| /****************************************************************************** |
| * 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 1.6; |
| |
| 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 diamont metal plate material. The added texture reduces the risk of slipping, " |
| "making diamond plate a solution for stairs, catwalks, walkways, and ramps in industrial settings"; |
| |
| |
| 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); |
| } |
| |
| 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]); |
| } |
| |
| 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; |
| } |
| |
| float contrast_brightness( |
| float input = 0.5f, |
| float contrast = 0.5f, |
| float brightness = 0.5f |
| ) |
| { |
| float return_value = contrast > 0.5 ? |
| float(math::clamp((input - 0.5) * 1/(1.000001 - (contrast - 0.5)*2.0) + 0.5, 0.0, 1.0) + (brightness - 0.5) * 2.0) |
| : |
| float(math::clamp((input - 0.5) * contrast * 2.0 + 0.5 + (brightness - 0.5)*2.0, 0.0, 1.0)); |
| |
| return return_value; |
| } |
| |
| float3 transform_internal_to_tangent(float3 n) |
| [[ |
| anno::hidden() |
| ]] |
| { |
| return |
| n.x* float3(state::texture_tangent_u(0).x,state::texture_tangent_v(0).x,state::normal().x)+ |
| n.y* float3(state::texture_tangent_u(0).y,state::texture_tangent_v(0).y,state::normal().y)+ |
| n.z* float3(state::texture_tangent_u(0).z,state::texture_tangent_v(0).z,state::normal().z); |
| } |
| |
| // Returns the normal n in internal space, given n is in tangent space. |
| float3 transform_tangent_to_internal(float3 n) |
| [[ |
| anno::hidden() |
| ]] |
| { |
| return state::texture_tangent_u(0) * n.x + |
| state::texture_tangent_v(0) * n.y + |
| state::normal() * n.z ; |
| } |
| |
| // Returns a normal by adding a detail normal to a global normal. |
| // If detail blending of two normal maps gives visual artifacts, check if texture_2d are loaded |
| // correctly with tex::gamma_linear |
| float3 add_detail_normal(float3 nd = state::normal(), float3 n = state::normal()) |
| { |
| // http://blog.selfshadow.com/publications/blending-in-detail/ |
| float3 n_t = transform_internal_to_tangent(n); |
| float3 nd_t = transform_internal_to_tangent(nd); |
| |
| n_t=n_t + float3(0.,0.,1.); |
| nd_t = nd_t * float3(-1.,-1.,1.); |
| n = n_t*math::dot(n_t, nd_t)/n_t.z - nd_t; |
| return ::math::normalize(transform_tangent_to_internal(n)); |
| } |
| |
| 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_big(float input, float width, float position) |
| { |
| return ::math::clamp( |
| remap_xy_to_0_1(input, |
| ::math::lerp(-width, 1.0, position), |
| ::math::lerp(0.0, 1.0 + width, position)), |
| 0.0, |
| 1.0); |
| } |
| |
| struct vm_coordinates{ |
| float2 uv; |
| float rotation; |
| int uv_space_index; |
| float4 carry; |
| }; |
| |
| 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_scale( |
| vm_coordinates uv = vm_coord(), |
| float2 scale = float2(1.0f) |
| ) |
| { |
| uv.uv /= scale; |
| return uv; |
| } |
| |
| float3 vm_tex_infinite( |
| uniform texture_2d tex = texture_2d(), |
| vm_coordinates uv = vm_coord(), |
| float3 average_color = float3(0.5f, 0.5f, 1.0f), |
| float patch_size = 1.0, |
| bool gamma_correct = true, |
| float gamma = 2.2f |
| ) |
| { |
| float2 uv_in = uv.uv; |
| |
| 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.uv / patch_size); //pre-tilted hexa coordinates |
| int2 I = int2(::math::floor(V))+int2(800); // 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(tex, U-rnd22(I))) - m) |
| + (W[1] = F[1]) * (( ::tex::lookup_float3(tex, U-rnd22(I+int2(0,1)))) - m) |
| + (W[2] = F[0]) * (( ::tex::lookup_float3(tex, U-rnd22(I+int2(1,0)))) - m); |
| else |
| O = (W[0] = -F[2]) * (( ::tex::lookup_float3(tex, U-rnd22(I+int2(1)))) - m) |
| + (W[1] = 1.f - F[1]) * (( ::tex::lookup_float3(tex, U-rnd22(I+int2(1, 0)))) - m) |
| + (W[2] = 1.f - F[0]) * (( ::tex::lookup_float3(tex, U-rnd22(I+int2(0, 1)))) - m); |
| O = m + O/::math::length(W); |
| O = ::math::clamp( (O), 0.0f, 1.0f); |
| |
| return gamma_correct? ::math::pow(::math::max(O, float3(0.0f)), gamma) : float3(O); |
| } |
| |
| ::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); |
| } |
| |
| float3 vm_tex_normal_lookup( |
| uniform texture_2d tex, |
| vm_coordinates uv = vm_coord(), |
| float strength = 1.0f |
| ) |
| { |
| float rot = uv.rotation; |
| // Lookup and convert normal texture to -1 ... 1 range |
| float3 norm = (::tex::lookup_float3(tex, uv.uv, ::tex::wrap_repeat, ::tex::wrap_repeat) - float3(.5f)) * 2.0f; |
| norm = ::math::normalize(norm * float3(strength, strength, 1.0)); |
| // if any rotation happened prior to the lookup, compensate for it |
| norm = float3(::math::cos(rot) * norm.x - ::math::sin(rot) * norm.y, |
| ::math::sin(rot) * norm.x + ::math::cos(rot) * norm.y, |
| norm.z); |
| return norm.x * ::state::texture_tangent_u(uv.uv_space_index) + |
| norm.y * ::state::texture_tangent_v(uv.uv_space_index) + |
| norm.z * ::state::normal(); |
| } |
| |
| export material Diamond_Plate_Quintuple_Tear( |
| float metal_roughness = 0.27f [[ |
| ::anno::description("Higher roughness values lead to bigger highlights and blurrier reflections."), |
| ::anno::display_name("Metal Roughness"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(0) |
| ]], |
| float roughness_variation = 0.05f [[ |
| ::anno::description("Amount of variation applied to the roughness, higher numbers lead to non-uniform reflections of the material."), |
| ::anno::display_name("Roughness Variation"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(1) |
| ]], |
| float pattern_shininess = 0.f [[ |
| ::anno::description("Simulates abrasion of the shape tops by making them more shiny."), |
| ::anno::display_name("Pattern Shininess"), |
| ::anno::in_group("Appearance"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(2) |
| ]], |
| float dirt_amount = 0.f [[ |
| ::anno::description("The amount of dirt applied to the material."), |
| ::anno::display_name("Dirt Amount"), |
| ::anno::in_group("Appearance", "Dirt"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(3) |
| ]], |
| float dirt_weight = 1.f [[ |
| ::anno::description("Makes the dirt transition sharper and more defined."), |
| ::anno::display_name("Dirt Weight"), |
| ::anno::in_group("Appearance", "Dirt"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(4) |
| ]], |
| float dirt_brightness = 0.38f [[ |
| ::anno::description("Amkes the dirt arker or brighter."), |
| ::anno::display_name("Dirt Brightness"), |
| ::anno::in_group("Appearance", "Dirt"), |
| ::anno::hard_range(0.f, 1.f), |
| ::anno::ui_order(5) |
| ]], |
| 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(6) |
| ]], |
| 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(7) |
| ]], |
| 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(1.0f, 1.0f)), |
| ::anno::ui_order(8) |
| ]], |
| uniform int uv_space_index = 0 [[ |
| ::anno::description("Uses selected UV space."), |
| ::anno::display_name("UV Space Index"), |
| ::anno::in_group("Advanced"), |
| ::anno::ui_order(9) |
| ]], |
| 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(10) |
| ]], |
| uniform float roundcorners_radius_mm = 1.5f [[ |
| ::anno::description("Radius of the rounded corners."), |
| ::anno::display_name("Round Corner Radius"), |
| ::anno::in_group("Round Corners"), |
| ::anno::ui_order(11) |
| ]], |
| 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(12) |
| ]]) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Diamond Plate 5x - New Shiny"), |
| ::anno::contributor("Rüdiger Raab"), |
| ::anno::description(DESCRIPTION), |
| ::anno::key_words(string[]("metal", "plate", "diamond", "reflective", "pattern", "safety", "bumped", "embossed", "infinite tiling", "architecture", "naval", "sanitary", "interior", "exterior", "new", "shiny", "gray")), |
| ::anno::thumbnail("./.thumbs/Diamond_Plate_Quintuple_Tear.Diamond_Plate_Quintuple_Tear.png"), |
| ::anno::copyright_notice(COPYRIGHT) |
| ]] |
| = |
| let { |
| |
| float2 texture_rescale = texture_scale * 0.15f; |
| bool tmp0 = false; |
| texture_2d shape_multi_ao_height = texture_2d("./textures/fivetear_shape_multi_R_ao_G_height_B_opacity.jpg", ::tex::gamma_linear); |
| texture_2d shape_norm = texture_2d("./textures/fivetear_shape_norm.jpg", ::tex::gamma_linear); |
| |
| material_surface tmp1(::df::weighted_layer(contrast_brightness(::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f), 0.659999967f, 0.5f), ::df::microfacet_ggx_smith_bsdf(::math::lerp(0.639999986f, histogram_range(vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, roughness_variation * 0.400000006f, metal_roughness * 0.629999995f + 0.0500000007f) + roughness_variation * 0.299999982f * ::math::pow(1.f - float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 1.26999998f), ::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f)) * (1.f - pattern_shininess * float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y) * (::math::lerp(0.639999986f, histogram_range(vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, roughness_variation * 0.400000006f, metal_roughness * 0.629999995f + 0.0500000007f) + roughness_variation * 0.299999982f * ::math::pow(1.f - float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 1.26999998f), ::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f)) * (1.f - pattern_shininess * float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y)), ::math::lerp(0.639999986f, histogram_range(vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, roughness_variation * 0.400000006f, metal_roughness * 0.629999995f + 0.0500000007f) + roughness_variation * 0.299999982f * ::math::pow(1.f - float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 1.26999998f), ::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f)) * (1.f - pattern_shininess * float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y) * (::math::lerp(0.639999986f, histogram_range(vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, roughness_variation * 0.400000006f, metal_roughness * 0.629999995f + 0.0500000007f) + roughness_variation * 0.299999982f * ::math::pow(1.f - float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 1.26999998f), ::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f)) * (1.f - pattern_shininess * float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y)), color(0.387622833f, 0.387622833f, 0.387622833f), color(0.387622833f, 0.387622833f, 0.387622833f), ::state::texture_tangent_u(0), ::df::scatter_reflect), ::df::weighted_layer(1.f, ::df::diffuse_reflection_bsdf(vm_tex_lookup(texture_2d("./textures/dirt.jpg", ::tex::gamma_srgb), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(0.5f)), mono_average, float4(dirt_brightness * 0.620000005f + 0.0599999987f)).tint, 0.f), bsdf(), add_detail_normal(::math::lerp(vm_tex_normal_lookup(texture_2d("./textures/plate_dirt_norm.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), 1.f), ::state::normal(), contrast_brightness(::math::pow(::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f), 0.229999989f), 0.699999988f, 0.5f)), vm_tex_normal_lookup(shape_norm, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), 1.f))), add_detail_normal(::math::lerp(vm_tex_normal_lookup(texture_2d("./textures/plate_dirt_norm.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), 1.f), ::state::normal(), contrast_brightness(::math::pow(::math::clamp(::math::lerp(1.f, histogram_scan_big(vm_tex_infinite(texture_2d("./textures/transition_noise.jpg", ::tex::gamma_linear), vm_coord_post_scale(vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float2(5.f)), float3(0.50999999f), 1.f, true, 2.20000005f).x, 0.620000005f, dirt_amount) + ::math::max(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).y, ::math::pow(float3(vm_tex_lookup(shape_multi_ao_height, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), mono_a, float4(1.f)).tint).x, 0.680000007f) * ::math::pow(1.f - vm_tex_infinite(texture_2d("./textures/plate_dirt.jpg", ::tex::gamma_linear), vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), float3(0.647000015f), 1.f, false, 2.20000005f).x, 0.969999969f)), ::math::pow(dirt_weight, 0.280000001f)), 0.f, 1.f), 0.229999989f), 0.699999988f, 0.5f)), vm_tex_normal_lookup(shape_norm, vm_coord(texture_translate, texture_rotate, texture_rescale, uv_space_index), 1.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 = 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, 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 Diamond_Plate_Quintuple_Tear_Glossy(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Diamond Plate 5x - Glossy"), |
| ::anno::contributor("Rüdiger Raab"), |
| ::anno::description(DESCRIPTION), |
| ::anno::key_words(string[]("metal", "plate", "diamond", "pattern", "safety", "bumped", "embossed", "infinite tiling", "architecture", "naval", "sanitary", "interior", "exterior", "gray", "glossy")), |
| ::anno::thumbnail("./.thumbs/Diamond_Plate_Quintuple_Tear.Diamond_Plate_Quintuple_Tear_Glossy.png"), |
| ::anno::copyright_notice(COPYRIGHT) |
| ]] |
| = Diamond_Plate_Quintuple_Tear ( |
| metal_roughness: 0.4f, |
| roughness_variation: 0.47f, |
| pattern_shininess: 0.0f, |
| dirt_amount: 0.0f, |
| dirt_weight: 1.0f, |
| dirt_brightness: 0.38f, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| roundcorners_enable: false, |
| roundcorners_radius_mm: 1.5f, |
| roundcorners_across_materials: false |
| ); |
| |
| |
| // 3 |
| export material Diamond_Plate_Quintuple_Tear_Shiny_Tops(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Diamond Plate 5x - Shiny Tops"), |
| ::anno::contributor("Rüdiger Raab"), |
| ::anno::description(DESCRIPTION), |
| ::anno::key_words(string[]("metal", "plate", "diamond", "pattern", "safety", "bumped", "embossed", "infinite tiling", "architecture", "naval", "sanitary", "interior", "exterior", "shiny", "gray")), |
| ::anno::thumbnail("./.thumbs/Diamond_Plate_Quintuple_Tear.Diamond_Plate_Quintuple_Tear_Shiny_Tops.png"), |
| ::anno::copyright_notice(COPYRIGHT) |
| ]] |
| = Diamond_Plate_Quintuple_Tear ( |
| metal_roughness: 0.4f, |
| roughness_variation: 0.47f, |
| pattern_shininess: 0.75f, |
| dirt_amount: 0.0f, |
| dirt_weight: 1.0f, |
| dirt_brightness: 0.38f, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| roundcorners_enable: false, |
| roundcorners_radius_mm: 1.5f, |
| roundcorners_across_materials: false |
| ); |
| |
| // 4 |
| export material Diamond_Plate_Quintuple_Tear_Matte_Aged(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Diamond Plate 5x - Matte Aged"), |
| ::anno::contributor("Rüdiger Raab"), |
| ::anno::description(DESCRIPTION), |
| ::anno::key_words(string[]("metal", "plate", "diamond", "pattern", "safety", "bumped", "embossed", "infinite tiling", "architecture", "naval", "sanitary", "interior", "exterior", "matte", "aged", "gray")), |
| ::anno::thumbnail("./.thumbs/Diamond_Plate_Quintuple_Tear.Diamond_Plate_Quintuple_Tear_Matte_Aged.png"), |
| ::anno::copyright_notice(COPYRIGHT) |
| ]] |
| = Diamond_Plate_Quintuple_Tear ( |
| metal_roughness: 0.63f, |
| roughness_variation: 0.72f, |
| pattern_shininess: 0.0f, |
| dirt_amount: 0.0f, |
| dirt_weight: 1.0f, |
| dirt_brightness: 0.4f, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| roundcorners_enable: false, |
| roundcorners_radius_mm: 1.5f, |
| roundcorners_across_materials: false |
| ); |
| |
|
|
| // 5 |
| export material Diamond_Plate_Quintuple_Tear_Dirty_Worn(*) |
| [[ |
| ::anno::author("NVIDIA vMaterials"), |
| ::anno::display_name("Diamond Plate 5x - Dirty Worn"), |
| ::anno::contributor("Rüdiger Raab"), |
| ::anno::description(DESCRIPTION), |
| ::anno::key_words(string[]("metal", "plate", "diamond", "pattern", "safety", "bumped", "embossed", "infinite tiling", "architecture", "naval", "sanitary", "interior", "exterior", "shiny", "gray", "worn", "old", "dirty", "decayed")), |
| ::anno::thumbnail("./.thumbs/Diamond_Plate_Quintuple_Tear.Diamond_Plate_Quintuple_Tear_Dirty_Worn.png"), |
| ::anno::copyright_notice(COPYRIGHT) |
| ]] |
| = Diamond_Plate_Quintuple_Tear ( |
| metal_roughness: 0.38f, |
| roughness_variation: 0.53f, |
| pattern_shininess: 0.0f, |
| dirt_amount: 0.38f, |
| dirt_weight: 1.0f, |
| dirt_brightness: 0.4f, |
| texture_translate: float2(0.0f), |
| texture_rotate: 0.0f, |
| texture_scale: float2(1.0f), |
| uv_space_index: 0, |
| roundcorners_enable: false, |
| roundcorners_radius_mm: 1.5f, |
| roundcorners_across_materials: false |
| ); |
