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// Copyright 2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "render/MaterialShared.h"
#include "texture/TextureParamShared.h"
#ifdef __cplusplus
#include "math/spectrum.h"
#else
#include "math/spectrum.ih"
#endif
#ifdef __cplusplus
namespace ispc {
#endif // __cplusplus
struct Metal
{
Material super;
bool spectral;
spectrum eta; // index of refraction
spectrum k; // index of refraction, imaginary part
vec3f etaRGB; // index of refraction
vec3f kRGB; // index of refraction, imaginary part
float roughness; // in [0, 1]; 0==ideally smooth (mirror)
TextureParam roughnessMap;
#ifdef __cplusplus
Metal()
: spectral(false),
eta{},
k{},
etaRGB(RGB_AL_ETA),
kRGB(RGB_AL_K),
roughness(.1f)
{
super.type = ispc::MATERIAL_TYPE_METAL;
}
};
} // namespace ispc
#else
};
#endif // __cplusplus
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