pulled out the draw call. forgot to allocate buffers

src/util/shader_kernels.rs

@@ -130,8 +130,11 @@ impl ShaderKernels {
                                     GraphicsShaderType::Vertex))
         };
 
+
         let render_pass = Arc::new(vulkano::single_pass_renderpass!(
             device.clone(),
+
+            // Attachments are outgoing like f_color
             attachments: {
                 // `color` is a custom name we give to the first and only attachment.
                 color: {
@@ -153,6 +156,7 @@ impl ShaderKernels {
             pass: {
                 // We use the attachment named `color` as the one and only color attachment.
                 color: [color],
+                //color: [],
                 // No depth-stencil attachment is indicated with empty brackets.
                 depth_stencil: {}
             }