Toggle lines

src/vulkan.rs

@@ -78,6 +78,7 @@ pub struct GameData {
     pub game_objects: Vec<GameObject>,
     pub meshes: Vec<Mesh>,
     pub textures: Vec<Arc<ImmutableImage<Format>>>,
+    pub use_line_pipeline: bool,
 }
 
 type RendererDescriptorSets = dyn DescriptorSet + Send + Sync;
@@ -121,6 +122,7 @@ impl VulkanRenderer {
             meshes: vec![],
             game_objects: vec![],
             textures: vec![],
+            use_line_pipeline: true,
         };
 
         if enable_validation_layers {
@@ -325,10 +327,12 @@ impl VulkanRenderer {
     }
 
     fn create_command_buffer(self: &mut Self, fb_index: usize, uniform_buffer_data: vs::ty::ObjectUniformData) -> Arc<AutoCommandBuffer> {
+        // General setup
         let mut builder = AutoCommandBufferBuilder::primary_simultaneous_use(self.device.clone(), self.queue.family()).unwrap();
         builder.update_buffer(self.uniform_buffers[fb_index].clone(), uniform_buffer_data).unwrap();
         builder.begin_render_pass(self.framebuffers[fb_index].clone(), false, vec![ClearValue::Float([0.0, 0.0, 0.0, 1.0]), ClearValue::Depth(1.0)]).unwrap();
 
+        // Load and draw meshes etc.
         for i in 0..self.game_data.game_objects.len() {
             let game_object = &self.game_data.game_objects[i];
             let mesh = &self.game_data.meshes[game_object.mesh_index];
@@ -343,9 +347,13 @@ impl VulkanRenderer {
                 self.game_data.push_constants.clone()).unwrap();
         }
 
-        builder.draw(self.line_pipeline.clone(), &self.dynamic_state, vec![self.line_vertex_buffer.clone()], (), self.game_data.line_push_constants.clone()).unwrap()
-            .end_render_pass().unwrap();
+        // Draw line grid
+        if self.game_data.use_line_pipeline {
+            builder.draw(self.line_pipeline.clone(), &self.dynamic_state, vec![self.line_vertex_buffer.clone()], (), self.game_data.line_push_constants.clone()).unwrap(); 
+        }
 
+        // General cleanup
+        builder.end_render_pass().unwrap();
         Arc::new(builder.build().unwrap())
     }