drawItem.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_DRAW_ITEM_H
#define PXR_IMAGING_HD_DRAW_ITEM_H

#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
#include "pxr/imaging/hd/version.h"
#include "pxr/imaging/hd/perfLog.h"
#include "pxr/imaging/hd/drawingCoord.h"
#include "pxr/imaging/hd/rprimSharedData.h"

#include "pxr/imaging/hf/perfLog.h"

#include "pxr/base/gf/matrix4d.h"
#include "pxr/base/gf/bbox3d.h"
#include "pxr/base/gf/vec2i.h"

PXR_NAMESPACE_OPEN_SCOPE


class HdDrawItem
{
public:
    HF_MALLOC_TAG_NEW("new HdDrawItem");

    HD_API
    HdDrawItem(HdRprimSharedData const *sharedData);

    HD_API
    virtual ~HdDrawItem();

    SdfPath const &GetRprimID() const { return _sharedData->rprimID; }

    GfBBox3d const & GetBounds() const { return _sharedData->bounds; }

    GfRange3d const& GetExtent() const {
        return _sharedData->bounds.GetRange();
    }

    GfMatrix4d const& GetMatrix() const {
        return _sharedData->bounds.GetMatrix();
    }

    HdDrawingCoord *GetDrawingCoord() {
        return &_drawingCoord;
    }

    bool GetVisible() const { return _sharedData->visible; }

    TfToken const& GetMaterialTag() const {
        return _materialTag;
    }

    void SetMaterialTag(TfToken const &materialTag) {
        _materialTag = materialTag;
    }

protected:
    HdDrawingCoord const &_GetDrawingCoord() const {
        return _drawingCoord;
    }

    HdRprimSharedData const *_GetSharedData() const {
        return _sharedData;
    }

private:
    // configuration of how to bundle the drawing coordinate for this draw item
    // out of BARs in sharedData
    HdDrawingCoord _drawingCoord;

    // pointer to shared data across reprs, owned by rprim:
    //    bufferArrayRanges, bounds, visibility
    HdRprimSharedData const *_sharedData;

    TfToken _materialTag;
};


PXR_NAMESPACE_CLOSE_SCOPE

#endif //PXR_IMAGING_HD_DRAW_ITEM_H