| /****************************************************************************** |
| * 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 = "A natural stone material."; |
| |
| int lowbias32(int x) |
| { |
| x ^= x >>> 16; |
| x *= 0x7feb352d; |
| x ^= x >>> 15; |
| x *= 0x846ca68b; |
| x ^= x >>> 16; |
| return x; |
| } |
| |
| float uint2float(int x) |
| { |
| return float(x & 0x7FFFFFFF) + (x < 0 ? 2147483648.0 : 0.0); |
| } |
| |
| 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; |
| } |
| |
| 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 srgb2rgb(float3 val) |
| { |
| return ::math::pow(::math::max(val, float3(0.0f)), 2.2); |
| } |
| |
| float3 rgb2srgb(float3 val) [[ anno::unused() ]] { |
| return ::math::pow( ::math::max(val, float3(0.f)), float3(1./2.2) ); |
| } |
| |
| 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 |
| |
| 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) |
| + (W[1] = F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0,1)))) - m) |
| + (W[2] = F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1,0)))) - m); |
| else |
| O = (W[0] = -F[2]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1)))) - m) |
| + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(1, 0)))) - m) |
| + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(texture, U/Z-rnd22(I+int2(0, 1)))) - m); |
| O = m + O/::math::length(W); |
| O = ::math::clamp( (O), 0.0, 1.0); |
| |
| return float3(O); |
| } |
| |
| ::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() |
| ]] |
| { |
| // Version 2 |
| float4 r_position = transform * float4(coordinate.position.x,coordinate.position.y,coordinate.position.z,1); |
| //Hack: try aproximating it for the case that the rotation is only aroud z and assuming the texture layout is nice and z is ~constant. |
| //just pretend there is no other rotation happening |
| //get rid of scaling and translation. Then extract fields where sin and cos would be in a simple 2d transform around z. |
| float4 u = transform[0]; |
| float3 ru = ::math::normalize(float3(u.x,u.y,u.z)); |
| float cos = ru.x; |
| float sin = -ru.y; |
| |
| |
| return ::base::texture_coordinate_info( |
| float3(r_position.x,r_position.y,r_position.z), |
| math::normalize(cos * coordinate.tangent_u - sin * coordinate.tangent_v), |
| math::normalize(cos * coordinate.tangent_v + sin * coordinate.tangent_u)); |
| } |
| |
| float3 endless_normal( |
| uniform texture_2d texture = texture_2d(), |
| float factor = 1.0, |
| bool flip_tangent_u = false, |
| bool flip_tangent_v = false, |
| ::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 srgb2rgb = false, |
| //bool rgb2srgb = false |
| ) |
| { |
| float3 transformed_tangent_u = flip_tangent_u ? uvw.tangent_u : - uvw.tangent_u; |
| float3 transformed_tangent_v = flip_tangent_v ? uvw.tangent_v : - uvw.tangent_v; |
| |
| if (flip_tangent_u) |
| transformed_tangent_u=-transformed_tangent_u; |
| if (flip_tangent_v) |
| transformed_tangent_v=-transformed_tangent_v; |
| |
| // normalized Lookup |
| float3 tangent_space_normal = |
| (nonrepeat_lookup ( |
| texture: texture, |
| uvw: uvw, |
| texture_scale: texture_scale, |
| average_color: average_color, |
| patch_size: patch_size |
| ) - 0.5) * (2.0 * factor); |
| |
| |
| return ::math::normalize(uvw.tangent_u * tangent_space_normal.x + |
| uvw.tangent_v * tangent_space_normal.y + |
| state::normal()*1.0); |
| //return state::normal(); |
| } |
| |
| 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); |
| } |
| |
| 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, .5), |
| 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 |
| )); |
| } |
| |
| ::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)); |
| } |
| |
| struct volume_info |
| [[ |
| ::anno::hidden() |
| ]] |
| { |
| color absorption_coefficient; |
| color scattering_coefficient; |
| }; |
| |
| 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) |
| ) |
| [[ |
| 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); |
| } |
| |
|
|
| export material Volga_Blue( |
| uniform bool infinite_tiling = false [[ |
| ::anno::description("Enables infinite tiling feature that 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"), |
| ::anno::ui_order(0) |
| ]], |
| float diffuse_brightness = .5f [[ |
| ::anno::description("Adjusts the lightness of the material."), |
| ::anno::display_name("Brightness"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(1) |
| ]], |
| float reflection_roughness = 0.7f [[ |
| ::anno::description("Higher roughness values lead to bigger highlights and blurrier reflections."), |
| ::anno::display_name("Roughness"), |
| ::anno::in_group("Appearance", "Reflection"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(2) |
| ]], |
| float reflection_roughness_dust = 0.f [[ |
| ::anno::description("Applies a roughness layer of dust."), |
| ::anno::display_name("Dust"), |
| ::anno::in_group("Appearance", "Reflection"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(3) |
| ]], |
| float reflection_roughness_scratches = 0.f [[ |
| ::anno::description("Applies a roughness layer of scratches."), |
| ::anno::display_name("Scratches"), |
| ::anno::in_group("Appearance", "Reflection"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(4) |
| ]], |
| float reflection_roughness_smudges = 0.f [[ |
| ::anno::description("Applies a roughness layer of smudges."), |
| ::anno::display_name("Smudges"), |
| ::anno::in_group("Appearance", "Reflection"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(5) |
| ]], |
| float reflection_roughness_blue_stones = 0.25f [[ |
| ::anno::description("Adds the blue reflection of specific stones inside of Volga Blue. This is direct connected with the grazing reflectivity."), |
| ::anno::display_name("Blue Stones"), |
| ::anno::in_group("Appearance", "Reflection"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(6) |
| ]], |
| uniform float bump_strength = 1.f [[ |
| ::anno::description("Specifies the strength of the bump."), |
| ::anno::display_name("Bump Strength"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(7) |
| ]], |
| uniform bool subsurface_scattering = false [[ |
| ::anno::description("Enable light that penetrates the surface of a translucent object. While set to True it\'s a physically correct calculated SSS effect. If set to False it\'s a diffuse transmission that is cheaper to perform."), |
| ::anno::display_name("Subsurface Scattering"), |
| ::anno::in_group("Advanced"), |
| ::anno::ui_order(8) |
| ]], |
| uniform float translucency_amount = 0.25f [[ |
| ::anno::description("Describes how far light passes through the material."), |
| ::anno::display_name("Translucency Amount"), |
| ::anno::in_group("Advanced"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(9) |
| ]], |
| float2 texture_translate = float2(0.f) [[ |
| ::anno::description("Controls the position of the texture."), |
| ::anno::display_name("Texture Translate"), |
| ::anno::in_group("Transform"), |
| ::anno::ui_order(10) |
| ]], |
| float texture_rotate = 0.f [[ |
| ::anno::description("Rotates angle of the texture in degrees."), |
| ::anno::display_name("Texture Rotate"), |
| ::anno::in_group("Transform"), |
| ::anno::ui_order(11) |
| ]], |
| float2 texture_scale = float2(1.f) [[ |
| ::anno::description("Larger numbers increase the size."), |
| ::anno::display_name("Texture Scale"), |
| ::anno::in_group("Transform"), |
| ::nvidia::core_definitions::dimension(float2(1.0f, 1.0f)), |
| ::anno::ui_order(12) |
| ]], |
| 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(13) |
| ]], |
| uniform bool enable_round_corners = 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("Round Corners"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(14) |
| ]], |
| uniform float radius = 1.5f [[ |
| ::anno::description("Radius of the rounded corners in millimeters (mm)."), |
| ::anno::display_name("Radius mm"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(15) |
| ]], |
| uniform bool across_materials = true [[ |
| ::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(16) |
| ]]) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Volga Blue"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("stone", "rock", "infinite tiling", "natural", "rough", "bumped", "interior", "exterior", "hard")), |
| ::anno::thumbnail("./.thumbs/Volga_Blue.Volga_Blue.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = |
| let { |
| bool tmp0 = false; |
| material_surface tmp1(df::custom_curve_layer(0.0399999991f, 1.f, 5.f, 1.f, df::microfacet_ggx_smith_bsdf((math::max(math::max(histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.519999981f) * reflection_roughness_dust, histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * reflection_roughness_scratches), histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.550000012f) * reflection_roughness_smudges) + histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, math::lerp(0.f, 0.899999976f, reflection_roughness))) * (math::max(math::max(histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.519999981f) * reflection_roughness_dust, histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * reflection_roughness_scratches), histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.550000012f) * reflection_roughness_smudges) + histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, math::lerp(0.f, 0.899999976f, reflection_roughness))), (math::max(math::max(histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.519999981f) * reflection_roughness_dust, histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * reflection_roughness_scratches), histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.550000012f) * reflection_roughness_smudges) + histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, math::lerp(0.f, 0.899999976f, reflection_roughness))) * (math::max(math::max(histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.519999981f) * reflection_roughness_dust, histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * reflection_roughness_scratches), histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.231372997f, 0.172548994f, 0.309803993f), 8.f, false) : base::file_texture(texture_2d("./textures/multi_R_dust_G_scratches_B_smudges.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.550000012f) * reflection_roughness_smudges) + histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, math::lerp(0.f, 0.899999976f, reflection_roughness))), color(1.f, 1.f, 1.f), state::texture_tangent_u(0), df::scatter_reflect), df::custom_curve_layer(0.0399999991f, 1.f, 5.f, reflection_roughness_blue_stones, df::microfacet_ggx_smith_bsdf(histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f), histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f) * histogram_range(float3(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.941175997f, 0.603922009f, 0.713724971f), 8.f, false) : base::file_texture(texture_2d("./textures/volga_blue_multi_R_trans_G_height_B_rough.jpg", ::tex::gamma_linear), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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], 1.f, 0.5f), color(0.00453099981f, 0.013913f, 0.330343992f), state::texture_tangent_u(0), df::scatter_reflect), df::weighted_layer(translucency_amount * 0.5f, df::diffuse_transmission_bsdf(color(0.74841398f, 0.74841398f, 0.74841398f)), df::diffuse_reflection_bsdf(nvidia::core_definitions::blend_colors(infinite_tiling ? endless_texture(texture_2d("./textures/volga_blue_diff.jpg", ::tex::gamma_linear), vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.376471013f, 0.372548997f, 0.392156988f), 8.f, true) : base::file_texture(texture_2d("./textures/volga_blue_diff.jpg", ::tex::gamma_srgb), color(0.f, 0.f, 0.f), color(1.f, 1.f, 1.f), base::mono_alpha, vmat_transform(texture_translate, texture_rotate, 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, color(0.f, 0.f, 0.f), base::color_layer_multiply, math::lerp(0.f, -3.f, diffuse_brightness)).tint, 0.5f), state::normal()), state::normal()), infinite_tiling ? endless_normal(texture_2d("./textures/volga_blue_norm.jpg", ::tex::gamma_linear), math::lerp(0.f, 5.f, bump_strength), false, false, vmat_transform(texture_translate, texture_rotate, texture_scale, base::texture_coordinate_uvw, uv_space_index), 8.f, float3(0.494118005f, 0.501960993f, 1.f), 8.f) : base::tangent_space_normal_texture(texture_2d("./textures/volga_blue_norm.jpg", ::tex::gamma_linear), math::lerp(0.f, 5.f, bump_strength), false, false, base::texture_coordinate_info(state::texture_coordinate(0), state::texture_tangent_u(0), state::texture_tangent_v(0)), float2(0.f, 1.f), float2(0.f, 1.f), tex::wrap_repeat, tex::wrap_repeat, false, 1.f, 0.f)), 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 = subsurface_scattering ? material_volume(vdf(), volume_transmittance_albedo(translucency_amount, color(0.132868007f, 0.132868007f, 0.132868007f), color(1.f, 1.f, 1.f)).absorption_coefficient, volume_transmittance_albedo(translucency_amount, color(0.132868007f, 0.132868007f, 0.132868007f), color(1.f, 1.f, 1.f)).scattering_coefficient) : material_volume(scattering: vdf(), absorption_coefficient: color(0.f, 0.f, 0.f), scattering_coefficient: color(0.f, 0.f, 0.f)); |
| material_geometry tmp5(float3(0.f), 1.f, enable_round_corners ? state::rounded_corner_normal(radius * 0.00100000005f, across_materials, 1.f) : state::normal()); |
| } in |
| material( |
| thin_walled: tmp0, |
| surface: tmp1, |
| backface: tmp2, |
| ior: tmp3, |
| volume: tmp4, |
| geometry: tmp5); |
| |
| |
| export material Volga_Blue_Darken(*) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Volga Blue - Darken"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("stone", "rock", "infinite tiling", "natural", "rough", "bumped", "interior", "exterior", "hard", "dark")), |
| ::anno::thumbnail("./.thumbs/Volga_Blue.Volga_Blue_Darken.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Volga_Blue ( |
| infinite_tiling: false, |
| diffuse_brightness: 0.f, |
| reflection_roughness: .3f, |
| reflection_roughness_dust: .1f, |
| reflection_roughness_scratches: .1f, |
| reflection_roughness_smudges: .1f, |
| reflection_roughness_blue_stones: .25f, |
| bump_strength: 1.f, |
| subsurface_scattering: false, |
| translucency_amount: .25f, |
| texture_translate: float2(0.f), |
| texture_rotate: .0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: false |
| ); |
| |
| export material Volga_Blue_Deep_Pollished(*) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Volga Blue - Deep Polished"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("stone", "rock", "infinite tiling", "natural", "rough", "bumped", "interior", "exterior", "hard", "shiny", "polished")), |
| ::anno::thumbnail("./.thumbs/Volga_Blue.Volga_Blue_Deep_Pollished.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Volga_Blue ( |
| infinite_tiling: false, |
| diffuse_brightness: .2f, |
| reflection_roughness: .1f, |
| reflection_roughness_dust: .1f, |
| reflection_roughness_scratches: .1f, |
| reflection_roughness_smudges: .1f, |
| reflection_roughness_blue_stones: 1.f, |
| bump_strength: 0.f, |
| subsurface_scattering: false, |
| translucency_amount: .25f, |
| texture_translate: float2(0.f), |
| texture_rotate: .0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: false |
| ); |
| |
| export material Volga_Blue_Bright_Blue(*) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Volga Blue - Bright Blue"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("stone", "rock", "infinite tiling", "natural", "rough", "bumped", "interior", "exterior", "hard", "shiny", "bright", "light")), |
| ::anno::thumbnail("./.thumbs/Volga_Blue.Volga_Blue_Bright_Blue.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Volga_Blue ( |
| infinite_tiling: false, |
| diffuse_brightness: 1.f, |
| reflection_roughness: .7f, |
| reflection_roughness_dust: .2f, |
| reflection_roughness_scratches: 0.f, |
| reflection_roughness_smudges: 0.f, |
| reflection_roughness_blue_stones: 1.f, |
| bump_strength: .2f, |
| subsurface_scattering: false, |
| translucency_amount: .5f, |
| texture_translate: float2(0.f), |
| texture_rotate: .0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: false |
| ); |
| |
| export material Volga_Blue_Imperfections(*) |
| [[ |
| ::anno::description(DESCRIPTION), |
| ::anno::display_name("Volga Blue - Imperfections"), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::key_words(string[]("stone", "rock", "infinite tiling", "natural", "rough", "bumped", "interior", "exterior", "hard", "imperfections", "bright", "light", "dust", "smudges", "scratches")), |
| ::anno::thumbnail("./.thumbs/Volga_Blue.Volga_Blue_Imperfections.png"), |
| ::anno::author("Nvidia vMaterials"), |
| ::anno::contributor("Maik Rohland"), |
| ::anno::contributor("Ruediger Raab") |
| ]] |
| = Volga_Blue ( |
| infinite_tiling: false, |
| diffuse_brightness: .5f, |
| reflection_roughness: .4f, |
| reflection_roughness_dust: .7f, |
| reflection_roughness_scratches: .95f, |
| reflection_roughness_smudges: 0.55f, |
| reflection_roughness_blue_stones: .3f, |
| bump_strength: .1f, |
| subsurface_scattering: false, |
| translucency_amount: .25f, |
| texture_translate: float2(0.f), |
| texture_rotate: .0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| enable_round_corners: false, |
| radius: 1.5f, |
| across_materials: false |
| ); |
