1 /**************************************************************************
3 * Copyright 2016 Advanced Micro Devices, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 #include <X11/Xlib-xcb.h>
31 #include <X11/xshmfence.h>
33 #include <xcb/present.h>
34 #include <xcb/xfixes.h>
38 #include "pipe/p_screen.h"
39 #include "pipe/p_state.h"
40 #include "pipe-loader/pipe_loader.h"
42 #include "util/u_memory.h"
43 #include "util/u_inlines.h"
45 #include "vl/vl_compositor.h"
46 #include "vl/vl_winsys.h"
48 #define BACK_BUFFER_NUM 3
52 struct pipe_resource *texture;
53 struct pipe_resource *linear_texture;
57 struct xshmfence *shm_fence;
60 uint32_t width, height, pitch;
65 struct vl_screen base;
66 xcb_connection_t *conn;
67 xcb_drawable_t drawable;
69 uint32_t width, height, depth;
71 xcb_present_event_t eid;
72 xcb_special_event_t *special_event;
74 struct pipe_context *pipe;
75 struct pipe_resource *output_texture;
76 uint32_t clip_width, clip_height;
78 struct vl_dri3_buffer *back_buffers[BACK_BUFFER_NUM];
82 struct u_rect dirty_areas[BACK_BUFFER_NUM];
84 struct vl_dri3_buffer *front_buffer;
87 uint32_t send_msc_serial, recv_msc_serial;
88 uint64_t send_sbc, recv_sbc;
89 int64_t last_ust, ns_frame, last_msc, next_msc;
92 bool is_different_gpu;
96 dri3_free_front_buffer(struct vl_dri3_screen *scrn,
97 struct vl_dri3_buffer *buffer)
99 xcb_sync_destroy_fence(scrn->conn, buffer->sync_fence);
100 xshmfence_unmap_shm(buffer->shm_fence);
101 pipe_resource_reference(&buffer->texture, NULL);
106 dri3_free_back_buffer(struct vl_dri3_screen *scrn,
107 struct vl_dri3_buffer *buffer)
109 xcb_free_pixmap(scrn->conn, buffer->pixmap);
110 xcb_sync_destroy_fence(scrn->conn, buffer->sync_fence);
111 xshmfence_unmap_shm(buffer->shm_fence);
112 if (!scrn->output_texture)
113 pipe_resource_reference(&buffer->texture, NULL);
114 if (buffer->linear_texture)
115 pipe_resource_reference(&buffer->linear_texture, NULL);
120 dri3_handle_stamps(struct vl_dri3_screen *scrn, uint64_t ust, uint64_t msc)
122 int64_t ust_ns = ust * 1000;
124 if (scrn->last_ust && (ust_ns > scrn->last_ust) &&
125 scrn->last_msc && (msc > scrn->last_msc))
126 scrn->ns_frame = (ust_ns - scrn->last_ust) / (msc - scrn->last_msc);
128 scrn->last_ust = ust_ns;
129 scrn->last_msc = msc;
133 dri3_handle_present_event(struct vl_dri3_screen *scrn,
134 xcb_present_generic_event_t *ge)
136 switch (ge->evtype) {
137 case XCB_PRESENT_CONFIGURE_NOTIFY: {
138 xcb_present_configure_notify_event_t *ce = (void *) ge;
139 scrn->width = ce->width;
140 scrn->height = ce->height;
143 case XCB_PRESENT_COMPLETE_NOTIFY: {
144 xcb_present_complete_notify_event_t *ce = (void *) ge;
145 if (ce->kind == XCB_PRESENT_COMPLETE_KIND_PIXMAP) {
146 scrn->recv_sbc = (scrn->send_sbc & 0xffffffff00000000LL) | ce->serial;
147 if (scrn->recv_sbc > scrn->send_sbc)
148 scrn->recv_sbc -= 0x100000000;
149 dri3_handle_stamps(scrn, ce->ust, ce->msc);
150 } else if (ce->kind == XCB_PRESENT_COMPLETE_KIND_NOTIFY_MSC) {
151 scrn->recv_msc_serial = ce->serial;
152 dri3_handle_stamps(scrn, ce->ust, ce->msc);
156 case XCB_PRESENT_EVENT_IDLE_NOTIFY: {
157 xcb_present_idle_notify_event_t *ie = (void *) ge;
159 for (b = 0; b < BACK_BUFFER_NUM; b++) {
160 struct vl_dri3_buffer *buf = scrn->back_buffers[b];
161 if (buf && buf->pixmap == ie->pixmap) {
173 dri3_flush_present_events(struct vl_dri3_screen *scrn)
175 if (scrn->special_event) {
176 xcb_generic_event_t *ev;
177 while ((ev = xcb_poll_for_special_event(
178 scrn->conn, scrn->special_event)) != NULL)
179 dri3_handle_present_event(scrn, (xcb_present_generic_event_t *)ev);
184 dri3_wait_present_events(struct vl_dri3_screen *scrn)
186 if (scrn->special_event) {
187 xcb_generic_event_t *ev;
188 ev = xcb_wait_for_special_event(scrn->conn, scrn->special_event);
191 dri3_handle_present_event(scrn, (xcb_present_generic_event_t *)ev);
198 dri3_find_back(struct vl_dri3_screen *scrn)
203 for (b = 0; b < BACK_BUFFER_NUM; b++) {
204 int id = (b + scrn->cur_back) % BACK_BUFFER_NUM;
205 struct vl_dri3_buffer *buffer = scrn->back_buffers[id];
206 if (!buffer || !buffer->busy)
209 xcb_flush(scrn->conn);
210 if (!dri3_wait_present_events(scrn))
215 static struct vl_dri3_buffer *
216 dri3_alloc_back_buffer(struct vl_dri3_screen *scrn)
218 struct vl_dri3_buffer *buffer;
220 xcb_sync_fence_t sync_fence;
221 struct xshmfence *shm_fence;
222 int buffer_fd, fence_fd;
223 struct pipe_resource templ, *pixmap_buffer_texture;
224 struct winsys_handle whandle;
227 buffer = CALLOC_STRUCT(vl_dri3_buffer);
231 fence_fd = xshmfence_alloc_shm();
235 shm_fence = xshmfence_map_shm(fence_fd);
239 memset(&templ, 0, sizeof(templ));
240 templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
241 templ.format = vl_dri2_format_for_depth(&scrn->base, scrn->depth);
242 templ.target = PIPE_TEXTURE_2D;
243 templ.last_level = 0;
244 templ.width0 = (scrn->output_texture) ?
245 scrn->output_texture->width0 : scrn->width;
246 templ.height0 = (scrn->output_texture) ?
247 scrn->output_texture->height0 : scrn->height;
249 templ.array_size = 1;
251 if (scrn->is_different_gpu) {
252 buffer->texture = (scrn->output_texture) ? scrn->output_texture :
253 scrn->base.pscreen->resource_create(scrn->base.pscreen, &templ);
254 if (!buffer->texture)
257 templ.bind |= PIPE_BIND_SCANOUT | PIPE_BIND_SHARED |
259 buffer->linear_texture =
260 scrn->base.pscreen->resource_create(scrn->base.pscreen, &templ);
261 pixmap_buffer_texture = buffer->linear_texture;
263 if (!buffer->linear_texture)
264 goto no_linear_texture;
266 templ.bind |= PIPE_BIND_SCANOUT | PIPE_BIND_SHARED;
267 buffer->texture = (scrn->output_texture) ? scrn->output_texture :
268 scrn->base.pscreen->resource_create(scrn->base.pscreen, &templ);
269 if (!buffer->texture)
271 pixmap_buffer_texture = buffer->texture;
273 memset(&whandle, 0, sizeof(whandle));
274 whandle.type= WINSYS_HANDLE_TYPE_FD;
275 usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ;
276 scrn->base.pscreen->resource_get_handle(scrn->base.pscreen, NULL,
277 pixmap_buffer_texture, &whandle,
279 buffer_fd = whandle.handle;
280 buffer->pitch = whandle.stride;
281 buffer->width = templ.width0;
282 buffer->height = templ.height0;
284 xcb_dri3_pixmap_from_buffer(scrn->conn,
285 (pixmap = xcb_generate_id(scrn->conn)),
288 buffer->width, buffer->height, buffer->pitch,
291 xcb_dri3_fence_from_fd(scrn->conn,
293 (sync_fence = xcb_generate_id(scrn->conn)),
297 buffer->pixmap = pixmap;
298 buffer->sync_fence = sync_fence;
299 buffer->shm_fence = shm_fence;
301 xshmfence_trigger(buffer->shm_fence);
306 pipe_resource_reference(&buffer->texture, NULL);
308 xshmfence_unmap_shm(shm_fence);
316 static struct vl_dri3_buffer *
317 dri3_get_back_buffer(struct vl_dri3_screen *scrn)
319 struct vl_dri3_buffer *buffer;
320 struct pipe_resource *texture = NULL;
321 bool allocate_new_buffer = false;
326 scrn->cur_back = dri3_find_back(scrn);
327 if (scrn->cur_back < 0)
329 buffer = scrn->back_buffers[scrn->cur_back];
331 if (scrn->output_texture) {
332 if (!buffer || buffer->width < scrn->width ||
333 buffer->height < scrn->height)
334 allocate_new_buffer = true;
335 else if (scrn->is_different_gpu)
336 /* In case of different gpu we can reuse the linear
337 * texture so we only need to set the external
338 * texture for copying
340 buffer->texture = scrn->output_texture;
342 /* In case of a single gpu we search if the texture is
343 * already present as buffer if not we get the
344 * handle and pixmap for the texture that is set
346 for (b = 0; b < BACK_BUFFER_NUM; b++) {
347 id = (b + scrn->cur_back) % BACK_BUFFER_NUM;
348 buffer = scrn->back_buffers[id];
349 if (buffer && !buffer->busy &&
350 buffer->texture == scrn->output_texture) {
356 if (b == BACK_BUFFER_NUM) {
357 allocate_new_buffer = true;
358 scrn->cur_back = scrn->next_back;
359 scrn->next_back = (scrn->next_back + 1) % BACK_BUFFER_NUM;
360 buffer = scrn->back_buffers[scrn->cur_back];
365 if (!buffer || buffer->width != scrn->width ||
366 buffer->height != scrn->height)
367 allocate_new_buffer = true;
370 if (allocate_new_buffer) {
371 struct vl_dri3_buffer *new_buffer;
373 new_buffer = dri3_alloc_back_buffer(scrn);
378 dri3_free_back_buffer(scrn, buffer);
380 if (!scrn->output_texture)
381 vl_compositor_reset_dirty_area(&scrn->dirty_areas[scrn->cur_back]);
383 scrn->back_buffers[scrn->cur_back] = buffer;
386 pipe_resource_reference(&texture, buffer->texture);
387 xcb_flush(scrn->conn);
388 xshmfence_await(buffer->shm_fence);
394 dri3_set_drawable(struct vl_dri3_screen *scrn, Drawable drawable)
396 xcb_get_geometry_cookie_t geom_cookie;
397 xcb_get_geometry_reply_t *geom_reply;
398 xcb_void_cookie_t cookie;
399 xcb_generic_error_t *error;
404 if (scrn->drawable == drawable)
407 scrn->drawable = drawable;
409 geom_cookie = xcb_get_geometry(scrn->conn, scrn->drawable);
410 geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
414 scrn->width = geom_reply->width;
415 scrn->height = geom_reply->height;
416 scrn->depth = geom_reply->depth;
419 if (scrn->special_event) {
420 xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
421 scrn->special_event = NULL;
422 cookie = xcb_present_select_input_checked(scrn->conn, scrn->eid,
424 XCB_PRESENT_EVENT_MASK_NO_EVENT);
425 xcb_discard_reply(scrn->conn, cookie.sequence);
428 scrn->is_pixmap = false;
429 scrn->eid = xcb_generate_id(scrn->conn);
431 xcb_present_select_input_checked(scrn->conn, scrn->eid, scrn->drawable,
432 XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY |
433 XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY |
434 XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);
436 error = xcb_request_check(scrn->conn, cookie);
438 if (error->error_code != BadWindow)
441 scrn->is_pixmap = true;
442 if (scrn->front_buffer) {
443 dri3_free_front_buffer(scrn, scrn->front_buffer);
444 scrn->front_buffer = NULL;
449 scrn->special_event =
450 xcb_register_for_special_xge(scrn->conn, &xcb_present_id, scrn->eid, 0);
452 dri3_flush_present_events(scrn);
457 static struct vl_dri3_buffer *
458 dri3_get_front_buffer(struct vl_dri3_screen *scrn)
460 xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
461 xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
462 xcb_sync_fence_t sync_fence;
463 struct xshmfence *shm_fence;
465 struct winsys_handle whandle;
466 struct pipe_resource templ, *texture = NULL;
468 if (scrn->front_buffer) {
469 pipe_resource_reference(&texture, scrn->front_buffer->texture);
470 return scrn->front_buffer;
473 scrn->front_buffer = CALLOC_STRUCT(vl_dri3_buffer);
474 if (!scrn->front_buffer)
477 fence_fd = xshmfence_alloc_shm();
481 shm_fence = xshmfence_map_shm(fence_fd);
485 bp_cookie = xcb_dri3_buffer_from_pixmap(scrn->conn, scrn->drawable);
486 bp_reply = xcb_dri3_buffer_from_pixmap_reply(scrn->conn, bp_cookie, NULL);
490 fds = xcb_dri3_buffer_from_pixmap_reply_fds(scrn->conn, bp_reply);
494 memset(&whandle, 0, sizeof(whandle));
495 whandle.type = WINSYS_HANDLE_TYPE_FD;
496 whandle.handle = (unsigned)fds[0];
497 whandle.stride = bp_reply->stride;
498 memset(&templ, 0, sizeof(templ));
499 templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
500 templ.format = vl_dri2_format_for_depth(&scrn->base, bp_reply->depth);
501 templ.target = PIPE_TEXTURE_2D;
502 templ.last_level = 0;
503 templ.width0 = bp_reply->width;
504 templ.height0 = bp_reply->height;
506 templ.array_size = 1;
507 scrn->front_buffer->texture =
508 scrn->base.pscreen->resource_from_handle(scrn->base.pscreen,
510 PIPE_HANDLE_USAGE_READ_WRITE);
512 if (!scrn->front_buffer->texture)
515 xcb_dri3_fence_from_fd(scrn->conn,
517 (sync_fence = xcb_generate_id(scrn->conn)),
521 pipe_resource_reference(&texture, scrn->front_buffer->texture);
522 scrn->front_buffer->pixmap = scrn->drawable;
523 scrn->front_buffer->width = bp_reply->width;
524 scrn->front_buffer->height = bp_reply->height;
525 scrn->front_buffer->shm_fence = shm_fence;
526 scrn->front_buffer->sync_fence = sync_fence;
529 return scrn->front_buffer;
534 xshmfence_unmap_shm(shm_fence);
538 FREE(scrn->front_buffer);
542 static xcb_screen_t *
543 dri3_get_screen_for_root(xcb_connection_t *conn, xcb_window_t root)
545 xcb_screen_iterator_t screen_iter =
546 xcb_setup_roots_iterator(xcb_get_setup(conn));
548 for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
549 if (screen_iter.data->root == root)
550 return screen_iter.data;
557 vl_dri3_flush_frontbuffer(struct pipe_screen *screen,
558 struct pipe_resource *resource,
559 unsigned level, unsigned layer,
560 void *context_private, struct pipe_box *sub_box)
562 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)context_private;
563 uint32_t options = XCB_PRESENT_OPTION_NONE;
564 struct vl_dri3_buffer *back;
565 struct pipe_box src_box;
566 xcb_xfixes_region_t region;
567 xcb_rectangle_t rectangle;
569 back = scrn->back_buffers[scrn->cur_back];
574 while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
575 if (!dri3_wait_present_events(scrn))
581 rectangle.width = (scrn->output_texture) ? scrn->clip_width : scrn->width;
582 rectangle.height = (scrn->output_texture) ? scrn->clip_height : scrn->height;
584 region = xcb_generate_id(scrn->conn);
585 xcb_xfixes_create_region(scrn->conn, region, 2, &rectangle);
587 if (scrn->is_different_gpu) {
588 u_box_origin_2d(back->width, back->height, &src_box);
589 scrn->pipe->resource_copy_region(scrn->pipe,
590 back->linear_texture,
595 scrn->pipe->flush(scrn->pipe, NULL, 0);
597 xshmfence_reset(back->shm_fence);
600 xcb_present_pixmap(scrn->conn,
603 (uint32_t)(++scrn->send_sbc),
611 xcb_flush(scrn->conn);
613 scrn->flushed = true;
618 static struct pipe_resource *
619 vl_dri3_screen_texture_from_drawable(struct vl_screen *vscreen, void *drawable)
621 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
622 struct vl_dri3_buffer *buffer;
626 if (!dri3_set_drawable(scrn, (Drawable)drawable))
630 while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
631 if (!dri3_wait_present_events(scrn))
634 scrn->flushed = false;
636 buffer = (scrn->is_pixmap) ?
637 dri3_get_front_buffer(scrn) :
638 dri3_get_back_buffer(scrn);
642 return buffer->texture;
645 static struct u_rect *
646 vl_dri3_screen_get_dirty_area(struct vl_screen *vscreen)
648 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
652 return &scrn->dirty_areas[scrn->cur_back];
656 vl_dri3_screen_get_timestamp(struct vl_screen *vscreen, void *drawable)
658 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
662 if (!dri3_set_drawable(scrn, (Drawable)drawable))
665 if (!scrn->last_ust) {
666 xcb_present_notify_msc(scrn->conn,
668 ++scrn->send_msc_serial,
670 xcb_flush(scrn->conn);
672 while (scrn->special_event &&
673 scrn->send_msc_serial > scrn->recv_msc_serial) {
674 if (!dri3_wait_present_events(scrn))
679 return scrn->last_ust;
683 vl_dri3_screen_set_next_timestamp(struct vl_screen *vscreen, uint64_t stamp)
685 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
689 if (stamp && scrn->last_ust && scrn->ns_frame && scrn->last_msc)
690 scrn->next_msc = ((int64_t)stamp - scrn->last_ust + scrn->ns_frame/2) /
691 scrn->ns_frame + scrn->last_msc;
697 vl_dri3_screen_get_private(struct vl_screen *vscreen)
703 vl_dri3_screen_set_back_texture_from_output(struct vl_screen *vscreen,
704 struct pipe_resource *buffer,
705 uint32_t width, uint32_t height)
707 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
711 scrn->output_texture = buffer;
712 scrn->clip_width = (width) ? width : scrn->width;
713 scrn->clip_height = (height) ? height : scrn->height;
717 vl_dri3_screen_destroy(struct vl_screen *vscreen)
719 struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
724 dri3_flush_present_events(scrn);
726 if (scrn->front_buffer) {
727 dri3_free_front_buffer(scrn, scrn->front_buffer);
728 scrn->front_buffer = NULL;
732 for (i = 0; i < BACK_BUFFER_NUM; ++i) {
733 if (scrn->back_buffers[i]) {
734 dri3_free_back_buffer(scrn, scrn->back_buffers[i]);
735 scrn->back_buffers[i] = NULL;
739 if (scrn->special_event) {
740 xcb_void_cookie_t cookie =
741 xcb_present_select_input_checked(scrn->conn, scrn->eid,
743 XCB_PRESENT_EVENT_MASK_NO_EVENT);
745 xcb_discard_reply(scrn->conn, cookie.sequence);
746 xcb_unregister_for_special_event(scrn->conn, scrn->special_event);
748 scrn->pipe->destroy(scrn->pipe);
749 scrn->base.pscreen->destroy(scrn->base.pscreen);
750 pipe_loader_release(&scrn->base.dev, 1);
757 vl_dri3_screen_create(Display *display, int screen)
759 struct vl_dri3_screen *scrn;
760 const xcb_query_extension_reply_t *extension;
761 xcb_dri3_open_cookie_t open_cookie;
762 xcb_dri3_open_reply_t *open_reply;
763 xcb_get_geometry_cookie_t geom_cookie;
764 xcb_get_geometry_reply_t *geom_reply;
765 xcb_xfixes_query_version_cookie_t xfixes_cookie;
766 xcb_xfixes_query_version_reply_t *xfixes_reply;
767 xcb_generic_error_t *error;
772 scrn = CALLOC_STRUCT(vl_dri3_screen);
776 scrn->conn = XGetXCBConnection(display);
780 xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
781 xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
782 xcb_prefetch_extension_data (scrn->conn, &xcb_xfixes_id);
783 extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
784 if (!(extension && extension->present))
786 extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
787 if (!(extension && extension->present))
789 extension = xcb_get_extension_data(scrn->conn, &xcb_xfixes_id);
790 if (!(extension && extension->present))
793 xfixes_cookie = xcb_xfixes_query_version(scrn->conn, XCB_XFIXES_MAJOR_VERSION,
794 XCB_XFIXES_MINOR_VERSION);
795 xfixes_reply = xcb_xfixes_query_version_reply(scrn->conn, xfixes_cookie, &error);
796 if (!xfixes_reply || error || xfixes_reply->major_version < 2) {
803 open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
804 open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
807 if (open_reply->nfd != 1) {
812 fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
817 fcntl(fd, F_SETFD, FD_CLOEXEC);
820 fd = loader_get_user_preferred_fd(fd, &scrn->is_different_gpu);
822 geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
823 geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
827 scrn->base.xcb_screen = dri3_get_screen_for_root(scrn->conn, geom_reply->root);
828 if (!scrn->base.xcb_screen) {
833 /* TODO support depth other than 24 or 30 */
834 if (geom_reply->depth != 24 && geom_reply->depth != 30) {
838 scrn->base.color_depth = geom_reply->depth;
841 if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
842 scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
844 if (!scrn->base.pscreen)
847 scrn->pipe = scrn->base.pscreen->context_create(scrn->base.pscreen,
852 scrn->base.destroy = vl_dri3_screen_destroy;
853 scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
854 scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
855 scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
856 scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
857 scrn->base.get_private = vl_dri3_screen_get_private;
858 scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
859 scrn->base.set_back_texture_from_output = vl_dri3_screen_set_back_texture_from_output;
865 scrn->base.pscreen->destroy(scrn->base.pscreen);
867 if (scrn->base.dev) {
868 pipe_loader_release(&scrn->base.dev, 1);