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// Copyright 2009 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "ThinGlass.h"
#ifndef OSPRAY_TARGET_SYCL
// ispc
#include "render/materials/ThinGlass_ispc.h"
#endif
namespace ospray {
namespace pathtracer {
ThinGlass::ThinGlass(api::ISPCDevice &device)
: AddStructShared(device.getDRTDevice(), device, FFO_MATERIAL_THINGLASS)
{
#ifndef OSPRAY_TARGET_SYCL
getSh()->super.getBSDF = reinterpret_cast<ispc::Material_GetBSDFFunc>(
ispc::ThinGlass_getBSDF_addr());
getSh()->super.getTransparency =
reinterpret_cast<ispc::Material_GetTransparencyFunc>(
ispc::ThinGlass_getTransparency_addr());
#endif
}
std::string ThinGlass::toString() const
{
return "ospray::pathtracer::ThinGlass";
}
void ThinGlass::commit()
{
const float eta = getParam<float>("eta", 1.5f);
attenuationColor = getMaterialParam3f("attenuationColor", vec3f(1.f));
const float attenuationDistance = getParam<float>("attenuationDistance", 1.f);
const float thickness = getParam<float>("thickness", 1.f);
getSh()->eta = rcp(eta);
getSh()->attenuationScale =
thickness * rcp(std::max(attenuationDistance, EPS));
const vec3f &acf = attenuationColor.factor;
getSh()->attenuation =
vec3f(log(acf.x), log(acf.y), log(acf.z)) * getSh()->attenuationScale;
getSh()->attenuationColorMap = attenuationColor.tex;
}
} // namespace pathtracer
} // namespace ospray
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