1 files changed, 40 insertions, 0 deletions
diff --git a/intern/cycles/kernel/integrator/displacement_shader.h b/intern/cycles/kernel/integrator/displacement_shader.h
new file mode 100644
index 00000000000..839dfe244ac
--- /dev/null
+++ b/intern/cycles/kernel/integrator/displacement_shader.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2011-2022 Blender Foundation */
+
+/* Functions to evaluate displacement shader. */
+
+#pragma once
+
+#ifdef __SVM__
+#  include "kernel/svm/svm.h"
+#endif
+#ifdef __OSL__
+#  include "kernel/osl/osl.h"
+#endif
+
+CCL_NAMESPACE_BEGIN
+
+template<typename ConstIntegratorGenericState>
+ccl_device void displacement_shader_eval(KernelGlobals kg,
+                                         ConstIntegratorGenericState state,
+                                         ccl_private ShaderData *sd)
+{
+  sd->num_closure = 0;
+  sd->num_closure_left = 0;
+
+  /* this will modify sd->P */
+#ifdef __OSL__
+  if (kg->osl) {
+    OSLShader::eval_displacement(kg, state, sd);
+  }
+  else
+#endif
+  {
+#ifdef __SVM__
+    svm_eval_nodes<KERNEL_FEATURE_NODE_MASK_DISPLACEMENT, SHADER_TYPE_DISPLACEMENT>(
+        kg, state, sd, NULL, 0);
+#endif
+  }
+}
+
+CCL_NAMESPACE_END