);
653 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
657 dri2_surf->back->age = 1;
658 dri2_surf->current = dri2_surf->back;
659 dri2_surf->back = NULL;
661 create_wl_buffer(dri2_surf);
663 wl_surface_attach(dri2_surf->wl_win->surface,
664 dri2_surf->current->wl_buffer,
665 dri2_surf->dx, dri2_surf->dy);
667 dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
668 dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
669 /* reset resize growing parameters */
674 wl_surface_damage(dri2_surf->wl_win->surface,
675 0, 0, INT32_MAX, INT32_MAX);
677 for (i = 0; i < n_rects; i++) {
678 const int *rect = &rects[i * 4];
679 wl_surface_damage(dri2_surf->wl_win->surface,
681 dri2_surf->base.Height - rect[1] - rect[3],
686 dri2_flush_drawable_for_swapbuffers(disp, draw);
687 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
689 wl_surface_commit(dri2_surf->wl_win->surface);
691 /* If we're not waiting for a frame callback then we'll at least throttle
692 * to a sync callback so that we always give a chance for the compositor to
693 * handle the commit and send a release event before checking for a free
695 if (dri2_surf->throttle_callback == NULL) {
696 dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
697 wl_callback_add_listener(dri2_surf->throttle_callback,
698 &throttle_listener, dri2_surf);
699 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
703 wl_display_flush(dri2_dpy->wl_dpy);
709 dri2_wl_query_buffer_age(_EGLDriver *drv,
710 _EGLDisplay *disp, _EGLSurface *surface)
712 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
714 if (get_back_bo(dri2_surf) < 0) {
715 _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
719 return dri2_surf->back->age;
723 dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
725 return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0);
728 static struct wl_buffer *
729 dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv,
733 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
734 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
735 __DRIimage *image = dri2_img->dri_image;
736 struct wl_buffer *buffer;
737 int width, height, format, pitch;
738 enum wl_drm_format wl_format;
740 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
743 case __DRI_IMAGE_FORMAT_ARGB8888:
744 if (!(dri2_dpy->formats & HAS_ARGB8888))
746 wl_format = WL_DRM_FORMAT_ARGB8888;
748 case __DRI_IMAGE_FORMAT_XRGB8888:
749 if (!(dri2_dpy->formats & HAS_XRGB8888))
751 wl_format = WL_DRM_FORMAT_XRGB8888;
757 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
758 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height);
759 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
761 if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
764 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
767 wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
779 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
782 wl_drm_create_buffer(dri2_dpy->wl_drm,
789 /* The buffer object will have been created with our internal event queue
790 * because it is using the wl_drm object as a proxy factory. We want the
791 * buffer to be used by the application so we'll reset it to the display's
792 * default event queue */
794 wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
799 _eglError(EGL_BAD_MATCH, "unsupported image format");
804 dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
806 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
809 dri2_dpy->authenticated = 0;
811 wl_drm_authenticate(dri2_dpy->wl_drm, id);
812 if (roundtrip(dri2_dpy) < 0)
815 if (!dri2_dpy->authenticated)
818 /* reset authenticated */
819 dri2_dpy->authenticated = 1;
825 drm_handle_device(void *data, struct wl_drm *drm, const char *device)
827 struct dri2_egl_display *dri2_dpy = data;
830 dri2_dpy->device_name = strdup(device);
831 if (!dri2_dpy->device_name)
835 dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC);
836 if (dri2_dpy->fd == -1 && errno == EINVAL)
839 dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR);
840 if (dri2_dpy->fd != -1)
841 fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) |
844 if (dri2_dpy->fd == -1) {
845 _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
846 dri2_dpy->device_name, strerror(errno));
850 drmGetMagic(dri2_dpy->fd, &magic);
851 wl_drm_authenticate(dri2_dpy->wl_drm, magic);
855 drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
857 struct dri2_egl_display *dri2_dpy = data;
860 case WL_DRM_FORMAT_ARGB8888:
861 dri2_dpy->formats |= HAS_ARGB8888;
863 case WL_DRM_FORMAT_XRGB8888:
864 dri2_dpy->formats |= HAS_XRGB8888;
866 case WL_DRM_FORMAT_RGB565:
867 dri2_dpy->formats |= HAS_RGB565;
873 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
875 struct dri2_egl_display *dri2_dpy = data;
877 dri2_dpy->capabilities = value;
881 drm_handle_authenticated(void *data, struct wl_drm *drm)
883 struct dri2_egl_display *dri2_dpy = data;
885 dri2_dpy->authenticated = 1;
888 static const struct wl_drm_listener drm_listener = {
891 drm_handle_authenticated,
892 drm_handle_capabilities
896 registry_handle_global(void *data, struct wl_registry *registry, uint32_t name,
897 const char *interface, uint32_t version)
899 struct dri2_egl_display *dri2_dpy = data;
903 if (strcmp(interface, "wl_drm") == 0) {
905 wl_registry_bind(registry, name, &wl_drm_interface, version);
906 wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
911 registry_handle_global_remove(void *data, struct wl_registry *registry,
916 static const struct wl_registry_listener registry_listener = {
917 registry_handle_global,
918 registry_handle_global_remove
922 dri2_wl_swap_interval(_EGLDriver *drv,
927 if (interval > surf->Config->MaxSwapInterval)
928 interval = surf->Config->MaxSwapInterval;
929 else if (interval < surf->Config->MinSwapInterval)
930 interval = surf->Config->MinSwapInterval;
932 surf->SwapInterval = interval;
938 dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy)
940 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
942 /* We can't use values greater than 1 on Wayland because we are using the
943 * frame callback to synchronise the frame and the only way we be sure to
944 * get a frame callback is to attach a new buffer. Therefore we can't just
945 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
947 if (dri2_dpy->config)
948 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
949 "vblank_mode", &vblank_mode);
950 switch (vblank_mode) {
951 case DRI_CONF_VBLANK_NEVER:
952 dri2_dpy->min_swap_interval = 0;
953 dri2_dpy->max_swap_interval = 0;
954 dri2_dpy->default_swap_interval = 0;
956 case DRI_CONF_VBLANK_ALWAYS_SYNC:
957 dri2_dpy->min_swap_interval = 1;
958 dri2_dpy->max_swap_interval = 1;
959 dri2_dpy->default_swap_interval = 1;
961 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
962 dri2_dpy->min_swap_interval = 0;
963 dri2_dpy->max_swap_interval = 1;
964 dri2_dpy->default_swap_interval = 0;
967 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
968 dri2_dpy->min_swap_interval = 0;
969 dri2_dpy->max_swap_interval = 1;
970 dri2_dpy->default_swap_interval = 1;
975 static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
976 .authenticate = dri2_wl_authenticate,
977 .create_window_surface = dri2_wl_create_window_surface,
978 .create_pixmap_surface = dri2_wl_create_pixmap_surface,
979 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
980 .destroy_surface = dri2_wl_destroy_surface,
981 .create_image = dri2_create_image_khr,
982 .swap_interval = dri2_wl_swap_interval,
983 .swap_buffers = dri2_wl_swap_buffers,
984 .swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
985 .swap_buffers_region = dri2_fallback_swap_buffers_region,
986 .post_sub_buffer = dri2_fallback_post_sub_buffer,
987 .copy_buffers = dri2_fallback_copy_buffers,
988 .query_buffer_age = dri2_wl_query_buffer_age,
989 .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
990 .get_sync_values = dri2_fallback_get_sync_values,
994 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
996 struct dri2_egl_display *dri2_dpy;
997 const __DRIconfig *config;
1000 static const unsigned int argb_masks[4] =
1001 { 0xff0000, 0xff00, 0xff, 0xff000000 };
1002 static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
1003 static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
1005 loader_set_logger(_eglLog);
1007 dri2_dpy = calloc(1, sizeof *dri2_dpy);
1009 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1011 disp->DriverData = (void *) dri2_dpy;
1012 if (disp->PlatformDisplay == NULL) {
1013 dri2_dpy->wl_dpy = wl_display_connect(NULL);
1014 if (dri2_dpy->wl_dpy == NULL)
1016 dri2_dpy->own_device = 1;
1018 dri2_dpy->wl_dpy = disp->PlatformDisplay;
1021 dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
1023 if (dri2_dpy->own_device)
1024 wl_display_dispatch_pending(dri2_dpy->wl_dpy);
1026 dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
1027 wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
1028 dri2_dpy->wl_queue);
1029 wl_registry_add_listener(dri2_dpy->wl_registry,
1030 ®istry_listener, dri2_dpy);
1031 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
1032 goto cleanup_registry;
1034 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
1037 if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated)
1040 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
1041 if (dri2_dpy->driver_name == NULL) {
1042 _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
1046 if (!dri2_load_driver(disp))
1047 goto cleanup_driver_name;
1049 dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
1050 dri2_dpy->dri2_loader_extension.base.version = 3;
1051 dri2_dpy->dri2_loader_extension.getBuffers = dri2_wl_get_buffers;
1052 dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_wl_flush_front_buffer;
1053 dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
1054 dri2_wl_get_buffers_with_format;
1056 dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
1057 dri2_dpy->extensions[1] = &image_loader_extension.base;
1058 dri2_dpy->extensions[2] = &image_lookup_extension.base;
1059 dri2_dpy->extensions[3] = &use_invalidate.base;
1060 dri2_dpy->extensions[4] = NULL;
1062 dri2_dpy->swap_available = EGL_TRUE;
1064 if (!dri2_create_screen(disp))
1065 goto cleanup_driver;
1067 dri2_wl_setup_swap_interval(dri2_dpy);
1069 /* The server shouldn't advertise WL_DRM_CAPABILITY_PRIME if the driver
1070 * doesn't have createImageFromFds, since we're using the same driver on
1071 * both sides. We don't want crash if that happens anyway, so fall back to
1072 * gem names if we don't have prime support. */
1074 if (dri2_dpy->image->base.version < 7 ||
1075 dri2_dpy->image->createImageFromFds == NULL)
1076 dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
1078 types = EGL_WINDOW_BIT;
1079 for (i = 0; dri2_dpy->driver_configs[i]; i++) {
1080 config = dri2_dpy->driver_configs[i];
1081 if (dri2_dpy->formats & HAS_XRGB8888)
1082 dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
1083 if (dri2_dpy->formats & HAS_ARGB8888)
1084 dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
1085 if (dri2_dpy->formats & HAS_RGB565)
1086 dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
1089 disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
1090 disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
1091 disp->Extensions.EXT_buffer_age = EGL_TRUE;
1093 disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
1095 /* we're supporting EGL 1.4 */
1096 disp->VersionMajor = 1;
1097 disp->VersionMinor = 4;
1099 /* Fill vtbl last to prevent accidentally calling virtual function during
1102 dri2_dpy->vtbl = &dri2_wl_display_vtbl;
1107 dlclose(dri2_dpy->driver);
1108 cleanup_driver_name:
1109 free(dri2_dpy->driver_name);
1111 close(dri2_dpy->fd);
1113 free(dri2_dpy->device_name);
1114 wl_drm_destroy(dri2_dpy->wl_drm);
1116 wl_registry_destroy(dri2_dpy->wl_registry);
1117 wl_event_queue_destroy(dri2_dpy->wl_queue);