meta-wayland/recipes-wlroots/wlroots/wlroots-0.17/backend-drm-add-support-for-libliftoff-v0.5.0.patch

From 8b1628adcf530fd5396f62479175e486126efc7c Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 28 May 2024 00:30:33 +0200
Subject: [PATCH] backend/drm: add support for libliftoff v0.5.0

Don't require libliftoff 0.5.0 just yet: we want to be able to
backport this patch.
---
 backend/drm/libliftoff.c | 5 +++++
 backend/drm/meson.build  | 1 +
 2 files changed, 6 insertions(+)

diff --git a/backend/drm/libliftoff.c b/backend/drm/libliftoff.c
index a3b61540..12dd8fdb 100644
--- a/backend/drm/libliftoff.c
+++ b/backend/drm/libliftoff.c
@@ -7,6 +7,7 @@
 
 #include "backend/drm/drm.h"
 #include "backend/drm/iface.h"
+#include "config.h"
 
 static bool init(struct wlr_drm_backend *drm) {
 	// TODO: lower log level
@@ -436,7 +437,11 @@ static bool crtc_commit(struct wlr_drm_connector *conn,
 		goto out;
 	}
 
+#if HAVE_LIBLIFTOFF_0_5
+	int ret = liftoff_output_apply(crtc->liftoff, req, flags, NULL);
+#else
 	int ret = liftoff_output_apply(crtc->liftoff, req, flags);
+#endif
 	if (ret != 0) {
 		wlr_drm_conn_log(conn, test_only ? WLR_DEBUG : WLR_ERROR,
 			"liftoff_output_apply failed: %s", strerror(-ret));
diff --git a/backend/drm/meson.build b/backend/drm/meson.build
index 5d2f2b1f8c..7c00b0f085 100644
--- a/backend/drm/meson.build
+++ b/backend/drm/meson.build
@@ -48,6 +48,7 @@ wlr_files += files(
 
 if libliftoff.found()
 	wlr_files += files('libliftoff.c')
+	internal_config.set10('HAVE_LIBLIFTOFF_0_5', libliftoff.version().version_compare('>=0.5.0'))
 endif
 
 features += { 'drm-backend': true }
-- 
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