declare const _default: "\n#ifdef MORPHING_TEXTURE_BASED_NORMAL\nuniform highp sampler2D morphNormalTex;\n#endif\n\nvec3 getNormal() {\n    #ifdef SKIN\n    dNormalMatrix = mat3(dModelMatrix[0].xyz, dModelMatrix[1].xyz, dModelMatrix[2].xyz);\n    #elif defined(INSTANCING)\n    dNormalMatrix = mat3(instance_line1.xyz, instance_line2.xyz, instance_line3.xyz);\n    #else\n    dNormalMatrix = matrix_normal;\n    #endif\n\n    vec3 tempNormal = vertex_normal;\n\n    #ifdef MORPHING\n    #ifdef MORPHING_NRM03\n    tempNormal += morph_weights_a[0] * morph_nrm0;\n    tempNormal += morph_weights_a[1] * morph_nrm1;\n    tempNormal += morph_weights_a[2] * morph_nrm2;\n    tempNormal += morph_weights_a[3] * morph_nrm3;\n    #endif\n    #ifdef MORPHING_NRM47\n    tempNormal += morph_weights_b[0] * morph_nrm4;\n    tempNormal += morph_weights_b[1] * morph_nrm5;\n    tempNormal += morph_weights_b[2] * morph_nrm6;\n    tempNormal += morph_weights_b[3] * morph_nrm7;\n    #endif\n    #endif\n\n    #ifdef MORPHING_TEXTURE_BASED_NORMAL\n\n        #ifdef WEBGPU\n            ivec2 morphUV = getTextureMorphCoords();\n            vec3 morphNormal = texelFetch(morphNormalTex, ivec2(morphUV), 0).xyz;\n        #else\n            vec2 morphUV = getTextureMorphCoords();\n            vec3 morphNormal = texture2D(morphNormalTex, morphUV).xyz;\n        #endif\n\n    // apply morph offset from texture\n    tempNormal += morphNormal;\n    #endif\n\n    return normalize(dNormalMatrix * tempNormal);\n}\n";
export default _default;