1 files changed, 32 insertions, 0 deletions
diff --git a/intern/cycles/integrator/guiding.h b/intern/cycles/integrator/guiding.h
new file mode 100644
index 00000000000..b7d7e2fe51e
--- /dev/null
+++ b/intern/cycles/integrator/guiding.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2011-2022 Blender Foundation */
+
+#pragma once
+
+#include "kernel/types.h"
+
+CCL_NAMESPACE_BEGIN
+
+struct GuidingParams {
+  /* The subset of path guiding parameters that can trigger a creation/rebuild
+   * of the guiding field. */
+  bool use = false;
+  bool use_surface_guiding = false;
+  bool use_volume_guiding = false;
+
+  GuidingDistributionType type = GUIDING_TYPE_PARALLAX_AWARE_VMM;
+  int training_samples = 128;
+  bool deterministic = false;
+
+  GuidingParams() = default;
+
+  bool modified(const GuidingParams &other) const
+  {
+    return !((use == other.use) && (use_surface_guiding == other.use_surface_guiding) &&
+             (use_volume_guiding == other.use_volume_guiding) && (type == other.type) &&
+             (training_samples == other.training_samples) &&
+             (deterministic == other.deterministic));
+  }
+};
+
+CCL_NAMESPACE_END