fixed!!

Cargo.toml

@@ -12,3 +12,5 @@ shade_runner = "0.1.2"
 shaderc = "0.5.0"
 cgmath = "0.17"
 winit = "0.19"
+image = "0.22.0"
+tobj = "0.1.8"

shaders/triangle.frag

@@ -5,5 +5,5 @@ layout(location = 0) in vec3 pos;
 layout(location = 0) out vec4 f_color;
 
 void main() {
-    f_color = vec4(pos, 1.0);
+    f_color = vec4(.3, .1, .8, 1.0);
 }

shaders/triangle.vert

@@ -1,10 +1,11 @@
 #version 450
+#extension GL_ARB_separate_shader_objects : enable
 
 layout(location = 0) in vec3 position;
 
 layout(location = 0) out vec3 pos;
 
-layout(push_constant) uniform push_constants {
+layout(push_constant) uniform PushConstants {
     float time;
     mat4 model;
     mat4 view;
@@ -12,6 +13,6 @@ layout(push_constant) uniform push_constants {
 } push;
 
 void main() {
-    gl_Position = push.projection * push.view * push.model * vec4(position + vec3(sin(push.time / 10.), 0., 0.), 1.0);
+    gl_Position = push.projection * push.view * push.model * vec4(position, 1.0);
     pos = gl_Position.xyz;
 }

src/main.rs

@@ -2,9 +2,10 @@ use crate::vulkan::{Vertex, GameData};
 use winit::{Event, WindowEvent, ElementState};
 use std::time::SystemTime;
 use std::iter::FromIterator;
-use cgmath::{Matrix4, SquareMatrix, Rad, Point3, Vector3};
+use cgmath::{Matrix4, SquareMatrix, Rad, Point3, Vector3, Deg};
 
 mod vulkan;
+use vulkan::vs::ty::PushConstants;
 
 const PRINT_KEYBOARD_INPUT: bool = false;
 
@@ -40,29 +41,40 @@ impl GameData<'_> {
 
     fn update_push_constants(self: &mut Self) {
         self.push_constants.time = self.start_time.elapsed().unwrap().as_millis() as f32 / 1000.0;
-        self.push_constants.model = Matrix4::identity();
+
-        self.push_constants.view = Matrix4::look_at(Point3::new(f32::sin(self.push_constants.time), 0.0, f32::cos(self.push_constants.time)), Point3::new(0.0, 0.0, 0.0), Vector3::new(0.0, 1.0, 0.0));
+        let model = Matrix4::from_angle_z(Rad::from(Deg(self.push_constants.time * 100.0)));
-        self.push_constants.projection = cgmath::perspective(Rad(std::f32::consts::FRAC_PI_2), self.aspect_ratio, 0.01, 100.0);
+
+        let view = Matrix4::look_at(
+            Point3::new(2.0, 2.0, 2.0),
+            Point3::new(0.0, 0.0, 0.0),
+            Vector3::new(0.0, 0.0, 1.0)
+        );
+
+        let mut proj = cgmath::perspective(
+            Rad::from(Deg(45.0)),
+            self.aspect_ratio,
+            0.1,
+            10.0
+        );
+
+        proj.y.y *= -1.0;
+
+        self.push_constants.model = model.into();
+        self.push_constants.view = view.into();
+        self.push_constants.projection = proj.into();
     }
 }
 
-#[derive(Debug, Clone, Copy)]
-pub struct PushConstants {
-    pub time: f32,
-    pub model: Matrix4<f32>,
-    pub view: Matrix4<f32>,
-    pub projection: Matrix4<f32>,
-}
-
 fn main() {
-    let mut whatever = String::new();
+//    let mut whatever = String::new();
-    std::io::stdin().read_line(&mut whatever).unwrap();
+//    std::io::stdin().read_line(&mut whatever).unwrap();
 
     let mut pc = PushConstants {
         time: 0.0,
-        model: Matrix4::identity(),
+        _dummy0: [0; 12],
-        view: Matrix4::identity(),
+        model: Matrix4::identity().into(),
-        projection: Matrix4::identity()
+        view: Matrix4::identity().into(),
+        projection: Matrix4::identity().into(),
     };
 
     let data = GameData {

src/vulkan.rs

@@ -298,11 +298,11 @@ pub fn init(mut game: GameData) {
             Err(err) => panic!("{:?}", err)
         };
 
+        game.update_push_constants();
+
         // Specify the color to clear the framebuffer with i.e. blue
         let clear_values = vec!([0.0, 0.0, 1.0, 1.0].into(), 1f32.into());
 
-        game.update_push_constants();
-
         // In order to draw, we have to build a *command buffer*. The command buffer object holds
         // the list of commands that are going to be executed.
         //
@@ -409,6 +409,20 @@ fn window_size_dependent_setup(device: Arc<Device>, images: &[Arc<SwapchainImage
     }).collect::<Vec<_>>()
 }
 
+pub mod vs {
+    vulkano_shaders::shader!{
+        ty: "vertex",
+        path: "shaders/triangle.vert"
+    }
+}
+
+pub mod fs {
+    vulkano_shaders::shader! {
+        ty: "fragment",
+        path: "shaders/triangle.frag"
+    }
+}
+
 fn create_pipeline<T: RenderPassAbstract>(device: Arc<Device>, sub_pass: Subpass<Arc<T>>, vertex_shader_path: &str, fragment_shader_path: &str, is_line: bool) -> Option<Arc<GraphicsPipeline<SingleBufferDefinition<Vertex>, Box<dyn PipelineLayoutAbstract + Send + Sync>, Arc<T>>>> {
     if let Some((shader, shader_data)) = read_shader(vertex_shader_path, fragment_shader_path) {
         let vertex_shader_entry;
@@ -445,20 +459,13 @@ fn create_pipeline<T: RenderPassAbstract>(device: Arc<Device>, sub_pass: Subpass
                 .build(device.clone())
                 .unwrap());
         } else {
-            // Before we draw we have to create what is called a pipeline. This is similar to an OpenGL
-            // program, but much more specific.
             pipeline = Arc::new(GraphicsPipeline::start()
                 .vertex_input_single_buffer::<Vertex>()
-                // A Vulkan shader can in theory contain multiple entry points, so we have to specify
-                // which one. The `main` word of `main_entry_point` actually corresponds to the name of
-                // the entry point.
                 .vertex_shader(vertex_shader_entry.clone(), ())
                 .triangle_list()
-                // Use a resizable viewport set to draw over the entire window
                 .viewports_dynamic_scissors_irrelevant(1)
+                .depth_stencil_simple_depth()
                 .fragment_shader(fragment_shader_entry.clone(), ())
-                // We have to indicate which subpass of which render pass this pipeline is going to be used
-                // in. The pipeline will only be usable from this particular subpass.
                 .render_pass(sub_pass.clone())
                 .build(device.clone())
                 .unwrap());