states 

API state

Element Information

Model

(blend_color | blend_equation | blend_equation_separate | blend_func | blend_func_separate | color_mask | cull_face | depth_func | depth_mask | depth_range | front_face | line_width | polygon_offset | point_size | sample_coverage | scissor | stencil_func | stencil_func_separate | stencil_mask | stencil_mask_separate | stencil_op | stencil_op_separate | blend_enable | cull_face_enable | depth_test_enable | dither_enable | polygon_offset_fill_enable | point_size_enable | sample_alpha_to_coverage_enable | sample_coverage_enable | scissor_test_enable | stencil_test_enable)
Children: blend_color, blend_enable, blend_equation, blend_equation_separate, blend_func, blend_func_separate, color_mask, cull_face, cull_face_enable, depth_func, depth_mask, depth_range, depth_test_enable, dither_enable, front_face, line_width, point_size, point_size_enable, polygon_offset, polygon_offset_fill_enable, sample_alpha_to_coverage_enable, sample_coverage, sample_coverage_enable, scissor, scissor_test_enable, stencil_func, stencil_func_separate, stencil_mask, stencil_mask_separate, stencil_op, stencil_op_separate, stencil_test_enable

Source 

<xs:element name="states" minOccurs="0">
  <xs:annotation>
    <xs:documentation>API state</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence minOccurs="0" maxOccurs="unbounded">
      <xs:group ref="gles2_pipeline_settings_group"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

Sample