Hydrogent: added HnBuffer

Hydrogent/CMakeLists.txt

@@ -6,6 +6,7 @@ set(SOURCE
     src/HnMaterial.cpp
     src/HnMaterialNetwork.cpp
     src/HnMesh.cpp
+    src/HnBuffer.cpp
     src/HnRenderBuffer.cpp
     src/HnRenderDelegate.cpp
     src/HnRendererImpl.cpp
@@ -29,6 +30,7 @@ set(INCLUDE
     include/HnMaterial.hpp
     include/HnMaterialNetwork.hpp
     include/HnMesh.hpp
+    include/HnBuffer.hpp
     include/HnRenderBuffer.hpp
     include/HnRenderDelegate.hpp
     include/HnRendererImpl.hpp

Hydrogent/include/HnBuffer.hpp

@@ -0,0 +1,58 @@
+/*
+ *  Copyright 2023 Diligent Graphics LLC
+ *
+ *  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.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence),
+ *  contract, or otherwise, unless required by applicable law (such as deliberate
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental,
+ *  or consequential damages of any character arising as a result of this License or
+ *  out of the use or inability to use the software (including but not limited to damages
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and
+ *  all other commercial damages or losses), even if such Contributor has been advised
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#include "pxr/imaging/hd/bprim.h"
+
+#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/Buffer.h"
+#include "../../../DiligentCore/Common/interface/RefCntAutoPtr.hpp"
+
+namespace Diligent
+{
+
+namespace USD
+{
+
+/// Buffer implementation in Hydrogent.
+class HnBuffer final : public pxr::HdBprim
+{
+public:
+    HnBuffer(const pxr::SdfPath& Id, IBuffer* pBuffer);
+    ~HnBuffer();
+
+    IBuffer* GetResource() const
+    {
+        return m_pBuffer;
+    }
+
+private:
+    RefCntAutoPtr<IBuffer> m_pBuffer;
+};
+
+} // namespace USD
+
+} // namespace Diligent

Hydrogent/src/HnBuffer.cpp

@@ -0,0 +1,47 @@
+/*
+ *  Copyright 2023 Diligent Graphics LLC
+ *
+ *  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.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence),
+ *  contract, or otherwise, unless required by applicable law (such as deliberate
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental,
+ *  or consequential damages of any character arising as a result of this License or
+ *  out of the use or inability to use the software (including but not limited to damages
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and
+ *  all other commercial damages or losses), even if such Contributor has been advised
+ *  of the possibility of such damages.
+ */
+
+#include "HnBuffer.hpp"
+
+namespace Diligent
+{
+
+namespace USD
+{
+
+HnBuffer::HnBuffer(const pxr::SdfPath& Id, IBuffer* pBuffer) :
+    pxr::HdBprim{Id},
+    m_pBuffer{pBuffer}
+{
+}
+
+HnBuffer::~HnBuffer()
+{
+}
+
+} // namespace USD
+
+} // namespace Diligent