drawItem.h

//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache 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