1 files changed, 60 insertions, 0 deletions
diff --git a/thirdparty/embree/kernels/common/builder.h b/thirdparty/embree/kernels/common/builder.h
new file mode 100644
index 0000000000..07fe7b069b
--- /dev/null
+++ b/thirdparty/embree/kernels/common/builder.h
@@ -0,0 +1,60 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#pragma once
+
+#include "default.h"
+#include "accel.h"
+
+namespace embree
+{
+#define MODE_HIGH_QUALITY (1<<8)
+
+  /*! virtual interface for all hierarchy builders */
+  class Builder : public RefCount {
+  public:
+
+    static const size_t DEFAULT_SINGLE_THREAD_THRESHOLD = 1024;
+
+    /*! initiates the hierarchy builder */
+    virtual void build() = 0;
+
+    /*! notifies the builder about the deletion of some geometry */
+    virtual void deleteGeometry(size_t geomID) {};
+
+    /*! clears internal builder state */
+    virtual void clear() = 0;
+  };
+
+  /*! virtual interface for progress monitor class */
+  struct BuildProgressMonitor {
+    virtual void operator() (size_t dn) const = 0;
+  };
+
+  /*! build the progress monitor interface from a closure */
+  template<typename Closure>
+    struct ProgressMonitorClosure : BuildProgressMonitor
+  {
+  public:
+    ProgressMonitorClosure (const Closure& closure) : closure(closure) {}
+    void operator() (size_t dn) const { closure(dn); }
+  private:
+    const Closure closure;
+  };
+  template<typename Closure> __forceinline const ProgressMonitorClosure<Closure> BuildProgressMonitorFromClosure(const Closure& closure) {
+    return ProgressMonitorClosure<Closure>(closure);
+  }
+
+  struct LineSegments;
+  struct TriangleMesh;
+  struct QuadMesh;
+  struct UserGeometry;
+
+  class Scene;
+
+  typedef void (*createLineSegmentsAccelTy)(Scene* scene, LineSegments* mesh, AccelData*& accel, Builder*& builder);
+  typedef void (*createTriangleMeshAccelTy)(Scene* scene, unsigned int geomID, AccelData*& accel, Builder*& builder);
+  typedef void (*createQuadMeshAccelTy)(Scene* scene, unsigned int geomID, AccelData*& accel, Builder*& builder);
+  typedef void (*createUserGeometryAccelTy)(Scene* scene, unsigned int geomID, AccelData*& accel, Builder*& builder);
+
+}