depth buffer

shaders/line.vert

@@ -2,6 +2,12 @@
 
 layout(location = 0) in vec3 position;
 
+layout(push_constant) uniform LinePushConstants {
+    mat4 model;
+    mat4 view;
+    mat4 projection;
+} push;
+
 void main() {
-    gl_Position = vec4(position, 1.0);
+    gl_Position = push.projection * push.view * push.model * vec4(position, 1.0);
 }