texture loading and depth buffer

src/vertex.rs

@@ -10,13 +10,14 @@ type Vec3 = cgmath::Vector3<f32>;
 #[repr(C)]
 #[derive(Copy, Clone, Debug)]
 pub struct Vertex {
-    pub pos: Vec2,
+    pub pos: Vec3,
     pub color: Vec3,
+    pub tex_coord: Vec2,
 }
 
 impl Vertex {
-    pub const fn new(pos: Vec2, color: Vec3) -> Self {
-        Self { pos, color }
+    pub const fn new(pos: Vec3, color: Vec3, tex_coord: Vec2) -> Self {
+        Self { pos, color, tex_coord }
     }
 
     pub fn binding_description() -> vk::VertexInputBindingDescription {
@@ -27,11 +28,11 @@ impl Vertex {
             .build()
     }
 
-    pub fn attribute_descriptions() -> [vk::VertexInputAttributeDescription; 2] {
+    pub fn attribute_descriptions() -> [vk::VertexInputAttributeDescription; 3] {
         let pos = vk::VertexInputAttributeDescription::builder()
             .binding(0)
             .location(0)
-            .format(vk::Format::R32G32_SFLOAT)
+            .format(vk::Format::R32G32B32_SFLOAT)
             .offset(0)
             .build();
 
@@ -41,6 +42,13 @@ impl Vertex {
             .format(vk::Format::R32G32B32_SFLOAT)
             .offset(size_of::<Vec2>() as u32)
             .build();
-        [pos, color]
+        
+        let tex_coord = vk::VertexInputAttributeDescription::builder()
+            .binding(0)
+            .location(2)
+            .format(vk::Format::R32G32_SFLOAT)
+            .offset((size_of::<Vec2>() + size_of::<Vec3>()) as u32)
+            .build();
+        [pos, color, tex_coord]
     }
 }