Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/hydra/mesh.h

@@ -0,0 +1,44 @@
+/* SPDX-FileCopyrightText: 2022 NVIDIA Corporation
+ * SPDX-FileCopyrightText: 2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "hydra/config.h"
+#include "hydra/geometry.h"
+
+#include <pxr/imaging/hd/mesh.h>
+#include <pxr/imaging/hd/meshUtil.h>
+
+HDCYCLES_NAMESPACE_OPEN_SCOPE
+
+class HdCyclesMesh final : public HdCyclesGeometry<PXR_NS::HdMesh, CCL_NS::Mesh> {
+ public:
+  HdCyclesMesh(const PXR_NS::SdfPath &rprimId);
+  ~HdCyclesMesh() override;
+
+  PXR_NS::HdDirtyBits GetInitialDirtyBitsMask() const override;
+
+  void Finalize(PXR_NS::HdRenderParam *renderParam) override;
+
+ private:
+  PXR_NS::HdDirtyBits _PropagateDirtyBits(PXR_NS::HdDirtyBits bits) const override;
+
+  void Populate(PXR_NS::HdSceneDelegate *sceneDelegate,
+                PXR_NS::HdDirtyBits dirtyBits,
+                bool &rebuild) override;
+
+  void PopulatePoints(PXR_NS::HdSceneDelegate *sceneDelegate);
+  void PopulateNormals(PXR_NS::HdSceneDelegate *sceneDelegate);
+
+  void PopulatePrimvars(PXR_NS::HdSceneDelegate *sceneDelegate);
+
+  void PopulateTopology(PXR_NS::HdSceneDelegate *sceneDelegate);
+
+  PXR_NS::HdMeshUtil _util;
+  PXR_NS::HdMeshTopology _topology;
+  PXR_NS::VtIntArray _primitiveParams;
+};
+
+HDCYCLES_NAMESPACE_CLOSE_SCOPE