intern/cycles/hydra/session.h


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/* SPDX-License-Identifier: Apache-2.0
 * Copyright 2022 NVIDIA Corporation
 * Copyright 2022 Blender Foundation */

#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_);
  HdCyclesSession(const CCL_NS::SessionParams &params);
  ~HdCyclesSession() override;

  void UpdateScene();

  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;

 private:
  const bool _ownCyclesSession;
  PXR_NS::HdRenderPassAovBindingVector _aovBindings;
  PXR_NS::HdRenderPassAovBinding _displayAovBinding;
};

HDCYCLES_NAMESPACE_CLOSE_SCOPE