source/blender/draw/engines/eevee_next/shaders/eevee_geom_mesh_vert.glsl


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#pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_attributes_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_nodetree_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_surf_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_velocity_lib.glsl)

void main()
{
  init_interface();

  interp.P = point_object_to_world(pos);
  interp.N = normal_object_to_world(nor);
#ifdef MAT_VELOCITY
  vec3 prv, nxt;
  velocity_local_pos_get(pos, gl_VertexID, prv, nxt);
  /* FIXME(fclem): Evaluating before displacement avoid displacement being treated as motion but
   * ignores motion from animated displacement. Supporting animated displacement motion vectors
   * would require evaluating the nodetree multiple time with different nodetree UBOs evaluated at
   * different times, but also with different attributes (maybe we could assume static attribute at
   * least). */
  velocity_vertex(prv, pos, nxt, motion.prev, motion.next);
#endif

  init_globals();
  attrib_load();

  interp.P += nodetree_displacement();

  gl_Position = point_world_to_ndc(interp.P);
}