hydra/session.h

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/* SPDX-FileCopyrightText: 2022 NVIDIA Corporation
 * SPDX-FileCopyrightText: 2022 Blender Foundation
 *
 * SPDX-License-Identifier: Apache-2.0 */
 
#pragma once
 
#include "hydra/config.h"
#include "util/thread.h"
 
#include <pxr/imaging/hd/renderDelegate.h>
 
HDCYCLES_NAMESPACE_OPEN_SCOPE
 
struct SceneLock {
  SceneLock(const PXR_NS::HdRenderParam *renderParam);
  ~SceneLock();
 
  CCL_NS::Scene *scene;
 
 private:
  CCL_NS::thread_scoped_lock sceneLock;
};
 
class HdCyclesSession final : public PXR_NS::HdRenderParam {
 public:
  HdCyclesSession(CCL_NS::Session *session_, const bool keep_nodes);
  HdCyclesSession(const CCL_NS::SessionParams &params);
  ~HdCyclesSession() override;
 
  void UpdateScene();
 
  double GetStageMetersPerUnit() const
  {
    return _stageMetersPerUnit;
  }
 
  void SetStageMetersPerUnit(double stageMetersPerUnit)
  {
    _stageMetersPerUnit = stageMetersPerUnit;
  }
 
  PXR_NS::HdRenderPassAovBinding GetDisplayAovBinding() const
  {
    return _displayAovBinding;
  }
 
  void SetDisplayAovBinding(const PXR_NS::HdRenderPassAovBinding &aovBinding)
  {
    _displayAovBinding = aovBinding;
  }
 
  const PXR_NS::HdRenderPassAovBindingVector &GetAovBindings() const
  {
    return _aovBindings;
  }
 
  void SyncAovBindings(const PXR_NS::HdRenderPassAovBindingVector &aovBindings);
 
  void RemoveAovBinding(PXR_NS::HdRenderBuffer *renderBuffer);
 
  CCL_NS::Session *session;
  bool keep_nodes;
 
 private:
  const bool _ownCyclesSession;
  double _stageMetersPerUnit = 0.01;
  PXR_NS::HdRenderPassAovBindingVector _aovBindings;
  PXR_NS::HdRenderPassAovBinding _displayAovBinding;
};
 
HDCYCLES_NAMESPACE_CLOSE_SCOPE