1 files changed, 98 insertions, 0 deletions
diff --git a/intern/cycles/hydra/render_delegate.h b/intern/cycles/hydra/render_delegate.h
new file mode 100644
index 00000000000..9c15c8d5281
--- /dev/null
+++ b/intern/cycles/hydra/render_delegate.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2022 NVIDIA Corporation
+ * Copyright 2022 Blender Foundation */
+
+#pragma once
+
+#include "hydra/config.h"
+
+#include <pxr/imaging/hd/renderDelegate.h>
+#include <pxr/imaging/hgi/hgi.h>
+
+HDCYCLES_NAMESPACE_OPEN_SCOPE
+
+class HdCyclesDelegate final : public PXR_NS::HdRenderDelegate {
+ public:
+  HdCyclesDelegate(const PXR_NS::HdRenderSettingsMap &settingsMap,
+                   CCL_NS::Session *session_ = nullptr);
+  ~HdCyclesDelegate() override;
+
+  void SetDrivers(const PXR_NS::HdDriverVector &drivers) override;
+
+  bool IsDisplaySupported() const;
+
+  PXR_NS::Hgi *GetHgi() const
+  {
+    return _hgi;
+  }
+
+  const PXR_NS::TfTokenVector &GetSupportedRprimTypes() const override;
+  const PXR_NS::TfTokenVector &GetSupportedSprimTypes() const override;
+  const PXR_NS::TfTokenVector &GetSupportedBprimTypes() const override;
+
+  PXR_NS::HdRenderParam *GetRenderParam() const override;
+
+  PXR_NS::HdResourceRegistrySharedPtr GetResourceRegistry() const override;
+
+  PXR_NS::HdRenderSettingDescriptorList GetRenderSettingDescriptors() const override;
+
+  bool IsPauseSupported() const override;
+
+  bool Pause() override;
+  bool Resume() override;
+
+  PXR_NS::HdRenderPassSharedPtr CreateRenderPass(
+      PXR_NS::HdRenderIndex *index, const PXR_NS::HdRprimCollection &collection) override;
+
+  PXR_NS::HdInstancer *CreateInstancer(PXR_NS::HdSceneDelegate *delegate,
+                                       const PXR_NS::SdfPath &id
+#if PXR_VERSION < 2102
+                                       ,
+                                       const PXR_NS::SdfPath &instancerId
+#endif
+                                       ) override;
+  void DestroyInstancer(PXR_NS::HdInstancer *instancer) override;
+
+  PXR_NS::HdRprim *CreateRprim(const PXR_NS::TfToken &typeId,
+                               const PXR_NS::SdfPath &rprimId
+#if PXR_VERSION < 2102
+                               ,
+                               const PXR_NS::SdfPath &instancerId
+#endif
+                               ) override;
+  void DestroyRprim(PXR_NS::HdRprim *rPrim) override;
+
+  PXR_NS::HdSprim *CreateSprim(const PXR_NS::TfToken &typeId,
+                               const PXR_NS::SdfPath &sprimId) override;
+  PXR_NS::HdSprim *CreateFallbackSprim(const PXR_NS::TfToken &typeId) override;
+  void DestroySprim(PXR_NS::HdSprim *sPrim) override;
+
+  PXR_NS::HdBprim *CreateBprim(const PXR_NS::TfToken &typeId,
+                               const PXR_NS::SdfPath &bprimId) override;
+  PXR_NS::HdBprim *CreateFallbackBprim(const PXR_NS::TfToken &typeId) override;
+  void DestroyBprim(PXR_NS::HdBprim *bPrim) override;
+
+  void CommitResources(PXR_NS::HdChangeTracker *tracker) override;
+
+  PXR_NS::TfToken GetMaterialBindingPurpose() const override;
+
+#if HD_API_VERSION < 41
+  PXR_NS::TfToken GetMaterialNetworkSelector() const override;
+#else
+  PXR_NS::TfTokenVector GetMaterialRenderContexts() const override;
+#endif
+
+  PXR_NS::VtDictionary GetRenderStats() const override;
+
+  PXR_NS::HdAovDescriptor GetDefaultAovDescriptor(const PXR_NS::TfToken &name) const override;
+
+  void SetRenderSetting(const PXR_NS::TfToken &key, const PXR_NS::VtValue &value) override;
+
+  PXR_NS::VtValue GetRenderSetting(const PXR_NS::TfToken &key) const override;
+
+ private:
+  PXR_NS::Hgi *_hgi = nullptr;
+  std::unique_ptr<HdCyclesSession> _renderParam;
+};
+
+HDCYCLES_NAMESPACE_CLOSE_SCOPE