@babylonjs/core/Shaders/ShadersInclude/pbrBlockAlphaFresnel.js

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// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "pbrBlockAlphaFresnel";
const shader = `#ifdef ALPHAFRESNEL
#if defined(ALPHATEST) || defined(ALPHABLEND)
struct alphaFresnelOutParams
{float alpha;};
#define pbr_inline
alphaFresnelOutParams alphaFresnelBlock(
in vec3 normalW,
in vec3 viewDirectionW,
in float alpha,
in float microSurface
)
{alphaFresnelOutParams outParams;float opacityPerceptual=alpha;
#ifdef LINEARALPHAFRESNEL
float opacity0=opacityPerceptual;
#else
float opacity0=opacityPerceptual*opacityPerceptual;
#endif
float opacity90=fresnelGrazingReflectance(opacity0);vec3 normalForward=faceforward(normalW,-viewDirectionW,normalW);outParams.alpha=getReflectanceFromAnalyticalBRDFLookup_Jones(saturate(dot(viewDirectionW,normalForward)),vec3(opacity0),vec3(opacity90),sqrt(microSurface)).x;
#ifdef ALPHATEST
if (outParams.alpha<ALPHATESTVALUE)
discard;
#ifndef ALPHABLEND
outParams.alpha=1.0;
#endif
#endif
return outParams;}
#endif
#endif
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStore[name]) {
    ShaderStore.IncludesShadersStore[name] = shader;
}
/** @internal */
export const pbrBlockAlphaFresnel = { name, shader };
//# sourceMappingURL=pbrBlockAlphaFresnel.js.map