| /****************************************************************************** | |
| * 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 Chromium_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::description("Controls the position of the texture."), | |
| ::anno::display_name("Translate"), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform float texture_rotate = 0.f [[ | |
| ::anno::description("Rotates angle of the texture in degrees."), | |
| ::anno::display_name("Rotate"), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform float2 texture_scale = float2(1.f) [[ | |
| ::anno::description("Larger numbers increase the size."), | |
| ::anno::display_name("Scale"), | |
| ::nvidia::core_definitions::dimension(float2(0.75f, 0.75f)), | |
| ::anno::in_group("Transform") | |
| ]], | |
| uniform int uv_space_index = 0 [[ | |
| ::anno::description("Use selected UV space for material."), | |
| ::anno::display_name("UV Space Index"), | |
| ::anno::in_group("Advanced") | |
| ]] | |
| ) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Brushed Chromium - Strong Brushing"), | |
| ::anno::description(DESCRIPTION), | |
| ::anno::copyright_notice(COPYRIGHT), | |
| ::anno::thumbnail("./.thumbs/Chromium_Brushed.Chromium_Brushed.png"), | |
| ::anno::key_words(string[]("aec", "metal", "chromium", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) | |
| ]] | |
| = | |
| let { | |
| color normal_reflectivity = color(0.549302f, 0.5560554f, 0.5542377f); | |
| 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 Chromium_Brushed_Light_Brushing(*) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Brushed Chromium - Light Brushing"), | |
| ::anno::description(DESCRIPTION), | |
| ::anno::copyright_notice(COPYRIGHT), | |
| ::anno::thumbnail("./.thumbs/Chromium_Brushed.Chromium_Brushed_Light_Brushing.png"), | |
| ::anno::key_words(string[]("aec", "metal", "chromium", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) | |
| ]] | |
| = Chromium_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 Chromium_Brushed_Medium_Light_Brushing(*) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Brushed Chromium - Medium Light Brushing"), | |
| ::anno::description(DESCRIPTION), | |
| ::anno::copyright_notice(COPYRIGHT), | |
| ::anno::thumbnail("./.thumbs/Chromium_Brushed.Chromium_Brushed_Medium_Light_Brushing.png"), | |
| ::anno::key_words(string[]("aec", "metal", "chromium", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) | |
| ]] | |
| = Chromium_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 Chromium_Brushed_Medium_Brushing(*) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Brushed Chromium - Medium Brushing"), | |
| ::anno::description(DESCRIPTION), | |
| ::anno::copyright_notice(COPYRIGHT), | |
| ::anno::thumbnail("./.thumbs/Chromium_Brushed.Chromium_Brushed_Medium_Brushing.png"), | |
| ::anno::key_words(string[]("aec", "metal", "chromium", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) | |
| ]] | |
| = Chromium_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 Chromium_Brushed_Very_Strong_Brushing(*) | |
| [[ | |
| ::anno::author("NVIDIA vMaterials"), | |
| ::anno::display_name("Brushed Chromium - Very Strong Brushing"), | |
| ::anno::description(DESCRIPTION), | |
| ::anno::copyright_notice(COPYRIGHT), | |
| ::anno::thumbnail("./.thumbs/Chromium_Brushed.Chromium_Brushed_Very_Strong_Brushing.png"), | |
| ::anno::key_words(string[]("aec", "metal", "chromium", "brushed", "kitchen", "design", "modern", "reflective", "shiny", "architecture", "sanitary", "new", "gray", "neutral")) | |
| ]] | |
| = Chromium_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 | |
| ); | |