@babylonjs/core/ShadersWGSL/ShadersInclude/bumpFragmentMainFunctions.js

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// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "bumpFragmentMainFunctions";
const shader = `#if defined(BUMP) || defined(CLEARCOAT_BUMP) || defined(ANISOTROPIC) || defined(DETAIL)
#if defined(TANGENT) && defined(NORMAL) 
varying vTBN0: vec3f;varying vTBN1: vec3f;varying vTBN2: vec3f;
#endif
#ifdef OBJECTSPACE_NORMALMAP
uniform normalMatrix: mat4x4f;fn toNormalMatrix(m: mat4x4f)->mat4x4f
{var a00=m[0][0];var a01=m[0][1];var a02=m[0][2];var a03=m[0][3];var a10=m[1][0];var a11=m[1][1];var a12=m[1][2];var a13=m[1][3];var a20=m[2][0]; 
var a21=m[2][1];var a22=m[2][2];var a23=m[2][3];var a30=m[3][0]; 
var a31=m[3][1];var a32=m[3][2];var a33=m[3][3];var b00=a00*a11-a01*a10;var b01=a00*a12-a02*a10;var b02=a00*a13-a03*a10;var b03=a01*a12-a02*a11;var b04=a01*a13-a03*a11;var b05=a02*a13-a03*a12;var b06=a20*a31-a21*a30;var b07=a20*a32-a22*a30;var b08=a20*a33-a23*a30;var b09=a21*a32-a22*a31;var b10=a21*a33-a23*a31;var b11=a22*a33-a23*a32;var det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;var mi=mat4x4<f32>(
(a11*b11-a12*b10+a13*b09)/det,
(a02*b10-a01*b11-a03*b09)/det,
(a31*b05-a32*b04+a33*b03)/det,
(a22*b04-a21*b05-a23*b03)/det,
(a12*b08-a10*b11-a13*b07)/det,
(a00*b11-a02*b08+a03*b07)/det,
(a32*b02-a30*b05-a33*b01)/det,
(a20*b05-a22*b02+a23*b01)/det,
(a10*b10-a11*b08+a13*b06)/det,
(a01*b08-a00*b10-a03*b06)/det,
(a30*b04-a31*b02+a33*b00)/det,
(a21*b02-a20*b04-a23*b00)/det,
(a11*b07-a10*b09-a12*b06)/det,
(a00*b09-a01*b07+a02*b06)/det,
(a31*b01-a30*b03-a32*b00)/det,
(a20*b03-a21*b01+a22*b00)/det);return mat4x4<f32>(mi[0][0],mi[1][0],mi[2][0],mi[3][0],
mi[0][1],mi[1][1],mi[2][1],mi[3][1],
mi[0][2],mi[1][2],mi[2][2],mi[3][2],
mi[0][3],mi[1][3],mi[2][3],mi[3][3]);}
#endif
fn perturbNormalBase(cotangentFrame: mat3x3f,normal: vec3f,scale: f32)->vec3f
{var output=normal;
#ifdef NORMALXYSCALE
output=normalize(output* vec3f(scale,scale,1.0));
#endif
return normalize(cotangentFrame*output);}
fn perturbNormal(cotangentFrame: mat3x3f,textureSample: vec3f,scale: f32)->vec3f
{return perturbNormalBase(cotangentFrame,textureSample*2.0-1.0,scale);}
fn cotangent_frame(normal: vec3f,p: vec3f,uv: vec2f,tangentSpaceParams: vec2f)->mat3x3f
{var dp1: vec3f=dpdx(p);var dp2: vec3f=dpdy(p);var duv1: vec2f=dpdx(uv);var duv2: vec2f=dpdy(uv);var dp2perp: vec3f=cross(dp2,normal);var dp1perp: vec3f=cross(normal,dp1);var tangent: vec3f=dp2perp*duv1.x+dp1perp*duv2.x;var bitangent: vec3f=dp2perp*duv1.y+dp1perp*duv2.y;tangent*=tangentSpaceParams.x;bitangent*=tangentSpaceParams.y;var det: f32=max(dot(tangent,tangent),dot(bitangent,bitangent));var invmax: f32=select(inverseSqrt(det),0.0,det==0.0);return mat3x3f(tangent*invmax,bitangent*invmax,normal);}
#endif
`;
// Sideeffect
if (!ShaderStore.IncludesShadersStoreWGSL[name]) {
    ShaderStore.IncludesShadersStoreWGSL[name] = shader;
}
/** @internal */
export const bumpFragmentMainFunctionsWGSL = { name, shader };
//# sourceMappingURL=bumpFragmentMainFunctions.js.map