1 files changed, 66 insertions, 0 deletions
diff --git a/intern/cycles/device/metal/bvh.h b/intern/cycles/device/metal/bvh.h
new file mode 100644
index 00000000000..cbc5ca7d2c3
--- /dev/null
+++ b/intern/cycles/device/metal/bvh.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2021 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifdef WITH_METAL
+
+#  include "bvh/bvh.h"
+#  include "bvh/params.h"
+#  include "device/memory.h"
+
+#  include <Metal/Metal.h>
+
+CCL_NAMESPACE_BEGIN
+
+class BVHMetal : public BVH {
+ public:
+  API_AVAILABLE(macos(11.0))
+  id<MTLAccelerationStructure> accel_struct = nil;
+  bool accel_struct_building = false;
+
+  API_AVAILABLE(macos(11.0))
+  vector<id<MTLAccelerationStructure>> blas_array;
+
+  bool motion_blur = false;
+
+  Stats &stats;
+
+  bool build(Progress &progress, id<MTLDevice> device, id<MTLCommandQueue> queue, bool refit);
+
+  BVHMetal(const BVHParams &params,
+           const vector<Geometry *> &geometry,
+           const vector<Object *> &objects,
+           Device *device);
+  virtual ~BVHMetal();
+
+  bool build_BLAS(Progress &progress, id<MTLDevice> device, id<MTLCommandQueue> queue, bool refit);
+  bool build_BLAS_mesh(Progress &progress,
+                       id<MTLDevice> device,
+                       id<MTLCommandQueue> queue,
+                       Geometry *const geom,
+                       bool refit);
+  bool build_BLAS_hair(Progress &progress,
+                       id<MTLDevice> device,
+                       id<MTLCommandQueue> queue,
+                       Geometry *const geom,
+                       bool refit);
+  bool build_TLAS(Progress &progress, id<MTLDevice> device, id<MTLCommandQueue> queue, bool refit);
+};
+
+CCL_NAMESPACE_END
+
+#endif /* WITH_METAL */