wayland: Switch to stable linux-dmabuf protocol

It is the first protocol to keep the `-vN-` despite being declared
stable.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3450>

src/meson.build

@@ -1060,7 +1060,7 @@ if have_wayland
     ['gtk-shell', 'private', ],
     ['idle-inhibit', 'unstable', 'v1', ],
     ['keyboard-shortcuts-inhibit', 'unstable', 'v1', ],
-    ['linux-dmabuf', 'unstable', 'v1', ],
+    ['linux-dmabuf', 'stable', 'v1', ],
     ['pointer-constraints', 'unstable', 'v1', ],
     ['pointer-gestures', 'unstable', 'v1', ],
     ['presentation-time', 'stable', ],
@@ -1098,7 +1098,12 @@ if have_wayland
     protocol_type = p.get(1)
 
     if protocol_type == 'stable'
+      if p.length() == 3
+        protocol_version = p.get(2)
+        output_base = '@0@-@1@'.format(protocol_name, protocol_version)
+      else
         output_base = protocol_name
+      endif
       input = protocols_dir / protocol_type / protocol_name / '@0@.xml'.format(output_base)
     elif protocol_type == 'staging'
       protocol_version = p.get(2)

src/tests/wayland-test-clients/wayland-test-client-utils.h

@@ -7,7 +7,7 @@
 #include <wayland-client.h>
 
 #include "fractional-scale-v1-client-protocol.h"
-#include "linux-dmabuf-unstable-v1-client-protocol.h"
+#include "linux-dmabuf-v1-client-protocol.h"
 #include "single-pixel-buffer-v1-client-protocol.h"
 #include "test-driver-client-protocol.h"
 #include "viewporter-client-protocol.h"

src/wayland/meta-wayland-dma-buf.c

@@ -65,7 +65,7 @@
 #include "backends/native/meta-renderer-native.h"
 #endif
 
-#include "linux-dmabuf-unstable-v1-server-protocol.h"
+#include "linux-dmabuf-v1-server-protocol.h"
 
 #define META_WAYLAND_DMA_BUF_MAX_FDS 4