region.imageSubresource.mipLevel = level;
region.imageSubresource.baseArrayLayer = (is_array() ? z : 0);
region.imageSubresource.layerCount = (is_array() ? dp : 1);
region.imageSubresource.mipLevel = level;
region.imageSubresource.baseArrayLayer = (is_array() ? z : 0);
region.imageSubresource.layerCount = (is_array() ? dp : 1);