2 * Copyright © 2008-2011 Kristian Høgsberg
3 * Copyright © 2011 Intel Corporation
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of the copyright holders not be used in
10 * advertising or publicity pertaining to distribution of the software
11 * without specific, written prior permission. The copyright holders make
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied warranty.
15 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
16 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
17 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
19 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
20 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
32 #include <linux/input.h>
40 #include <xf86drmMode.h>
41 #include <drm_fourcc.h>
46 #include "libbacklight.h"
47 #include "compositor.h"
48 #include "gl-renderer.h"
49 #include "pixman-renderer.h"
50 #include "udev-input.h"
51 #include "launcher-util.h"
52 #include "vaapi-recorder.h"
54 #ifndef DRM_CAP_TIMESTAMP_MONOTONIC
55 #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
58 static int option_current_mode = 0;
61 OUTPUT_CONFIG_INVALID = 0,
63 OUTPUT_CONFIG_PREFERRED,
64 OUTPUT_CONFIG_CURRENT,
66 OUTPUT_CONFIG_MODELINE
69 struct drm_compositor {
70 struct weston_compositor base;
73 struct wl_event_source *drm_source;
75 struct udev_monitor *udev_monitor;
76 struct wl_event_source *udev_drm_source;
83 struct gbm_device *gbm;
86 uint32_t crtc_allocator;
87 uint32_t connector_allocator;
88 struct wl_listener session_listener;
91 /* we need these parameters in order to not fail drmModeAddFB2()
92 * due to out of bounds dimensions, and then mistakenly set
95 uint32_t min_width, max_width;
96 uint32_t min_height, max_height;
99 struct wl_list sprite_list;
100 int sprites_are_broken;
103 int cursors_are_broken;
110 struct udev_input input;
114 struct weston_mode base;
115 drmModeModeInfo mode_info;
121 struct drm_output *output;
122 uint32_t fb_id, stride, handle, size;
124 int is_client_buffer;
125 struct weston_buffer_reference buffer_ref;
127 /* Used by gbm fbs */
130 /* Used by dumb fbs */
136 char monitor_name[13];
138 char serial_number[13];
142 struct weston_output base;
146 uint32_t connector_id;
147 drmModeCrtcPtr original_crtc;
148 struct drm_edid edid;
149 drmModePropertyPtr dpms_prop;
153 int page_flip_pending;
156 struct gbm_surface *surface;
157 struct gbm_bo *cursor_bo[2];
158 struct weston_plane cursor_plane;
159 struct weston_plane fb_plane;
160 struct weston_view *cursor_view;
162 struct drm_fb *current, *next;
163 struct backlight *backlight;
165 struct drm_fb *dumb[2];
166 pixman_image_t *image[2];
168 pixman_region32_t previous_damage;
170 struct vaapi_recorder *recorder;
171 struct wl_listener recorder_frame_listener;
175 * An output has a primary display plane plus zero or more sprites for
176 * blending display contents.
181 struct weston_plane plane;
183 struct drm_fb *current, *next;
184 struct drm_output *output;
185 struct drm_compositor *compositor;
187 uint32_t possible_crtcs;
189 uint32_t count_formats;
191 int32_t src_x, src_y;
192 uint32_t src_w, src_h;
193 uint32_t dest_x, dest_y;
194 uint32_t dest_w, dest_h;
199 struct drm_parameters {
206 static struct gl_renderer_interface *gl_renderer;
208 static const char default_seat[] = "seat0";
211 drm_output_set_cursor(struct drm_output *output);
214 drm_sprite_crtc_supported(struct weston_output *output_base, uint32_t supported)
216 struct weston_compositor *ec = output_base->compositor;
217 struct drm_compositor *c =(struct drm_compositor *) ec;
218 struct drm_output *output = (struct drm_output *) output_base;
221 for (crtc = 0; crtc < c->num_crtcs; crtc++) {
222 if (c->crtcs[crtc] != output->crtc_id)
225 if (supported & (1 << crtc))
233 drm_fb_destroy_callback(struct gbm_bo *bo, void *data)
235 struct drm_fb *fb = data;
236 struct gbm_device *gbm = gbm_bo_get_device(bo);
239 drmModeRmFB(gbm_device_get_fd(gbm), fb->fb_id);
241 weston_buffer_reference(&fb->buffer_ref, NULL);
246 static struct drm_fb *
247 drm_fb_create_dumb(struct drm_compositor *ec, unsigned width, unsigned height)
252 struct drm_mode_create_dumb create_arg;
253 struct drm_mode_destroy_dumb destroy_arg;
254 struct drm_mode_map_dumb map_arg;
256 fb = zalloc(sizeof *fb);
260 memset(&create_arg, 0, sizeof create_arg);
262 create_arg.width = width;
263 create_arg.height = height;
265 ret = drmIoctl(ec->drm.fd, DRM_IOCTL_MODE_CREATE_DUMB, &create_arg);
269 fb->handle = create_arg.handle;
270 fb->stride = create_arg.pitch;
271 fb->size = create_arg.size;
274 ret = drmModeAddFB(ec->drm.fd, width, height, 24, 32,
275 fb->stride, fb->handle, &fb->fb_id);
279 memset(&map_arg, 0, sizeof map_arg);
280 map_arg.handle = fb->handle;
281 ret = drmIoctl(fb->fd, DRM_IOCTL_MODE_MAP_DUMB, &map_arg);
285 fb->map = mmap(0, fb->size, PROT_WRITE,
286 MAP_SHARED, ec->drm.fd, map_arg.offset);
287 if (fb->map == MAP_FAILED)
293 drmModeRmFB(ec->drm.fd, fb->fb_id);
295 memset(&destroy_arg, 0, sizeof(destroy_arg));
296 destroy_arg.handle = create_arg.handle;
297 drmIoctl(ec->drm.fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
304 drm_fb_destroy_dumb(struct drm_fb *fb)
306 struct drm_mode_destroy_dumb destroy_arg;
312 drmModeRmFB(fb->fd, fb->fb_id);
314 weston_buffer_reference(&fb->buffer_ref, NULL);
316 munmap(fb->map, fb->size);
318 memset(&destroy_arg, 0, sizeof(destroy_arg));
319 destroy_arg.handle = fb->handle;
320 drmIoctl(fb->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_arg);
325 static struct drm_fb *
326 drm_fb_get_from_bo(struct gbm_bo *bo,
327 struct drm_compositor *compositor, uint32_t format)
329 struct drm_fb *fb = gbm_bo_get_user_data(bo);
330 uint32_t width, height;
331 uint32_t handles[4], pitches[4], offsets[4];
337 fb = calloc(1, sizeof *fb);
343 width = gbm_bo_get_width(bo);
344 height = gbm_bo_get_height(bo);
345 fb->stride = gbm_bo_get_stride(bo);
346 fb->handle = gbm_bo_get_handle(bo).u32;
347 fb->size = fb->stride * height;
348 fb->fd = compositor->drm.fd;
350 if (compositor->min_width > width || width > compositor->max_width ||
351 compositor->min_height > height ||
352 height > compositor->max_height) {
353 weston_log("bo geometry out of bounds\n");
359 if (format && !compositor->no_addfb2) {
360 handles[0] = fb->handle;
361 pitches[0] = fb->stride;
364 ret = drmModeAddFB2(compositor->drm.fd, width, height,
365 format, handles, pitches, offsets,
368 weston_log("addfb2 failed: %m\n");
369 compositor->no_addfb2 = 1;
370 compositor->sprites_are_broken = 1;
375 ret = drmModeAddFB(compositor->drm.fd, width, height, 24, 32,
376 fb->stride, fb->handle, &fb->fb_id);
379 weston_log("failed to create kms fb: %m\n");
383 gbm_bo_set_user_data(bo, fb, drm_fb_destroy_callback);
393 drm_fb_set_buffer(struct drm_fb *fb, struct weston_buffer *buffer)
395 assert(fb->buffer_ref.buffer == NULL);
397 fb->is_client_buffer = 1;
399 weston_buffer_reference(&fb->buffer_ref, buffer);
403 drm_output_release_fb(struct drm_output *output, struct drm_fb *fb)
409 (fb != output->dumb[0] && fb != output->dumb[1])) {
410 drm_fb_destroy_dumb(fb);
412 if (fb->is_client_buffer)
413 gbm_bo_destroy(fb->bo);
415 gbm_surface_release_buffer(output->surface,
421 drm_output_check_scanout_format(struct drm_output *output,
422 struct weston_surface *es, struct gbm_bo *bo)
427 format = gbm_bo_get_format(bo);
429 if (format == GBM_FORMAT_ARGB8888) {
430 /* We can scanout an ARGB buffer if the surface's
431 * opaque region covers the whole output, but we have
432 * to use XRGB as the KMS format code. */
433 pixman_region32_init_rect(&r, 0, 0,
435 output->base.height);
436 pixman_region32_subtract(&r, &r, &es->opaque);
438 if (!pixman_region32_not_empty(&r))
439 format = GBM_FORMAT_XRGB8888;
441 pixman_region32_fini(&r);
444 if (output->format == format)
450 static struct weston_plane *
451 drm_output_prepare_scanout_view(struct weston_output *_output,
452 struct weston_view *ev)
454 struct drm_output *output = (struct drm_output *) _output;
455 struct drm_compositor *c =
456 (struct drm_compositor *) output->base.compositor;
457 struct weston_buffer *buffer = ev->surface->buffer_ref.buffer;
458 struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
462 if (ev->geometry.x != output->base.x ||
463 ev->geometry.y != output->base.y ||
464 buffer == NULL || c->gbm == NULL ||
465 buffer->width != output->base.current_mode->width ||
466 buffer->height != output->base.current_mode->height ||
467 output->base.transform != viewport->buffer.transform ||
468 ev->transform.enabled)
471 bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
472 buffer->resource, GBM_BO_USE_SCANOUT);
474 /* Unable to use the buffer for scanout */
478 format = drm_output_check_scanout_format(output, ev->surface, bo);
484 output->next = drm_fb_get_from_bo(bo, c, format);
490 drm_fb_set_buffer(output->next, buffer);
492 return &output->fb_plane;
496 drm_output_render_gl(struct drm_output *output, pixman_region32_t *damage)
498 struct drm_compositor *c =
499 (struct drm_compositor *) output->base.compositor;
502 c->base.renderer->repaint_output(&output->base, damage);
504 bo = gbm_surface_lock_front_buffer(output->surface);
506 weston_log("failed to lock front buffer: %m\n");
510 output->next = drm_fb_get_from_bo(bo, c, output->format);
512 weston_log("failed to get drm_fb for bo\n");
513 gbm_surface_release_buffer(output->surface, bo);
519 drm_output_render_pixman(struct drm_output *output, pixman_region32_t *damage)
521 struct weston_compositor *ec = output->base.compositor;
522 pixman_region32_t total_damage, previous_damage;
524 pixman_region32_init(&total_damage);
525 pixman_region32_init(&previous_damage);
527 pixman_region32_copy(&previous_damage, damage);
529 pixman_region32_union(&total_damage, damage, &output->previous_damage);
530 pixman_region32_copy(&output->previous_damage, &previous_damage);
532 output->current_image ^= 1;
534 output->next = output->dumb[output->current_image];
535 pixman_renderer_output_set_buffer(&output->base,
536 output->image[output->current_image]);
538 ec->renderer->repaint_output(&output->base, &total_damage);
540 pixman_region32_fini(&total_damage);
541 pixman_region32_fini(&previous_damage);
545 drm_output_render(struct drm_output *output, pixman_region32_t *damage)
547 struct drm_compositor *c =
548 (struct drm_compositor *) output->base.compositor;
551 drm_output_render_pixman(output, damage);
553 drm_output_render_gl(output, damage);
555 pixman_region32_subtract(&c->base.primary_plane.damage,
556 &c->base.primary_plane.damage, damage);
560 drm_output_set_gamma(struct weston_output *output_base,
561 uint16_t size, uint16_t *r, uint16_t *g, uint16_t *b)
564 struct drm_output *output = (struct drm_output *) output_base;
565 struct drm_compositor *compositor = (struct drm_compositor *) output->base.compositor;
568 if (output_base->gamma_size != size)
570 if (!output->original_crtc)
573 rc = drmModeCrtcSetGamma(compositor->drm.fd,
577 weston_log("set gamma failed: %m\n");
581 drm_output_repaint(struct weston_output *output_base,
582 pixman_region32_t *damage)
584 struct drm_output *output = (struct drm_output *) output_base;
585 struct drm_compositor *compositor =
586 (struct drm_compositor *) output->base.compositor;
587 struct drm_sprite *s;
588 struct drm_mode *mode;
591 if (output->destroy_pending)
595 drm_output_render(output, damage);
599 mode = container_of(output->base.current_mode, struct drm_mode, base);
600 if (!output->current ||
601 output->current->stride != output->next->stride) {
602 ret = drmModeSetCrtc(compositor->drm.fd, output->crtc_id,
603 output->next->fb_id, 0, 0,
604 &output->connector_id, 1,
607 weston_log("set mode failed: %m\n");
610 output_base->set_dpms(output_base, WESTON_DPMS_ON);
613 if (drmModePageFlip(compositor->drm.fd, output->crtc_id,
615 DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
616 weston_log("queueing pageflip failed: %m\n");
620 output->page_flip_pending = 1;
622 drm_output_set_cursor(output);
625 * Now, update all the sprite surfaces
627 wl_list_for_each(s, &compositor->sprite_list, link) {
628 uint32_t flags = 0, fb_id = 0;
630 .request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT,
631 .request.sequence = 1,
634 if ((!s->current && !s->next) ||
635 !drm_sprite_crtc_supported(output_base, s->possible_crtcs))
638 if (s->next && !compositor->sprites_hidden)
639 fb_id = s->next->fb_id;
641 ret = drmModeSetPlane(compositor->drm.fd, s->plane_id,
642 output->crtc_id, fb_id, flags,
643 s->dest_x, s->dest_y,
644 s->dest_w, s->dest_h,
648 weston_log("setplane failed: %d: %s\n",
649 ret, strerror(errno));
651 if (output->pipe > 0)
652 vbl.request.type |= DRM_VBLANK_SECONDARY;
655 * Queue a vblank signal so we know when the surface
656 * becomes active on the display or has been replaced.
658 vbl.request.signal = (unsigned long)s;
659 ret = drmWaitVBlank(compositor->drm.fd, &vbl);
661 weston_log("vblank event request failed: %d: %s\n",
662 ret, strerror(errno));
666 output->vblank_pending = 1;
672 output->cursor_view = NULL;
674 drm_output_release_fb(output, output->next);
682 drm_output_start_repaint_loop(struct weston_output *output_base)
684 struct drm_output *output = (struct drm_output *) output_base;
685 struct drm_compositor *compositor = (struct drm_compositor *)
686 output_base->compositor;
691 if (output->destroy_pending)
694 if (!output->current) {
695 /* We can't page flip if there's no mode set */
699 fb_id = output->current->fb_id;
701 if (drmModePageFlip(compositor->drm.fd, output->crtc_id, fb_id,
702 DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
703 weston_log("queueing pageflip failed: %m\n");
710 /* if we cannot page-flip, immediately finish frame */
711 clock_gettime(compositor->clock, &ts);
712 msec = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
713 weston_output_finish_frame(output_base, msec);
717 vblank_handler(int fd, unsigned int frame, unsigned int sec, unsigned int usec,
720 struct drm_sprite *s = (struct drm_sprite *)data;
721 struct drm_output *output = s->output;
724 output->vblank_pending = 0;
726 drm_output_release_fb(output, s->current);
727 s->current = s->next;
730 if (!output->page_flip_pending) {
731 msecs = sec * 1000 + usec / 1000;
732 weston_output_finish_frame(&output->base, msecs);
737 drm_output_destroy(struct weston_output *output_base);
740 page_flip_handler(int fd, unsigned int frame,
741 unsigned int sec, unsigned int usec, void *data)
743 struct drm_output *output = (struct drm_output *) data;
746 /* We don't set page_flip_pending on start_repaint_loop, in that case
747 * we just want to page flip to the current buffer to get an accurate
749 if (output->page_flip_pending) {
750 drm_output_release_fb(output, output->current);
751 output->current = output->next;
755 output->page_flip_pending = 0;
757 if (output->destroy_pending)
758 drm_output_destroy(&output->base);
759 else if (!output->vblank_pending) {
760 msecs = sec * 1000 + usec / 1000;
761 weston_output_finish_frame(&output->base, msecs);
763 /* We can't call this from frame_notify, because the output's
764 * repaint needed flag is cleared just after that */
765 if (output->recorder)
766 weston_output_schedule_repaint(&output->base);
771 drm_output_check_sprite_format(struct drm_sprite *s,
772 struct weston_view *ev, struct gbm_bo *bo)
776 format = gbm_bo_get_format(bo);
778 if (format == GBM_FORMAT_ARGB8888) {
781 pixman_region32_init_rect(&r, 0, 0,
783 ev->surface->height);
784 pixman_region32_subtract(&r, &r, &ev->surface->opaque);
786 if (!pixman_region32_not_empty(&r))
787 format = GBM_FORMAT_XRGB8888;
789 pixman_region32_fini(&r);
792 for (i = 0; i < s->count_formats; i++)
793 if (s->formats[i] == format)
800 drm_view_transform_supported(struct weston_view *ev)
802 return !ev->transform.enabled ||
803 (ev->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
806 static struct weston_plane *
807 drm_output_prepare_overlay_view(struct weston_output *output_base,
808 struct weston_view *ev)
810 struct weston_compositor *ec = output_base->compositor;
811 struct drm_compositor *c =(struct drm_compositor *) ec;
812 struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
813 struct drm_sprite *s;
816 pixman_region32_t dest_rect, src_rect;
817 pixman_box32_t *box, tbox;
819 wl_fixed_t sx1, sy1, sx2, sy2;
824 if (viewport->buffer.transform != output_base->transform)
827 if (viewport->buffer.scale != output_base->current_scale)
830 if (c->sprites_are_broken)
833 if (ev->output_mask != (1u << output_base->id))
836 if (ev->surface->buffer_ref.buffer == NULL)
839 if (ev->alpha != 1.0f)
842 if (wl_shm_buffer_get(ev->surface->buffer_ref.buffer->resource))
845 if (!drm_view_transform_supported(ev))
848 wl_list_for_each(s, &c->sprite_list, link) {
849 if (!drm_sprite_crtc_supported(output_base, s->possible_crtcs))
858 /* No sprites available */
862 bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
863 ev->surface->buffer_ref.buffer->resource,
868 format = drm_output_check_sprite_format(s, ev, bo);
874 s->next = drm_fb_get_from_bo(bo, c, format);
880 drm_fb_set_buffer(s->next, ev->surface->buffer_ref.buffer);
882 box = pixman_region32_extents(&ev->transform.boundingbox);
883 s->plane.x = box->x1;
884 s->plane.y = box->y1;
887 * Calculate the source & dest rects properly based on actual
888 * position (note the caller has called weston_surface_update_transform()
891 pixman_region32_init(&dest_rect);
892 pixman_region32_intersect(&dest_rect, &ev->transform.boundingbox,
893 &output_base->region);
894 pixman_region32_translate(&dest_rect, -output_base->x, -output_base->y);
895 box = pixman_region32_extents(&dest_rect);
896 tbox = weston_transformed_rect(output_base->width,
898 output_base->transform,
899 output_base->current_scale,
903 s->dest_w = tbox.x2 - tbox.x1;
904 s->dest_h = tbox.y2 - tbox.y1;
905 pixman_region32_fini(&dest_rect);
907 pixman_region32_init(&src_rect);
908 pixman_region32_intersect(&src_rect, &ev->transform.boundingbox,
909 &output_base->region);
910 box = pixman_region32_extents(&src_rect);
912 weston_view_from_global_fixed(ev,
913 wl_fixed_from_int(box->x1),
914 wl_fixed_from_int(box->y1),
916 weston_view_from_global_fixed(ev,
917 wl_fixed_from_int(box->x2),
918 wl_fixed_from_int(box->y2),
925 if (sx2 > wl_fixed_from_int(ev->surface->width))
926 sx2 = wl_fixed_from_int(ev->surface->width);
927 if (sy2 > wl_fixed_from_int(ev->surface->height))
928 sy2 = wl_fixed_from_int(ev->surface->height);
935 tbox = weston_transformed_rect(wl_fixed_from_int(ev->surface->width),
936 wl_fixed_from_int(ev->surface->height),
937 viewport->buffer.transform,
938 viewport->buffer.scale,
941 s->src_x = tbox.x1 << 8;
942 s->src_y = tbox.y1 << 8;
943 s->src_w = (tbox.x2 - tbox.x1) << 8;
944 s->src_h = (tbox.y2 - tbox.y1) << 8;
945 pixman_region32_fini(&src_rect);
950 static struct weston_plane *
951 drm_output_prepare_cursor_view(struct weston_output *output_base,
952 struct weston_view *ev)
954 struct drm_compositor *c =
955 (struct drm_compositor *) output_base->compositor;
956 struct drm_output *output = (struct drm_output *) output_base;
960 if (output->base.transform != WL_OUTPUT_TRANSFORM_NORMAL)
962 if (output->cursor_view)
964 if (ev->output_mask != (1u << output_base->id))
966 if (c->cursors_are_broken)
968 if (ev->surface->buffer_ref.buffer == NULL ||
969 !wl_shm_buffer_get(ev->surface->buffer_ref.buffer->resource) ||
970 ev->surface->width > 64 || ev->surface->height > 64)
973 output->cursor_view = ev;
975 return &output->cursor_plane;
979 drm_output_set_cursor(struct drm_output *output)
981 struct weston_view *ev = output->cursor_view;
982 struct weston_buffer *buffer;
983 struct drm_compositor *c =
984 (struct drm_compositor *) output->base.compositor;
985 EGLint handle, stride;
987 uint32_t buf[64 * 64];
991 output->cursor_view = NULL;
993 drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
997 buffer = ev->surface->buffer_ref.buffer;
1000 pixman_region32_not_empty(&output->cursor_plane.damage)) {
1001 pixman_region32_fini(&output->cursor_plane.damage);
1002 pixman_region32_init(&output->cursor_plane.damage);
1003 output->current_cursor ^= 1;
1004 bo = output->cursor_bo[output->current_cursor];
1005 memset(buf, 0, sizeof buf);
1006 stride = wl_shm_buffer_get_stride(buffer->shm_buffer);
1007 s = wl_shm_buffer_get_data(buffer->shm_buffer);
1008 wl_shm_buffer_begin_access(buffer->shm_buffer);
1009 for (i = 0; i < ev->surface->height; i++)
1010 memcpy(buf + i * 64, s + i * stride,
1011 ev->surface->width * 4);
1012 wl_shm_buffer_end_access(buffer->shm_buffer);
1014 if (gbm_bo_write(bo, buf, sizeof buf) < 0)
1015 weston_log("failed update cursor: %m\n");
1017 handle = gbm_bo_get_handle(bo).s32;
1018 if (drmModeSetCursor(c->drm.fd,
1019 output->crtc_id, handle, 64, 64)) {
1020 weston_log("failed to set cursor: %m\n");
1021 c->cursors_are_broken = 1;
1025 x = (ev->geometry.x - output->base.x) * output->base.current_scale;
1026 y = (ev->geometry.y - output->base.y) * output->base.current_scale;
1027 if (output->cursor_plane.x != x || output->cursor_plane.y != y) {
1028 if (drmModeMoveCursor(c->drm.fd, output->crtc_id, x, y)) {
1029 weston_log("failed to move cursor: %m\n");
1030 c->cursors_are_broken = 1;
1033 output->cursor_plane.x = x;
1034 output->cursor_plane.y = y;
1039 drm_assign_planes(struct weston_output *output)
1041 struct drm_compositor *c =
1042 (struct drm_compositor *) output->compositor;
1043 struct weston_view *ev, *next;
1044 pixman_region32_t overlap, surface_overlap;
1045 struct weston_plane *primary, *next_plane;
1048 * Find a surface for each sprite in the output using some heuristics:
1050 * 2) frequency of update
1051 * 3) opacity (though some hw might support alpha blending)
1052 * 4) clipping (this can be fixed with color keys)
1054 * The idea is to save on blitting since this should save power.
1055 * If we can get a large video surface on the sprite for example,
1056 * the main display surface may not need to update at all, and
1057 * the client buffer can be used directly for the sprite surface
1058 * as we do for flipping full screen surfaces.
1060 pixman_region32_init(&overlap);
1061 primary = &c->base.primary_plane;
1063 wl_list_for_each_safe(ev, next, &c->base.view_list, link) {
1064 struct weston_surface *es = ev->surface;
1066 /* Test whether this buffer can ever go into a plane:
1067 * non-shm, or small enough to be a cursor.
1069 * Also, keep a reference when using the pixman renderer.
1070 * That makes it possible to do a seamless switch to the GL
1071 * renderer and since the pixman renderer keeps a reference
1072 * to the buffer anyway, there is no side effects.
1074 if (c->use_pixman ||
1075 (es->buffer_ref.buffer &&
1076 (!wl_shm_buffer_get(es->buffer_ref.buffer->resource) ||
1077 (ev->surface->width <= 64 && ev->surface->height <= 64))))
1078 es->keep_buffer = 1;
1080 es->keep_buffer = 0;
1082 pixman_region32_init(&surface_overlap);
1083 pixman_region32_intersect(&surface_overlap, &overlap,
1084 &ev->transform.boundingbox);
1087 if (pixman_region32_not_empty(&surface_overlap))
1088 next_plane = primary;
1089 if (next_plane == NULL)
1090 next_plane = drm_output_prepare_cursor_view(output, ev);
1091 if (next_plane == NULL)
1092 next_plane = drm_output_prepare_scanout_view(output, ev);
1093 if (next_plane == NULL)
1094 next_plane = drm_output_prepare_overlay_view(output, ev);
1095 if (next_plane == NULL)
1096 next_plane = primary;
1097 weston_view_move_to_plane(ev, next_plane);
1098 if (next_plane == primary)
1099 pixman_region32_union(&overlap, &overlap,
1100 &ev->transform.boundingbox);
1102 pixman_region32_fini(&surface_overlap);
1104 pixman_region32_fini(&overlap);
1108 drm_output_fini_pixman(struct drm_output *output);
1111 drm_output_destroy(struct weston_output *output_base)
1113 struct drm_output *output = (struct drm_output *) output_base;
1114 struct drm_compositor *c =
1115 (struct drm_compositor *) output->base.compositor;
1116 drmModeCrtcPtr origcrtc = output->original_crtc;
1118 if (output->page_flip_pending) {
1119 output->destroy_pending = 1;
1120 weston_log("destroy output while page flip pending\n");
1124 if (output->backlight)
1125 backlight_destroy(output->backlight);
1127 drmModeFreeProperty(output->dpms_prop);
1129 /* Turn off hardware cursor */
1130 drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
1132 /* Restore original CRTC state */
1133 drmModeSetCrtc(c->drm.fd, origcrtc->crtc_id, origcrtc->buffer_id,
1134 origcrtc->x, origcrtc->y,
1135 &output->connector_id, 1, &origcrtc->mode);
1136 drmModeFreeCrtc(origcrtc);
1138 c->crtc_allocator &= ~(1 << output->crtc_id);
1139 c->connector_allocator &= ~(1 << output->connector_id);
1141 if (c->use_pixman) {
1142 drm_output_fini_pixman(output);
1144 gl_renderer->output_destroy(output_base);
1145 gbm_surface_destroy(output->surface);
1148 weston_plane_release(&output->fb_plane);
1149 weston_plane_release(&output->cursor_plane);
1151 weston_output_destroy(&output->base);
1156 static struct drm_mode *
1157 choose_mode (struct drm_output *output, struct weston_mode *target_mode)
1159 struct drm_mode *tmp_mode = NULL, *mode;
1161 if (output->base.current_mode->width == target_mode->width &&
1162 output->base.current_mode->height == target_mode->height &&
1163 (output->base.current_mode->refresh == target_mode->refresh ||
1164 target_mode->refresh == 0))
1165 return (struct drm_mode *)output->base.current_mode;
1167 wl_list_for_each(mode, &output->base.mode_list, base.link) {
1168 if (mode->mode_info.hdisplay == target_mode->width &&
1169 mode->mode_info.vdisplay == target_mode->height) {
1170 if (mode->mode_info.vrefresh == target_mode->refresh ||
1171 target_mode->refresh == 0) {
1173 } else if (!tmp_mode)
1182 drm_output_init_egl(struct drm_output *output, struct drm_compositor *ec);
1184 drm_output_init_pixman(struct drm_output *output, struct drm_compositor *c);
1187 drm_output_switch_mode(struct weston_output *output_base, struct weston_mode *mode)
1189 struct drm_output *output;
1190 struct drm_mode *drm_mode;
1191 struct drm_compositor *ec;
1193 if (output_base == NULL) {
1194 weston_log("output is NULL.\n");
1199 weston_log("mode is NULL.\n");
1203 ec = (struct drm_compositor *)output_base->compositor;
1204 output = (struct drm_output *)output_base;
1205 drm_mode = choose_mode (output, mode);
1208 weston_log("%s, invalid resolution:%dx%d\n", __func__, mode->width, mode->height);
1212 if (&drm_mode->base == output->base.current_mode)
1215 output->base.current_mode->flags = 0;
1217 output->base.current_mode = &drm_mode->base;
1218 output->base.current_mode->flags =
1219 WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
1221 /* reset rendering stuff. */
1222 drm_output_release_fb(output, output->current);
1223 drm_output_release_fb(output, output->next);
1224 output->current = output->next = NULL;
1226 if (ec->use_pixman) {
1227 drm_output_fini_pixman(output);
1228 if (drm_output_init_pixman(output, ec) < 0) {
1229 weston_log("failed to init output pixman state with "
1234 gl_renderer->output_destroy(&output->base);
1235 gbm_surface_destroy(output->surface);
1237 if (drm_output_init_egl(output, ec) < 0) {
1238 weston_log("failed to init output egl state with "
1248 on_drm_input(int fd, uint32_t mask, void *data)
1250 drmEventContext evctx;
1252 memset(&evctx, 0, sizeof evctx);
1253 evctx.version = DRM_EVENT_CONTEXT_VERSION;
1254 evctx.page_flip_handler = page_flip_handler;
1255 evctx.vblank_handler = vblank_handler;
1256 drmHandleEvent(fd, &evctx);
1262 init_drm(struct drm_compositor *ec, struct udev_device *device)
1264 const char *filename, *sysnum;
1268 sysnum = udev_device_get_sysnum(device);
1270 ec->drm.id = atoi(sysnum);
1271 if (!sysnum || ec->drm.id < 0) {
1272 weston_log("cannot get device sysnum\n");
1276 filename = udev_device_get_devnode(device);
1277 fd = weston_launcher_open(ec->base.launcher, filename, O_RDWR);
1279 /* Probably permissions error */
1280 weston_log("couldn't open %s, skipping\n",
1281 udev_device_get_devnode(device));
1285 weston_log("using %s\n", filename);
1288 ec->drm.filename = strdup(filename);
1290 ret = drmGetCap(fd, DRM_CAP_TIMESTAMP_MONOTONIC, &cap);
1291 if (ret == 0 && cap == 1)
1292 ec->clock = CLOCK_MONOTONIC;
1294 ec->clock = CLOCK_REALTIME;
1299 static struct gbm_device *
1300 create_gbm_device(int fd)
1302 struct gbm_device *gbm;
1304 gl_renderer = weston_load_module("gl-renderer.so",
1305 "gl_renderer_interface");
1309 /* GBM will load a dri driver, but even though they need symbols from
1310 * libglapi, in some version of Mesa they are not linked to it. Since
1311 * only the gl-renderer module links to it, the call above won't make
1312 * these symbols globally available, and loading the DRI driver fails.
1313 * Workaround this by dlopen()'ing libglapi with RTLD_GLOBAL. */
1314 dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL);
1316 gbm = gbm_create_device(fd);
1322 drm_compositor_create_gl_renderer(struct drm_compositor *ec)
1326 format = ec->format;
1327 if (gl_renderer->create(&ec->base, ec->gbm,
1328 gl_renderer->opaque_attribs, &format) < 0) {
1336 init_egl(struct drm_compositor *ec)
1338 ec->gbm = create_gbm_device(ec->drm.fd);
1343 if (drm_compositor_create_gl_renderer(ec) < 0) {
1344 gbm_device_destroy(ec->gbm);
1352 init_pixman(struct drm_compositor *ec)
1354 return pixman_renderer_init(&ec->base);
1357 static struct drm_mode *
1358 drm_output_add_mode(struct drm_output *output, drmModeModeInfo *info)
1360 struct drm_mode *mode;
1363 mode = malloc(sizeof *mode);
1367 mode->base.flags = 0;
1368 mode->base.width = info->hdisplay;
1369 mode->base.height = info->vdisplay;
1371 /* Calculate higher precision (mHz) refresh rate */
1372 refresh = (info->clock * 1000000LL / info->htotal +
1373 info->vtotal / 2) / info->vtotal;
1375 if (info->flags & DRM_MODE_FLAG_INTERLACE)
1377 if (info->flags & DRM_MODE_FLAG_DBLSCAN)
1379 if (info->vscan > 1)
1380 refresh /= info->vscan;
1382 mode->base.refresh = refresh;
1383 mode->mode_info = *info;
1385 if (info->type & DRM_MODE_TYPE_PREFERRED)
1386 mode->base.flags |= WL_OUTPUT_MODE_PREFERRED;
1388 wl_list_insert(output->base.mode_list.prev, &mode->base.link);
1394 drm_subpixel_to_wayland(int drm_value)
1396 switch (drm_value) {
1398 case DRM_MODE_SUBPIXEL_UNKNOWN:
1399 return WL_OUTPUT_SUBPIXEL_UNKNOWN;
1400 case DRM_MODE_SUBPIXEL_NONE:
1401 return WL_OUTPUT_SUBPIXEL_NONE;
1402 case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
1403 return WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
1404 case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
1405 return WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
1406 case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
1407 return WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
1408 case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
1409 return WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
1413 /* returns a value between 0-255 range, where higher is brighter */
1415 drm_get_backlight(struct drm_output *output)
1417 long brightness, max_brightness, norm;
1419 brightness = backlight_get_brightness(output->backlight);
1420 max_brightness = backlight_get_max_brightness(output->backlight);
1422 /* convert it on a scale of 0 to 255 */
1423 norm = (brightness * 255)/(max_brightness);
1425 return (uint32_t) norm;
1428 /* values accepted are between 0-255 range */
1430 drm_set_backlight(struct weston_output *output_base, uint32_t value)
1432 struct drm_output *output = (struct drm_output *) output_base;
1433 long max_brightness, new_brightness;
1435 if (!output->backlight)
1441 max_brightness = backlight_get_max_brightness(output->backlight);
1443 /* get denormalized value */
1444 new_brightness = (value * max_brightness) / 255;
1446 backlight_set_brightness(output->backlight, new_brightness);
1449 static drmModePropertyPtr
1450 drm_get_prop(int fd, drmModeConnectorPtr connector, const char *name)
1452 drmModePropertyPtr props;
1455 for (i = 0; i < connector->count_props; i++) {
1456 props = drmModeGetProperty(fd, connector->props[i]);
1460 if (!strcmp(props->name, name))
1463 drmModeFreeProperty(props);
1470 drm_set_dpms(struct weston_output *output_base, enum dpms_enum level)
1472 struct drm_output *output = (struct drm_output *) output_base;
1473 struct weston_compositor *ec = output_base->compositor;
1474 struct drm_compositor *c = (struct drm_compositor *) ec;
1476 if (!output->dpms_prop)
1479 drmModeConnectorSetProperty(c->drm.fd, output->connector_id,
1480 output->dpms_prop->prop_id, level);
1483 static const char *connector_type_names[] = {
1502 find_crtc_for_connector(struct drm_compositor *ec,
1503 drmModeRes *resources, drmModeConnector *connector)
1505 drmModeEncoder *encoder;
1506 uint32_t possible_crtcs;
1509 for (j = 0; j < connector->count_encoders; j++) {
1510 encoder = drmModeGetEncoder(ec->drm.fd, connector->encoders[j]);
1511 if (encoder == NULL) {
1512 weston_log("Failed to get encoder.\n");
1515 possible_crtcs = encoder->possible_crtcs;
1516 drmModeFreeEncoder(encoder);
1518 for (i = 0; i < resources->count_crtcs; i++) {
1519 if (possible_crtcs & (1 << i) &&
1520 !(ec->crtc_allocator & (1 << resources->crtcs[i])))
1528 /* Init output state that depends on gl or gbm */
1530 drm_output_init_egl(struct drm_output *output, struct drm_compositor *ec)
1532 EGLint format = output->format;
1535 output->surface = gbm_surface_create(ec->gbm,
1536 output->base.current_mode->width,
1537 output->base.current_mode->height,
1539 GBM_BO_USE_SCANOUT |
1540 GBM_BO_USE_RENDERING);
1541 if (!output->surface) {
1542 weston_log("failed to create gbm surface\n");
1546 if (gl_renderer->output_create(&output->base, output->surface,
1547 gl_renderer->opaque_attribs,
1549 weston_log("failed to create gl renderer output state\n");
1550 gbm_surface_destroy(output->surface);
1554 flags = GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_WRITE;
1556 for (i = 0; i < 2; i++) {
1557 if (output->cursor_bo[i])
1560 output->cursor_bo[i] =
1561 gbm_bo_create(ec->gbm, 64, 64, GBM_FORMAT_ARGB8888,
1565 if (output->cursor_bo[0] == NULL || output->cursor_bo[1] == NULL) {
1566 weston_log("cursor buffers unavailable, using gl cursors\n");
1567 ec->cursors_are_broken = 1;
1574 drm_output_init_pixman(struct drm_output *output, struct drm_compositor *c)
1576 int w = output->base.current_mode->width;
1577 int h = output->base.current_mode->height;
1580 /* FIXME error checking */
1582 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1583 output->dumb[i] = drm_fb_create_dumb(c, w, h);
1584 if (!output->dumb[i])
1588 pixman_image_create_bits(PIXMAN_x8r8g8b8, w, h,
1589 output->dumb[i]->map,
1590 output->dumb[i]->stride);
1591 if (!output->image[i])
1595 if (pixman_renderer_output_create(&output->base) < 0)
1598 pixman_region32_init_rect(&output->previous_damage,
1599 output->base.x, output->base.y, output->base.width, output->base.height);
1604 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1605 if (output->dumb[i])
1606 drm_fb_destroy_dumb(output->dumb[i]);
1607 if (output->image[i])
1608 pixman_image_unref(output->image[i]);
1610 output->dumb[i] = NULL;
1611 output->image[i] = NULL;
1618 drm_output_fini_pixman(struct drm_output *output)
1622 pixman_renderer_output_destroy(&output->base);
1623 pixman_region32_fini(&output->previous_damage);
1625 for (i = 0; i < ARRAY_LENGTH(output->dumb); i++) {
1626 drm_fb_destroy_dumb(output->dumb[i]);
1627 pixman_image_unref(output->image[i]);
1628 output->dumb[i] = NULL;
1629 output->image[i] = NULL;
1634 edid_parse_string(const uint8_t *data, char text[])
1639 /* this is always 12 bytes, but we can't guarantee it's null
1640 * terminated or not junk. */
1641 strncpy(text, (const char *) data, 12);
1643 /* remove insane chars */
1644 for (i = 0; text[i] != '\0'; i++) {
1645 if (text[i] == '\n' ||
1652 /* ensure string is printable */
1653 for (i = 0; text[i] != '\0'; i++) {
1654 if (!isprint(text[i])) {
1660 /* if the string is random junk, ignore the string */
1665 #define EDID_DESCRIPTOR_ALPHANUMERIC_DATA_STRING 0xfe
1666 #define EDID_DESCRIPTOR_DISPLAY_PRODUCT_NAME 0xfc
1667 #define EDID_DESCRIPTOR_DISPLAY_PRODUCT_SERIAL_NUMBER 0xff
1668 #define EDID_OFFSET_DATA_BLOCKS 0x36
1669 #define EDID_OFFSET_LAST_BLOCK 0x6c
1670 #define EDID_OFFSET_PNPID 0x08
1671 #define EDID_OFFSET_SERIAL 0x0c
1674 edid_parse(struct drm_edid *edid, const uint8_t *data, size_t length)
1677 uint32_t serial_number;
1682 if (data[0] != 0x00 || data[1] != 0xff)
1685 /* decode the PNP ID from three 5 bit words packed into 2 bytes
1690 edid->pnp_id[0] = 'A' + ((data[EDID_OFFSET_PNPID + 0] & 0x7c) / 4) - 1;
1691 edid->pnp_id[1] = 'A' + ((data[EDID_OFFSET_PNPID + 0] & 0x3) * 8) + ((data[EDID_OFFSET_PNPID + 1] & 0xe0) / 32) - 1;
1692 edid->pnp_id[2] = 'A' + (data[EDID_OFFSET_PNPID + 1] & 0x1f) - 1;
1693 edid->pnp_id[3] = '\0';
1695 /* maybe there isn't a ASCII serial number descriptor, so use this instead */
1696 serial_number = (uint32_t) data[EDID_OFFSET_SERIAL + 0];
1697 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 1] * 0x100;
1698 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 2] * 0x10000;
1699 serial_number += (uint32_t) data[EDID_OFFSET_SERIAL + 3] * 0x1000000;
1700 if (serial_number > 0)
1701 sprintf(edid->serial_number, "%lu", (unsigned long) serial_number);
1703 /* parse EDID data */
1704 for (i = EDID_OFFSET_DATA_BLOCKS;
1705 i <= EDID_OFFSET_LAST_BLOCK;
1707 /* ignore pixel clock data */
1713 /* any useful blocks? */
1714 if (data[i+3] == EDID_DESCRIPTOR_DISPLAY_PRODUCT_NAME) {
1715 edid_parse_string(&data[i+5],
1716 edid->monitor_name);
1717 } else if (data[i+3] == EDID_DESCRIPTOR_DISPLAY_PRODUCT_SERIAL_NUMBER) {
1718 edid_parse_string(&data[i+5],
1719 edid->serial_number);
1720 } else if (data[i+3] == EDID_DESCRIPTOR_ALPHANUMERIC_DATA_STRING) {
1721 edid_parse_string(&data[i+5],
1729 find_and_parse_output_edid(struct drm_compositor *ec,
1730 struct drm_output *output,
1731 drmModeConnector *connector)
1733 drmModePropertyBlobPtr edid_blob = NULL;
1734 drmModePropertyPtr property;
1738 for (i = 0; i < connector->count_props && !edid_blob; i++) {
1739 property = drmModeGetProperty(ec->drm.fd, connector->props[i]);
1742 if ((property->flags & DRM_MODE_PROP_BLOB) &&
1743 !strcmp(property->name, "EDID")) {
1744 edid_blob = drmModeGetPropertyBlob(ec->drm.fd,
1745 connector->prop_values[i]);
1747 drmModeFreeProperty(property);
1752 rc = edid_parse(&output->edid,
1756 weston_log("EDID data '%s', '%s', '%s'\n",
1757 output->edid.pnp_id,
1758 output->edid.monitor_name,
1759 output->edid.serial_number);
1760 if (output->edid.pnp_id[0] != '\0')
1761 output->base.make = output->edid.pnp_id;
1762 if (output->edid.monitor_name[0] != '\0')
1763 output->base.model = output->edid.monitor_name;
1764 if (output->edid.serial_number[0] != '\0')
1765 output->base.serial_number = output->edid.serial_number;
1767 drmModeFreePropertyBlob(edid_blob);
1773 parse_modeline(const char *s, drmModeModeInfo *mode)
1779 mode->type = DRM_MODE_TYPE_USERDEF;
1785 if (sscanf(s, "%f %hd %hd %hd %hd %hd %hd %hd %hd %15s %15s",
1794 &mode->vtotal, hsync, vsync) != 11)
1797 mode->clock = fclock * 1000;
1798 if (strcmp(hsync, "+hsync") == 0)
1799 mode->flags |= DRM_MODE_FLAG_PHSYNC;
1800 else if (strcmp(hsync, "-hsync") == 0)
1801 mode->flags |= DRM_MODE_FLAG_NHSYNC;
1805 if (strcmp(vsync, "+vsync") == 0)
1806 mode->flags |= DRM_MODE_FLAG_PVSYNC;
1807 else if (strcmp(vsync, "-vsync") == 0)
1808 mode->flags |= DRM_MODE_FLAG_NVSYNC;
1816 parse_transform(const char *transform, const char *output_name)
1818 static const struct { const char *name; uint32_t token; } names[] = {
1819 { "normal", WL_OUTPUT_TRANSFORM_NORMAL },
1820 { "90", WL_OUTPUT_TRANSFORM_90 },
1821 { "180", WL_OUTPUT_TRANSFORM_180 },
1822 { "270", WL_OUTPUT_TRANSFORM_270 },
1823 { "flipped", WL_OUTPUT_TRANSFORM_FLIPPED },
1824 { "flipped-90", WL_OUTPUT_TRANSFORM_FLIPPED_90 },
1825 { "flipped-180", WL_OUTPUT_TRANSFORM_FLIPPED_180 },
1826 { "flipped-270", WL_OUTPUT_TRANSFORM_FLIPPED_270 },
1830 for (i = 0; i < ARRAY_LENGTH(names); i++)
1831 if (strcmp(names[i].name, transform) == 0)
1832 return names[i].token;
1834 weston_log("Invalid transform \"%s\" for output %s\n",
1835 transform, output_name);
1837 return WL_OUTPUT_TRANSFORM_NORMAL;
1841 setup_output_seat_constraint(struct drm_compositor *ec,
1842 struct weston_output *output,
1845 if (strcmp(s, "") != 0) {
1846 struct udev_seat *seat;
1848 seat = udev_seat_get_named(&ec->input, s);
1850 seat->base.output = output;
1852 if (seat && seat->base.pointer)
1853 weston_pointer_clamp(seat->base.pointer,
1854 &seat->base.pointer->x,
1855 &seat->base.pointer->y);
1860 get_gbm_format_from_section(struct weston_config_section *section,
1861 uint32_t default_value,
1867 weston_config_section_get_string(section,
1868 "gbm-format", &s, NULL);
1871 *format = default_value;
1872 else if (strcmp(s, "xrgb8888") == 0)
1873 *format = GBM_FORMAT_XRGB8888;
1874 else if (strcmp(s, "rgb565") == 0)
1875 *format = GBM_FORMAT_RGB565;
1876 else if (strcmp(s, "xrgb2101010") == 0)
1877 *format = GBM_FORMAT_XRGB2101010;
1879 weston_log("fatal: unrecognized pixel format: %s\n", s);
1889 create_output_for_connector(struct drm_compositor *ec,
1890 drmModeRes *resources,
1891 drmModeConnector *connector,
1892 int x, int y, struct udev_device *drm_device)
1894 struct drm_output *output;
1895 struct drm_mode *drm_mode, *next, *preferred, *current, *configured, *best;
1896 struct weston_mode *m;
1897 struct weston_config_section *section;
1898 drmModeEncoder *encoder;
1899 drmModeModeInfo crtc_mode, modeline;
1901 int i, width, height, scale;
1903 const char *type_name;
1904 enum output_config config;
1907 i = find_crtc_for_connector(ec, resources, connector);
1909 weston_log("No usable crtc/encoder pair for connector.\n");
1913 output = zalloc(sizeof *output);
1917 output->base.subpixel = drm_subpixel_to_wayland(connector->subpixel);
1918 output->base.make = "unknown";
1919 output->base.model = "unknown";
1920 output->base.serial_number = "unknown";
1921 wl_list_init(&output->base.mode_list);
1923 if (connector->connector_type < ARRAY_LENGTH(connector_type_names))
1924 type_name = connector_type_names[connector->connector_type];
1926 type_name = "UNKNOWN";
1927 snprintf(name, 32, "%s%d", type_name, connector->connector_type_id);
1928 output->base.name = strdup(name);
1930 section = weston_config_get_section(ec->base.config, "output", "name",
1932 weston_config_section_get_string(section, "mode", &s, "preferred");
1933 if (strcmp(s, "off") == 0)
1934 config = OUTPUT_CONFIG_OFF;
1935 else if (strcmp(s, "preferred") == 0)
1936 config = OUTPUT_CONFIG_PREFERRED;
1937 else if (strcmp(s, "current") == 0)
1938 config = OUTPUT_CONFIG_CURRENT;
1939 else if (sscanf(s, "%dx%d", &width, &height) == 2)
1940 config = OUTPUT_CONFIG_MODE;
1941 else if (parse_modeline(s, &modeline) == 0)
1942 config = OUTPUT_CONFIG_MODELINE;
1944 weston_log("Invalid mode \"%s\" for output %s\n",
1945 s, output->base.name);
1946 config = OUTPUT_CONFIG_PREFERRED;
1950 weston_config_section_get_int(section, "scale", &scale, 1);
1951 weston_config_section_get_string(section, "transform", &s, "normal");
1952 transform = parse_transform(s, output->base.name);
1955 if (get_gbm_format_from_section(section,
1957 &output->format) == -1)
1958 output->format = ec->format;
1960 weston_config_section_get_string(section, "seat", &s, "");
1961 setup_output_seat_constraint(ec, &output->base, s);
1964 output->crtc_id = resources->crtcs[i];
1966 ec->crtc_allocator |= (1 << output->crtc_id);
1967 output->connector_id = connector->connector_id;
1968 ec->connector_allocator |= (1 << output->connector_id);
1970 output->original_crtc = drmModeGetCrtc(ec->drm.fd, output->crtc_id);
1971 output->dpms_prop = drm_get_prop(ec->drm.fd, connector, "DPMS");
1973 /* Get the current mode on the crtc that's currently driving
1974 * this connector. */
1975 encoder = drmModeGetEncoder(ec->drm.fd, connector->encoder_id);
1976 memset(&crtc_mode, 0, sizeof crtc_mode);
1977 if (encoder != NULL) {
1978 crtc = drmModeGetCrtc(ec->drm.fd, encoder->crtc_id);
1979 drmModeFreeEncoder(encoder);
1982 if (crtc->mode_valid)
1983 crtc_mode = crtc->mode;
1984 drmModeFreeCrtc(crtc);
1987 for (i = 0; i < connector->count_modes; i++) {
1988 drm_mode = drm_output_add_mode(output, &connector->modes[i]);
1993 if (config == OUTPUT_CONFIG_OFF) {
1994 weston_log("Disabling output %s\n", output->base.name);
1995 drmModeSetCrtc(ec->drm.fd, output->crtc_id,
1996 0, 0, 0, 0, 0, NULL);
2005 wl_list_for_each_reverse(drm_mode, &output->base.mode_list, base.link) {
2006 if (config == OUTPUT_CONFIG_MODE &&
2007 width == drm_mode->base.width &&
2008 height == drm_mode->base.height)
2009 configured = drm_mode;
2010 if (!memcmp(&crtc_mode, &drm_mode->mode_info, sizeof crtc_mode))
2012 if (drm_mode->base.flags & WL_OUTPUT_MODE_PREFERRED)
2013 preferred = drm_mode;
2017 if (config == OUTPUT_CONFIG_MODELINE) {
2018 configured = drm_output_add_mode(output, &modeline);
2023 if (current == NULL && crtc_mode.clock != 0) {
2024 current = drm_output_add_mode(output, &crtc_mode);
2029 if (config == OUTPUT_CONFIG_CURRENT)
2030 configured = current;
2032 if (option_current_mode && current)
2033 output->base.current_mode = ¤t->base;
2034 else if (configured)
2035 output->base.current_mode = &configured->base;
2037 output->base.current_mode = &preferred->base;
2039 output->base.current_mode = ¤t->base;
2041 output->base.current_mode = &best->base;
2043 if (output->base.current_mode == NULL) {
2044 weston_log("no available modes for %s\n", output->base.name);
2048 output->base.current_mode->flags |= WL_OUTPUT_MODE_CURRENT;
2050 weston_output_init(&output->base, &ec->base, x, y,
2051 connector->mmWidth, connector->mmHeight,
2054 if (ec->use_pixman) {
2055 if (drm_output_init_pixman(output, ec) < 0) {
2056 weston_log("Failed to init output pixman state\n");
2059 } else if (drm_output_init_egl(output, ec) < 0) {
2060 weston_log("Failed to init output gl state\n");
2064 output->backlight = backlight_init(drm_device,
2065 connector->connector_type);
2066 if (output->backlight) {
2067 weston_log("Initialized backlight, device %s\n",
2068 output->backlight->path);
2069 output->base.set_backlight = drm_set_backlight;
2070 output->base.backlight_current = drm_get_backlight(output);
2072 weston_log("Failed to initialize backlight\n");
2075 wl_list_insert(ec->base.output_list.prev, &output->base.link);
2077 find_and_parse_output_edid(ec, output, connector);
2078 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
2079 output->base.connection_internal = 1;
2081 output->base.start_repaint_loop = drm_output_start_repaint_loop;
2082 output->base.repaint = drm_output_repaint;
2083 output->base.destroy = drm_output_destroy;
2084 output->base.assign_planes = drm_assign_planes;
2085 output->base.set_dpms = drm_set_dpms;
2086 output->base.switch_mode = drm_output_switch_mode;
2088 output->base.gamma_size = output->original_crtc->gamma_size;
2089 output->base.set_gamma = drm_output_set_gamma;
2091 weston_plane_init(&output->cursor_plane, &ec->base, 0, 0);
2092 weston_plane_init(&output->fb_plane, &ec->base, 0, 0);
2094 weston_compositor_stack_plane(&ec->base, &output->cursor_plane, NULL);
2095 weston_compositor_stack_plane(&ec->base, &output->fb_plane,
2096 &ec->base.primary_plane);
2098 weston_log("Output %s, (connector %d, crtc %d)\n",
2099 output->base.name, output->connector_id, output->crtc_id);
2100 wl_list_for_each(m, &output->base.mode_list, link)
2101 weston_log_continue(STAMP_SPACE "mode %dx%d@%.1f%s%s%s\n",
2102 m->width, m->height, m->refresh / 1000.0,
2103 m->flags & WL_OUTPUT_MODE_PREFERRED ?
2105 m->flags & WL_OUTPUT_MODE_CURRENT ?
2107 connector->count_modes == 0 ?
2113 weston_output_destroy(&output->base);
2115 wl_list_for_each_safe(drm_mode, next, &output->base.mode_list,
2117 wl_list_remove(&drm_mode->base.link);
2121 drmModeFreeCrtc(output->original_crtc);
2122 ec->crtc_allocator &= ~(1 << output->crtc_id);
2123 ec->connector_allocator &= ~(1 << output->connector_id);
2130 create_sprites(struct drm_compositor *ec)
2132 struct drm_sprite *sprite;
2133 drmModePlaneRes *plane_res;
2134 drmModePlane *plane;
2137 plane_res = drmModeGetPlaneResources(ec->drm.fd);
2139 weston_log("failed to get plane resources: %s\n",
2144 for (i = 0; i < plane_res->count_planes; i++) {
2145 plane = drmModeGetPlane(ec->drm.fd, plane_res->planes[i]);
2149 sprite = zalloc(sizeof(*sprite) + ((sizeof(uint32_t)) *
2150 plane->count_formats));
2152 weston_log("%s: out of memory\n",
2154 drmModeFreePlane(plane);
2158 sprite->possible_crtcs = plane->possible_crtcs;
2159 sprite->plane_id = plane->plane_id;
2160 sprite->current = NULL;
2161 sprite->next = NULL;
2162 sprite->compositor = ec;
2163 sprite->count_formats = plane->count_formats;
2164 memcpy(sprite->formats, plane->formats,
2165 plane->count_formats * sizeof(plane->formats[0]));
2166 drmModeFreePlane(plane);
2167 weston_plane_init(&sprite->plane, &ec->base, 0, 0);
2168 weston_compositor_stack_plane(&ec->base, &sprite->plane,
2169 &ec->base.primary_plane);
2171 wl_list_insert(&ec->sprite_list, &sprite->link);
2174 drmModeFreePlaneResources(plane_res);
2178 destroy_sprites(struct drm_compositor *compositor)
2180 struct drm_sprite *sprite, *next;
2181 struct drm_output *output;
2183 output = container_of(compositor->base.output_list.next,
2184 struct drm_output, base.link);
2186 wl_list_for_each_safe(sprite, next, &compositor->sprite_list, link) {
2187 drmModeSetPlane(compositor->drm.fd,
2189 output->crtc_id, 0, 0,
2190 0, 0, 0, 0, 0, 0, 0, 0);
2191 drm_output_release_fb(output, sprite->current);
2192 drm_output_release_fb(output, sprite->next);
2193 weston_plane_release(&sprite->plane);
2199 create_outputs(struct drm_compositor *ec, uint32_t option_connector,
2200 struct udev_device *drm_device)
2202 drmModeConnector *connector;
2203 drmModeRes *resources;
2207 resources = drmModeGetResources(ec->drm.fd);
2209 weston_log("drmModeGetResources failed\n");
2213 ec->crtcs = calloc(resources->count_crtcs, sizeof(uint32_t));
2215 drmModeFreeResources(resources);
2219 ec->min_width = resources->min_width;
2220 ec->max_width = resources->max_width;
2221 ec->min_height = resources->min_height;
2222 ec->max_height = resources->max_height;
2224 ec->num_crtcs = resources->count_crtcs;
2225 memcpy(ec->crtcs, resources->crtcs, sizeof(uint32_t) * ec->num_crtcs);
2227 for (i = 0; i < resources->count_connectors; i++) {
2228 connector = drmModeGetConnector(ec->drm.fd,
2229 resources->connectors[i]);
2230 if (connector == NULL)
2233 if (connector->connection == DRM_MODE_CONNECTED &&
2234 (option_connector == 0 ||
2235 connector->connector_id == option_connector)) {
2236 if (create_output_for_connector(ec, resources,
2239 drmModeFreeConnector(connector);
2243 x += container_of(ec->base.output_list.prev,
2244 struct weston_output,
2248 drmModeFreeConnector(connector);
2251 if (wl_list_empty(&ec->base.output_list)) {
2252 weston_log("No currently active connector found.\n");
2253 drmModeFreeResources(resources);
2257 drmModeFreeResources(resources);
2263 update_outputs(struct drm_compositor *ec, struct udev_device *drm_device)
2265 drmModeConnector *connector;
2266 drmModeRes *resources;
2267 struct drm_output *output, *next;
2269 uint32_t connected = 0, disconnects = 0;
2272 resources = drmModeGetResources(ec->drm.fd);
2274 weston_log("drmModeGetResources failed\n");
2278 /* collect new connects */
2279 for (i = 0; i < resources->count_connectors; i++) {
2280 int connector_id = resources->connectors[i];
2282 connector = drmModeGetConnector(ec->drm.fd, connector_id);
2283 if (connector == NULL)
2286 if (connector->connection != DRM_MODE_CONNECTED) {
2287 drmModeFreeConnector(connector);
2291 connected |= (1 << connector_id);
2293 if (!(ec->connector_allocator & (1 << connector_id))) {
2294 struct weston_output *last =
2295 container_of(ec->base.output_list.prev,
2296 struct weston_output, link);
2298 /* XXX: not yet needed, we die with 0 outputs */
2299 if (!wl_list_empty(&ec->base.output_list))
2300 x = last->x + last->width;
2304 create_output_for_connector(ec, resources,
2307 weston_log("connector %d connected\n", connector_id);
2310 drmModeFreeConnector(connector);
2312 drmModeFreeResources(resources);
2314 disconnects = ec->connector_allocator & ~connected;
2316 wl_list_for_each_safe(output, next, &ec->base.output_list,
2318 if (disconnects & (1 << output->connector_id)) {
2319 disconnects &= ~(1 << output->connector_id);
2320 weston_log("connector %d disconnected\n",
2321 output->connector_id);
2322 drm_output_destroy(&output->base);
2327 /* FIXME: handle zero outputs, without terminating */
2328 if (ec->connector_allocator == 0)
2329 wl_display_terminate(ec->base.wl_display);
2333 udev_event_is_hotplug(struct drm_compositor *ec, struct udev_device *device)
2338 sysnum = udev_device_get_sysnum(device);
2339 if (!sysnum || atoi(sysnum) != ec->drm.id)
2342 val = udev_device_get_property_value(device, "HOTPLUG");
2346 return strcmp(val, "1") == 0;
2350 udev_drm_event(int fd, uint32_t mask, void *data)
2352 struct drm_compositor *ec = data;
2353 struct udev_device *event;
2355 event = udev_monitor_receive_device(ec->udev_monitor);
2357 if (udev_event_is_hotplug(ec, event))
2358 update_outputs(ec, event);
2360 udev_device_unref(event);
2366 drm_restore(struct weston_compositor *ec)
2368 weston_launcher_restore(ec->launcher);
2372 drm_destroy(struct weston_compositor *ec)
2374 struct drm_compositor *d = (struct drm_compositor *) ec;
2376 udev_input_destroy(&d->input);
2378 wl_event_source_remove(d->udev_drm_source);
2379 wl_event_source_remove(d->drm_source);
2383 weston_compositor_shutdown(ec);
2386 gbm_device_destroy(d->gbm);
2388 weston_launcher_destroy(d->base.launcher);
2396 drm_compositor_set_modes(struct drm_compositor *compositor)
2398 struct drm_output *output;
2399 struct drm_mode *drm_mode;
2402 wl_list_for_each(output, &compositor->base.output_list, base.link) {
2403 if (!output->current) {
2404 /* If something that would cause the output to
2405 * switch mode happened while in another vt, we
2406 * might not have a current drm_fb. In that case,
2407 * schedule a repaint and let drm_output_repaint
2408 * handle setting the mode. */
2409 weston_output_schedule_repaint(&output->base);
2413 drm_mode = (struct drm_mode *) output->base.current_mode;
2414 ret = drmModeSetCrtc(compositor->drm.fd, output->crtc_id,
2415 output->current->fb_id, 0, 0,
2416 &output->connector_id, 1,
2417 &drm_mode->mode_info);
2420 "failed to set mode %dx%d for output at %d,%d: %m\n",
2421 drm_mode->base.width, drm_mode->base.height,
2422 output->base.x, output->base.y);
2428 session_notify(struct wl_listener *listener, void *data)
2430 struct weston_compositor *compositor = data;
2431 struct drm_compositor *ec = data;
2432 struct drm_sprite *sprite;
2433 struct drm_output *output;
2435 if (ec->base.session_active) {
2436 weston_log("activating session\n");
2437 compositor->state = ec->prev_state;
2438 drm_compositor_set_modes(ec);
2439 weston_compositor_damage_all(compositor);
2440 udev_input_enable(&ec->input);
2442 weston_log("deactivating session\n");
2443 udev_input_disable(&ec->input);
2445 ec->prev_state = compositor->state;
2446 weston_compositor_offscreen(compositor);
2448 /* If we have a repaint scheduled (either from a
2449 * pending pageflip or the idle handler), make sure we
2450 * cancel that so we don't try to pageflip when we're
2451 * vt switched away. The OFFSCREEN state will prevent
2452 * further attemps at repainting. When we switch
2453 * back, we schedule a repaint, which will process
2454 * pending frame callbacks. */
2456 wl_list_for_each(output, &ec->base.output_list, base.link) {
2457 output->base.repaint_needed = 0;
2458 drmModeSetCursor(ec->drm.fd, output->crtc_id, 0, 0, 0);
2461 output = container_of(ec->base.output_list.next,
2462 struct drm_output, base.link);
2464 wl_list_for_each(sprite, &ec->sprite_list, link)
2465 drmModeSetPlane(ec->drm.fd,
2467 output->crtc_id, 0, 0,
2468 0, 0, 0, 0, 0, 0, 0, 0);
2473 switch_vt_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
2475 struct weston_compositor *compositor = data;
2477 weston_launcher_activate_vt(compositor->launcher, key - KEY_F1 + 1);
2482 * Some systems may have multiple DRM devices attached to a single seat. This
2483 * function loops over all devices and tries to find a PCI device with the
2484 * boot_vga sysfs attribute set to 1.
2485 * If no such device is found, the first DRM device reported by udev is used.
2487 static struct udev_device*
2488 find_primary_gpu(struct drm_compositor *ec, const char *seat)
2490 struct udev_enumerate *e;
2491 struct udev_list_entry *entry;
2492 const char *path, *device_seat, *id;
2493 struct udev_device *device, *drm_device, *pci;
2495 e = udev_enumerate_new(ec->udev);
2496 udev_enumerate_add_match_subsystem(e, "drm");
2497 udev_enumerate_add_match_sysname(e, "card[0-9]*");
2499 udev_enumerate_scan_devices(e);
2501 udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
2502 path = udev_list_entry_get_name(entry);
2503 device = udev_device_new_from_syspath(ec->udev, path);
2506 device_seat = udev_device_get_property_value(device, "ID_SEAT");
2508 device_seat = default_seat;
2509 if (strcmp(device_seat, seat)) {
2510 udev_device_unref(device);
2514 pci = udev_device_get_parent_with_subsystem_devtype(device,
2517 id = udev_device_get_sysattr_value(pci, "boot_vga");
2518 if (id && !strcmp(id, "1")) {
2520 udev_device_unref(drm_device);
2521 drm_device = device;
2527 drm_device = device;
2529 udev_device_unref(device);
2532 udev_enumerate_unref(e);
2537 planes_binding(struct weston_seat *seat, uint32_t time, uint32_t key, void *data)
2539 struct drm_compositor *c = data;
2543 c->cursors_are_broken ^= 1;
2546 c->sprites_are_broken ^= 1;
2549 c->sprites_hidden ^= 1;
2556 #ifdef BUILD_VAAPI_RECORDER
2558 recorder_frame_notify(struct wl_listener *listener, void *data)
2560 struct drm_output *output;
2561 struct drm_compositor *c;
2564 output = container_of(listener, struct drm_output,
2565 recorder_frame_listener);
2566 c = (struct drm_compositor *) output->base.compositor;
2568 if (!output->recorder)
2571 ret = drmPrimeHandleToFD(c->drm.fd, output->current->handle,
2574 weston_log("[libva recorder] "
2575 "failed to create prime fd for front buffer\n");
2579 vaapi_recorder_frame(output->recorder, fd, output->current->stride / 4);
2583 create_recorder(struct drm_compositor *c, int width, int height,
2584 const char *filename)
2589 fd = open(c->drm.filename, O_RDWR | O_CLOEXEC);
2593 drmGetMagic(fd, &magic);
2594 drmAuthMagic(c->drm.fd, magic);
2596 return vaapi_recorder_create(fd, width, height, filename);
2600 recorder_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
2603 struct drm_compositor *c = data;
2604 struct drm_output *output;
2607 output = container_of(c->base.output_list.next,
2608 struct drm_output, base.link);
2610 if (!output->recorder) {
2611 width = output->base.current_mode->width;
2612 height = output->base.current_mode->height;
2615 create_recorder(c, width, height, "capture.h264");
2616 if (!output->recorder) {
2617 weston_log("failed to create vaapi recorder\n");
2621 output->base.disable_planes++;
2623 output->recorder_frame_listener.notify = recorder_frame_notify;
2624 wl_signal_add(&output->base.frame_signal,
2625 &output->recorder_frame_listener);
2627 weston_output_schedule_repaint(&output->base);
2629 weston_log("[libva recorder] initialized\n");
2631 vaapi_recorder_destroy(output->recorder);
2632 output->recorder = NULL;
2634 output->base.disable_planes--;
2636 wl_list_remove(&output->recorder_frame_listener.link);
2637 weston_log("[libva recorder] done\n");
2642 recorder_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
2645 weston_log("Compiled without libva support\n");
2650 switch_to_gl_renderer(struct drm_compositor *c)
2652 struct drm_output *output;
2657 weston_log("Switching to GL renderer\n");
2659 c->gbm = create_gbm_device(c->drm.fd);
2661 weston_log("Failed to create gbm device. "
2662 "Aborting renderer switch\n");
2666 wl_list_for_each(output, &c->base.output_list, base.link)
2667 pixman_renderer_output_destroy(&output->base);
2669 c->base.renderer->destroy(&c->base);
2671 if (drm_compositor_create_gl_renderer(c) < 0) {
2672 gbm_device_destroy(c->gbm);
2673 weston_log("Failed to create GL renderer. Quitting.\n");
2674 /* FIXME: we need a function to shutdown cleanly */
2678 wl_list_for_each(output, &c->base.output_list, base.link)
2679 drm_output_init_egl(output, c);
2685 renderer_switch_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
2688 struct drm_compositor *c = (struct drm_compositor *) seat->compositor;
2690 switch_to_gl_renderer(c);
2693 static struct weston_compositor *
2694 drm_compositor_create(struct wl_display *display,
2695 struct drm_parameters *param,
2696 int *argc, char *argv[],
2697 struct weston_config *config)
2699 struct drm_compositor *ec;
2700 struct weston_config_section *section;
2701 struct udev_device *drm_device;
2702 struct wl_event_loop *loop;
2706 weston_log("initializing drm backend\n");
2708 ec = zalloc(sizeof *ec);
2712 /* KMS support for sprites is not complete yet, so disable the
2713 * functionality for now. */
2714 ec->sprites_are_broken = 1;
2716 section = weston_config_get_section(config, "core", NULL, NULL);
2717 if (get_gbm_format_from_section(section,
2718 GBM_FORMAT_XRGB8888,
2722 ec->use_pixman = param->use_pixman;
2724 if (weston_compositor_init(&ec->base, display, argc, argv,
2726 weston_log("%s failed\n", __func__);
2730 /* Check if we run drm-backend using weston-launch */
2731 ec->base.launcher = weston_launcher_connect(&ec->base, param->tty,
2733 if (ec->base.launcher == NULL) {
2734 weston_log("fatal: drm backend should be run "
2735 "using weston-launch binary or as root\n");
2736 goto err_compositor;
2739 ec->udev = udev_new();
2740 if (ec->udev == NULL) {
2741 weston_log("failed to initialize udev context\n");
2745 ec->base.wl_display = display;
2746 ec->session_listener.notify = session_notify;
2747 wl_signal_add(&ec->base.session_signal, &ec->session_listener);
2749 drm_device = find_primary_gpu(ec, param->seat_id);
2750 if (drm_device == NULL) {
2751 weston_log("no drm device found\n");
2754 path = udev_device_get_syspath(drm_device);
2756 if (init_drm(ec, drm_device) < 0) {
2757 weston_log("failed to initialize kms\n");
2761 if (ec->use_pixman) {
2762 if (init_pixman(ec) < 0) {
2763 weston_log("failed to initialize pixman renderer\n");
2767 if (init_egl(ec) < 0) {
2768 weston_log("failed to initialize egl\n");
2773 ec->base.destroy = drm_destroy;
2774 ec->base.restore = drm_restore;
2776 ec->prev_state = WESTON_COMPOSITOR_ACTIVE;
2778 for (key = KEY_F1; key < KEY_F9; key++)
2779 weston_compositor_add_key_binding(&ec->base, key,
2780 MODIFIER_CTRL | MODIFIER_ALT,
2781 switch_vt_binding, ec);
2783 wl_list_init(&ec->sprite_list);
2786 if (create_outputs(ec, param->connector, drm_device) < 0) {
2787 weston_log("failed to create output for %s\n", path);
2791 /* A this point we have some idea of whether or not we have a working
2793 if (!ec->cursors_are_broken)
2794 ec->base.capabilities |= WESTON_CAP_CURSOR_PLANE;
2798 if (udev_input_init(&ec->input,
2799 &ec->base, ec->udev, param->seat_id) < 0) {
2800 weston_log("failed to create input devices\n");
2804 loop = wl_display_get_event_loop(ec->base.wl_display);
2806 wl_event_loop_add_fd(loop, ec->drm.fd,
2807 WL_EVENT_READABLE, on_drm_input, ec);
2809 ec->udev_monitor = udev_monitor_new_from_netlink(ec->udev, "udev");
2810 if (ec->udev_monitor == NULL) {
2811 weston_log("failed to intialize udev monitor\n");
2812 goto err_drm_source;
2814 udev_monitor_filter_add_match_subsystem_devtype(ec->udev_monitor,
2816 ec->udev_drm_source =
2817 wl_event_loop_add_fd(loop,
2818 udev_monitor_get_fd(ec->udev_monitor),
2819 WL_EVENT_READABLE, udev_drm_event, ec);
2821 if (udev_monitor_enable_receiving(ec->udev_monitor) < 0) {
2822 weston_log("failed to enable udev-monitor receiving\n");
2823 goto err_udev_monitor;
2826 udev_device_unref(drm_device);
2828 weston_compositor_add_debug_binding(&ec->base, KEY_O,
2829 planes_binding, ec);
2830 weston_compositor_add_debug_binding(&ec->base, KEY_C,
2831 planes_binding, ec);
2832 weston_compositor_add_debug_binding(&ec->base, KEY_V,
2833 planes_binding, ec);
2834 weston_compositor_add_debug_binding(&ec->base, KEY_Q,
2835 recorder_binding, ec);
2836 weston_compositor_add_debug_binding(&ec->base, KEY_W,
2837 renderer_switch_binding, ec);
2842 wl_event_source_remove(ec->udev_drm_source);
2843 udev_monitor_unref(ec->udev_monitor);
2845 wl_event_source_remove(ec->drm_source);
2846 udev_input_destroy(&ec->input);
2848 ec->base.renderer->destroy(&ec->base);
2849 gbm_device_destroy(ec->gbm);
2850 destroy_sprites(ec);
2852 udev_device_unref(drm_device);
2854 weston_launcher_destroy(ec->base.launcher);
2856 udev_unref(ec->udev);
2858 weston_compositor_shutdown(&ec->base);
2864 WL_EXPORT struct weston_compositor *
2865 backend_init(struct wl_display *display, int *argc, char *argv[],
2866 struct weston_config *config)
2868 struct drm_parameters param = { 0, };
2870 const struct weston_option drm_options[] = {
2871 { WESTON_OPTION_INTEGER, "connector", 0, ¶m.connector },
2872 { WESTON_OPTION_STRING, "seat", 0, ¶m.seat_id },
2873 { WESTON_OPTION_INTEGER, "tty", 0, ¶m.tty },
2874 { WESTON_OPTION_BOOLEAN, "current-mode", 0, &option_current_mode },
2875 { WESTON_OPTION_BOOLEAN, "use-pixman", 0, ¶m.use_pixman },
2878 param.seat_id = default_seat;
2880 parse_options(drm_options, ARRAY_LENGTH(drm_options), argc, argv);
2882 return drm_compositor_create(display, ¶m, argc, argv, config);