From a36f8ad162f8ee75fd72eadb7147960ed4a04680 Mon Sep 17 00:00:00 2001
From: Brad Smith <brad@comstyle.com>
Date: Sun, 28 Jul 2024 23:14:45 -0400
Subject: [PATCH] build: detect VT_GETMODE on OpenBSD

---
 meson.build            | 4 +++-
 video/out/drm_common.c | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/meson.build b/meson.build
index b66efb08db..25cf832c6a 100644
--- a/meson.build
+++ b/meson.build
@@ -539,6 +539,8 @@ features += {'vt.h': cc.has_header_symbol('sys/vt.h', 'VT_GETMODE')}
 
 features += {'consio.h': not features['vt.h'] and cc.has_header_symbol('sys/consio.h', 'VT_GETMODE')}
 
+features += {'wsdisplay-usl-io.h': cc.has_header_symbol('dev/wscons/wsdisplay_usl_io.h', 'VT_GETMODE', prefix: '#include <sys/types.h>')}
+
 # macOS's pthread_setname_np is a special snowflake and differs from literally every other platform.
 features += {'mac-thread-name': darwin}
 
@@ -926,7 +928,7 @@ if features['direct3d']
 endif
 
 drm = dependency('libdrm', version: '>= 2.4.105', required: get_option('drm'))
-features += {'drm': drm.found() and (features['vt.h'] or features['consio.h'])}
+features += {'drm': drm.found() and (features['vt.h'] or features['consio.h'] or features['wsdisplay-usl-io.h'])}
 if features['drm']
     dependencies += drm
     sources += files('video/drmprime.c',
diff --git a/video/out/drm_common.c b/video/out/drm_common.c
index 0f6b5595ec..5961df52f2 100644
--- a/video/out/drm_common.c
+++ b/video/out/drm_common.c
@@ -31,8 +31,10 @@
 
 #if HAVE_CONSIO_H
 #include <sys/consio.h>
-#else
+#elif HAVE_VT_H
 #include <sys/vt.h>
+#elif HAVE_WSDISPLAY_USL_IO_H
+#include <dev/wscons/wsdisplay_usl_io.h>
 #endif
 
 #include "drm_atomic.h"