engine.h

//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_ENGINE_H
#define PXR_IMAGING_HD_ENGINE_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/version.h"
 
#include "pxr/imaging/hd/task.h"
 
#include <memory>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdRenderIndex;
class HdRenderDelegate;
class HdResourceRegistry;
 
using HdRenderPassSharedPtr = std::shared_ptr<class HdRenderPass>;
using HdRenderPassStateSharedPtr = std::shared_ptr<class HdRenderPassState>;
 
class HdEngine {
public:
    HD_API
    HdEngine();
    HD_API
    virtual ~HdEngine();
 
 
    HD_API
    void SetTaskContextData(const TfToken &id, const VtValue &data);
 
    HD_API
    bool GetTaskContextData(const TfToken &id, VtValue *data) const;
 
    HD_API
    void RemoveTaskContextData(const TfToken &id);
 
    HD_API
    void ClearTaskContextData();
 
 
    HD_API
    void Execute(HdRenderIndex *index,
                 HdTaskSharedPtrVector *tasks);
 
 
    HD_API
    void Execute(HdRenderIndex * index,
                 const SdfPathVector &taskPaths);
 
    HD_API
    bool AreTasksConverged(HdRenderIndex * index,
                           const SdfPathVector &taskPaths);
 
private:
    HdTaskContext _taskContext;
};
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif //PXR_IMAGING_HD_ENGINE_H