@babylonjs/core
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25 lines • 1.64 kB
JavaScript
// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "pbrIBLFunctions";
const shader = `
float getLodFromAlphaG(float cubeMapDimensionPixels,float microsurfaceAverageSlope) {float microsurfaceAverageSlopeTexels=cubeMapDimensionPixels*microsurfaceAverageSlope;float lod=log2(microsurfaceAverageSlopeTexels);return lod;}
float getLinearLodFromRoughness(float cubeMapDimensionPixels,float roughness) {float lod=log2(cubeMapDimensionPixels)*roughness;return lod;}
float environmentRadianceOcclusion(float ambientOcclusion,float NdotVUnclamped) {float temp=NdotVUnclamped+ambientOcclusion;return saturate(square(temp)-1.0+ambientOcclusion);}
float environmentHorizonOcclusion(vec3 view,vec3 normal,vec3 geometricNormal) {vec3 reflection=reflect(view,normal);float temp=saturate(1.0+1.1*dot(reflection,geometricNormal));return square(temp);}
float getLodFromAlphaG(float cubeMapDimensionPixels,float alphaG,float NdotV) {float microsurfaceAverageSlope=alphaG;microsurfaceAverageSlope*=sqrt(abs(NdotV));return getLodFromAlphaG(cubeMapDimensionPixels,microsurfaceAverageSlope);}
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStore[name]) {
ShaderStore.IncludesShadersStore[name] = shader;
}
/** @internal */
export const pbrIBLFunctions = { name, shader };
//# sourceMappingURL=pbrIBLFunctions.js.map