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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
backend/wayland: implement get_drm_fd
This commit is contained in:
parent
ad3a455db9
commit
400f4e7f27
2 changed files with 30 additions and 10 deletions
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@ -295,6 +295,7 @@ static void backend_destroy(struct wlr_backend *backend) {
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wlr_renderer_destroy(wl->renderer);
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wlr_allocator_destroy(wl->allocator);
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close(wl->drm_fd);
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wlr_drm_format_set_finish(&wl->linux_dmabuf_v1_formats);
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@ -332,10 +333,16 @@ static struct wlr_renderer *backend_get_renderer(struct wlr_backend *backend) {
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return wl->renderer;
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}
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static int backend_get_drm_fd(struct wlr_backend *backend) {
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struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
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return wl->drm_fd;
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}
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static struct wlr_backend_impl backend_impl = {
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.start = backend_start,
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.destroy = backend_destroy,
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.get_renderer = backend_get_renderer,
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.get_drm_fd = backend_get_drm_fd,
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};
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bool wlr_backend_is_wl(struct wlr_backend *b) {
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@ -409,18 +416,24 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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wl_event_source_check(wl->remote_display_src);
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wlr_log(WLR_DEBUG, "Opening DRM render node %s", wl->drm_render_name);
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int drm_fd = open(wl->drm_render_name, O_RDWR | O_NONBLOCK | O_CLOEXEC);
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if (drm_fd < 0) {
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wl->drm_fd = open(wl->drm_render_name, O_RDWR | O_NONBLOCK | O_CLOEXEC);
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if (wl->drm_fd < 0) {
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wlr_log_errno(WLR_ERROR, "Failed to open DRM render node %s",
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wl->drm_render_name);
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goto error_registry;
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goto error_remote_display_src;
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}
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int drm_fd = fcntl(wl->drm_fd, F_DUPFD_CLOEXEC, 0);
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if (drm_fd < 0) {
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wlr_log(WLR_ERROR, "fcntl(F_DUPFD_CLOEXEC) failed");
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goto error_drm_fd;
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}
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struct wlr_gbm_allocator *gbm_alloc = wlr_gbm_allocator_create(drm_fd);
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if (gbm_alloc == NULL) {
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wlr_log(WLR_ERROR, "Failed to create GBM allocator");
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close(drm_fd);
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goto error_registry;
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goto error_drm_fd;
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}
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wl->allocator = &gbm_alloc->base;
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@ -428,7 +441,7 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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gbm_alloc->gbm_device);
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if (wl->renderer == NULL) {
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wlr_log(WLR_ERROR, "Failed to create renderer");
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goto error_registry;
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goto error_allocator;
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}
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uint32_t fmt = DRM_FORMAT_ARGB8888;
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@ -437,27 +450,27 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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if (remote_format == NULL) {
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wlr_log(WLR_ERROR, "Remote compositor doesn't support format "
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"0x%"PRIX32" via linux-dmabuf-unstable-v1", fmt);
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goto error_event;
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goto error_renderer;
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}
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const struct wlr_drm_format_set *render_formats =
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wlr_renderer_get_dmabuf_render_formats(wl->renderer);
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if (render_formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get available DMA-BUF formats from renderer");
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return false;
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goto error_renderer;
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}
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const struct wlr_drm_format *render_format =
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wlr_drm_format_set_get(render_formats, fmt);
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if (render_format == NULL) {
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wlr_log(WLR_ERROR, "Renderer doesn't support DRM format 0x%"PRIX32, fmt);
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return false;
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goto error_renderer;
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}
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wl->format = wlr_drm_format_intersect(remote_format, render_format);
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if (wl->format == NULL) {
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wlr_log(WLR_ERROR, "Failed to intersect remote and render modifiers "
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"for format 0x%"PRIX32, fmt);
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return false;
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goto error_renderer;
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}
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wl->local_display_destroy.notify = handle_display_destroy;
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@ -465,7 +478,13 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
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return &wl->backend;
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error_event:
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error_renderer:
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wlr_renderer_destroy(wl->renderer);
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error_allocator:
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wlr_allocator_destroy(wl->allocator);
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error_drm_fd:
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close(wl->drm_fd);
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error_remote_display_src:
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wl_event_source_remove(wl->remote_display_src);
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error_registry:
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free(wl->drm_render_name);
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@ -20,6 +20,7 @@ struct wlr_wl_backend {
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struct wl_display *local_display;
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struct wl_list devices;
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struct wl_list outputs;
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int drm_fd;
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struct wlr_renderer *renderer;
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struct wlr_drm_format *format;
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struct wlr_allocator *allocator;
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