Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/integrator/guiding.h

@@ -0,0 +1,37 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#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;
+  GuidingDirectionalSamplingType sampling_type = GUIDING_DIRECTIONAL_SAMPLING_TYPE_PRODUCT_MIS;
+  float roughness_threshold = 0.05f;
+  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) &&
+             (sampling_type == other.sampling_type) &&
+             (training_samples == other.training_samples) &&
+             (roughness_threshold == other.roughness_threshold) &&
+             (deterministic == other.deterministic));
+  }
+};
+
+CCL_NAMESPACE_END