non working update, about to cargo fix

build.rs

@@ -20,7 +20,10 @@ fn main() -> std::io::Result<()> {
             let shader_path_string: String = "./target/shaders/".to_string()
                 + shader_path.file_name().unwrap().to_str().unwrap()
                 + ".spv";
-            println!("cargo:warning=compiling destination: {:?}", shader_path_string);
+            println!(
+                "cargo:warning=compiling destination: {:?}",
+                shader_path_string
+            );
             let shader_file: &OsStr = OsStr::new::<str>(shader_path_string.as_str());
             Command::new("glslc")
                 .arg("-c")
@@ -41,8 +44,7 @@ fn main() -> std::io::Result<()> {
             let bin_path = entry.path();
             let bin_path_string = bin_path.file_name().unwrap().to_str().unwrap().to_string();
 
-            let shader_type = (
-                match bin_path_string.split(".").nth(1).unwrap() {
+            let shader_type = (match bin_path_string.split(".").nth(1).unwrap() {
                 "vert" => "VERTEX",
                 "frag" => "FRAGMENT",
                 "comp" => "COMPUTE",
@@ -50,8 +52,8 @@ fn main() -> std::io::Result<()> {
                 "tese" => "TESSELLATION_EVALUATION",
                 "geom" => "GEOMETRY",
                 _ => panic!("unknown shader type"),
-                }
-            ).to_string();
+            })
+            .to_string();
             txt += &("(include_bytes!(\"../target/shaders/".to_owned()
                 + &bin_path_string
                 + "\").to_vec(), ShaderStageFlags::"

src/entities.rs

@@ -1,7 +1,10 @@
-use memoffset::offset_of;
 use ash::vk;
-use rand::{thread_rng, distributions::{Distribution, Uniform}};
 use cgmath::{InnerSpace, Vector2, Vector4};
+use memoffset::offset_of;
+use rand::{
+    distributions::{Distribution, Uniform},
+    thread_rng,
+};
 
 use crate::utility::constants::*;
 use std::f32::consts::PI;
@@ -28,13 +31,16 @@ impl Particle {
             let theta = between.sample(&mut rng) * 2.0 * PI;
             let x = r * theta.cos() * WINDOW_HEIGHT as f32 * WINDOW_WIDTH as f32;
             let y = r * theta.sin();
-            res.push(
-                Particle {
+            res.push(Particle {
                 pos: Vector2::new(x, y),
                 vel: Vector2::new(x, y).normalize() * 0.00025,
-                    color: Vector4::new(between.sample(&mut rng), between.sample(&mut rng), between.sample(&mut rng), 1.0),
-                }
-            )
+                color: Vector4::new(
+                    between.sample(&mut rng),
+                    between.sample(&mut rng),
+                    between.sample(&mut rng),
+                    1.0,
+                ),
+            })
         }
         res
     }

src/main.rs

@@ -1,10 +1,10 @@
+pub mod entities;
+pub mod render;
 pub mod shaders;
 pub mod utility;
-pub mod render;
-pub mod entities;
 
-use winit::event_loop::EventLoop;
 use render::VulkanApp;
+use winit::event_loop::EventLoop;
 
 fn main() {
     let event_loop = EventLoop::new();

src/render.rs

@@ -1,10 +1,10 @@
 use crate::{
-    shaders::*, entities::*, utility, utility::constants::*, utility::debug::*, utility::share, utility::structures::*,
+    entities::*, shaders::*, utility, utility::constants::*, utility::debug::*, utility::share,
+    utility::structures::*,
 };
 
 use ash::{vk, Entry};
 
-
 use winit::event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEvent};
 use winit::event_loop::{ControlFlow, EventLoop};
 
@@ -362,8 +362,7 @@ impl VulkanApp {
         let mut shader_modules: Vec<vk::PipelineShaderStageCreateInfo> = vec![];
         let main_function = CString::new("main").unwrap();
         for (shader, stage_i) in shaders() {
-            shader_modules.push(
-                vk::PipelineShaderStageCreateInfo {
+            shader_modules.push(vk::PipelineShaderStageCreateInfo {
                 s_type: vk::StructureType::PIPELINE_SHADER_STAGE_CREATE_INFO,
                 p_next: ptr::null(),
                 flags: vk::PipelineShaderStageCreateFlags::empty(),
@@ -371,9 +370,7 @@ impl VulkanApp {
                 p_name: main_function.as_ptr(),
                 stage: stage_i,
                 p_specialization_info: ptr::null(),
-                    
-                }
-            )
+            })
         }
 
         let binding_description = Vertex::get_binding_description();
@@ -674,11 +671,8 @@ impl VulkanApp {
         self.swapchain_format = swapchain_stuff.swapchain_format;
         self.swapchain_extent = swapchain_stuff.swapchain_extent;
 
-        self.swapchain_imageviews = share::create_image_views(
-            &self.device,
-            self.swapchain_format,
-            &self.swapchain_images,
-        );
+        self.swapchain_imageviews =
+            share::create_image_views(&self.device, self.swapchain_format, &self.swapchain_images);
         self.render_pass = share::create_render_pass(&self.device, self.swapchain_format);
         let (graphics_pipeline, pipeline_layout) = VulkanApp::create_graphics_pipeline(
             &self.device,
@@ -798,4 +792,3 @@ impl VulkanApp {
         })
     }
 }
-

src/utility/debug.rs

@@ -1,6 +1,5 @@
 use ash::vk;
 
-
 use std::ffi::CStr;
 use std::os::raw::c_void;
 use std::ptr;

src/utility/share.rs

@@ -2,16 +2,14 @@ use ash::vk;
 use image;
 use image::GenericImageView;
 
+use crate::utility::constants::*;
+use crate::utility::structures::*;
+use crate::utility::{debug, platforms};
 use std::cmp::max;
 use std::ffi::CString;
-use std::path::Path;
-use std::ptr;
 use std::os::raw::{c_char, c_void};
-use crate::utility::constants::*;
-use crate::utility::{debug, platforms};
-use crate::utility::structures::*;
-
-
+use std::path::Path;
+use std::{ptr, mem::size_of};
 
 pub fn create_render_pass(device: &ash::Device, surface_format: vk::Format) -> vk::RenderPass {
     let color_attachment = vk::AttachmentDescription {
@@ -337,7 +335,8 @@ pub fn create_descriptor_sets(
     device: &ash::Device,
     descriptor_pool: vk::DescriptorPool,
     descriptor_set_layout: vk::DescriptorSetLayout,
-    uniforms_buffers: &Vec<vk::Buffer>,
+    uniform_buffers: Option<&Vec<vk::Buffer>>,
+    compute_buffers: Option<&Vec<vk::Buffer>>,
     swapchain_images_size: usize,
 ) -> Vec<vk::DescriptorSet> {
     let mut layouts: Vec<vk::DescriptorSetLayout> = vec![];
@@ -360,24 +359,68 @@ pub fn create_descriptor_sets(
     };
 
     for (i, &descritptor_set) in descriptor_sets.iter().enumerate() {
-        let descriptor_buffer_info = [vk::DescriptorBufferInfo {
-            buffer: uniforms_buffers[i],
-            offset: 0,
-            range: ::std::mem::size_of::<UniformBufferObject>() as u64,
-        }];
+        let uniform_descriptor_info = vec![];
+        let compute_descriptor_info = vec![];
 
-        let descriptor_write_sets = [vk::WriteDescriptorSet {
+        let uniform_buffers_inner = uniform_buffers.unwrap();
+        let compute_buffers_inner = compute_buffers.unwrap();
+
+        for (i, buffer) in uniform_buffers_inner.iter().enumerate() {
+            uniform_descriptor_info.push(
+                vk::DescriptorBufferInfo {
+                    buffer: uniform_buffers.unwrap()[i as usize],
+                    offset: i as u64,
+                    range: size_of::<UniformBufferObject> as u64,
+                }
+            );
+        }
+        for (i, buffer) in compute_buffers_inner.iter().enumerate() {
+            compute_descriptor_info.push(
+                vk::DescriptorBufferInfo {
+                    buffer: compute_buffers.unwrap()[i as usize],
+                    offset: i as u64,
+                    range: size_of::<UniformBufferObject> as u64,
+                }
+            );
+        }
+        let mut descriptor_write_sets = vec![];
+
+        let mut descriptor_count = 0;
+
+        for info in &uniform_descriptor_info {
+            descriptor_write_sets.push(
+                vk::WriteDescriptorSet {
                     s_type: vk::StructureType::WRITE_DESCRIPTOR_SET,
                     p_next: ptr::null(),
                     dst_set: descritptor_set,
-            dst_binding: 0,
+                    dst_binding: descriptor_count,
                     dst_array_element: 0,
-            descriptor_count: 1,
+                    descriptor_count: uniform_descriptor_info.len() as u32,
                     descriptor_type: vk::DescriptorType::UNIFORM_BUFFER,
                     p_image_info: ptr::null(),
-            p_buffer_info: descriptor_buffer_info.as_ptr(),
+                    p_buffer_info: uniform_descriptor_info.as_ptr(),
                     p_texel_buffer_view: ptr::null(),
-        }];
+                }
+            );
+            descriptor_count += 1;
+        } 
+        for info in &compute_descriptor_info {
+            descriptor_write_sets.push(
+                vk::WriteDescriptorSet {
+                    s_type: vk::StructureType::WRITE_DESCRIPTOR_SET,
+                    p_next: ptr::null(),
+                    dst_set: descritptor_set,
+                    dst_binding: descriptor_count,
+                    dst_array_element: 0,
+                    descriptor_count: compute_descriptor_info.len() as u32,
+                    descriptor_type: vk::DescriptorType::STORAGE_BUFFER,
+                    p_image_info: ptr::null(),
+                    p_buffer_info: compute_descriptor_info.as_ptr(),
+                    p_texel_buffer_view: ptr::null(),
+                }
+            ); 
+            descriptor_count += 1;
+        } 
 
         unsafe {
             device.update_descriptor_sets(&descriptor_write_sets, &[]);
@@ -388,13 +431,29 @@ pub fn create_descriptor_sets(
 }
 
 pub fn create_descriptor_set_layout(device: &ash::Device) -> vk::DescriptorSetLayout {
-    let ubo_layout_bindings = [vk::DescriptorSetLayoutBinding {
+    let ubo_layout_bindings = [
+        vk::DescriptorSetLayoutBinding {
             binding: 0,
             descriptor_type: vk::DescriptorType::UNIFORM_BUFFER,
             descriptor_count: 1,
             stage_flags: vk::ShaderStageFlags::VERTEX,
             p_immutable_samplers: ptr::null(),
-    }];
+        },
+        vk::DescriptorSetLayoutBinding {
+            binding: 1,
+            descriptor_type: vk::DescriptorType::STORAGE_BUFFER,
+            descriptor_count: 1,
+            stage_flags: vk::ShaderStageFlags::COMPUTE,
+            p_immutable_samplers: ptr::null(),
+        },
+        vk::DescriptorSetLayoutBinding {
+            binding: 2,
+            descriptor_type: vk::DescriptorType::STORAGE_BUFFER,
+            descriptor_count: 1,
+            stage_flags: vk::ShaderStageFlags::COMPUTE,
+            p_immutable_samplers: ptr::null(),
+        },
+    ];
 
     let ubo_layout_create_info = vk::DescriptorSetLayoutCreateInfo {
         s_type: vk::StructureType::DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
@@ -476,8 +535,7 @@ pub fn create_image(
             .expect("Failed to create Texture Image!")
     };
 
-    let image_memory_requirement =
-        unsafe { device.get_image_memory_requirements(texture_image) };
+    let image_memory_requirement = unsafe { device.get_image_memory_requirements(texture_image) };
     let memory_allocate_info = vk::MemoryAllocateInfo {
         s_type: vk::StructureType::MEMORY_ALLOCATE_INFO,
         p_next: ptr::null(),