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// Copyright 2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "MediumShared.h"
#include "render/MaterialShared.h"
#include "texture/TextureParamShared.h"
#ifdef __cplusplus
namespace ispc {
#endif // __cplusplus
struct Principled
{
Material super;
vec3f baseColor;
TextureParam baseColorMap;
// metallic reflectivity at grazing angle (90 deg) / edge tint
vec3f edgeColor;
TextureParam edgeColorMap;
float metallic;
TextureParam metallicMap;
// diffuse weight in [0, 1]
float diffuse;
TextureParam diffuseMap;
// specular weight in [0, 1]
float specular;
TextureParam specularMap;
// index of refraction
float ior;
TextureParam iorMap;
// specular transmission in [0, 1]
float transmission;
TextureParam transmissionMap;
vec3f transmissionColor;
TextureParam transmissionColorMap;
float transmissionDepth;
TextureParam transmissionDepthMap;
// roughness in [0, 1]; 0 = ideally smooth (mirror)
float roughness;
TextureParam roughnessMap;
// degree of anisotropy in [0, 1]; 0 = isotropic, 1 = maximally anisotropic
float anisotropy;
TextureParam anisotropyMap;
// anisotropic rotation in [0, 1];
float rotation;
TextureParam rotationMap;
// default normal map for all layers
float normal; // scale
TextureParam normalMap;
linear2f normalRot;
// base normal map (overrides default normal)
float baseNormal; // scale
TextureParam baseNormalMap;
linear2f baseNormalRot;
// dielectric clear coat weight in [0, 1]
float coat;
TextureParam coatMap;
// dielectric clear coat index of refraction
float coatIor;
TextureParam coatIorMap;
vec3f coatColor;
TextureParam coatColorMap;
float coatThickness;
TextureParam coatThicknessMap;
float coatRoughness;
TextureParam coatRoughnessMap;
// clear coat normal map (overrides default normal)
float coatNormal; // scale
TextureParam coatNormalMap;
linear2f coatNormalRot;
// sheen weight in [0, 1]
float sheen;
TextureParam sheenMap;
vec3f sheenColor;
TextureParam sheenColorMap;
// sheen tint in [0, 1]
float sheenTint;
TextureParam sheenTintMap;
float sheenRoughness;
TextureParam sheenRoughnessMap;
// cut-out opacity in [0, 1]
float opacity;
TextureParam opacityMap;
// solid or thin mode flag
bool thin;
// diffuse transmission in [0, 2] (thin only)
float backlight;
TextureParam backlightMap;
// thickness (thin only)
float thickness;
TextureParam thicknessMap;
Medium outsideMedium;
vec3f emission;
TextureParam emissionMap;
#ifdef __cplusplus
Principled()
: baseColor(0.8f),
edgeColor(1.f),
metallic(0.f),
diffuse(1.f),
specular(1.f),
ior(1.f),
transmission(0.f),
transmissionColor(1.f),
transmissionDepth(1.f),
roughness(0.f),
anisotropy(0.f),
rotation(0.f),
normal(1.f),
normalRot(one),
baseNormal(1.f),
baseNormalRot(one),
coat(0.f),
coatIor(1.5f),
coatColor(1.f),
coatThickness(1.f),
coatRoughness(0.f),
coatNormal(1.f),
coatNormalRot(one),
sheen(0.f),
sheenColor(1.f),
sheenTint(0.f),
sheenRoughness(0.2f),
opacity(1.f),
thin(false),
backlight(0.f),
thickness(1.f),
emission(0.f)
{
super.type = ispc::MATERIAL_TYPE_PRINCIPLED;
}
};
} // namespace ispc
#else
};
#endif // __cplusplus
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