server: add dmabuf feedback

Co-authored-by: Consolatis <35009135+Consolatis@users.noreply.github.com>

diff --git a/include/labwc.h b/include/labwc.h
index 0a6c3a1744d2342e7cf283f55556c6159a65142c..df339ce88b8960ed0c901a250100dedd4b2365fa 100644 (file)
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -225,6 +225,7 @@ struct server {
                struct wlr_backend *backend;
        } headless;
        struct wlr_session *session;
+       struct wlr_linux_dmabuf_v1 *linux_dmabuf;
 
        struct wlr_xdg_shell *xdg_shell;
        struct wlr_layer_shell_v1 *layer_shell;

diff --git a/src/server.c b/src/server.c
index bfe33c3ca95419d26a38c069b0362ef19ae2bcdb..d924194026bc418bc5fe1c7dd3f4d80616e8a661 100644 (file)
--- a/src/server.c
+++ b/src/server.c
@@ -7,6 +7,7 @@
 #include <wlr/backend/headless.h>
 #include <wlr/backend/multi.h>
 #include <wlr/types/wlr_data_control_v1.h>
+#include <wlr/types/wlr_drm.h>
 #include <wlr/types/wlr_export_dmabuf_v1.h>
 #include <wlr/types/wlr_fractional_scale_v1.h>
 #include <wlr/types/wlr_gamma_control_v1.h>
@@ -44,6 +45,7 @@
 
 #define LAB_WLR_COMPOSITOR_VERSION 5
 #define LAB_WLR_FRACTIONAL_SCALE_V1_VERSION 1
+#define LAB_WLR_LINUX_DMABUF_VERSION 4
 
 static struct wlr_compositor *compositor;
 static struct wl_event_source *sighup_source;
@@ -393,7 +395,23 @@ server_init(struct server *server)
        server->renderer_lost.notify = handle_renderer_lost;
        wl_signal_add(&server->renderer->events.lost, &server->renderer_lost);
 
-       wlr_renderer_init_wl_display(server->renderer, server->wl_display);
+       if (!wlr_renderer_init_wl_shm(server->renderer, server->wl_display)) {
+               wlr_log(WLR_ERROR, "Failed to initialize shared memory pool");
+               exit(EXIT_FAILURE);
+       }
+
+       if (wlr_renderer_get_texture_formats(
+                       server->renderer, WLR_BUFFER_CAP_DMABUF)) {
+               if (wlr_renderer_get_drm_fd(server->renderer) >= 0) {
+                       wlr_drm_create(server->wl_display, server->renderer);
+               }
+               server->linux_dmabuf = wlr_linux_dmabuf_v1_create_with_renderer(
+                       server->wl_display,
+                       LAB_WLR_LINUX_DMABUF_VERSION,
+                       server->renderer);
+       } else {
+               wlr_log(WLR_DEBUG, "unable to initialize dmabuf");
+       }
 
        /*
         * Autocreates an allocator for us. The allocator is the bridge between
@@ -502,6 +520,9 @@ server_init(struct server *server)
                wlr_log(WLR_ERROR, "unable to create presentation interface");
                exit(EXIT_FAILURE);
        }
+       if (server->linux_dmabuf) {
+               wlr_scene_set_linux_dmabuf_v1(server->scene, server->linux_dmabuf);
+       }
 
        wlr_export_dmabuf_manager_v1_create(server->wl_display);
        wlr_screencopy_manager_v1_create(server->wl_display);