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// Copyright 2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "IntensityDistribution.h"
#include "IntensityDistributionShared.h"
namespace ospray {
void IntensityDistribution::readParams(ISPCDeviceObject &obj)
{
c0 = obj.getParam<vec3f>("c0", c0);
lid = obj.getParamDataT<float, 2>("intensityDistribution");
if (lid) {
if (lid->numItems.z > 1)
throw std::runtime_error(obj.toString()
+ " must have (at most 2D) 'intensityDistribution' array using the first two dimensions.");
size = vec2i(lid->numItems.x, lid->numItems.y);
if (size.x < 2)
throw std::runtime_error(obj.toString()
+ " 'intensityDistribution' must have data for at least two gamma angles.");
if (!lid->compact()) {
postStatusMsg(OSP_LOG_WARNING)
<< obj.toString()
<< " does currently not support strides for 'intensityDistribution', copying data.";
const auto data = new Data(obj.getISPCDevice(), OSP_FLOAT, lid->numItems);
data->copy(*lid, vec3ui(0));
lid = &(data->as<float, 2>());
data->refDec();
}
}
}
void IntensityDistribution::setSh(ispc::IntensityDistribution &sh) const
{
sh.lid = lid ? lid->data() : nullptr;
sh.size = size;
sh.scale.x = nextafter(float(size.x - 1) * float(one_over_pi), -1.0f);
sh.scale.y = nextafter(float(size.y) * float(one_over_two_pi), -1.0f);
}
} // namespace ospray
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