source/blender/gpu/shaders/material/gpu_shader_material_particle_info.glsl


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void particle_info(out float index,
                   out float random,
                   out float age,
                   out float life_time,
                   out vec3 location,
                   out float size,
                   out vec3 velocity,
                   out vec3 angular_velocity)
{
  /* Unsupported for now. */
  index = 0.0;
  random = 0.0;
  age = 0.0;
  life_time = 0.0;
  size = 0.0;

  location = vec3(0.0);
  velocity = vec3(0.0);
  angular_velocity = vec3(0.0);
}