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/******************************************************************************
 *	 Copyright 2024 NVIDIA Corporation. All rights reserved.	 *
 ******************************************************************************
 
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 1.5;

import ::anno::*;
import ::base::*;
import ::df::*;
import ::math::*;
import ::state::*;
import ::tex::*;
import ::nvidia::core_definitions::blend_colors;
import ::nvidia::core_definitions::dimension;


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";

const string DESCRIPTION = "Versatile glass material with features such as ceramic frit, coating, dirt and smudges.";


export enum unit_scale
[[
	::anno::hidden()
]]
{
	unit_mm = 1,
	unit_cm = 2,
	unit_m = 3
};

struct volume_info
[[
	::anno::hidden()
]]
{
	color absorption_coefficient;
	color scattering_coefficient;
};



// simplified volume coefficients
// This function takes a transmittance value and and albedo and translates it into meaningful
// scattering and volume coefficients that are userfriendly
//
volume_info volume_transmittance_albedo(
	uniform float density_scale = 1.0,
	uniform color transmittance = color(0.5f), // transmittance color after unit distance
	uniform color albedo = color(1.0f)
)
{
	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);
}

// This function calculates the apropriate scattering and volume coefficients
// for a material of a given thickness. 
// The user specifies the thickness of the material, e.g. 3mm and the amount 
// of light passing through. The rest is automatically calculated for the material
// and the material_volume is returned.
volume_info custom_volume_transmittance(
	uniform unit_scale unit_scale_select = unit_mm,
	uniform float absorption_thickness = 3.0f,
	uniform color transmittance = color(0.5f),
	uniform 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 srgb2rgb(float3 val)
{
	return ::math::pow(::math::max(val, float3(0.0f)), 2.2);
}


float uint2float(int x)
{
	return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0);
}

int lowbias32(int x)
{
	x ^= x >>> 16;
	x *= 0x7feb352d;
	x ^= x >>> 15;
	x *= 0x846ca68b;
	x ^= x >>> 16;
	return x;
}

float2 rnd22(int2 p) {
	float2 ret_val = float2(
		uint2float(lowbias32(p[0] + lowbias32(p[1]))) / 4294967296.f,
		uint2float(lowbias32(p[0] + 32000 + lowbias32(p[1]))) / 4294967296.f
	);
	return ret_val;
}   


::base::texture_coordinate_info transform_coordinate_2(
	float4x4 transform										 
		[[ ::anno::description("A transformation to be applied to the source coordinates. rotation_translation_scale() is a suggested means to compute the transformation matrix.") ]],
	::base::texture_coordinate_info coordinate = ::base::texture_coordinate_info()
		[[ ::anno::description("Coordinate, typically sourced from coordinate_source or coordinate_projection.") ]]
) [[ 
	::anno::description("Transform a texture coordinate by a matrix.") ,
	::anno::noinline()
  ]]
{
	float4 r_position = float4(coordinate.position.x,coordinate.position.y,coordinate.position.z,1)* transform;
	float4 r_tangent_u = float4(coordinate.tangent_u.x,coordinate.tangent_u.y,coordinate.tangent_u.z,1)* transform;
	float4 r_tangent_v = float4(coordinate.tangent_v.x,coordinate.tangent_v.y,coordinate.tangent_v.z,1)* transform;
	return ::base::texture_coordinate_info(
		float3(r_position.x,r_position.y,r_position.z),
		float3(r_tangent_u.x,r_tangent_u.y,r_tangent_u.z), // orthogonalization
		float3(r_tangent_v.x,r_tangent_v.y,r_tangent_v.z));// orthogonalization
}


// Takes the standard input that every material has. It combines a couple of
// functions in one convenience function.
::base::texture_coordinate_info vmat_transform(
								float2 translation = float2(0.0, 0.0),
								float rotation	 = 0.0,				// rotation in degrees
								float2 scaling	 = float2(1.0, 1.0),
								uniform ::base::texture_coordinate_system system = ::base::texture_coordinate_uvw,
								uniform int uv_space	   = 0
)
{
	float rotation_rad = (rotation * 3.1415926535897932384626433832f) / 180.f;
	float4x4 scale =
	float4x4(1.0 /scaling.x, 0.			 ,  0. ,	 0.,
			 0.			, 1.0 /scaling.y ,  0. ,	 0.,
			 0.			, 0.			 ,  1.0,	 0.,
			 translation.x , translation.y  ,  0.0,	 1.);

	float s = ::math::sin(rotation_rad);
	float c = ::math::cos(rotation_rad);
	float4x4 rotate =
	float4x4(  c  ,  -s   , 0.0 , 0.0,
			   s  ,   c   , 0.0 , 0.0,
			   0.0,   0.0 , 1.0 , 0.0,
			   0. ,   0.0 , 0.0 , 1.);
	
	return transform_coordinate_2(scale*rotate, ::base::coordinate_source(system, uv_space));
}

float2x2 invert_2x2(float2x2 M)
{
	float det = M[0][0]*M[1][1] - M[0][1]*M[1][0];
	//https://www.chilimath.com/lessons/advanced-algebra/inverse-of-a-2x2-matrix/
	return (1.0 / det) * float2x2(M[1][1], -M[0][1], -M[1][0], M[0][0]);
}

float3 nonrepeat_lookup(
	uniform texture_2d texture = texture_2d(),
	::base::texture_coordinate_info uvw = ::base::coordinate_source(),
	float texture_scale = 1.0,
	float3 average_color = float3(0.5),
	float patch_size = 8.0
)
{
	
	float2 uv_in = float2(uvw.position[0], uvw.position[1]) * texture_scale;
	float Z =  patch_size;	 // patch scale inside example texture
	float CON = 1.0f;
	
	float3 O = float3(0.f);
	float2x2 M0 = float2x2(1.f,0.f, 0.5f, ::math::sqrt(3.f)/2.f);
	float2x2 M = invert_2x2(M0); // transform matrix <-> tilted space
	
	float2 U = uv_in;
	float2 V = M * uv_in; //pre-tilted hexa coordinates
	int2 I = int2(::math::floor(V)); // hexa-tile id
	
	// The mean color needs to be determined in Photoshop then to make the
	// average color work out, take the float value and calculate the apropriate
	// mean value as (value^(1/2.2))

	float3 m = average_color;
	
	float3 F = float3(::math::frac(V)[0], ::math::frac(V)[1], 0.f), W;
	F[2] = 1.0 - F[0] - F[1]; // local hexa coordinates
	
	if( F[2] > 0.f )

		O = (W[0] = F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I))) - m*float(CON))
		  + (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m*float(CON))
		  + (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m*float(CON));
	else
		O = (W[0] =	  -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1))))   - m*float(CON))
		  + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m*float(CON))
		  + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m*float(CON));
	O = m + O/::math::length(W);
	O = ::math::clamp( (O), 0.0, 1.0);
	
	return float3(O);
}


float remap_xy_to_0_1(float input, float x, float y)
{
	return (input - x)/(y - x);
}

float histogram_scan_big(float input, float width, float position)
{
	return ::math::clamp(
				remap_xy_to_0_1(input,
					::math::lerp(-width, 1.0, position),
					::math::lerp(0.0, 1.0 + width, position)),
				0.0,
				1.0);
}

color endless_texture(
	uniform texture_2d texture = texture_2d(),
	::base::texture_coordinate_info uvw = ::base::coordinate_source(),
	float texture_scale = 10.0,
	float3 average_color = float3(0.5, 0.5, 1.0),
	float patch_size = 8.0,
	bool gamma_correct_lookup = true
)
{
	return gamma_correct_lookup ? color(srgb2rgb(
			nonrepeat_lookup (
				texture: texture,
				uvw: uvw,
				texture_scale: texture_scale,
				average_color: average_color,
				patch_size: patch_size
			))
		) : color(nonrepeat_lookup (
			texture: texture,
			uvw: uvw,
			texture_scale: texture_scale,
			average_color: average_color,
			patch_size: patch_size
		));
}



// ------------------------------- 8. Glazing Spandrel ------------------------------- 

// 8.1

// Glass_V1

export material Glass_Glazing_Spandrel(
// Appearance
	uniform bool infinite_tiling = false [[
		::anno::description("Enables infinite tiling feature which removes repeating texture patterns. Note that depending on the material this feature changes the appearance of the material slightly."),
		::anno::display_name("Infinite Tiling"),
		::anno::in_group("Appearance")
	]],
	uniform bool thin_walled = false [[
		::anno::description("Makes the material thin-walled. This changes the behavior of the material in a way that light attenuation is not calculated volumetrically as light travels through the geometry but at the light surface level. Thin walled geometry mustbe modeled as a single sheet without any volume."),
		::anno::display_name("Thin Walled"),
		::anno::in_group("Appearance")
	]],
	uniform float ior = 1.48f [[
		::anno::description("Index of refraction."),
		::anno::display_name("IOR"),
		::anno::in_group("Appearance"),
		::anno::soft_range(0.f, 0.f),
		::anno::hard_range(0.f, 20.f)
	]],
	uniform float abbe_number = 0.0f [[
		::anno::description("Dispersion in relation to index of refraction."),
		::anno::display_name("Abbe Number"),
		::anno::in_group("Appearance"),
		::anno::soft_range(0.f, 100.f)
	]],
	float roughness = 0.f [[
		::anno::description("Creates a frosted look of the glass."),
		::anno::display_name("Roughness"),
		::anno::in_group("Appearance"),
		::anno::hard_range(0.f, 1.f)
	]],
	uniform unit_scale units_absorption_thickness = unit_m [[
		::anno::description("Chooses the units that are used for setting the absorption thickness. Can be meters, centimeters or millimeters."),
		::anno::display_name("Units Absorption Thickness"),
		::anno::enable_if("thin_walled == false"),
		::anno::in_group("Appearance")
	]],
	uniform float absorption_thickness = 1.f [[
		::anno::description("The thickness for which the transmittance (color) is set. Example: If thickness is set to 3mm and transmittance to 0.8, then 80% of the light will pass through a 3mm thick material."),
		::anno::display_name("Absorption Thickness"),
		::anno::enable_if("thin_walled == false"),
		::anno::in_group("Appearance"),
		::anno::soft_range(0.f, 10.f)
	]],
	uniform color transmittance = color(0.388910f, 0.932277f, 0.781751f) [[
		::anno::description("The transmittance sets the amount of light that is left after light has travelled through a given material thickness which can be set with the parameter \"absorption thickness\". The transmittance can be set for RGB components separately to achieve a tinted appearance of the material."),
		::anno::display_name("Transmittance"),
		::anno::in_group("Appearance")
	]],



// Coating
	float coating_reflectivity = 0.0f [[
		::anno::description("Adjusts the reflectivity of the coating - the amount of light that gets reflected before it transfers through the glass surface."),
		::anno::display_name("Coating Reflectivity"),
		::anno::in_group("Appearance", "Coating"),
		::anno::hard_range(0.f, 1.f)
	]],
	color coating_tint = color(1.f, 1.f, 1.f) [[
		::anno::display_name("Coating Tint"),
		::anno::description("Adds a color to the coating layer."),
		::anno::enable_if("coating_reflectivity > 0.0"),
		::anno::in_group("Appearance", "Coating")
	]],
	
// Frit
	uniform float frit_weight = 1.0f [[
		::anno::description("Controls the weight of the frit layer."),
		::anno::display_name("Frit Layer Weight"),
		::anno::in_group("Appearance", "Frit"),
		::anno::hard_range(0.f, 1.f)
	]],
	color frit_color = color(0.339223f, 0.348865f, 0.234895f) [[
		::anno::display_name("Frit Color"),
		::anno::enable_if("frit_weight > 0.0"),
		::anno::in_group("Appearance", "Frit")
	]],	
	float frit_size = 1.0f [[
		::anno::description("Controls the size of the frit circles."),
		::anno::display_name("Frit Size"),
		::anno::enable_if("frit_weight > 0.0"),
		::anno::in_group("Appearance", "Frit"),
		::anno::hard_range(0.f, 1.f)
	]],
	float frit_roughness = 0.0f [[
		::anno::description("Controls the roughness of the frit layer."),
		::anno::display_name("Frit Roughness"),
		::anno::enable_if("frit_weight > 0.0"),
		::anno::in_group("Appearance", "Frit"),
		::anno::hard_range(0.f, 1.f)
	]],
	float2 frit_scale = float2(1.f) [[
		::anno::description("Larger numbers increase the size."),
		::anno::display_name("Frit Scale"),
		::anno::enable_if("frit_weight > 0.0"),
		::anno::in_group("Appearance", "Frit"),
		::anno::soft_range(float2(0.f), float2(2.f))
	]],
	float reflection_transmission_balance = 0.194f [[
		::anno::description("Makes the frit translucent."),
		::anno::display_name("Frit Translucency"),
		::anno::enable_if("frit_weight > 0.0"),
		::anno::in_group("Appearance", "Frit"),
		::anno::hard_range(0.f, 1.f)
	]],
	
// Dirt
	uniform float dirt_layer_weight = 0.0f [[
		::anno::description("Controls the visibility of the dirt layer."),
		::anno::display_name("Dirt Layer Weight"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float dirt_brightness = 0.75f [[
		::anno::description("Sets the brightness of the dirt."),
		::anno::display_name("Dirt Brightness"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float dirt_weight_1 = 0.9f [[
		::anno::description("Dirty dried droplets."),
		::anno::display_name("Dirt 1 Amount"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float dirt_weight_2 = 0.3f [[
		::anno::description("Dirt with the appearance of a dust layer."),
		::anno::display_name("Dirt 2 Amount"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float dirt_weight_3 = 0.f [[
		::anno::description("Dirt which shows some driet water flow stains."),
		::anno::display_name("Dirt 3 Amount"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float dirt_balance = 0.374f [[
		::anno::description("Controls the balance of the dirt textures. A low value makes the dirt more visible, higher values make it less visible while maintaining its contours."),
		::anno::display_name("Dirt Balance"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::hard_range(0.f, 1.f)
	]],
	float2 dirt_scale = float2(1.f) [[
		::anno::description("Larger numbers increase the size."),
		::anno::display_name("Dirt Scale"),
		::anno::enable_if("dirt_layer_weight > 0.0"),
		::anno::in_group("Appearance", "Dirt"),
		::anno::soft_range(float2(0.f), float2(2.f))
	]],

// Smudges
	uniform float smudges_weight = 0.0f [[
		::anno::description("Controls the visibility of the smudge layer."),
		::anno::display_name("Smudge Layer Weight"),
		::anno::in_group("Appearance", "Smudges"),
		::anno::hard_range(0.f, 1.f)
	]],
	float smudges_1_weight = 0.95f [[
		::anno::description("Adjusts the weight of the primary smudges."),
		::anno::display_name("Smudges 1 Weight"),
		::anno::enable_if("smudges_weight > 0.0"),
		::anno::in_group("Appearance", "Smudges"),
		::anno::hard_range(0.f, 1.f)
	]],
	float smudges_2_weight = 0.3f [[
		::anno::description("Adjusts the weight of the secondary smudges."),
		::anno::display_name("Smudges 2 Weight"),
		::anno::enable_if("smudges_weight > 0.0"),
		::anno::in_group("Appearance", "Smudges"),
		::anno::hard_range(0.f, 1.f)
	]],
	float smudge_balance = 0.2f [[
		::anno::description("Balances the coverage of the smudges. A low value makes them more visible, higher make leave only stronger smudges visible."),
		::anno::display_name("Smudge Balance"),
		::anno::enable_if("smudges_weight > 0.0"),
		::anno::in_group("Appearance", "Smudges"),
		::anno::hard_range(0.f, 1.f)
	]],
	float2 smudge_scale = float2(1.f) [[
		::anno::description("Larger numbers increase the size."),
		::anno::display_name("Smudge Scale"),
		::anno::enable_if("smudges_weight > 0.0"),
		::anno::in_group("Appearance", "Smudges"),
		::anno::soft_range(float2(0.f), float2(2.f))
	]],
	
	
//Transform
	float2 texture_translate = float2(0.f) [[
		::anno::description("Controls the position of the texture."),
		::anno::display_name("Texture Translate"),
		::anno::in_group("Transform")
	]],
	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)
	]],
	float2 texture_scale = float2(1.f) [[
		::anno::description("Larger numbers increase the size."),
		::anno::display_name("Texture Scale"),
		::anno::in_group("Transform"),
		::anno::soft_range(float2(0.f), float2(2.f)),
		::nvidia::core_definitions::dimension(float2(1.0f, 1.0f))
	]],
	

// Advanced
	uniform int uv_space_index = 0 [[
		::anno::description("uses the selected UV space index."),
		::anno::display_name("UV Space Index"),
		::anno::in_group("Advanced"),
		::anno::soft_range(0, 4)
	]],
	float3 normal = ::state::normal() [[
		::anno::description("Override this input to provide a custom normal for the material."),
		::anno::display_name("Normal"),
		::anno::in_group("Advanced")
	]]
)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Warm Gray"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "gray", "neutral"))
]]
 = 
	let {
		bool tmp0 = thin_walled;
		material_surface tmp1(
			smudges_weight > 0.f ? ::df::weighted_layer(::math::pow(::math::max(float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_smudges_clouds_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale * smudge_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.0590000004f, 0.050999999f, 0.125f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_smudges_clouds_multi.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * smudge_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0] * smudges_1_weight, float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_smudges_clouds_multi.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale * smudge_scale, ::base::texture_coordinate_uvw, uv_space_index), 10.f, float3(0.0590000004f, 0.050999999f, 0.125f), 8.f, false) : ::base::file_texture(texture_2d("folder_0000/image_0000.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * smudge_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[1] * smudges_2_weight), ::math::lerp(1.f, 3.f, smudge_balance)) * smudges_weight, ::df::microfacet_ggx_smith_bsdf(0.275000006f, 0.275000006f, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), dirt_layer_weight > 0.f ? ::df::weighted_layer(::math::pow(::math::max(::math::max(dirt_weight_1 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], dirt_weight_2 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[1]), dirt_weight_3 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[2]), ::math::lerp(1.f, 4.f, dirt_balance)) * dirt_layer_weight, ::df::weighted_layer(0.603000045f, ::df::diffuse_transmission_bsdf(::nvidia::core_definitions::blend_colors(color(0.00309600006f, 0.00284500001f, 0.00266300002f), color(0.522521973f, 0.43264699f, 0.373656988f), ::base::color_layer_blend, dirt_brightness, true).tint, ""), ::df::diffuse_reflection_bsdf(::nvidia::core_definitions::blend_colors(color(0.00309600006f, 0.00284500001f, 0.00266300002f), color(0.522521973f, 0.43264699f, 0.373656988f), ::base::color_layer_blend, dirt_brightness, true).tint, 0.f, ""), ::state::normal()), ::df::weighted_layer(coating_reflectivity, ::df::specular_bsdf(coating_tint, ::df::scatter_reflect, ""), frit_weight > 0.f ? ::df::weighted_layer(histogram_scan_big(::base::file_texture(texture_2d("./textures/glass_frit_dist.png", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * (frit_scale * 0.00999999978f), ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).mono, 0.0199999996f, 1.f - frit_size * 0.870000005f) * frit_weight, ::df::weighted_layer(reflection_transmission_balance * 0.400000006f, ::df::diffuse_transmission_bsdf(color(1.f, 1.f, 1.f), ""), ::df::custom_curve_layer(0.0580000021f, 1.f, 5.f, 1.f, ::df::microfacet_ggx_smith_bsdf(frit_roughness * frit_roughness, frit_roughness * frit_roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::diffuse_reflection_bsdf(frit_color, 0.f, ""), ::state::normal()), ::state::normal()), thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()) : thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()), ::state::normal()) : ::df::weighted_layer(coating_reflectivity, ::df::specular_bsdf(coating_tint, ::df::scatter_reflect, ""), frit_weight > 0.f ? ::df::weighted_layer(histogram_scan_big(::base::file_texture(texture_2d("./textures/glass_frit_dist.png", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * (frit_scale * 0.00999999978f), ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).mono, 0.0199999996f, 1.f - frit_size * 0.870000005f) * frit_weight, ::df::weighted_layer(reflection_transmission_balance * 0.400000006f, ::df::diffuse_transmission_bsdf(color(1.f, 1.f, 1.f), ""), ::df::custom_curve_layer(0.0580000021f, 1.f, 5.f, 1.f, ::df::microfacet_ggx_smith_bsdf(frit_roughness * frit_roughness, frit_roughness * frit_roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::diffuse_reflection_bsdf(frit_color, 0.f, ""), ::state::normal()), ::state::normal()), thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()) : thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()), ::state::normal()) : dirt_layer_weight > 0.f ? ::df::weighted_layer(::math::pow(::math::max(::math::max(dirt_weight_1 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[0], dirt_weight_2 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[1]), dirt_weight_3 * float3(infinite_tiling ? endless_texture(texture_2d("./textures/glass_dirt_multi_mask.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.0370000005f, 0.0759999976f, 0.0189999994f), 8.f, false) : ::base::file_texture(texture_2d("folder_0000/image_0001.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, dirt_scale * texture_scale, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).tint)[2]), ::math::lerp(1.f, 4.f, dirt_balance)) * dirt_layer_weight, ::df::weighted_layer(0.603000045f, ::df::diffuse_transmission_bsdf(::nvidia::core_definitions::blend_colors(color(0.00309600006f, 0.00284500001f, 0.00266300002f), color(0.522521973f, 0.43264699f, 0.373656988f), ::base::color_layer_blend, dirt_brightness, true).tint, ""), ::df::diffuse_reflection_bsdf(::nvidia::core_definitions::blend_colors(color(0.00309600006f, 0.00284500001f, 0.00266300002f), color(0.522521973f, 0.43264699f, 0.373656988f), ::base::color_layer_blend, dirt_brightness, true).tint, 0.f, ""), ::state::normal()), ::df::weighted_layer(coating_reflectivity, ::df::specular_bsdf(coating_tint, ::df::scatter_reflect, ""), frit_weight > 0.f ? ::df::weighted_layer(histogram_scan_big(::base::file_texture(texture_2d("./textures/glass_frit_dist.png", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * (frit_scale * 0.00999999978f), ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).mono, 0.0199999996f, 1.f - frit_size * 0.870000005f) * frit_weight, ::df::weighted_layer(reflection_transmission_balance * 0.400000006f, ::df::diffuse_transmission_bsdf(color(1.f, 1.f, 1.f), ""), ::df::custom_curve_layer(0.0580000021f, 1.f, 5.f, 1.f, ::df::microfacet_ggx_smith_bsdf(frit_roughness * frit_roughness, frit_roughness * frit_roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::diffuse_reflection_bsdf(frit_color, 0.f, ""), ::state::normal()), ::state::normal()), thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()) : thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()), ::state::normal()) : ::df::weighted_layer(coating_reflectivity, ::df::specular_bsdf(coating_tint, ::df::scatter_reflect, ""), frit_weight > 0.f ? ::df::weighted_layer(histogram_scan_big(::base::file_texture(texture_2d("folder_0000/image_0002.png", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), ::base::mono_average, vmat_transform(texture_translate, texture_rotate, texture_scale * (frit_scale * 0.00999999978f), ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false).mono, 0.0199999996f, 1.f - frit_size * 0.870000005f) * frit_weight, ::df::weighted_layer(reflection_transmission_balance * 0.400000006f, ::df::diffuse_transmission_bsdf(color(1.f, 1.f, 1.f), ""), ::df::custom_curve_layer(0.0580000021f, 1.f, 5.f, 1.f, ::df::microfacet_ggx_smith_bsdf(frit_roughness * frit_roughness, frit_roughness * frit_roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::diffuse_reflection_bsdf(frit_color, 0.f, ""), ::state::normal()), ::state::normal()), thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()) : thin_walled ? ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, transmittance, ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()) : ::df::microfacet_ggx_smith_bsdf(roughness * roughness, roughness * roughness, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect_transmit, ""), ::state::normal()),
			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 = ::base::abbe_number_ior(ior, abbe_number);
		material_volume tmp4 = thin_walled ? material_volume(scattering: vdf(), absorption_coefficient: color(0.f, 0.f, 0.f), scattering_coefficient: color(0.f, 0.f, 0.f)) : material_volume(vdf(), custom_volume_transmittance(units_absorption_thickness, absorption_thickness, transmittance, color(0.f, 0.f, 0.f)).absorption_coefficient, custom_volume_transmittance(units_absorption_thickness, absorption_thickness, transmittance, color(0.f, 0.f, 0.f)).scattering_coefficient);
		material_geometry tmp5(
			float3(0.f),
			1.f,
			normal);
	} in
		material(
			thin_walled: tmp0,
			surface: tmp1,
			backface: tmp2,
			ior: tmp3,
			volume: tmp4,
			geometry: tmp5);
			



// ------------------------------- 8. Glazing Spandrel ------------------------------- 

// 8.2
export material Glass_Glazing_Spandrel_Evergreen(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Evergreen"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_Evergreen.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "green"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.044553f, 0.124741f, 0.089194f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);


// 8.3
export material Glass_Glazing_Spandrel_Dark_Gray(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Dark Gray"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_Dark_Gray.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "gray", "dark"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.067725f, 0.063815f, 0.056374f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);


// 8.4
export material Glass_Glazing_Spandrel_Bronze(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Bronze"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_Bronze.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "bronze"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.101145f, 0.067725f, 0.042987f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);



// 8.5
export material Glass_Glazing_Spandrel_Dark_Blue(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Dark Blue"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_Dark_Blue.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "blue", "cool", "dark"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.016988f, 0.049433f, 0.101145f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);


// 8.6
export material Glass_Glazing_Spandrel_White(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - White"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_White.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "white", "light", "neutral"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.612066f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);


// 8.8
export material Glass_Glazing_Spandrel_Cool_Gray(*)
[[
	::anno::author("NVIDIA vMaterials"),
    ::anno::display_name("Glass Glazing Spandrel - Cool Gray"),
    ::anno::description(DESCRIPTION),
	::anno::copyright_notice(COPYRIGHT),
	::anno::thumbnail("./.thumbs/Glass_Glazing_Spandrel.Glass_Glazing_Spandrel_Cool_Gray.png"),
	::anno::key_words(string[]("glass", "layered", "glazing", "facade", "spandrel", "construction", "outdoor", "indoor", "shiny", "AEC", "smooth", "reflective", "gray", "cool"))
]] = Glass_Glazing_Spandrel
(
	infinite_tiling:		false,
	thin_walled:			false,
	ior:					1.48f,
	abbe_number:			0.0f,
	roughness: 				0.f,
	units_absorption_thickness: unit_m ,
	absorption_thickness:	1.f,
	transmittance: 			color(0.388910f, 0.932277f, 0.781751f),
// Coating	
	coating_reflectivity: 	0.0f,
	coating_tint: 			color(1.f, 1.f, 1.f),
// Frit	
	frit_weight:			1.f,
	frit_color:				color(0.612066f),
	frit_size:				1.0f,
	frit_roughness:			0.0f,
	frit_scale:				float2(1.f),
	reflection_transmission_balance: 0.194f,
// Dirt	
	dirt_layer_weight:		0.0,
	dirt_brightness:		0.75f,
	dirt_weight_1:			0.9f,
	dirt_weight_2:			0.3f,
	dirt_weight_3:			0.f,
	dirt_balance:			0.374f,
	dirt_scale:				float2(1.f),
// Smudges	
	smudges_weight:			0.0f,
	smudges_1_weight:		0.95f,
	smudges_2_weight:		0.4f,
	smudge_balance:			0.2f,
	smudge_scale:			float2(1.f),
//Transform	
	texture_translate:		float2(0.f),
	texture_rotate:			0.f,
	texture_scale: 			float2(1.f),
// Advanced	
	uv_space_index:			0,
	normal:					::state::normal()
);