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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
// ospray
#include "Mesh.h"
#include "common/DGEnum.h"
#ifndef OSPRAY_TARGET_SYCL
// ispc exports
#include "geometry/Mesh_ispc.h"
#else
namespace ispc {
void *QuadMesh_postIntersect_addr();
void *TriangleMesh_postIntersect_addr();
void *Mesh_sampleArea_addr();
void *Mesh_getAreas_addr();
} // namespace ispc
#endif
// std
#include <numeric>
namespace ospray {
Mesh::Mesh(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device, FFG_NONE)
{
getSh()->super.getAreas =
reinterpret_cast<ispc::Geometry_GetAreasFct>(ispc::Mesh_getAreas_addr());
getSh()->super.sampleArea = reinterpret_cast<ispc::Geometry_SampleAreaFct>(
ispc::Mesh_sampleArea_addr());
}
std::string Mesh::toString() const
{
return "ospray::Mesh";
}
void Mesh::commit()
{
bool isNormalFaceVarying = true;
motionVertexData =
getParamDataT<const DataT<vec3f> *>("motion.vertex.position");
if (motionVertexData) {
const auto mKeys = motionVertexData->size();
motionBlur = mKeys > 1;
if (!motionVertexAddr || motionVertexAddr->size() < mKeys) // reallocate?
motionVertexAddr = devicert::make_buffer_shared_unique<vec3f *>(
getISPCDevice().getDRTDevice(), mKeys);
auto mVAddr = motionVertexAddr->begin();
// check types and strides
vertexData = (*motionVertexData)[0]; // use 1st key as fallback
const int64_t stride = vertexData->ispc.byteStride;
const size_t size = vertexData->ispc.numItems;
for (size_t i = 0; i < mKeys; i++) {
auto &&vtxData = (*motionVertexData)[i];
if (vtxData->type != OSP_VEC3F || vtxData->ispc.numItems != size
|| vtxData->ispc.byteStride != stride)
throw std::runtime_error(
"Mesh 'motion.vertex.position' arrays need to be"
" of same size and stride and have type vec3f");
mVAddr[i] = vtxData->data();
}
motionNormalData = getParamDataT<const DataT<vec3f> *>("motion.normal");
if (!motionNormalData) {
motionNormalData =
getParamDataT<const DataT<vec3f> *>("motion.vertex.normal");
isNormalFaceVarying = false;
}
if (motionNormalData) {
if (motionNormalData->size() < mKeys)
throw std::runtime_error(
"Mesh 'motion*.normal' array has less keys than"
" 'motion.vertex.position'");
if (!motionNormalAddr || motionNormalAddr->size() < mKeys) // reallocate?
motionNormalAddr = devicert::make_buffer_shared_unique<vec3f *>(
getISPCDevice().getDRTDevice(), mKeys);
auto mNAddr = motionNormalAddr->begin();
// check types and strides
normalData = (*motionNormalData)[0]; // use 1st key as fallback
const int64_t stride = normalData->ispc.byteStride;
for (size_t i = 0; i < mKeys; i++) {
auto &&norData = (*motionNormalData)[i];
if (norData->type != OSP_VEC3F || norData->ispc.numItems != size
|| norData->ispc.byteStride != stride)
throw std::runtime_error(
"Mesh 'motion*.normal' arrays need to be"
" of same size and stride and have type vec3f");
mNAddr[i] = norData->data();
}
} else
normalData = nullptr;
} else {
motionBlur = false;
vertexData = getParamDataT<vec3f>("vertex.position", true);
normalData = getParamDataT<vec3f>("normal");
if (!normalData) {
normalData = getParamDataT<vec3f>("vertex.normal");
isNormalFaceVarying = false;
}
}
colorData = getParamObject<Data>("color");
bool isColorFaceVarying = true;
if (!colorData) {
colorData = getParamObject<Data>("vertex.color");
isColorFaceVarying = false;
}
bool isTexcoordFaceVarying = true;
texcoordData = getParamDataT<vec2f>("texcoord");
if (!texcoordData) {
texcoordData = getParamDataT<vec2f>("vertex.texcoord");
isTexcoordFaceVarying = false;
}
// get optional vec3i index, if successful, it's a triangle
indexData = getParamDataT<vec3ui>("index");
// optionally get vec4i index, if successful, it's a quad
if (!indexData)
indexData = getParamDataT<vec4ui>("index");
// If no index data given, make tri or quad soup based on input parameter
// Index order is 0,1,2,3,...
if (!indexData) {
const bool quadSoup = getParam<bool>("quadSoup", false);
const int elements = quadSoup ? 4 : 3;
indexData = new Data(getISPCDevice(),
quadSoup ? OSP_VEC4UI : OSP_VEC3UI,
vec3l(vertexData->size() / elements, 1, 1));
indexData->refDec();
auto begin = (unsigned int *)indexData->data();
std::iota(begin, begin + indexData->size() * elements, 0);
}
const bool isTri = indexData->type == OSP_VEC3UI;
getSh()->super.type =
isTri ? ispc::GEOMETRY_TYPE_TRIANGLE_MESH : ispc::GEOMETRY_TYPE_QUAD_MESH;
createEmbreeGeometry(
isTri ? RTC_GEOMETRY_TYPE_TRIANGLE : RTC_GEOMETRY_TYPE_QUAD);
time = range1f(0.0f, 1.0f);
if (motionBlur) {
time = getParam<range1f>("time", range1f(0.0f, 1.0f));
if (time.upper < time.lower)
time.upper = time.lower;
rtcSetGeometryTimeStepCount(embreeGeometry, motionVertexData->size());
size_t i = 0;
for (auto &&vtx : *motionVertexData)
setEmbreeGeometryBuffer(embreeGeometry, RTC_BUFFER_TYPE_VERTEX, vtx, i++);
rtcSetGeometryTimeRange(embreeGeometry, time.lower, time.upper);
} else {
rtcSetGeometryTimeStepCount(embreeGeometry, 1);
setEmbreeGeometryBuffer(embreeGeometry, RTC_BUFFER_TYPE_VERTEX, vertexData);
}
rtcSetSharedGeometryBuffer(embreeGeometry,
RTC_BUFFER_TYPE_INDEX,
0,
isTri ? RTC_FORMAT_UINT3 : RTC_FORMAT_UINT4,
indexData->data(),
0,
isTri ? sizeof(vec3ui) : sizeof(vec4ui),
indexData->size());
rtcCommitGeometry(embreeGeometry);
getSh()->isColorFaceVarying = isColorFaceVarying;
getSh()->isTexcoordFaceVarying = isTexcoordFaceVarying;
getSh()->isNormalFaceVarying = isNormalFaceVarying;
getSh()->index = *ispc(indexData);
getSh()->vertex = *ispc(vertexData);
getSh()->normal = *ispc(normalData);
getSh()->color = *ispc(colorData);
getSh()->texcoord = *ispc(texcoordData);
getSh()->motionVertex =
motionVertexAddr ? (uint8_t **)motionVertexAddr->data() : nullptr;
getSh()->motionNormal =
motionNormalAddr ? (uint8_t **)motionNormalAddr->data() : nullptr;
getSh()->motionKeys = motionBlur ? motionVertexData->size() : 0;
getSh()->time = time;
getSh()->has_alpha = colorData && colorData->type == OSP_VEC4F;
getSh()->is_triangleMesh = isTri;
getSh()->super.numPrimitives = numPrimitives();
getSh()->super.postIntersect = isTri
? reinterpret_cast<ispc::Geometry_postIntersectFct>(
ispc::TriangleMesh_postIntersect_addr())
: reinterpret_cast<ispc::Geometry_postIntersectFct>(
ispc::QuadMesh_postIntersect_addr());
getSh()->flagMask = -1;
if (!normalData)
getSh()->flagMask &= ispc::int64(~DG_NS);
if (!colorData)
getSh()->flagMask &= ispc::int64(~DG_COLOR);
if (!texcoordData)
getSh()->flagMask &= ispc::int64(~DG_TEXCOORD);
postCreationInfo(vertexData->size());
featureFlagsGeometry = isTri ? FFG_TRIANGLE : FFG_QUAD;
if (motionBlur)
featureFlagsGeometry |= FFG_MOTION_BLUR;
}
size_t Mesh::numPrimitives() const
{
return indexData->size();
}
} // namespace ospray
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