1 files changed, 44 insertions, 0 deletions
diff --git a/intern/cycles/hydra/config.h b/intern/cycles/hydra/config.h
new file mode 100644
index 00000000000..034be302d9f
--- /dev/null
+++ b/intern/cycles/hydra/config.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2022 NVIDIA Corporation
+ * Copyright 2022 Blender Foundation */
+
+#pragma once
+
+#include <pxr/pxr.h>
+
+#define CCL_NS ccl
+#define CCL_NAMESPACE_USING_DIRECTIVE using namespace CCL_NS;
+
+#define HD_CYCLES_NS HdCycles
+#define HDCYCLES_NAMESPACE_OPEN_SCOPE \
+  namespace HD_CYCLES_NS { \
+  CCL_NAMESPACE_USING_DIRECTIVE; \
+  PXR_NAMESPACE_USING_DIRECTIVE;
+#define HDCYCLES_NAMESPACE_CLOSE_SCOPE }
+
+namespace HD_CYCLES_NS {
+class HdCyclesCamera;
+class HdCyclesDelegate;
+class HdCyclesSession;
+class HdCyclesRenderBuffer;
+}  // namespace HD_CYCLES_NS
+
+namespace CCL_NS {
+class AttributeSet;
+class BufferParams;
+class Camera;
+class Geometry;
+class Hair;
+class Light;
+class Mesh;
+class Object;
+class ParticleSystem;
+class Pass;
+class PointCloud;
+class Scene;
+class Session;
+class SessionParams;
+class Shader;
+class ShaderGraph;
+class Volume;
+}  // namespace CCL_NS