Add Chromium-only Blender WebEngine parity work

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

@@ -0,0 +1,46 @@
+/* SPDX-FileCopyrightText: 2022 NVIDIA Corporation
+ * SPDX-FileCopyrightText: 2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#pragma once
+
+#include "hydra/config.h"
+
+#include <pxr/base/gf/camera.h>
+#include <pxr/imaging/hd/camera.h>
+#include <pxr/imaging/hd/timeSampleArray.h>
+
+HDCYCLES_NAMESPACE_OPEN_SCOPE
+
+class HdCyclesCamera final : public PXR_NS::HdCamera {
+ public:
+  HdCyclesCamera(const PXR_NS::SdfPath &sprimId);
+  ~HdCyclesCamera() override;
+
+  void ApplyCameraSettings(PXR_NS::HdRenderParam *renderParam, CCL_NS::Camera *cam) const;
+
+  static void ApplyCameraSettings(PXR_NS::HdRenderParam *renderParam,
+                                  const PXR_NS::GfCamera &dataUnconformedWindow,
+                                  PXR_NS::CameraUtilConformWindowPolicy windowPolicy,
+                                  CCL_NS::Camera *cam);
+  static void ApplyCameraSettings(PXR_NS::HdRenderParam *renderParam,
+                                  const PXR_NS::GfMatrix4d &worldToViewMatrix,
+                                  const PXR_NS::GfMatrix4d &projectionMatrix,
+                                  const std::vector<PXR_NS::GfVec4d> &clipPlanes,
+                                  CCL_NS::Camera *cam);
+
+  PXR_NS::HdDirtyBits GetInitialDirtyBitsMask() const override;
+
+  void Sync(PXR_NS::HdSceneDelegate *sceneDelegate,
+            PXR_NS::HdRenderParam *renderParam,
+            PXR_NS::HdDirtyBits *dirtyBits) override;
+
+  void Finalize(PXR_NS::HdRenderParam *renderParam) override;
+
+ private:
+  PXR_NS::GfCamera _data;
+  PXR_NS::HdTimeSampleArray<PXR_NS::GfMatrix4d, 2> _transformSamples;
+};
+
+HDCYCLES_NAMESPACE_CLOSE_SCOPE