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//
// Copyright 2019 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.
//
#include "hdPrman/points.h"
#include "hdPrman/context.h"
#include "hdPrman/instancer.h"
#include "hdPrman/material.h"
#include "hdPrman/renderParam.h"
#include "hdPrman/renderPass.h"
#include "hdPrman/rixStrings.h"
#include "pxr/base/gf/matrix4f.h"
#include "pxr/base/gf/matrix4d.h"
#include "Riley.h"
#include "RtParamList.h"
#include "RixShadingUtils.h"
#include "RixPredefinedStrings.hpp"
PXR_NAMESPACE_OPEN_SCOPE
HdPrman_Points::HdPrman_Points(SdfPath const& id,
SdfPath const& instancerId)
: BASE(id, instancerId)
{
}
HdDirtyBits
HdPrman_Points::GetInitialDirtyBitsMask() const
{
// The initial dirty bits control what data is available on the first
// run through _PopulateRtPoints(), so it should list every data item
// that _PopluateRtPoints requests.
int mask = HdChangeTracker::Clean
| HdChangeTracker::DirtyPoints
| HdChangeTracker::DirtyTransform
| HdChangeTracker::DirtyVisibility
| HdChangeTracker::DirtyPrimvar
| HdChangeTracker::DirtyNormals
| HdChangeTracker::DirtyWidths
| HdChangeTracker::DirtyMaterialId
| HdChangeTracker::DirtyInstancer
;
return (HdDirtyBits)mask;
}
RtParamList
HdPrman_Points::_ConvertGeometry(HdPrman_Context *context,
HdSceneDelegate *sceneDelegate,
const SdfPath &id,
RtUString *primType,
std::vector<HdGeomSubset> *geomSubsets)
{
VtValue pointsVal = sceneDelegate->Get(id, HdTokens->points);
VtVec3fArray points = pointsVal.Get<VtVec3fArray>();
RtParamList primvars(
1, /* uniform */
points.size(), /* vertex */
points.size(), /* varying */
points.size() /* facevarying */);
RtPoint3 const *pointsData = (RtPoint3 const*)(&points[0]);
primvars.SetPointDetail(RixStr.k_P, pointsData,
RtDetailType::k_vertex);
*primType = RixStr.k_Ri_Points;
HdPrman_ConvertPrimvars(sceneDelegate, id, primvars, 1,
points.size(), points.size(), points.size());
return primvars;
}
PXR_NAMESPACE_CLOSE_SCOPE