diff --git a/examples/utils/vsgshaderset/flat.cpp b/examples/utils/vsgshaderset/flat.cpp
index 1027e28a..9a58138e 100644
--- a/examples/utils/vsgshaderset/flat.cpp
+++ b/examples/utils/vsgshaderset/flat.cpp
@@ -50,9 +50,9 @@ vsg::ref_ptr<vsg::ShaderSet> flat_ShaderSet(vsg::ref_ptr<const vsg::Options> opt
     shaderSet->addAttributeBinding("vsg_position", "VSG_INSTANCE_POSITIONS", 4, VK_FORMAT_R32G32B32_SFLOAT, vsg::vec3Array::create(1));
     shaderSet->addAttributeBinding("vsg_position_scaleDistance", "VSG_BILLBOARD", 4, VK_FORMAT_R32G32B32A32_SFLOAT, vsg::vec4Array::create(1));
 
-    shaderSet->addDescriptorBinding("displacementMap", "VSG_DISPLACEMENT_MAP", 0, 6, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_VERTEX_BIT, vsg::floatArray2D::create(1, 1, vsg::Data::Properties{VK_FORMAT_R32_SFLOAT}));
-    shaderSet->addDescriptorBinding("diffuseMap", "VSG_DIFFUSE_MAP", 0, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT, vsg::ubvec4Array2D::create(1, 1, vsg::Data::Properties{VK_FORMAT_R8G8B8A8_UNORM}));
-    shaderSet->addDescriptorBinding("material", "", 0, 10, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT, vsg::PhongMaterialValue::create());
+    shaderSet->addDescriptorBinding("displacementMap", "VSG_DISPLACEMENT_MAP", MATERIAL_DESCRIPTOR_SET, 6, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_VERTEX_BIT, vsg::floatArray2D::create(1, 1, vsg::Data::Properties{VK_FORMAT_R32_SFLOAT}));
+    shaderSet->addDescriptorBinding("diffuseMap", "VSG_DIFFUSE_MAP", MATERIAL_DESCRIPTOR_SET, 0, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, VK_SHADER_STAGE_FRAGMENT_BIT, vsg::ubvec4Array2D::create(1, 1, vsg::Data::Properties{VK_FORMAT_R8G8B8A8_UNORM}));
+    shaderSet->addDescriptorBinding("material", "", MATERIAL_DESCRIPTOR_SET, 10, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_FRAGMENT_BIT, vsg::PhongMaterialValue::create());
 
     shaderSet->addDescriptorBinding("lightData", "", VIEW_DESCRIPTOR_SET, 0, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, vsg::vec4Array::create(64));
     shaderSet->addDescriptorBinding("viewportData", "", VIEW_DESCRIPTOR_SET, 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, vsg::vec4Value::create(0,0, 1280, 1024));