media-libs/libva-intel-driver: Add patch to fix wayland

Closes: https://bugs.gentoo.org/941253
Signed-off-by: Matt Turner <mattst88@gentoo.org>

media-libs/libva-intel-driver/files/2.4.1-Make-wl_drm-optional.patch

@@ -0,0 +1,52 @@
+https://bugs.gentoo.org/941253
+https://github.com/intel/intel-vaapi-driver/pull/566
+
+From 1c3c43371d45e1d072faa9a5cd850c1722a06569 Mon Sep 17 00:00:00 2001
+From: Simon Ser <contact@emersion.fr>
+Date: Mon, 11 Mar 2024 23:48:17 +0100
+Subject: [PATCH] Make wl_drm optional
+
+Don't error out when vtable->wl_interface is NULL.
+
+Fetching wl_drm_interface from libEGL used to work but doesn't
+anymore: it's now a private symbol (wayland-scanner private-code).
+---
+ src/i965_output_wayland.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/i965_output_wayland.c b/src/i965_output_wayland.c
+index a6120b7..a002cae 100644
+--- a/src/i965_output_wayland.c
++++ b/src/i965_output_wayland.c
+@@ -154,7 +154,7 @@ registry_handle_global(
+     struct va_wl_output * const wl_output = i965->wl_output;
+     struct wl_vtable * const wl_vtable = &wl_output->vtable;
+ 
+-    if (strcmp(interface, "wl_drm") == 0) {
++    if (strcmp(interface, "wl_drm") == 0 && wl_vtable->drm_interface) {
+         wl_output->wl_drm_name = name;
+         wl_output->wl_drm = registry_bind(wl_vtable, wl_output->wl_registry,
+                                           name, wl_vtable->drm_interface,
+@@ -472,6 +472,7 @@ i965_output_wayland_init(VADriverContextP ctx)
+ 
+     wl_vtable = &i965->wl_output->vtable;
+ 
++    /* drm_interface is optional */
+     if (vtable->wl_interface)
+         wl_vtable->drm_interface = vtable->wl_interface;
+     else {
+@@ -483,9 +484,8 @@ i965_output_wayland_init(VADriverContextP ctx)
+         }
+ 
+         dso_handle = i965->wl_output->libegl_handle;
+-        if (!dso_get_symbols(dso_handle, wl_vtable, sizeof(*wl_vtable),
+-                             libegl_symbols))
+-            goto error;
++        dso_get_symbols(dso_handle, wl_vtable, sizeof(*wl_vtable),
++                        libegl_symbols);
+     }
+ 
+     i965->wl_output->libwl_client_handle = dso_open(LIBWAYLAND_CLIENT_NAME);
+-- 
+2.45.2
+

media-libs/libva-intel-driver/libva-intel-driver-2.4.1-r5.ebuild

@@ -40,6 +40,10 @@ RDEPEND="
 DEPEND="${RDEPEND}"
 BDEPEND="virtual/pkgconfig"
 
+PATCHES=(
+	"${FILESDIR}"/${PV}-Make-wl_drm-optional.patch
+)
+
 src_prepare() {
 	eapply_user
 	sed -e 's/intel-gen4asm/\0diSaBlEd/g' -i configure.ac || die