@luma.gl/shadertools/dist/modules/lighting/ibl/ibl.js

Shader module system for luma.gl

// luma.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
export const iblWGSL = /* wgsl */ `\
#ifdef USE_IBL
@group(2) @binding(auto) var pbr_diffuseEnvSampler: texture_cube<f32>;
@group(2) @binding(auto) var pbr_diffuseEnvSamplerSampler: sampler;
@group(2) @binding(auto) var pbr_specularEnvSampler: texture_cube<f32>;
@group(2) @binding(auto) var pbr_specularEnvSamplerSampler: sampler;
@group(2) @binding(auto) var pbr_brdfLUT: texture_2d<f32>;
@group(2) @binding(auto) var pbr_brdfLUTSampler: sampler;
#endif
`;
export const iblGLSL = /* glsl */ `\
#ifdef USE_IBL
uniform samplerCube pbr_diffuseEnvSampler;
uniform samplerCube pbr_specularEnvSampler;
uniform sampler2D pbr_brdfLUT;
#endif
`;
export const ibl = {
    name: 'ibl',
    firstBindingSlot: 32,
    bindingLayout: [
        { name: 'pbr_diffuseEnvSampler', group: 2 },
        { name: 'pbr_specularEnvSampler', group: 2 },
        { name: 'pbr_brdfLUT', group: 2 }
    ],
    source: iblWGSL,
    vs: iblGLSL,
    fs: iblGLSL
};
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