fixed maybe?

shaders/triangle.vert

@@ -35,6 +35,7 @@ out gl_PerVertex {
 void main() {
     // Vertex position in camera
     gl_Position = ubo.projection * ubo.view * push.model * vec4(position, 1.0);
+    // gl_Position.y = -gl_Position.y;
 
     // Vertex position in world
     position_wld = vec3(push.model * vec4(position, 1.0));