From 2fb8c6805a982c3b617abc60459c6f40c7a9230c Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Thu, 25 Nov 2021 18:22:20 +0100
Subject: Fix build error with experimental features after recent release cycle
 bump

Hair, pointcloud and simulation datablock types should be disabled in the
beta cycles already like other experimental features.
---
 CMakeLists.txt                     |  3 ++-
 intern/cycles/blender/curves.cpp   | 10 ++++++++--
 intern/cycles/blender/geometry.cpp |  8 ++++++++
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2e2d02dcde..fabac5030c6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -494,7 +494,8 @@ endif()
 
 # This should be turned off when Blender enter beta/rc/release
 if("${BLENDER_VERSION_CYCLE}" STREQUAL "release" OR
-   "${BLENDER_VERSION_CYCLE}" STREQUAL "rc")
+   "${BLENDER_VERSION_CYCLE}" STREQUAL "rc" OR
+   "${BLENDER_VERSION_CYCLE}" STREQUAL "beta")
   set(WITH_EXPERIMENTAL_FEATURES OFF)
 else()
   set(WITH_EXPERIMENTAL_FEATURES ON)
diff --git a/intern/cycles/blender/curves.cpp b/intern/cycles/blender/curves.cpp
index ffe0c553738..a704b803cb0 100644
--- a/intern/cycles/blender/curves.cpp
+++ b/intern/cycles/blender/curves.cpp
@@ -819,11 +819,14 @@ void BlenderSync::sync_hair(BL::Depsgraph b_depsgraph, BObjectInfo &b_ob_info, H
   new_hair.set_used_shaders(used_shaders);
 
   if (view_layer.use_hair) {
+#ifdef WITH_HAIR_NODES
     if (b_ob_info.object_data.is_a(&RNA_Hair)) {
       /* Hair object. */
       sync_hair(&new_hair, b_ob_info, false);
     }
-    else {
+    else
+#endif
+    {
       /* Particle hair. */
       bool need_undeformed = new_hair.need_attribute(scene, ATTR_STD_GENERATED);
       BL::Mesh b_mesh = object_to_mesh(
@@ -870,12 +873,15 @@ void BlenderSync::sync_hair_motion(BL::Depsgraph b_depsgraph,
 
   /* Export deformed coordinates. */
   if (ccl::BKE_object_is_deform_modified(b_ob_info, b_scene, preview)) {
+#ifdef WITH_HAIR_NODES
     if (b_ob_info.object_data.is_a(&RNA_Hair)) {
       /* Hair object. */
       sync_hair(hair, b_ob_info, true, motion_step);
       return;
     }
-    else {
+    else
+#endif
+    {
       /* Particle hair. */
       BL::Mesh b_mesh = object_to_mesh(
           b_data, b_ob_info, b_depsgraph, false, Mesh::SUBDIVISION_NONE);
diff --git a/intern/cycles/blender/geometry.cpp b/intern/cycles/blender/geometry.cpp
index 479e76f68bc..a5f36a3a17d 100644
--- a/intern/cycles/blender/geometry.cpp
+++ b/intern/cycles/blender/geometry.cpp
@@ -31,7 +31,11 @@ CCL_NAMESPACE_BEGIN
 
 static Geometry::Type determine_geom_type(BObjectInfo &b_ob_info, bool use_particle_hair)
 {
+#ifdef WITH_HAIR_NODES
   if (b_ob_info.object_data.is_a(&RNA_Hair) || use_particle_hair) {
+#else
+  if (use_particle_hair) {
+#endif
     return Geometry::HAIR;
   }
 
@@ -215,7 +219,11 @@ void BlenderSync::sync_geometry_motion(BL::Depsgraph &b_depsgraph,
     if (progress.get_cancel())
       return;
 
+#ifdef WITH_HAIR_NODES
     if (b_ob_info.object_data.is_a(&RNA_Hair) || use_particle_hair) {
+#else
+    if (use_particle_hair) {
+#endif
       Hair *hair = static_cast<Hair *>(geom);
       sync_hair_motion(b_depsgraph, b_ob_info, hair, motion_step);
     }
-- 
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