From 0f2747293f51d2e716dc4eb5443075e09e9f453d Mon Sep 17 00:00:00 2001
From: zomseffen <steffen@tom.bi>
Date: Sun, 2 Jun 2024 15:44:38 +0200
Subject: [PATCH] fixes vertice and index creation in geometry shader mode

---
 src/app_data.rs | 2 ++
 src/main.rs     | 3 ++-
 src/scene.rs    | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/app_data.rs b/src/app_data.rs
index 9cc625e..e3489fb 100644
--- a/src/app_data.rs
+++ b/src/app_data.rs
@@ -53,4 +53,6 @@ pub struct AppData {
     pub color_image_memory: vk::DeviceMemory,
     pub color_image_view: vk::ImageView,
     pub use_geometry_shader: bool,
+
+    pub topology: vk::PrimitiveTopology,
 }
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 67005a7..208902e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -162,7 +162,7 @@ impl App {
         let loader = LibloadingLoader::new(LIBRARY)?;
         let entry = Entry::new(loader).map_err(|b| anyhow!("{}", b))?;
         let mut data = app_data::AppData::default();
-        data.use_geometry_shader = false;
+        data.use_geometry_shader = true;
         let mut scene_handler = scene::Scene::default();
         
         //load_model::load_model(&mut data)?;
@@ -676,6 +676,7 @@ unsafe fn create_pipeline(device: &Device, data: &mut app_data::AppData) -> Resu
     if data.use_geometry_shader {
         topology = vk::PrimitiveTopology::POINT_LIST;
     } 
+    data.topology = topology;
 
     let input_assembly_state = vk::PipelineInputAssemblyStateCreateInfo::builder()
         .topology(topology)
diff --git a/src/scene.rs b/src/scene.rs
index 6f08f70..d85274c 100644
--- a/src/scene.rs
+++ b/src/scene.rs
@@ -37,7 +37,7 @@ impl Scene {
                     tex_coord: vec2(0.0, 0.0)
                 };
 
-                cube.draw(&vk::PrimitiveTopology::TRIANGLE_LIST, index, self);
+                cube.draw(&data.topology, index, self);
             }
         }