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/******************************************************************************
<<<<<<< .mine
* Copyright 2024 NVIDIA Corporation. All rights reserved. *
||||||| .r374748
* Copyright 2023 NVIDIA Corporation. All rights reserved. *
=======
* Copyright 2024 NVIDIA Corporation. All rights reserved. *
>>>>>>> .r376783
******************************************************************************
Permission is hereby granted by NVIDIA Corporation ("NVIDIA"), free of charge,
to any person obtaining a copy of the sample definition code that uses our
Material Definition Language (the "MDL Materials"), to reproduce and distribute
the MDL Materials, including without limitation the rights to use, copy, merge,
publish, distribute, and sell modified and unmodified copies of the MDL
Materials, and to permit persons to whom the MDL Materials is furnished to do
so, in all cases solely for use with NVIDIA's Material Definition Language,
subject to the following further conditions:
1. The above copyright notices, this list of conditions, and the disclaimer
that follows shall be retained in all copies of one or more of the MDL
Materials, including in any software with which the MDL Materials are bundled,
redistributed, and/or sold, and included either as stand-alone text files,
human-readable headers or in the appropriate machine-readable metadata fields
within text or binary files as long as those fields can be easily viewed by the
user, as applicable.
2. The name of NVIDIA shall not be used to promote, endorse or advertise any
Modified Version without specific prior written permission, except a) to comply
with the notice requirements otherwise contained herein; or b) to acknowledge
the contribution(s) of NVIDIA.
THE MDL MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL,
INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE
THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.
*/
mdl 1.7;
import ::anno::*;
import ::base::*;
import ::df::*;
import ::math::*;
import ::state::*;
import ::tex::*;
import ::nvidia::core_definitions::*;
const string COPYRIGHT =
" Copyright 2024 NVIDIA Corporation. All rights reserved.\n"
" MDL MATERIALS ARE PROVIDED PURSUANT TO AN END USER LICENSE AGREEMENT,\n"
" WHICH WAS ACCEPTED IN ORDER TO GAIN ACCESS TO THIS FILE. IN PARTICULAR,\n"
" THE MDL MATERIALS ARE PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n"
" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF\n"
" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF\n"
" COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL NVIDIA\n"
" CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY\n"
" GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN\n"
" AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR\n"
" INABILITY TO USE THE MDL MATERIALS OR FROM OTHER DEALINGS IN THE MDL MATERIALS.\n";
enum unit_scale{
unit_mm = 1,
unit_cm = 2,
unit_m = 3
};
float histogram_range(float input, float range = 1.0f, float position = 0.5f)
{
float low = ::math::clamp(1.0 - ::math::min(((1.0 - position) + range * 0.5), (1.0 - position) * 2), 0.0, 1.0);
float high = ::math::clamp(math::min((position + range * 0.5 ), position * 2.0), 0.0, 1.0);
return ::math::lerp(low, high, input);
}
float remap_xy_to_0_1(float input, float x, float y)
{
return (input - x)/(y - x);
}
float histogram_scan_small(float input, float width, float position)
{
return ::math::clamp(
remap_xy_to_0_1(input,
position * (1.0f - width), // special case of ::math::lerp(0.0, 1.0 - width, position),
::math::lerp(width, 1.0 , position)),
0.0,
1.0);
}
struct volume_info{
color absorption_coefficient;
color scattering_coefficient;
};
volume_info volume_transmittance_albedo(
float density_scale = 1.0,
color transmittance = color(0.5f), // transmittance color after unit distance
color albedo = color(1.0f)
)
[[
anno::noinline()
]]
{
color sigma_t = -math::log(math::saturate(transmittance)) * density_scale;
color sigma_s = sigma_t * ::math::saturate(albedo);
return volume_info(
scattering_coefficient: sigma_s,
absorption_coefficient: sigma_t - sigma_s);
}
volume_info custom_volume_transmittance(
unit_scale unit_scale_select = unit_mm,
float absorption_thickness = 3.0f,
color transmittance = color(0.5f),
color albedo = color(0.0f)
)
{
absorption_thickness = (absorption_thickness <= 0.0f) ? 0.00001 : absorption_thickness;
float scalefactor;
switch(unit_scale_select){
case unit_mm: scalefactor = 0.001f; break;
case unit_cm: scalefactor = 0.01f; break;
case unit_m: scalefactor = 1.0f; break;
default: scalefactor = 1.0f;
}
volume_info vol_coefficients = volume_transmittance_albedo(
density_scale: 1.0f/(absorption_thickness * scalefactor),
transmittance: transmittance,
albedo: albedo
);
return vol_coefficients;
}
float3 rgb2hsl(float3 c)
[[
::anno::description("Converts a color value to HSL. The function outputs the hue to \n"
"lie in the range from 0.0-1.0."),
::anno::author("NVIDIA vMaterials")
]]
{
float3 hsl;
float cMax = ::math::max(::math::max(c.x, c.y), c.z);
float cMin = ::math::min(::math::min(c.x, c.y), c.z);
float delta = cMax - cMin;
hsl.z = (cMax + cMin) / 2.0;
hsl.x = ((cMax == cMin) ? 0 :
(cMax == c.x) ? (c.y - c.z) / delta + ((c.z > c.y) ? 6.0f : 0.0f):
(cMax == c.y) ? (c.z - c.x) / delta + 2.0 : (c.x - c.y) / delta + 4.0) / 6.0f;
hsl.y = (hsl.z == 0.0 || hsl.z == 1.0) ? 0.0 : delta / (1.0 - ::math::abs(2.0 * hsl.z - 1.0));
return hsl;
}
// converts a HSL value back to a color
// The Hue is expected to lie in the range
float f_n(float n, float a, float h, float l) {
float k = ::math::fmod(n + h * 12.f, 12.f);
return l - a * ::math::max(-1.0f, ::math::min(::math::min(k-3.0f, 9.0f-k), 1.0f));
}
color hsl2rgb(float3 hsl)
[[
::anno::description("Converts a HSL value back to a color. Note that the hue is expected to \n"
"lie in the range from 0.0-1.0."),
::anno::author("NVIDIA vMaterials")
]]
{
float h = hsl.x, s = hsl.y, l = hsl.z;
float a = s * ::math::min(l, 1.0f - l);
return color(f_n(0.0, a, h, l),
f_n(8.0, a, h, l),
f_n(4.0, a, h, l));
}
struct vm_coordinates{
float2 uv; // UV coordinates stored as a simple float2
float rotation; // The rotation is stored in radiands (not degress), to convert use ((rotation* 3.1415926535897932384626433832f) / 180.f)
int uv_space_index; // The UV space Index from which the UV data came from
float4 carry; // may carry additional data, such as random IDs
};
struct vm_3float{
float x;
float y;
float z;
};
enum vm_mono_select
[[
anno::description("Modes for the creation of a gray-scale value from a color."),
anno::hidden()
]]
{
mono_r = 0,
mono_g = 1,
mono_b = 2,
mono_a = 3,
mono_average = 4
};
vm_coordinates vm_coord
(
float2 translation = float2(0.0f, 0.0) [[
::anno::display_name("Translation"),
::anno::description("Translates the coordinates.")
]],
float rotation = 0.0f [[
::anno::display_name("Rotation"),
::anno::description("Rotates the coordinates in degrees.")
]],
float2 scaling = float2(1.0f, 1.0f) [[
::anno::display_name("Scaling"),
::anno::description("Scales the coordinates.")
]],
uniform int uv_space = 0 [[
::anno::display_name("UV Space"),
::anno::description("Chose the UV space.")
]]
)
[[
::anno::display_name("vm Transform"),
::anno::description("Generates coordinates to be used in vm_lookup functions.")
]]
{
vm_coordinates uv;
::base::texture_coordinate_info info = ::base::coordinate_source( ::base::texture_coordinate_uvw, uv_space);
uv.rotation = (rotation * 3.1415926535897932384626433832f) / 180.f;
uv.uv = float2(info.position.x, info.position.y);
float sine = ::math::sin(uv.rotation);
float cosine = ::math::cos(uv.rotation);
float2x2 rot = float2x2(cosine, -sine, sine, cosine);
uv.uv = rot * uv.uv;
uv.uv /= scaling;
uv.uv += translation;
// Translation before or after rotation?
return uv;
}
vm_coordinates vm_coord_post_rotate(
vm_coordinates uv = vm_coord() [[
::anno::display_name("VM Coordinates"),
::anno::description("A set of vm coordinates.")
]],
float rotation = 0.0f [[
::anno::display_name("Rotation"),
::anno::description("Rotates the coordinates in degrees.")
]]
)
{
float rot_rad = (rotation * 3.1415926535897932384626433832f) / 180.f; // track rotation
float sine = ::math::sin(rot_rad);
float cosine = ::math::cos(rot_rad);
float2x2 rot = float2x2(cosine, -sine, sine, cosine);
uv.rotation += rot_rad;
uv.uv = rot * uv.uv;
return uv;
}
vm_coordinates vm_coord_post_scale(
vm_coordinates uv = vm_coord(),
float2 scale = float2(1.0f)
)
{
uv.uv /= scale;
return uv;
}
::base::texture_return vm_tex_lookup(
uniform texture_2d tex,
vm_coordinates uv = vm_coord(),
uniform vm_mono_select mono_source = mono_a,
float4 scale = float4(1.0f))
{
float mono;
float4 lookup = ::tex::lookup_float4(tex, uv.uv, ::tex::wrap_repeat, ::tex::wrap_repeat) * scale;
switch( mono_source ) {
case mono_r: mono = lookup.x;
break;
case mono_g: mono = lookup.y;
break;
case mono_b: mono = lookup.z;
break;
case mono_a: mono = lookup.w;
break;
case mono_average: mono = ::math::average(float3(lookup.x, lookup.y, lookup.z));
break;
}
return ::base::texture_return(color(lookup.x, lookup.y, lookup.z), mono);
}
vm_3float vm_tex_lookup_3float(
uniform texture_2d tex,
vm_coordinates uv = vm_coord(),
float3 scale = float3(1.0f))
{
vm_3float ret;
float3 lookup = ::tex::lookup_float3(tex, uv.uv, ::tex::wrap_repeat, ::tex::wrap_repeat) * scale;
ret.x = lookup.x;
ret.y = lookup.y;
ret.z = lookup.z;
return ret;
}
float3 vm_tex_normal_lookup_2x(
uniform texture_2d tex_a,
uniform texture_2d tex_b,
vm_coordinates uv_a = vm_coord(),
vm_coordinates uv_b = vm_coord(),
float strength_a = 1.0f,
float strength_b = 1.0f,
bool use_coord_a_only = false // when set to 'false, tex_b share coordinates from 'uv_a'
)
{
float rot_a = uv_a.rotation;
float rot_b = use_coord_a_only ? uv_a.rotation : uv_b.rotation;
uv_b.uv = use_coord_a_only ? uv_a.uv : uv_b.uv;
// Lookup and convert normal textures a and b to -1 ... 1 range
float3 norm_a = (::tex::lookup_float3(tex_a, uv_a.uv, ::tex::wrap_repeat, ::tex::wrap_repeat) - float3(.5f)) * 2.0f;
norm_a = ::math::normalize(norm_a * float3(strength_a, strength_a, 1.0));
float3 norm_b = (::tex::lookup_float3(tex_b, uv_b.uv, ::tex::wrap_repeat, ::tex::wrap_repeat) - float3(.5f)) * 2.0f;
norm_b = ::math::normalize(norm_b * float3(strength_b, strength_b, 1.0));
// if any rotation happened prior to the lookup, compensate for it
norm_a = float3(::math::cos(rot_a) * norm_a.x - ::math::sin(rot_a) * norm_a.y,
::math::sin(rot_a) * norm_a.x + ::math::cos(rot_a) * norm_a.y,
norm_a.z);
norm_b = float3(::math::cos(rot_b) * norm_b.x - ::math::sin(rot_b) * norm_b.y,
::math::sin(rot_b) * norm_b.x + ::math::cos(rot_b) * norm_b.y,
norm_b.z);
// http://blog.selfshadow.com/publications/blending-in-detail/
norm_a=norm_a + float3(0.,0.,1.);
norm_b = norm_b * float3(-1.,-1.,1.);
float3 norm = norm_a*math::dot(norm_a, norm_b)/norm_a.z - norm_b;
return norm.x * ::state::texture_tangent_u(uv_a.uv_space_index) +
norm.y * ::state::texture_tangent_v(uv_a.uv_space_index) +
norm.z * ::state::normal();
}
//
export material Turquoise(
color transmission_color = color (0.296138f, 1.000000f, 0.904661) //( 0.2392157f , 0.8039216f , 0.7294118f)
[[
::anno::display_name("Transmission Color"),
::anno::description("Color effect for transmission independent of thickness of the object."),
::anno::in_group("Appearance")
]],
uniform color volume_color = color(0.009721f, 0.693872f, 0.693872f) //( 0.001f , 0.01188235f , 0.01188235f)
[[
::anno::display_name("Volume Color"),
::anno::description("Color effect for volume of the object reached at transmission distance."),
::anno::in_group("Appearance")
]],
uniform color crack_color = color(0.023153f, 0.011612f, 0.001f) // ( 0.02352941f , 0.01176471f , 0.f)
[[
::anno::display_name("Crack Color"),
::anno::description("Color of cracks."),
::anno::in_group("Appearance")
]],
uniform color flake_color = color (1.000000f, 0.527115f, 0.001f) //( 1.f , 0.5294118f , 0.f)
[[
::anno::display_name("Flake Color"),
::anno::description("Color of flakes."),
::anno::in_group("Appearance")
]],
uniform float clarity = .15f
[[
::anno::display_name("Clarity"),
::anno::description("Use to adapt to size of object."),
::anno::soft_range(0.1,10.0),
::anno::in_group("Appearance")
]],
uniform float flake_size = 1.f
[[
::anno::display_name("Flake Size"),
::anno::description("Determines size of flakes (in mm)."),
::anno::in_group("Appearance")
]],
uniform float flake_amount = 1.f
[[
::anno::display_name("Flake Amount"),
::anno::description("Determines amount of visible flakes."),
::anno::soft_range(0.0,1.0),
::anno::in_group("Appearance")
]],
uniform texture_2d crack_texture = texture_2d ( "./textures/turquoise_crack_msk.png" , ::tex::gamma_srgb)
[[
::anno::display_name("Crack Texture"),
::anno::description("Attach map of cracks here."),
::anno::in_group("Appearance")
]],
uniform float3 texture_translate = float3 ( 0.f)
[[
::anno::display_name("Translate"),
::anno::description("Controls the position of the texture."),
::anno::in_group("Transform")
]],
uniform float texture_rotate = 0.f
[[
::anno::display_name("Rotate"),
::anno::description("Rotate angle in degrees."),
::anno::in_group("Transform")
]],
uniform float2 texture_scale = float2 ( 1.f)
[[
::anno::display_name("Scale"),
::anno::description("Larger numbers increase the texture size."),
::anno::in_group("Transform"),
::nvidia::core_definitions::dimension(float2(1.0f, 1.0f))
]],
uniform int uv_space_index = 0
[[
::anno::display_name("UV Space Index"),
::anno::description("UV space index."),
::anno::hard_range(0,3),
::anno::in_group("Advanced")
]])
[[
::anno::display_name("Turquoise"),
::anno::description("Turquoise gem material (Default values based on 2cm stone size.)"),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Rüdiger Raab"),
::anno::contributor("Maik Rohland"),
::anno::copyright_notice(COPYRIGHT),
::anno::thumbnail("./.thumbs/Turquoise.Turquoise.png"),
::anno::hidden(),
::anno::key_words(string[]("gem", "jewelry", "gemstone", "transmissive", "new", "design", "turquoise", "cool"))
]]=
::nvidia::core_definitions::add_globalbump(
base: ::nvidia::core_definitions::blend(
base: ::nvidia::core_definitions::thick_translucent(
transmission_color: ::nvidia::core_definitions::perlin_noise_texture(
color1: transmission_color,
color2: color ( 1.f , 1.f , 1.f),
object_space: true,
noise_levels: 3,
absolute_noise: false,
noise_threshold_high: 1.f,
noise_threshold_low: 0.f,
scaling: float3 ( 300.f , 300.f , 300.f),
translation: texture_translate,
rotation: float3 (texture_rotate,texture_rotate,texture_rotate),
texture_space: uv_space_index).tint,
volume_color: volume_color,
volume_scattering: 0.99999f,
roughness: 0.f,
reflectivity: 1.f,
base_thickness: clarity * 0.1f,
normal: ::state::normal (),
ior: 1.65f),
blend: ::nvidia::core_definitions::apply_metallicflakes(
base: ::nvidia::core_definitions::flex_material(
base_color: crack_color,
diffuse_roughness: 0.f,
is_metal: false,
reflectivity: 0.3f,
reflection_roughness: 0.2f,
anisotropy: 0.f,
anisotropy_rotation: 0.f,
transparency: 0.f,
transmission_color: color ( 1.f , 1.f , 1.f),
volume_color: color ( 1.f , 1.f , 1.f),
transmission_roughness: 0.f,
base_thickness: clarity * 0.1f,
ior: 1.5f,
thin_walled: false,
normal: ::state::normal ()),
flake_color: flake_color,
roughness: 0.f,
size: flake_size * 0.1f,
amount: flake_amount * 0.15f,
opacity: 0.5f,
bump: 1.f),
weight: ::nvidia::core_definitions::file_texture(
texture: crack_texture,
mono_source: ::base::mono_average,
brightness: 1.f,
contrast: 1.f,
scaling: 1.f / texture_scale,
translation: float2 (texture_translate.x, texture_translate.y) ,
rotation: texture_rotate,
clip: false,
texture_space: uv_space_index,
invert: false).mono),
normal: ::nvidia::core_definitions::file_bump_texture(
texture: crack_texture,
bump_source: ::base::mono_luminance,
scaling: 1.f / texture_scale,
translation: float2 (texture_translate.x, texture_translate.y) ,
rotation: texture_rotate,
clip: false,
factor: -0.2f,
texture_space: uv_space_index));
export material Turquoise_Mineral(
float turquoise_tint = 1.0f [[
::anno::description("Adjusts the color of the mineral from greenish to blueish."),
::anno::display_name("Tint"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(0)
]],
float diffuse_brightness = 0.6f [[
::anno::description("Adjusts the lightness of the material."),
::anno::display_name("Brightness"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(1)
]],
float polishing_roughness = 0.26f [[
::anno::description("Higher roughness values lead to bigger highlights and blurrier reflections."),
::anno::display_name("Roughness"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(2)
]],
color veins_color = color(0.158961f, 0.090842f, 0.017642f) [[
::anno::description("Adjusts the color of the veins."),
::anno::display_name("Vein Color"),
::anno::in_group("Appearance"),
::anno::ui_order(3)
]],
float veins_big_amount = 1.f [[
::anno::description("Controls the visibility of the large veins in the material."),
::anno::display_name("Large Veins"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(4)
]],
float veins_small_amount = 0.52f [[
::anno::description("Controls the visibility of the small veins in the material."),
::anno::display_name("Small Veins"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(5)
]],
float veins_breakup = 0.f [[
::anno::description("Breaks up the veins, so that they appear and disappear at different positions through the material."),
::anno::display_name("Veins Breakup"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 1.f),
::anno::ui_order(6)
]],
float veins_bump_strength = 0.03f [[
::anno::description("Controls the strength of the veins that appear on the mineral surface."),
::anno::display_name("Veins Bump Strength"),
::anno::in_group("Appearance"),
::anno::soft_range(0.f, 1.f),
::anno::hard_range(0.f, 2.f),
::anno::ui_order(7)
]],
float2 texture_translate = float2(0.0f, 0.0f) [[
::anno::description("Controls the position of the texture."),
::anno::display_name("Texture Translate"),
::anno::in_group("Transform"),
::anno::ui_order(8)
]],
float texture_rotate = 0.f [[
::anno::description("Rotates angle of the texture in degrees."),
::anno::display_name("Texture Rotate"),
::anno::in_group("Transform"),
::anno::soft_range(0.f, 360.f),
::anno::ui_order(9)
]],
float2 texture_scale = float2(1.0f) [[
::anno::description("Larger numbers increase the size."),
::anno::display_name("Texture Scale"),
::anno::in_group("Transform"),
::nvidia::core_definitions::dimension(float2(0.04f, 0.04f)),
::anno::ui_order(10)
]],
uniform int uv_space_index = 0 [[
::anno::description("Uses selected UV space for material."),
::anno::display_name("UV Space Index"),
::anno::in_group("Transform"),
::anno::ui_order(11)
]],
uniform bool roundcorners_enable = false [[
::anno::description("Enables the round corner effect. Comes at a slight performance cost as additional raytracing calls are required to evaluate the round corner effect."),
::anno::display_name("Enable Round Corners"),
::anno::in_group("Round Corners"),
::anno::ui_order(12)
]],
uniform float roundcorners_radius_mm = 1.0f [[
::anno::description("Radius of the rounded corners in millimeters."),
::anno::display_name("Round Corner Radius (mm)"),
::anno::in_group("Round Corners"),
::anno::soft_range(0.f, 10.f),
::anno::ui_order(13)
]],
uniform bool roundcorners_across_materials = false [[
::anno::description("Applies the round corner effect across different materials when enabled."),
::anno::display_name("Across Materials"),
::anno::in_group("Round Corners."),
::anno::ui_order(14)
]])
[[
::anno::display_name("Turquoise - Sky Blue"),
::anno::description("Turquoise gem material with adjustable color hue and veins."),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Rüdiger Raab"),
::anno::contributor("Maik Rohland"),
::anno::copyright_notice(COPYRIGHT),
::anno::thumbnail("./.thumbs/Turquoise.Turquoise_Mineral.png"),
::anno::key_words(string[]("gem", "jewelry", "gemstone", "SSS", "transmissive", "new", "design", "turquoise", "blue", "cool", "saturated"))
]]
=
let {
bool tmp0 = false;
texture_2d multi_rough_tex = texture_2d("./textures/turquoise_multi_rough.jpg", ::tex::gamma_linear);
texture_2d veins_tex = texture_2d("./textures/turquoise_veins.jpg", ::tex::gamma_linear);
texture_2d breakup_tex = texture_2d("./textures/turquoise_breakup_noise.png", ::tex::gamma_linear);
texture_2d diff_lin_tex = texture_2d("./textures/turquoise_diffuse.jpg", ::tex::gamma_linear);
texture_2d norm_tex = texture_2d("./textures/turquoise_cracks_norm2.jpg", ::tex::gamma_linear);
material_surface tmp1(::df::custom_curve_layer(0.0399999991f, 1.f, 5.f, 1.f, ::df::microfacet_ggx_smith_bsdf(::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), 0.75f, histogram_scan_small(nvidia::core_definitions::blend_colors(nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, ::base::color_layer_screen, 1.f, true).mono, 0.620000005f, 0.119999997f)), veins_bump_strength) * ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), 0.75f, histogram_scan_small(nvidia::core_definitions::blend_colors(nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, ::base::color_layer_screen, 1.f, true).mono, 0.620000005f, 0.119999997f)), veins_bump_strength), ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), 0.75f, histogram_scan_small(nvidia::core_definitions::blend_colors(nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, ::base::color_layer_screen, 1.f, true).mono, 0.620000005f, 0.119999997f)), veins_bump_strength) * ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), ::math::lerp(histogram_range(vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).x * 0.620000005f + vm_tex_lookup_3float(multi_rough_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float3(1.f)).y, 0.75999999f, polishing_roughness * 0.5f), 0.75f, histogram_scan_small(nvidia::core_definitions::blend_colors(nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, ::base::color_layer_screen, 1.f, true).mono, 0.620000005f, 0.119999997f)), veins_bump_strength), color(1.f, 1.f, 1.f), color(0.f, 0.f, 0.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::df::weighted_layer(0.589999974f, ::df::diffuse_reflection_bsdf(::math::pow(nvidia::core_definitions::blend_colors(hsl2rgb(rgb2hsl(float3(vm_tex_lookup(diff_lin_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint)) + float3((turquoise_tint - 1.f) * 0.159999996f, 0.f, 0.f)), veins_color, ::base::color_layer_blend, nvidia::core_definitions::blend_colors(nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).tint, ::base::color_layer_screen, 1.f, true).mono, true).tint, diffuse_brightness * -2.5999999f + 3.79999995f), 0.f), ::df::weighted_layer(1.f, ::df::diffuse_transmission_bsdf(color(0.768150985f, 0.944563985f, 1.f)), bsdf(), vm_tex_normal_lookup_2x(norm_tex, norm_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), false)), vm_tex_normal_lookup_2x(norm_tex, norm_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), false)), vm_tex_normal_lookup_2x(norm_tex, norm_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(veins_big_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), nvidia::core_definitions::blend_colors(vm_tex_lookup(veins_tex, vm_coord_post_scale(vm_coord_post_rotate(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), 0.74000001f), float2(0.5f)), mono_a, float4(veins_small_amount)).tint, vm_tex_lookup(breakup_tex, vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), float2(0.5f)), mono_a, float4(1.f)).tint, ::base::color_layer_multiply, veins_breakup, true).mono * (veins_bump_strength * 10.f), false)), material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
color tmp3 = color(1.f, 1.f, 1.f);
material_volume tmp4(
vdf(),
custom_volume_transmittance(unit_cm, 3.f, color(0.0331959985f, 0.0975869969f, 0.0886309966f), hsl2rgb(rgb2hsl(float3(vm_tex_lookup(diff_lin_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint)) + float3((turquoise_tint - 1.f) * 0.159999996f, 0.f, 0.f))).absorption_coefficient,
custom_volume_transmittance(unit_cm, 3.f, color(0.0331959985f, 0.0975869969f, 0.0886309966f), hsl2rgb(rgb2hsl(float3(vm_tex_lookup(diff_lin_tex, vm_coord(texture_translate, texture_rotate, texture_scale, uv_space_index), mono_a, float4(1.f)).tint)) + float3((turquoise_tint - 1.f) * 0.159999996f, 0.f, 0.f))).scattering_coefficient,
color(0.f, 0.f, 0.f));
material_geometry tmp5(float3(0.f), 1.f, roundcorners_enable ? ::state::rounded_corner_normal(roundcorners_radius_mm * 0.00100000005f, roundcorners_across_materials, 1.f) : ::state::normal());
} in
material(
thin_walled: tmp0,
surface: tmp1,
backface: tmp2,
ior: tmp3,
volume: tmp4,
geometry: tmp5);
// 2
export material Turquoise_Blueish_Green(*)
[[
::anno::display_name("Turquoise - Medium Blue"),
::anno::description("Turquoise gem material with adjustable color hue and veins."),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Rüdiger Raab"),
::anno::contributor("Maik Rohland"),
::anno::copyright_notice(COPYRIGHT),
::anno::thumbnail("./.thumbs/Turquoise.Turquoise_Blueish_Green.png"),
::anno::key_words(string[]("gem", "jewelry", "gemstone", "SSS", "transmissive", "new", "design", "bumped", "turquoise", "medium", "blue", "cool", "saturated"))
]] = Turquoise_Mineral(
turquoise_tint: 0.66f,
diffuse_brightness: 0.6f,
polishing_roughness: 0.35f,
veins_color: color(0.158961f, 0.090842f, 0.017642f),
veins_big_amount: 1.0f,
veins_small_amount: 0.81f,
veins_breakup: 0.5f,
veins_bump_strength: 1.0f,
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
uv_space_index: 0,
roundcorners_enable: false,
roundcorners_radius_mm: 1.0f,
roundcorners_across_materials: false
);
// 3
export material Turquoise_Apple_Green(*)
[[
::anno::display_name("Turquoise - Apple Green"),
::anno::description("Turquoise gem material with adjustable color hue and veins."),
::anno::author("NVIDIA vMaterials"),
::anno::contributor("Rüdiger Raab"),
::anno::contributor("Maik Rohland"),
::anno::copyright_notice(COPYRIGHT),
::anno::thumbnail("./.thumbs/Turquoise.Turquoise_Apple_Green.png"),
::anno::key_words(string[]("gem", "jewelry", "gemstone", "SSS", "transmissive", "new", "design", "bumped", "rough", "turquoise", "blue", "apple", "green", "cool", "saturated"))
]] = Turquoise_Mineral(
turquoise_tint: 0.0f,
diffuse_brightness: 0.6f,
polishing_roughness: 0.79f,
veins_color: color(0.158961f, 0.090842f, 0.017642f),
veins_big_amount: 1.0f,
veins_small_amount: 0.81f,
veins_breakup: 0.5f,
veins_bump_strength: 1.0f,
texture_translate: float2(0.0f),
texture_rotate: 0.0f,
texture_scale: float2(1.0f),
uv_space_index: 0,
roundcorners_enable: false,
roundcorners_radius_mm: 1.0f,
roundcorners_across_materials: false
); |