text: export default /* glsl */`
  uniform vec3 diffuse;
  uniform float opacity;
  
  #include <common>
  #include <uv_pars_fragment>
  #include <map_pars_fragment>
  #include <alphamap_pars_fragment>
  #include <fog_pars_fragment>
  #include <logdepthbuf_pars_fragment>
  #include <clipping_planes_pars_fragment>
  
  void main() {
  
  	#include <clipping_planes_fragment>
  
  	vec3 outgoingLight = vec3( 0.0 );
  	vec4 diffuseColor = vec4( diffuse, opacity );
  
  	#include <logdepthbuf_fragment>
  	#include <map_fragment>
  	#include <alphamap_fragment>
  	#include <alphatest_fragment>
  
  	outgoingLight = diffuseColor.rgb;
  
  	gl_FragColor = vec4( outgoingLight, diffuseColor.a );
  
  	#include <tonemapping_fragment>
  	#include <encodings_fragment>
  	#include <fog_fragment>
  
  }
  `;
  