Got the vertex definition into the load function. Which is something

src/canvas/shader/generic_shader.rs

@@ -39,7 +39,7 @@ impl CompiledGraphicsPipelineResources for GenericShader {}
 impl CompiledGraphicsPipeline for GenericShader {
 
     /// This will explode when the shader does not want to compile
-    fn new(filename: String,
+    fn new<T>(filename: String,
                device: Arc<Device>,
                handle: Arc<CompiledGraphicsPipelineHandle>,
                render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> GenericShader {
@@ -78,7 +78,8 @@ impl CompiledGraphicsPipeline for GenericShader {
             graphics_pipeline:
             Some(Arc::new(GraphicsPipeline::start()
 
-                .vertex_input(SingleBufferDefinition::<Vertex3D>::new())
+                //SingleBufferDefinition::<Vertex3D>
+                .vertex_input(T::new())
 
                 .vertex_shader(vertex_entry_point.clone(), ShaderSpecializationConstants {
                     first_constant: 0,