remove unnecessary things

Co-authored-by: marc0246 <[email protected]>

examples/mesh-shader/Cargo.toml

@@ -5,17 +5,13 @@ edition = "2021"
 publish = false
 
 [[bin]]
-name = "mesh-shader-triangle"
+name = "mesh-shader"
 path = "main.rs"
 test = false
 bench = false
 doc = false
 
 [dependencies]
-# The `vulkano` crate is the main crate that you must use to use Vulkan.
 vulkano = { workspace = true, features = ["macros"] }
-# Provides the `shader!` macro that is used to generate code for using shaders.
 vulkano-shaders = { workspace = true }
-# The Vulkan library doesn't provide any functionality to create and handle windows, as
-# this would be out of scope. In order to open a window, we are going to use the `winit` crate.
 winit = { workspace = true }

examples/mesh-shader/main.rs

@@ -41,10 +41,9 @@ use vulkano::{buffer::{Buffer, BufferContents, BufferCreateInfo, BufferUsage}, c
 }, sync::{self, GpuFuture}, Validated, VulkanError, VulkanLibrary};
 
 /// The vertex type that we will be used to describe the triangle's geometry.
-#[derive(BufferContents, Vertex)]
+#[derive(BufferContents)]
 #[repr(C)]
 struct TriangleVertex {
-    #[format(R32G32_SFLOAT)]
     position: [f32; 2],
 }
 
@@ -190,7 +189,7 @@ fn main() -> Result<(), impl Error> {
     let vertex_buffer = Buffer::from_iter(
         memory_allocator.clone(),
         BufferCreateInfo {
-            usage: BufferUsage::VERTEX_BUFFER | BufferUsage::STORAGE_BUFFER,
+            usage: BufferUsage::STORAGE_BUFFER,
             ..Default::default()
         },
         AllocationCreateInfo {
@@ -228,7 +227,7 @@ fn main() -> Result<(), impl Error> {
     let instance_buffer = Buffer::new_unsized::<mesh::InstanceBuffer>(
         memory_allocator,
         BufferCreateInfo {
-            usage: BufferUsage::VERTEX_BUFFER | BufferUsage::STORAGE_BUFFER,
+            usage: BufferUsage::STORAGE_BUFFER,
             ..Default::default()
         },
         AllocationCreateInfo {