| /****************************************************************************** |
| * 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 ::math::*; |
| import ::state::*; |
| import ::std::*; |
| import ::tex::*; |
| import ::df::*; |
| 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"; |
| |
| const string DESCRIPTION = "Brushed metal material with adjustable settings for the brushing"; |
| |
| |
| float histogram_range(float input, float range, float position) |
| { |
| 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); |
| } |
| |
| ::base::texture_coordinate_info vmat_transform( |
| uniform float2 translation = float2(0.0, 0.0), |
| uniform float rotation = 0.0, |
| uniform 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 ::base::transform_coordinate(scale*rotate, ::base::coordinate_source(system, uv_space)); |
| } |
| |
|
|
| export material Copper_Brushed( |
| float brush_width = 1.0f [[ |
| ::anno::display_name("Roughness Width"), |
| ::anno::description("Widens the anisotropic metal reflections which leads to a stronger effect of " |
| "the metal brushing."), |
| ::anno::hard_range(0.0f, 1.0f), |
| ::anno::in_group("Appearance") |
| ]], |
| float brush_height_blur = 0.75f [[ |
| ::anno::display_name("Roughness Height"), |
| ::anno::description("Increases the anisotropy of the brushed metal, blurring the reflections."), |
| ::anno::hard_range(0.0f, 1.0f), |
| ::anno::in_group("Appearance") |
| ]], |
| float scratch_variation_amount = 1.f [[ |
| ::anno::description("Adds a bit variation to the roughness of the brushing pattern in the form of occasional scratches that sprea dout in a wider range."), |
| ::anno::display_name("Scratch Variation Amount"), |
| ::anno::hard_range(0.0f, 1.0f), |
| ::anno::in_group("Appearance") |
| ]], |
| float scratch_reflection_variation = 0.4f [[ |
| ::anno::description("Attenuates the reflection of the brushed metal which will also make the material appear darker."), |
| ::anno::display_name("Scratch Reflection Variation"), |
| ::anno::hard_range(0.0f, 1.0f), |
| ::anno::in_group("Appearance") |
| ]], |
| float scratches_bump = 0.65f [[ |
| ::anno::description("Introduces normal-mapped scratches which further add to the realistic appearance of the surface. However, this might become for the renderer more difficult to resolve."), |
| ::anno::display_name("Scratches Bump Amount"), |
| ::anno::hard_range(0.0f, 1.0f), |
| ::anno::in_group("Appearance") |
| ]], |
| uniform bool enable_round_corners = false [[ |
| ::anno::display_name("Enable Round Corners"), |
| ::anno::in_group("Round Corners") |
| ]], |
| uniform float roundcorner_radius = 0.01f [[ |
| ::anno::display_name("Round Corner Radius"), |
| ::anno::description("Adjusts the radius of the round corner effect."), |
| ::anno::soft_range(0.0f, 0.1f), |
| ::anno::in_group("Round Corners") |
| ]], |
| uniform bool across_materials = false [[ |
| ::anno::display_name("Across Materials"), |
| ::anno::description("Applies the rounded corner effect also between other materials."), |
| ::anno::in_group("Round Corners") |
| ]], |
| uniform float2 texture_translate = float2(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("Rotates angle of the texture in degrees."), |
| ::anno::in_group("Transform") |
| ]], |
| uniform float2 texture_scale = float2(1.f) [[ |
| ::anno::display_name("Scale"), |
| ::anno::description("Larger numbers increase the size."), |
| ::nvidia::core_definitions::dimension(float2(0.75f, 0.75f)), |
| ::anno::in_group("Transform") |
| ]], |
| uniform int uv_space_index = 0 [[ |
| ::anno::display_name("UV Space Index"), |
| ::anno::description("Use selected UV space for material."), |
| ::anno::in_group("Advanced") |
| ]] |
| ) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Brushed Copper - Strong Brushing"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::thumbnail("./.thumbs/Copper_Brushed.Copper_Brushed.png"), |
| ::anno::key_words(string[]("aec", "metal", "copper", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) |
| ]] |
| = |
| let { |
| color normal_reflectivity = color(0.9654565f, 0.6899602f, 0.4830392f); |
| color grazing_reflectivity = color(0.99942f, 1.f, 1.f); |
| |
| bool tmp0 = false; |
| material_surface tmp1( |
| ::df::color_custom_curve_layer(::nvidia::core_definitions::blend_colors(normal_reflectivity, color(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]), ::base::color_layer_multiply, scratch_reflection_variation).tint, ::nvidia::core_definitions::blend_colors(grazing_reflectivity, color(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]), ::base::color_layer_multiply, scratch_reflection_variation).tint, 5.f, color(1.f, 1.f, 1.f), ::df::weighted_layer(0.0900000036f, ::df::microfacet_ggx_smith_bsdf(0.399000019f, 0.399000019f, color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::df::microfacet_ggx_smith_bsdf(::math::lerp(histogram_range(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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], 0.183000013f, ::math::lerp(0.100000001f, 0.400000006f, brush_width)), 0.376000017f, scratch_variation_amount * float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]) * ::math::lerp(histogram_range(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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], 0.183000013f, ::math::lerp(0.100000001f, 0.400000006f, brush_width)), 0.376000017f, scratch_variation_amount * float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]), ::math::lerp(histogram_range(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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], 0.100000001f, ::math::lerp(0.0500000007f, 0.25f, brush_height_blur)), 0.376000017f, scratch_variation_amount * float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]) * ::math::lerp(histogram_range(float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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], 0.100000001f, ::math::lerp(0.0500000007f, 0.25f, brush_height_blur)), 0.376000017f, scratch_variation_amount * float3(::base::file_texture(texture_2d("./textures/brushed_metal_linear_R_rough_G_scratchvar_B_impurities.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 * 0.25f, ::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]), color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::math::lerp(::state::normal(), ::base::tangent_space_normal_texture(texture_2d("./textures/brushed_metal_linear_norm.jpg", ::tex::gamma_linear), 1.f, false, false, vmat_transform(texture_translate, texture_rotate, texture_scale * 0.25f, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false, 1.f, 0.f), scratches_bump)), bsdf(), ::math::lerp(::state::normal(), ::base::tangent_space_normal_texture(texture_2d("./textures/brushed_metal_linear_norm.jpg", ::tex::gamma_linear), 1.f, false, false, vmat_transform(texture_translate, texture_rotate, texture_scale * 0.25f, ::base::texture_coordinate_uvw, uv_space_index), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false, 1.f, 0.f), scratches_bump)), |
| 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 = 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 = enable_round_corners ? material_geometry(float3(0.f), 1.f, ::state::rounded_corner_normal(roundcorner_radius, across_materials, 1.f)) : material_geometry(float3(0.f), 1.f, ::state::normal()); |
| } in |
| material( |
| thin_walled: tmp0, |
| surface: tmp1, |
| backface: tmp2, |
| ior: tmp3, |
| volume: tmp4, |
| geometry: tmp5); |
| |
|
|
|
|
| export material Copper_Brushed_Light_Brushing(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Brushed Copper - Light Brushing"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::thumbnail("./.thumbs/Copper_Brushed.Copper_Brushed_Light_Brushing.png"), |
| ::anno::key_words(string[]("aec", "metal", "copper", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) |
| ]] |
| = Copper_Brushed ( |
| brush_width: 0.225f, |
| brush_height_blur: 0.035f, |
| scratch_variation_amount: 1.0f, |
| scratch_reflection_variation: 0.4f, |
| scratches_bump: 0.2f, |
| enable_round_corners: false, |
| roundcorner_radius: 0.01f, |
| across_materials: false, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0 |
| ); |
| |
|
|
|
|
| export material Copper_Brushed_Medium_Light_Brushing(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Brushed Copper - Medium Light Brushing"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::thumbnail("./.thumbs/Copper_Brushed.Copper_Brushed_Medium_Light_Brushing.png"), |
| ::anno::key_words(string[]("aec", "metal", "copper", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) |
| ]] |
| = Copper_Brushed ( |
| brush_width: 0.361f, |
| brush_height_blur: 0.204f, |
| scratch_variation_amount: 1.0f, |
| scratch_reflection_variation: 0.559f, |
| scratches_bump: 0.35f, |
| enable_round_corners: false, |
| roundcorner_radius: 0.01f, |
| across_materials: false, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0 |
| ); |
| |
| |
| |
| export material Copper_Brushed_Medium_Brushing(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Brushed Copper - Medium Brushing"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::thumbnail("./.thumbs/Copper_Brushed.Copper_Brushed_Medium_Brushing.png"), |
| ::anno::key_words(string[]("aec", "metal", "copper", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) |
| ]] |
| = Copper_Brushed ( |
| brush_width: 0.665f, |
| brush_height_blur: 0.471f, |
| scratch_variation_amount: 1.0f, |
| scratch_reflection_variation: 0.621f, |
| scratches_bump: 0.5f, |
| enable_round_corners: false, |
| roundcorner_radius: 0.01f, |
| across_materials: false, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0 |
| ); |
| |
|
|
| export material Copper_Brushed_Very_Strong_Brushing(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Brushed Copper - Very Strong Brushing"), |
| ::anno::description(DESCRIPTION), |
| ::anno::copyright_notice(COPYRIGHT), |
| ::anno::thumbnail("./.thumbs/Copper_Brushed.Copper_Brushed_Very_Strong_Brushing.png"), |
| ::anno::key_words(string[]("aec", "metal", "copper", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) |
| ]] |
| = Copper_Brushed ( |
| brush_width: 1.0f, |
| brush_height_blur: 1.0f, |
| scratch_variation_amount: 1.0f, |
| scratch_reflection_variation: 0.824f, |
| scratches_bump: 1.0f, |
| enable_round_corners: false, |
| roundcorner_radius: 0.01f, |
| across_materials: false, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0 |
| ); |
| |
| |
| |
| |
| |
