| /****************************************************************************** |
| <<<<<<< .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 |
| ); |
