node_modules/three/src/renderers/shaders/ShaderChunk/morphinstance_vertex.glsl.js

export default /* glsl */`
#ifdef USE_INSTANCING_MORPH

	float morphTargetInfluences[ MORPHTARGETS_COUNT ];

	float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;

	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {

		morphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;

	}
#endif
`;