playcanvas

Version:

Open-source WebGL/WebGPU 3D engine for the web

31 lines (24 loc) • 786 B

JavaScript

var specular_default = (
  /* wgsl */
  `

#ifdef STD_SPECULAR_CONSTANT
    uniform material_specular: vec3f;
#endif

fn getSpecularity() {
    var specularColor = vec3f(1.0, 1.0, 1.0);

    #ifdef STD_SPECULAR_CONSTANT
    specularColor = specularColor * uniform.material_specular;
    #endif

    #ifdef STD_SPECULAR_TEXTURE
    specularColor = specularColor * {STD_SPECULAR_TEXTURE_DECODE}(textureSampleBias({STD_SPECULAR_TEXTURE_NAME}, {STD_SPECULAR_TEXTURE_NAME}Sampler, {STD_SPECULAR_TEXTURE_UV}, uniform.textureBias)).{STD_SPECULAR_TEXTURE_CHANNEL};
    #endif

    #ifdef STD_SPECULAR_VERTEX
    specularColor = specularColor * saturate3(vVertexColor.{STD_SPECULAR_VERTEX_CHANNEL});
    #endif

    dSpecularity = specularColor;
}
`
);
export {
  specular_default as default
};