   clamp_to_edge = = CL_ADDRESS_CLAMP_TO_EDGE, 
                         clamp = = CL_ADDRESS_CLAMP, 
                         repeat = = CL_ADDRESS_REPEAT <span class="special">}</span><span class="special">;</span>

  <span class="keyword">enum</span> <a name="boost.compute.image_sampler.filter_mode"></a>filter_mode <span class="special">{</span> nearest = = CL_FILTER_NEAREST, 
                     linear = = CL_FILTER_LINEAR <span class="special">}</span><span class="special">;</span>
  <span class="comm