2 * Copyright © 2011-2012 Intel Corporation
3 * Copyright © 2012 Collabora, Ltd.
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:
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
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.
26 * Kristian Høgsberg <krh@bitplanet.net>
27 * Benjamin Franzke <benjaminfranzke@googlemail.com>
42 #include "egl_dri2_fallbacks.h"
45 #include <wayland-client.h>
46 #include "wayland-drm-client-protocol.h"
48 enum wl_drm_format_flags {
55 dri2_wl_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
59 sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
64 wl_callback_destroy(callback);
67 static const struct wl_callback_listener sync_listener = {
72 roundtrip(struct dri2_egl_display *dri2_dpy)
74 struct wl_callback *callback;
75 int done = 0, ret = 0;
77 callback = wl_display_sync(dri2_dpy->wl_dpy);
78 wl_callback_add_listener(callback, &sync_listener, &done);
79 wl_proxy_set_queue((struct wl_proxy *) callback, dri2_dpy->wl_queue);
80 while (ret != -1 && !done)
81 ret = wl_display_dispatch_queue(dri2_dpy->wl_dpy, dri2_dpy->wl_queue);
84 wl_callback_destroy(callback);
90 wl_buffer_release(void *data, struct wl_buffer *buffer)
92 struct dri2_egl_surface *dri2_surf = data;
95 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); ++i)
96 if (dri2_surf->color_buffers[i].wl_buffer == buffer)
99 if (i == ARRAY_SIZE(dri2_surf->color_buffers)) {
100 wl_buffer_destroy(buffer);
104 dri2_surf->color_buffers[i].locked = 0;
107 static const struct wl_buffer_listener wl_buffer_listener = {
108 .release = wl_buffer_release
112 resize_callback(struct wl_egl_window *wl_win, void *data)
114 struct dri2_egl_surface *dri2_surf = data;
115 struct dri2_egl_display *dri2_dpy =
116 dri2_egl_display(dri2_surf->base.Resource.Display);
118 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
122 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
125 dri2_wl_create_surface(_EGLDriver *drv, _EGLDisplay *disp,
126 _EGLConfig *conf, void *native_window,
127 const EGLint *attrib_list)
129 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
130 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
131 struct wl_egl_window *window = native_window;
132 struct dri2_egl_surface *dri2_surf;
133 const __DRIconfig *config;
137 dri2_surf = calloc(1, sizeof *dri2_surf);
139 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
143 if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list))
146 if (conf->RedSize == 5)
147 dri2_surf->format = WL_DRM_FORMAT_RGB565;
148 else if (conf->AlphaSize == 0)
149 dri2_surf->format = WL_DRM_FORMAT_XRGB8888;
151 dri2_surf->format = WL_DRM_FORMAT_ARGB8888;
154 _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
158 dri2_surf->wl_win = window;
160 dri2_surf->wl_win->private = dri2_surf;
161 dri2_surf->wl_win->resize_callback = resize_callback;
163 dri2_surf->base.Width = -1;
164 dri2_surf->base.Height = -1;
166 config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
167 dri2_surf->base.GLColorspace);
169 dri2_surf->dri_drawable =
170 (*dri2_dpy->dri2->createNewDrawable)(dri2_dpy->dri_screen, config,
172 if (dri2_surf->dri_drawable == NULL) {
173 _eglError(EGL_BAD_ALLOC, "dri2->createNewDrawable");
177 return &dri2_surf->base;
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, conf, native_window, attrib_list);
199 dri2_wl_swap_interval(drv, disp, surf, dri2_dpy->default_swap_interval);
205 dri2_wl_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
206 _EGLConfig *conf, void *native_window,
207 const EGLint *attrib_list)
209 /* From the EGL_EXT_platform_wayland spec, version 3:
211 * It is not valid to call eglCreatePlatformPixmapSurfaceEXT with a <dpy>
212 * that belongs to Wayland. Any such call fails and generates
215 _eglError(EGL_BAD_PARAMETER, "cannot create EGL pixmap surfaces on "
221 * Called via eglDestroySurface(), drv->API.DestroySurface().
224 dri2_wl_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
226 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
227 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
232 if (!_eglPutSurface(surf))
235 (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
237 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
238 if (dri2_surf->color_buffers[i].wl_buffer)
239 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
240 if (dri2_surf->color_buffers[i].dri_image)
241 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
242 if (dri2_surf->color_buffers[i].linear_copy)
243 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
244 if (dri2_surf->color_buffers[i].data)
245 munmap(dri2_surf->color_buffers[i].data,
246 dri2_surf->color_buffers[i].data_size);
249 if (dri2_dpy->dri2) {
250 for (i = 0; i < __DRI_BUFFER_COUNT; i++)
251 if (dri2_surf->dri_buffers[i] &&
252 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
253 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
254 dri2_surf->dri_buffers[i]);
257 if (dri2_surf->throttle_callback)
258 wl_callback_destroy(dri2_surf->throttle_callback);
260 dri2_surf->wl_win->private = NULL;
261 dri2_surf->wl_win->resize_callback = NULL;
269 dri2_wl_release_buffers(struct dri2_egl_surface *dri2_surf)
271 struct dri2_egl_display *dri2_dpy =
272 dri2_egl_display(dri2_surf->base.Resource.Display);
275 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
276 if (dri2_surf->color_buffers[i].wl_buffer &&
277 !dri2_surf->color_buffers[i].locked)
278 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
279 if (dri2_surf->color_buffers[i].dri_image)
280 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
281 if (dri2_surf->color_buffers[i].linear_copy)
282 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
283 if (dri2_surf->color_buffers[i].data)
284 munmap(dri2_surf->color_buffers[i].data,
285 dri2_surf->color_buffers[i].data_size);
287 dri2_surf->color_buffers[i].wl_buffer = NULL;
288 dri2_surf->color_buffers[i].dri_image = NULL;
289 dri2_surf->color_buffers[i].linear_copy = NULL;
290 dri2_surf->color_buffers[i].data = NULL;
291 dri2_surf->color_buffers[i].locked = 0;
294 if (dri2_dpy->dri2) {
295 for (i = 0; i < __DRI_BUFFER_COUNT; i++)
296 if (dri2_surf->dri_buffers[i] &&
297 dri2_surf->dri_buffers[i]->attachment != __DRI_BUFFER_BACK_LEFT)
298 dri2_dpy->dri2->releaseBuffer(dri2_dpy->dri_screen,
299 dri2_surf->dri_buffers[i]);
304 get_back_bo(struct dri2_egl_surface *dri2_surf)
306 struct dri2_egl_display *dri2_dpy =
307 dri2_egl_display(dri2_surf->base.Resource.Display);
309 unsigned int dri_image_format;
311 /* currently supports three WL DRM formats,
312 * WL_DRM_FORMAT_ARGB8888, WL_DRM_FORMAT_XRGB8888,
313 * and WL_DRM_FORMAT_RGB565
315 switch (dri2_surf->format) {
316 case WL_DRM_FORMAT_ARGB8888:
317 dri_image_format = __DRI_IMAGE_FORMAT_ARGB8888;
319 case WL_DRM_FORMAT_XRGB8888:
320 dri_image_format = __DRI_IMAGE_FORMAT_XRGB8888;
322 case WL_DRM_FORMAT_RGB565:
323 dri_image_format = __DRI_IMAGE_FORMAT_RGB565;
326 /* format is not supported */
330 /* We always want to throttle to some event (either a frame callback or
331 * a sync request) after the commit so that we can be sure the
332 * compositor has had a chance to handle it and send us a release event
333 * before we look for a free buffer */
334 while (dri2_surf->throttle_callback != NULL)
335 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
336 dri2_dpy->wl_queue) == -1)
339 if (dri2_surf->back == NULL) {
340 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
341 /* Get an unlocked buffer, preferrably one with a dri_buffer
342 * already allocated. */
343 if (dri2_surf->color_buffers[i].locked)
345 if (dri2_surf->back == NULL)
346 dri2_surf->back = &dri2_surf->color_buffers[i];
347 else if (dri2_surf->back->dri_image == NULL)
348 dri2_surf->back = &dri2_surf->color_buffers[i];
352 if (dri2_surf->back == NULL)
355 use_flags = __DRI_IMAGE_USE_SHARE | __DRI_IMAGE_USE_BACKBUFFER;
357 if (dri2_dpy->is_different_gpu &&
358 dri2_surf->back->linear_copy == NULL) {
359 dri2_surf->back->linear_copy =
360 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
361 dri2_surf->base.Width,
362 dri2_surf->base.Height,
365 __DRI_IMAGE_USE_LINEAR,
367 if (dri2_surf->back->linear_copy == NULL)
371 if (dri2_surf->back->dri_image == NULL) {
372 dri2_surf->back->dri_image =
373 dri2_dpy->image->createImage(dri2_dpy->dri_screen,
374 dri2_surf->base.Width,
375 dri2_surf->base.Height,
377 dri2_dpy->is_different_gpu ?
380 dri2_surf->back->age = 0;
382 if (dri2_surf->back->dri_image == NULL)
385 dri2_surf->back->locked = 1;
392 back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
394 struct dri2_egl_display *dri2_dpy =
395 dri2_egl_display(dri2_surf->base.Resource.Display);
399 image = dri2_surf->back->dri_image;
401 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
402 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
404 buffer->attachment = __DRI_BUFFER_BACK_LEFT;
406 buffer->pitch = pitch;
412 get_aux_bo(struct dri2_egl_surface *dri2_surf,
413 unsigned int attachment, unsigned int format, __DRIbuffer *buffer)
415 struct dri2_egl_display *dri2_dpy =
416 dri2_egl_display(dri2_surf->base.Resource.Display);
417 __DRIbuffer *b = dri2_surf->dri_buffers[attachment];
420 b = dri2_dpy->dri2->allocateBuffer(dri2_dpy->dri_screen,
422 dri2_surf->base.Width,
423 dri2_surf->base.Height);
424 dri2_surf->dri_buffers[attachment] = b;
429 memcpy(buffer, b, sizeof *buffer);
435 update_buffers(struct dri2_egl_surface *dri2_surf)
437 struct dri2_egl_display *dri2_dpy =
438 dri2_egl_display(dri2_surf->base.Resource.Display);
441 if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
442 dri2_surf->base.Height != dri2_surf->wl_win->height) {
444 dri2_wl_release_buffers(dri2_surf);
446 dri2_surf->base.Width = dri2_surf->wl_win->width;
447 dri2_surf->base.Height = dri2_surf->wl_win->height;
448 dri2_surf->dx = dri2_surf->wl_win->dx;
449 dri2_surf->dy = dri2_surf->wl_win->dy;
452 if (get_back_bo(dri2_surf) < 0) {
453 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
457 /* If we have an extra unlocked buffer at this point, we had to do triple
458 * buffering for a while, but now can go back to just double buffering.
459 * That means we can free any unlocked buffer now. */
460 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
461 if (!dri2_surf->color_buffers[i].locked &&
462 dri2_surf->color_buffers[i].wl_buffer) {
463 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
464 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].dri_image);
465 if (dri2_dpy->is_different_gpu)
466 dri2_dpy->image->destroyImage(dri2_surf->color_buffers[i].linear_copy);
467 dri2_surf->color_buffers[i].wl_buffer = NULL;
468 dri2_surf->color_buffers[i].dri_image = NULL;
469 dri2_surf->color_buffers[i].linear_copy = NULL;
477 dri2_wl_get_buffers_with_format(__DRIdrawable * driDrawable,
478 int *width, int *height,
479 unsigned int *attachments, int count,
480 int *out_count, void *loaderPrivate)
482 struct dri2_egl_surface *dri2_surf = loaderPrivate;
485 if (update_buffers(dri2_surf) < 0)
488 for (i = 0, j = 0; i < 2 * count; i += 2, j++) {
489 switch (attachments[i]) {
490 case __DRI_BUFFER_BACK_LEFT:
491 back_bo_to_dri_buffer(dri2_surf, &dri2_surf->buffers[j]);
494 if (get_aux_bo(dri2_surf, attachments[i], attachments[i + 1],
495 &dri2_surf->buffers[j]) < 0) {
496 _eglError(EGL_BAD_ALLOC, "failed to allocate aux buffer");
507 *width = dri2_surf->base.Width;
508 *height = dri2_surf->base.Height;
510 return dri2_surf->buffers;
514 dri2_wl_get_buffers(__DRIdrawable * driDrawable,
515 int *width, int *height,
516 unsigned int *attachments, int count,
517 int *out_count, void *loaderPrivate)
519 struct dri2_egl_surface *dri2_surf = loaderPrivate;
520 unsigned int *attachments_with_format;
526 switch (dri2_surf->format) {
527 case WL_DRM_FORMAT_ARGB8888:
528 case WL_DRM_FORMAT_XRGB8888:
531 case WL_DRM_FORMAT_RGB565:
535 /* format is not supported */
539 attachments_with_format = calloc(count, 2 * sizeof(unsigned int));
540 if (!attachments_with_format) {
545 for (i = 0; i < count; ++i) {
546 attachments_with_format[2*i] = attachments[i];
547 attachments_with_format[2*i + 1] = bpp;
551 dri2_wl_get_buffers_with_format(driDrawable,
553 attachments_with_format, count,
554 out_count, loaderPrivate);
556 free(attachments_with_format);
562 image_get_buffers(__DRIdrawable *driDrawable,
566 uint32_t buffer_mask,
567 struct __DRIimageList *buffers)
569 struct dri2_egl_surface *dri2_surf = loaderPrivate;
571 if (update_buffers(dri2_surf) < 0)
574 buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
575 buffers->back = dri2_surf->back->dri_image;
581 dri2_wl_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
584 (void) loaderPrivate;
587 static const __DRIimageLoaderExtension image_loader_extension = {
588 .base = { __DRI_IMAGE_LOADER, 1 },
590 .getBuffers = image_get_buffers,
591 .flushFrontBuffer = dri2_wl_flush_front_buffer,
595 wayland_throttle_callback(void *data,
596 struct wl_callback *callback,
599 struct dri2_egl_surface *dri2_surf = data;
601 dri2_surf->throttle_callback = NULL;
602 wl_callback_destroy(callback);
605 static const struct wl_callback_listener throttle_listener = {
606 .done = wayland_throttle_callback
610 create_wl_buffer(struct dri2_egl_surface *dri2_surf)
612 struct dri2_egl_display *dri2_dpy =
613 dri2_egl_display(dri2_surf->base.Resource.Display);
615 int fd, stride, name;
617 if (dri2_surf->current->wl_buffer != NULL)
620 if (dri2_dpy->is_different_gpu) {
621 image = dri2_surf->current->linear_copy;
623 image = dri2_surf->current->dri_image;
625 if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
626 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
627 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
629 dri2_surf->current->wl_buffer =
630 wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
632 dri2_surf->base.Width,
633 dri2_surf->base.Height,
640 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
641 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &stride);
643 dri2_surf->current->wl_buffer =
644 wl_drm_create_buffer(dri2_dpy->wl_drm,
646 dri2_surf->base.Width,
647 dri2_surf->base.Height,
652 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->current->wl_buffer,
654 wl_buffer_add_listener(dri2_surf->current->wl_buffer,
655 &wl_buffer_listener, dri2_surf);
659 try_damage_buffer(struct dri2_egl_surface *dri2_surf,
663 /* The WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION macro and
664 * wl_proxy_get_version() were both introduced in wayland 1.10.
665 * Instead of bumping our wayland dependency we just make this
666 * function conditional on the required 1.10 features, falling
667 * back to old (correct but suboptimal) behaviour for older
670 #ifdef WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION
673 if (wl_proxy_get_version((struct wl_proxy *) dri2_surf->wl_win->surface)
674 < WL_SURFACE_DAMAGE_BUFFER_SINCE_VERSION)
677 for (i = 0; i < n_rects; i++) {
678 const int *rect = &rects[i * 4];
680 wl_surface_damage_buffer(dri2_surf->wl_win->surface,
682 dri2_surf->base.Height - rect[1] - rect[3],
690 * Called via eglSwapBuffers(), drv->API.SwapBuffers().
693 dri2_wl_swap_buffers_with_damage(_EGLDriver *drv,
699 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
700 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
703 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
704 if (dri2_surf->color_buffers[i].age > 0)
705 dri2_surf->color_buffers[i].age++;
707 /* Make sure we have a back buffer in case we're swapping without ever
709 if (get_back_bo(dri2_surf) < 0) {
710 _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
714 if (draw->SwapInterval > 0) {
715 dri2_surf->throttle_callback =
716 wl_surface_frame(dri2_surf->wl_win->surface);
717 wl_callback_add_listener(dri2_surf->throttle_callback,
718 &throttle_listener, dri2_surf);
719 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
723 dri2_surf->back->age = 1;
724 dri2_surf->current = dri2_surf->back;
725 dri2_surf->back = NULL;
727 create_wl_buffer(dri2_surf);
729 wl_surface_attach(dri2_surf->wl_win->surface,
730 dri2_surf->current->wl_buffer,
731 dri2_surf->dx, dri2_surf->dy);
733 dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
734 dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
735 /* reset resize growing parameters */
739 /* If the compositor doesn't support damage_buffer, we deliberately
740 * ignore the damage region and post maximum damage, due to
741 * https://bugs.freedesktop.org/78190 */
742 if (!n_rects || !try_damage_buffer(dri2_surf, rects, n_rects))
743 wl_surface_damage(dri2_surf->wl_win->surface,
744 0, 0, INT32_MAX, INT32_MAX);
746 if (dri2_dpy->is_different_gpu) {
747 _EGLContext *ctx = _eglGetCurrentContext();
748 struct dri2_egl_context *dri2_ctx = dri2_egl_context(ctx);
749 dri2_dpy->image->blitImage(dri2_ctx->dri_context,
750 dri2_surf->current->linear_copy,
751 dri2_surf->current->dri_image,
752 0, 0, dri2_surf->base.Width,
753 dri2_surf->base.Height,
754 0, 0, dri2_surf->base.Width,
755 dri2_surf->base.Height, 0);
758 dri2_flush_drawable_for_swapbuffers(disp, draw);
759 (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
761 wl_surface_commit(dri2_surf->wl_win->surface);
763 /* If we're not waiting for a frame callback then we'll at least throttle
764 * to a sync callback so that we always give a chance for the compositor to
765 * handle the commit and send a release event before checking for a free
767 if (dri2_surf->throttle_callback == NULL) {
768 dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
769 wl_callback_add_listener(dri2_surf->throttle_callback,
770 &throttle_listener, dri2_surf);
771 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
775 wl_display_flush(dri2_dpy->wl_dpy);
781 dri2_wl_query_buffer_age(_EGLDriver *drv,
782 _EGLDisplay *disp, _EGLSurface *surface)
784 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
786 if (get_back_bo(dri2_surf) < 0) {
787 _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
791 return dri2_surf->back->age;
795 dri2_wl_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
797 return dri2_wl_swap_buffers_with_damage (drv, disp, draw, NULL, 0);
800 static struct wl_buffer *
801 dri2_wl_create_wayland_buffer_from_image(_EGLDriver *drv,
805 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
806 struct dri2_egl_image *dri2_img = dri2_egl_image(img);
807 __DRIimage *image = dri2_img->dri_image;
808 struct wl_buffer *buffer;
809 int width, height, format, pitch;
810 enum wl_drm_format wl_format;
812 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FORMAT, &format);
815 case __DRI_IMAGE_FORMAT_ARGB8888:
816 if (!(dri2_dpy->formats & HAS_ARGB8888))
818 wl_format = WL_DRM_FORMAT_ARGB8888;
820 case __DRI_IMAGE_FORMAT_XRGB8888:
821 if (!(dri2_dpy->formats & HAS_XRGB8888))
823 wl_format = WL_DRM_FORMAT_XRGB8888;
829 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_WIDTH, &width);
830 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_HEIGHT, &height);
831 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
833 if (dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME) {
836 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_FD, &fd);
839 wl_drm_create_prime_buffer(dri2_dpy->wl_drm,
851 dri2_dpy->image->queryImage(image, __DRI_IMAGE_ATTRIB_NAME, &name);
854 wl_drm_create_buffer(dri2_dpy->wl_drm,
861 /* The buffer object will have been created with our internal event queue
862 * because it is using the wl_drm object as a proxy factory. We want the
863 * buffer to be used by the application so we'll reset it to the display's
864 * default event queue */
866 wl_proxy_set_queue((struct wl_proxy *) buffer, NULL);
871 _eglError(EGL_BAD_MATCH, "unsupported image format");
876 dri2_wl_authenticate(_EGLDisplay *disp, uint32_t id)
878 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
881 if (dri2_dpy->is_render_node) {
882 _eglLog(_EGL_WARNING, "wayland-egl: client asks server to "
883 "authenticate for render-nodes");
886 dri2_dpy->authenticated = 0;
888 wl_drm_authenticate(dri2_dpy->wl_drm, id);
889 if (roundtrip(dri2_dpy) < 0)
892 if (!dri2_dpy->authenticated)
895 /* reset authenticated */
896 dri2_dpy->authenticated = 1;
902 drm_handle_device(void *data, struct wl_drm *drm, const char *device)
904 struct dri2_egl_display *dri2_dpy = data;
907 dri2_dpy->device_name = strdup(device);
908 if (!dri2_dpy->device_name)
911 dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
912 if (dri2_dpy->fd == -1) {
913 _eglLog(_EGL_WARNING, "wayland-egl: could not open %s (%s)",
914 dri2_dpy->device_name, strerror(errno));
918 if (drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER) {
919 dri2_dpy->authenticated = 1;
921 drmGetMagic(dri2_dpy->fd, &magic);
922 wl_drm_authenticate(dri2_dpy->wl_drm, magic);
927 drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
929 struct dri2_egl_display *dri2_dpy = data;
932 case WL_DRM_FORMAT_ARGB8888:
933 dri2_dpy->formats |= HAS_ARGB8888;
935 case WL_DRM_FORMAT_XRGB8888:
936 dri2_dpy->formats |= HAS_XRGB8888;
938 case WL_DRM_FORMAT_RGB565:
939 dri2_dpy->formats |= HAS_RGB565;
945 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
947 struct dri2_egl_display *dri2_dpy = data;
949 dri2_dpy->capabilities = value;
953 drm_handle_authenticated(void *data, struct wl_drm *drm)
955 struct dri2_egl_display *dri2_dpy = data;
957 dri2_dpy->authenticated = 1;
960 static const struct wl_drm_listener drm_listener = {
961 .device = drm_handle_device,
962 .format = drm_handle_format,
963 .authenticated = drm_handle_authenticated,
964 .capabilities = drm_handle_capabilities
968 registry_handle_global_drm(void *data, struct wl_registry *registry, uint32_t name,
969 const char *interface, uint32_t version)
971 struct dri2_egl_display *dri2_dpy = data;
975 if (strcmp(interface, "wl_drm") == 0) {
977 wl_registry_bind(registry, name, &wl_drm_interface, version);
978 wl_drm_add_listener(dri2_dpy->wl_drm, &drm_listener, dri2_dpy);
983 registry_handle_global_remove(void *data, struct wl_registry *registry,
988 static const struct wl_registry_listener registry_listener_drm = {
989 .global = registry_handle_global_drm,
990 .global_remove = registry_handle_global_remove
994 dri2_wl_swap_interval(_EGLDriver *drv,
999 if (interval > surf->Config->MaxSwapInterval)
1000 interval = surf->Config->MaxSwapInterval;
1001 else if (interval < surf->Config->MinSwapInterval)
1002 interval = surf->Config->MinSwapInterval;
1004 surf->SwapInterval = interval;
1010 dri2_wl_setup_swap_interval(struct dri2_egl_display *dri2_dpy)
1012 GLint vblank_mode = DRI_CONF_VBLANK_DEF_INTERVAL_1;
1014 /* We can't use values greater than 1 on Wayland because we are using the
1015 * frame callback to synchronise the frame and the only way we be sure to
1016 * get a frame callback is to attach a new buffer. Therefore we can't just
1017 * sit drawing nothing to wait until the next ‘n’ frame callbacks */
1019 if (dri2_dpy->config)
1020 dri2_dpy->config->configQueryi(dri2_dpy->dri_screen,
1021 "vblank_mode", &vblank_mode);
1022 switch (vblank_mode) {
1023 case DRI_CONF_VBLANK_NEVER:
1024 dri2_dpy->min_swap_interval = 0;
1025 dri2_dpy->max_swap_interval = 0;
1026 dri2_dpy->default_swap_interval = 0;
1028 case DRI_CONF_VBLANK_ALWAYS_SYNC:
1029 dri2_dpy->min_swap_interval = 1;
1030 dri2_dpy->max_swap_interval = 1;
1031 dri2_dpy->default_swap_interval = 1;
1033 case DRI_CONF_VBLANK_DEF_INTERVAL_0:
1034 dri2_dpy->min_swap_interval = 0;
1035 dri2_dpy->max_swap_interval = 1;
1036 dri2_dpy->default_swap_interval = 0;
1039 case DRI_CONF_VBLANK_DEF_INTERVAL_1:
1040 dri2_dpy->min_swap_interval = 0;
1041 dri2_dpy->max_swap_interval = 1;
1042 dri2_dpy->default_swap_interval = 1;
1047 static struct dri2_egl_display_vtbl dri2_wl_display_vtbl = {
1048 .authenticate = dri2_wl_authenticate,
1049 .create_window_surface = dri2_wl_create_window_surface,
1050 .create_pixmap_surface = dri2_wl_create_pixmap_surface,
1051 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
1052 .destroy_surface = dri2_wl_destroy_surface,
1053 .create_image = dri2_create_image_khr,
1054 .swap_interval = dri2_wl_swap_interval,
1055 .swap_buffers = dri2_wl_swap_buffers,
1056 .swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
1057 .swap_buffers_region = dri2_fallback_swap_buffers_region,
1058 .post_sub_buffer = dri2_fallback_post_sub_buffer,
1059 .copy_buffers = dri2_fallback_copy_buffers,
1060 .query_buffer_age = dri2_wl_query_buffer_age,
1061 .create_wayland_buffer_from_image = dri2_wl_create_wayland_buffer_from_image,
1062 .get_sync_values = dri2_fallback_get_sync_values,
1063 .get_dri_drawable = dri2_surface_get_dri_drawable,
1067 dri2_initialize_wayland_drm(_EGLDriver *drv, _EGLDisplay *disp)
1069 struct dri2_egl_display *dri2_dpy;
1070 const __DRIconfig *config;
1073 static const unsigned int argb_masks[4] =
1074 { 0xff0000, 0xff00, 0xff, 0xff000000 };
1075 static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
1076 static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
1078 loader_set_logger(_eglLog);
1080 dri2_dpy = calloc(1, sizeof *dri2_dpy);
1082 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1084 disp->DriverData = (void *) dri2_dpy;
1085 if (disp->PlatformDisplay == NULL) {
1086 dri2_dpy->wl_dpy = wl_display_connect(NULL);
1087 if (dri2_dpy->wl_dpy == NULL)
1089 dri2_dpy->own_device = 1;
1091 dri2_dpy->wl_dpy = disp->PlatformDisplay;
1094 dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
1096 if (dri2_dpy->own_device)
1097 wl_display_dispatch_pending(dri2_dpy->wl_dpy);
1099 dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
1100 wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
1101 dri2_dpy->wl_queue);
1102 wl_registry_add_listener(dri2_dpy->wl_registry,
1103 ®istry_listener_drm, dri2_dpy);
1104 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_drm == NULL)
1105 goto cleanup_registry;
1107 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->fd == -1)
1110 if (roundtrip(dri2_dpy) < 0 || !dri2_dpy->authenticated)
1113 dri2_dpy->fd = loader_get_user_preferred_fd(dri2_dpy->fd,
1114 &dri2_dpy->is_different_gpu);
1115 if (dri2_dpy->is_different_gpu) {
1116 free(dri2_dpy->device_name);
1117 dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
1118 if (!dri2_dpy->device_name) {
1119 _eglError(EGL_BAD_ALLOC, "wayland-egl: failed to get device name "
1120 "for requested GPU");
1125 /* we have to do the check now, because loader_get_user_preferred_fd
1126 * will return a render-node when the requested gpu is different
1127 * to the server, but also if the client asks for the same gpu than
1128 * the server by requesting its pci-id */
1129 dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
1131 dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
1132 if (dri2_dpy->driver_name == NULL) {
1133 _eglError(EGL_BAD_ALLOC, "DRI2: failed to get driver name");
1137 if (!dri2_load_driver(disp))
1138 goto cleanup_driver_name;
1140 dri2_dpy->extensions[0] = &image_loader_extension.base;
1141 dri2_dpy->extensions[1] = &image_lookup_extension.base;
1142 dri2_dpy->extensions[2] = &use_invalidate.base;
1144 /* render nodes cannot use Gem names, and thus do not support
1145 * the __DRI_DRI2_LOADER extension */
1146 if (!dri2_dpy->is_render_node) {
1147 dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
1148 dri2_dpy->dri2_loader_extension.base.version = 3;
1149 dri2_dpy->dri2_loader_extension.getBuffers = dri2_wl_get_buffers;
1150 dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_wl_flush_front_buffer;
1151 dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
1152 dri2_wl_get_buffers_with_format;
1153 dri2_dpy->extensions[3] = &dri2_dpy->dri2_loader_extension.base;
1154 dri2_dpy->extensions[4] = NULL;
1156 dri2_dpy->extensions[3] = NULL;
1158 dri2_dpy->swap_available = EGL_TRUE;
1160 if (!dri2_create_screen(disp))
1161 goto cleanup_driver;
1163 dri2_wl_setup_swap_interval(dri2_dpy);
1165 /* To use Prime, we must have _DRI_IMAGE v7 at least.
1166 * createImageFromFds support indicates that Prime export/import
1167 * is supported by the driver. Fall back to
1168 * gem names if we don't have Prime support. */
1170 if (dri2_dpy->image->base.version < 7 ||
1171 dri2_dpy->image->createImageFromFds == NULL)
1172 dri2_dpy->capabilities &= ~WL_DRM_CAPABILITY_PRIME;
1174 /* We cannot use Gem names with render-nodes, only prime fds (dma-buf).
1175 * The server needs to accept them */
1176 if (dri2_dpy->is_render_node &&
1177 !(dri2_dpy->capabilities & WL_DRM_CAPABILITY_PRIME)) {
1178 _eglLog(_EGL_WARNING, "wayland-egl: display is not render-node capable");
1179 goto cleanup_screen;
1182 if (dri2_dpy->is_different_gpu &&
1183 (dri2_dpy->image->base.version < 9 ||
1184 dri2_dpy->image->blitImage == NULL)) {
1185 _eglLog(_EGL_WARNING, "wayland-egl: Different GPU selected, but the "
1186 "Image extension in the driver is not "
1187 "compatible. Version 9 or later and blitImage() "
1189 goto cleanup_screen;
1192 types = EGL_WINDOW_BIT;
1193 for (i = 0; dri2_dpy->driver_configs[i]; i++) {
1194 config = dri2_dpy->driver_configs[i];
1195 if (dri2_dpy->formats & HAS_XRGB8888)
1196 dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
1197 if (dri2_dpy->formats & HAS_ARGB8888)
1198 dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
1199 if (dri2_dpy->formats & HAS_RGB565)
1200 dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
1203 disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
1204 /* When cannot convert EGLImage to wl_buffer when on a different gpu,
1205 * because the buffer of the EGLImage has likely a tiling mode the server
1206 * gpu won't support. These is no way to check for now. Thus do not support the
1208 if (!dri2_dpy->is_different_gpu) {
1209 disp->Extensions.WL_create_wayland_buffer_from_image = EGL_TRUE;
1211 dri2_wl_display_vtbl.create_wayland_buffer_from_image =
1212 dri2_fallback_create_wayland_buffer_from_image;
1214 disp->Extensions.EXT_buffer_age = EGL_TRUE;
1216 disp->Extensions.EXT_swap_buffers_with_damage = EGL_TRUE;
1218 /* Fill vtbl last to prevent accidentally calling virtual function during
1221 dri2_dpy->vtbl = &dri2_wl_display_vtbl;
1226 dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
1228 dlclose(dri2_dpy->driver);
1229 cleanup_driver_name:
1230 free(dri2_dpy->driver_name);
1232 close(dri2_dpy->fd);
1234 free(dri2_dpy->device_name);
1235 wl_drm_destroy(dri2_dpy->wl_drm);
1237 wl_registry_destroy(dri2_dpy->wl_registry);
1238 wl_event_queue_destroy(dri2_dpy->wl_queue);
1246 dri2_wl_swrast_get_stride_for_format(int format, int w)
1248 if (format == WL_SHM_FORMAT_RGB565)
1250 else /* ARGB8888 || XRGB8888 */
1255 * Taken from weston shared/os-compatibility.c
1258 #ifndef HAVE_MKOSTEMP
1261 set_cloexec_or_close(int fd)
1268 flags = fcntl(fd, F_GETFD);
1272 if (fcntl(fd, F_SETFD, flags | FD_CLOEXEC) == -1)
1285 * Taken from weston shared/os-compatibility.c
1289 create_tmpfile_cloexec(char *tmpname)
1293 #ifdef HAVE_MKOSTEMP
1294 fd = mkostemp(tmpname, O_CLOEXEC);
1298 fd = mkstemp(tmpname);
1300 fd = set_cloexec_or_close(fd);
1309 * Taken from weston shared/os-compatibility.c
1311 * Create a new, unique, anonymous file of the given size, and
1312 * return the file descriptor for it. The file descriptor is set
1313 * CLOEXEC. The file is immediately suitable for mmap()'ing
1314 * the given size at offset zero.
1316 * The file should not have a permanent backing store like a disk,
1317 * but may have if XDG_RUNTIME_DIR is not properly implemented in OS.
1319 * The file name is deleted from the file system.
1321 * The file is suitable for buffer sharing between processes by
1322 * transmitting the file descriptor over Unix sockets using the
1323 * SCM_RIGHTS methods.
1325 * If the C library implements posix_fallocate(), it is used to
1326 * guarantee that disk space is available for the file at the
1327 * given size. If disk space is insufficent, errno is set to ENOSPC.
1328 * If posix_fallocate() is not supported, program may receive
1329 * SIGBUS on accessing mmap()'ed file contents instead.
1332 os_create_anonymous_file(off_t size)
1334 static const char template[] = "/mesa-shared-XXXXXX";
1340 path = getenv("XDG_RUNTIME_DIR");
1346 name = malloc(strlen(path) + sizeof(template));
1351 strcat(name, template);
1353 fd = create_tmpfile_cloexec(name);
1360 ret = ftruncate(fd, size);
1371 dri2_wl_swrast_allocate_buffer(struct dri2_egl_display *dri2_dpy,
1372 int format, int w, int h,
1373 void **data, int *size,
1374 struct wl_buffer **buffer)
1376 struct wl_shm_pool *pool;
1377 int fd, stride, size_map;
1380 stride = dri2_wl_swrast_get_stride_for_format(format, w);
1381 size_map = h * stride;
1383 /* Create a sharable buffer */
1384 fd = os_create_anonymous_file(size_map);
1388 data_map = mmap(NULL, size_map, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
1389 if (data_map == MAP_FAILED) {
1394 /* Share it in a wl_buffer */
1395 pool = wl_shm_create_pool(dri2_dpy->wl_shm, fd, size_map);
1396 *buffer = wl_shm_pool_create_buffer(pool, 0, w, h, stride, format);
1397 wl_shm_pool_destroy(pool);
1406 swrast_update_buffers(struct dri2_egl_surface *dri2_surf)
1408 struct dri2_egl_display *dri2_dpy =
1409 dri2_egl_display(dri2_surf->base.Resource.Display);
1412 /* we need to do the following operations only once per frame */
1413 if (dri2_surf->back)
1416 if (dri2_surf->base.Width != dri2_surf->wl_win->width ||
1417 dri2_surf->base.Height != dri2_surf->wl_win->height) {
1419 dri2_wl_release_buffers(dri2_surf);
1421 dri2_surf->base.Width = dri2_surf->wl_win->width;
1422 dri2_surf->base.Height = dri2_surf->wl_win->height;
1423 dri2_surf->dx = dri2_surf->wl_win->dx;
1424 dri2_surf->dy = dri2_surf->wl_win->dy;
1425 dri2_surf->current = NULL;
1428 /* find back buffer */
1430 /* We always want to throttle to some event (either a frame callback or
1431 * a sync request) after the commit so that we can be sure the
1432 * compositor has had a chance to handle it and send us a release event
1433 * before we look for a free buffer */
1434 while (dri2_surf->throttle_callback != NULL)
1435 if (wl_display_dispatch_queue(dri2_dpy->wl_dpy,
1436 dri2_dpy->wl_queue) == -1)
1439 /* try get free buffer already created */
1440 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1441 if (!dri2_surf->color_buffers[i].locked &&
1442 dri2_surf->color_buffers[i].wl_buffer) {
1443 dri2_surf->back = &dri2_surf->color_buffers[i];
1448 /* else choose any another free location */
1449 if (!dri2_surf->back) {
1450 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1451 if (!dri2_surf->color_buffers[i].locked) {
1452 dri2_surf->back = &dri2_surf->color_buffers[i];
1453 if (!dri2_wl_swrast_allocate_buffer(dri2_dpy,
1455 dri2_surf->base.Width,
1456 dri2_surf->base.Height,
1457 &dri2_surf->back->data,
1458 &dri2_surf->back->data_size,
1459 &dri2_surf->back->wl_buffer)) {
1460 _eglError(EGL_BAD_ALLOC, "failed to allocate color buffer");
1463 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->back->wl_buffer,
1464 dri2_dpy->wl_queue);
1465 wl_buffer_add_listener(dri2_surf->back->wl_buffer,
1466 &wl_buffer_listener, dri2_surf);
1472 if (!dri2_surf->back) {
1473 _eglError(EGL_BAD_ALLOC, "failed to find free buffer");
1477 dri2_surf->back->locked = 1;
1479 /* If we have an extra unlocked buffer at this point, we had to do triple
1480 * buffering for a while, but now can go back to just double buffering.
1481 * That means we can free any unlocked buffer now. */
1482 for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
1483 if (!dri2_surf->color_buffers[i].locked &&
1484 dri2_surf->color_buffers[i].wl_buffer) {
1485 wl_buffer_destroy(dri2_surf->color_buffers[i].wl_buffer);
1486 munmap(dri2_surf->color_buffers[i].data,
1487 dri2_surf->color_buffers[i].data_size);
1488 dri2_surf->color_buffers[i].wl_buffer = NULL;
1489 dri2_surf->color_buffers[i].data = NULL;
1497 dri2_wl_swrast_get_frontbuffer_data(struct dri2_egl_surface *dri2_surf)
1499 /* if there has been a resize: */
1500 if (!dri2_surf->current)
1503 return dri2_surf->current->data;
1507 dri2_wl_swrast_get_backbuffer_data(struct dri2_egl_surface *dri2_surf)
1509 assert(dri2_surf->back);
1510 return dri2_surf->back->data;
1514 dri2_wl_swrast_commit_backbuffer(struct dri2_egl_surface *dri2_surf)
1516 struct dri2_egl_display *dri2_dpy = dri2_egl_display(dri2_surf->base.Resource.Display);
1518 if (dri2_surf->base.SwapInterval > 0) {
1519 dri2_surf->throttle_callback =
1520 wl_surface_frame(dri2_surf->wl_win->surface);
1521 wl_callback_add_listener(dri2_surf->throttle_callback,
1522 &throttle_listener, dri2_surf);
1523 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
1524 dri2_dpy->wl_queue);
1527 dri2_surf->current = dri2_surf->back;
1528 dri2_surf->back = NULL;
1530 wl_surface_attach(dri2_surf->wl_win->surface,
1531 dri2_surf->current->wl_buffer,
1532 dri2_surf->dx, dri2_surf->dy);
1534 dri2_surf->wl_win->attached_width = dri2_surf->base.Width;
1535 dri2_surf->wl_win->attached_height = dri2_surf->base.Height;
1536 /* reset resize growing parameters */
1540 wl_surface_damage(dri2_surf->wl_win->surface,
1541 0, 0, INT32_MAX, INT32_MAX);
1542 wl_surface_commit(dri2_surf->wl_win->surface);
1544 /* If we're not waiting for a frame callback then we'll at least throttle
1545 * to a sync callback so that we always give a chance for the compositor to
1546 * handle the commit and send a release event before checking for a free
1548 if (dri2_surf->throttle_callback == NULL) {
1549 dri2_surf->throttle_callback = wl_display_sync(dri2_dpy->wl_dpy);
1550 wl_callback_add_listener(dri2_surf->throttle_callback,
1551 &throttle_listener, dri2_surf);
1552 wl_proxy_set_queue((struct wl_proxy *) dri2_surf->throttle_callback,
1553 dri2_dpy->wl_queue);
1556 wl_display_flush(dri2_dpy->wl_dpy);
1560 dri2_wl_swrast_get_drawable_info(__DRIdrawable * draw,
1561 int *x, int *y, int *w, int *h,
1562 void *loaderPrivate)
1564 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1566 (void) swrast_update_buffers(dri2_surf);
1569 *w = dri2_surf->base.Width;
1570 *h = dri2_surf->base.Height;
1574 dri2_wl_swrast_get_image(__DRIdrawable * read,
1575 int x, int y, int w, int h,
1576 char *data, void *loaderPrivate)
1578 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1579 int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1580 int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
1581 int src_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
1582 int dst_stride = copy_width;
1585 src = dri2_wl_swrast_get_frontbuffer_data(dri2_surf);
1587 memset(data, 0, copy_width * h);
1591 assert(data != src);
1592 assert(copy_width <= src_stride);
1595 src += y * src_stride;
1598 if (copy_width > src_stride-x_offset)
1599 copy_width = src_stride-x_offset;
1600 if (h > dri2_surf->base.Height-y)
1601 h = dri2_surf->base.Height-y;
1604 memcpy(dst, src, copy_width);
1611 dri2_wl_swrast_put_image2(__DRIdrawable * draw, int op,
1612 int x, int y, int w, int h, int stride,
1613 char *data, void *loaderPrivate)
1615 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1616 int copy_width = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1617 int dst_stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, dri2_surf->base.Width);
1618 int x_offset = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, x);
1621 assert(copy_width <= stride);
1623 (void) swrast_update_buffers(dri2_surf);
1624 dst = dri2_wl_swrast_get_backbuffer_data(dri2_surf);
1626 /* partial copy, copy old content */
1627 if (copy_width < dst_stride)
1628 dri2_wl_swrast_get_image(draw, 0, 0,
1629 dri2_surf->base.Width, dri2_surf->base.Height,
1630 dst, loaderPrivate);
1633 dst += y * dst_stride;
1637 /* drivers expect we do these checks (and some rely on it) */
1638 if (copy_width > dst_stride-x_offset)
1639 copy_width = dst_stride-x_offset;
1640 if (h > dri2_surf->base.Height-y)
1641 h = dri2_surf->base.Height-y;
1644 memcpy(dst, src, copy_width);
1648 dri2_wl_swrast_commit_backbuffer(dri2_surf);
1652 dri2_wl_swrast_put_image(__DRIdrawable * draw, int op,
1653 int x, int y, int w, int h,
1654 char *data, void *loaderPrivate)
1656 struct dri2_egl_surface *dri2_surf = loaderPrivate;
1659 stride = dri2_wl_swrast_get_stride_for_format(dri2_surf->format, w);
1660 dri2_wl_swrast_put_image2(draw, op, x, y, w, h,
1661 stride, data, loaderPrivate);
1665 * Called via eglCreateWindowSurface(), drv->API.CreateWindowSurface().
1667 static _EGLSurface *
1668 dri2_wl_swrast_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
1669 _EGLConfig *conf, void *native_window,
1670 const EGLint *attrib_list)
1672 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1673 struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
1674 struct wl_egl_window *window = native_window;
1675 struct dri2_egl_surface *dri2_surf;
1676 const __DRIconfig *config;
1680 dri2_surf = calloc(1, sizeof *dri2_surf);
1682 _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
1686 if (!_eglInitSurface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list))
1689 if (conf->RedSize == 5)
1690 dri2_surf->format = WL_SHM_FORMAT_RGB565;
1691 else if (conf->AlphaSize == 0)
1692 dri2_surf->format = WL_SHM_FORMAT_XRGB8888;
1694 dri2_surf->format = WL_SHM_FORMAT_ARGB8888;
1696 dri2_surf->wl_win = window;
1698 dri2_surf->base.Width = -1;
1699 dri2_surf->base.Height = -1;
1701 config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
1702 dri2_surf->base.GLColorspace);
1704 dri2_surf->dri_drawable =
1705 (*dri2_dpy->swrast->createNewDrawable)(dri2_dpy->dri_screen,
1707 if (dri2_surf->dri_drawable == NULL) {
1708 _eglError(EGL_BAD_ALLOC, "swrast->createNewDrawable");
1709 goto cleanup_dri_drawable;
1712 dri2_wl_swap_interval(drv, disp, &dri2_surf->base,
1713 dri2_dpy->default_swap_interval);
1715 return &dri2_surf->base;
1717 cleanup_dri_drawable:
1718 dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
1726 dri2_wl_swrast_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
1728 struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
1729 struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
1731 dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
1736 shm_handle_format(void *data, struct wl_shm *shm, uint32_t format)
1738 struct dri2_egl_display *dri2_dpy = data;
1741 case WL_SHM_FORMAT_ARGB8888:
1742 dri2_dpy->formats |= HAS_ARGB8888;
1744 case WL_SHM_FORMAT_XRGB8888:
1745 dri2_dpy->formats |= HAS_XRGB8888;
1747 case WL_SHM_FORMAT_RGB565:
1748 dri2_dpy->formats |= HAS_RGB565;
1753 static const struct wl_shm_listener shm_listener = {
1754 .format = shm_handle_format
1758 registry_handle_global_swrast(void *data, struct wl_registry *registry, uint32_t name,
1759 const char *interface, uint32_t version)
1761 struct dri2_egl_display *dri2_dpy = data;
1763 if (strcmp(interface, "wl_shm") == 0) {
1765 wl_registry_bind(registry, name, &wl_shm_interface, 1);
1766 wl_shm_add_listener(dri2_dpy->wl_shm, &shm_listener, dri2_dpy);
1770 static const struct wl_registry_listener registry_listener_swrast = {
1771 .global = registry_handle_global_swrast,
1772 .global_remove = registry_handle_global_remove
1775 static struct dri2_egl_display_vtbl dri2_wl_swrast_display_vtbl = {
1776 .authenticate = NULL,
1777 .create_window_surface = dri2_wl_swrast_create_window_surface,
1778 .create_pixmap_surface = dri2_wl_create_pixmap_surface,
1779 .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
1780 .destroy_surface = dri2_wl_destroy_surface,
1781 .create_image = dri2_fallback_create_image_khr,
1782 .swap_interval = dri2_wl_swap_interval,
1783 .swap_buffers = dri2_wl_swrast_swap_buffers,
1784 .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
1785 .swap_buffers_region = dri2_fallback_swap_buffers_region,
1786 .post_sub_buffer = dri2_fallback_post_sub_buffer,
1787 .copy_buffers = dri2_fallback_copy_buffers,
1788 .query_buffer_age = dri2_fallback_query_buffer_age,
1789 .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
1790 .get_sync_values = dri2_fallback_get_sync_values,
1791 .get_dri_drawable = dri2_surface_get_dri_drawable,
1795 dri2_initialize_wayland_swrast(_EGLDriver *drv, _EGLDisplay *disp)
1797 struct dri2_egl_display *dri2_dpy;
1798 const __DRIconfig *config;
1801 static const unsigned int argb_masks[4] =
1802 { 0xff0000, 0xff00, 0xff, 0xff000000 };
1803 static const unsigned int rgb_masks[4] = { 0xff0000, 0xff00, 0xff, 0 };
1804 static const unsigned int rgb565_masks[4] = { 0xf800, 0x07e0, 0x001f, 0 };
1806 loader_set_logger(_eglLog);
1808 dri2_dpy = calloc(1, sizeof *dri2_dpy);
1810 return _eglError(EGL_BAD_ALLOC, "eglInitialize");
1812 disp->DriverData = (void *) dri2_dpy;
1813 if (disp->PlatformDisplay == NULL) {
1814 dri2_dpy->wl_dpy = wl_display_connect(NULL);
1815 if (dri2_dpy->wl_dpy == NULL)
1817 dri2_dpy->own_device = 1;
1819 dri2_dpy->wl_dpy = disp->PlatformDisplay;
1822 dri2_dpy->wl_queue = wl_display_create_queue(dri2_dpy->wl_dpy);
1824 if (dri2_dpy->own_device)
1825 wl_display_dispatch_pending(dri2_dpy->wl_dpy);
1827 dri2_dpy->wl_registry = wl_display_get_registry(dri2_dpy->wl_dpy);
1828 wl_proxy_set_queue((struct wl_proxy *) dri2_dpy->wl_registry,
1829 dri2_dpy->wl_queue);
1830 wl_registry_add_listener(dri2_dpy->wl_registry,
1831 ®istry_listener_swrast, dri2_dpy);
1833 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->wl_shm == NULL)
1834 goto cleanup_registry;
1836 if (roundtrip(dri2_dpy) < 0 || dri2_dpy->formats == 0)
1840 dri2_dpy->driver_name = strdup("swrast");
1841 if (!dri2_load_driver_swrast(disp))
1844 dri2_dpy->swrast_loader_extension.base.name = __DRI_SWRAST_LOADER;
1845 dri2_dpy->swrast_loader_extension.base.version = 2;
1846 dri2_dpy->swrast_loader_extension.getDrawableInfo = dri2_wl_swrast_get_drawable_info;
1847 dri2_dpy->swrast_loader_extension.putImage = dri2_wl_swrast_put_image;
1848 dri2_dpy->swrast_loader_extension.getImage = dri2_wl_swrast_get_image;
1849 dri2_dpy->swrast_loader_extension.putImage2 = dri2_wl_swrast_put_image2;
1851 dri2_dpy->extensions[0] = &dri2_dpy->swrast_loader_extension.base;
1852 dri2_dpy->extensions[1] = NULL;
1854 if (!dri2_create_screen(disp))
1855 goto cleanup_driver;
1857 dri2_wl_setup_swap_interval(dri2_dpy);
1859 types = EGL_WINDOW_BIT;
1860 for (i = 0; dri2_dpy->driver_configs[i]; i++) {
1861 config = dri2_dpy->driver_configs[i];
1862 if (dri2_dpy->formats & HAS_XRGB8888)
1863 dri2_add_config(disp, config, i + 1, types, NULL, rgb_masks);
1864 if (dri2_dpy->formats & HAS_ARGB8888)
1865 dri2_add_config(disp, config, i + 1, types, NULL, argb_masks);
1866 if (dri2_dpy->formats & HAS_RGB565)
1867 dri2_add_config(disp, config, i + 1, types, NULL, rgb565_masks);
1870 /* Fill vtbl last to prevent accidentally calling virtual function during
1873 dri2_dpy->vtbl = &dri2_wl_swrast_display_vtbl;
1878 dlclose(dri2_dpy->driver);
1880 wl_shm_destroy(dri2_dpy->wl_shm);
1882 wl_registry_destroy(dri2_dpy->wl_registry);
1883 wl_event_queue_destroy(dri2_dpy->wl_queue);
1891 dri2_initialize_wayland(_EGLDriver *drv, _EGLDisplay *disp)
1893 EGLBoolean initialized = EGL_TRUE;
1895 int hw_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
1898 if (!dri2_initialize_wayland_drm(drv, disp)) {
1899 initialized = dri2_initialize_wayland_swrast(drv, disp);
1902 initialized = dri2_initialize_wayland_swrast(drv, disp);