fixed files

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "tri"
+name = "particles"
 version = "0.1.0"
 edition = "2021"
 

Session.vim

@@ -1,131 +0,0 @@
-let SessionLoad = 1
-let s:so_save = &g:so | let s:siso_save = &g:siso | setg so=0 siso=0 | setl so=-1 siso=-1
-let v:this_session=expand("<sfile>:p")
-silent only
-silent tabonly
-cd ~/bin/rs/tri
-if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''
-  let s:wipebuf = bufnr('%')
-endif
-let s:shortmess_save = &shortmess
-if &shortmess =~ 'A'
-  set shortmess=aoOA
-else
-  set shortmess=aoO
-endif
-badd +1 ~/bin/rs/tri
-badd +1 src/render.rs
-badd +0 src/utility/share.rs
-argglobal
-%argdel
-$argadd ~/bin/rs/tri
-edit src/render.rs
-let s:save_splitbelow = &splitbelow
-let s:save_splitright = &splitright
-set splitbelow splitright
-wincmd _ | wincmd |
-vsplit
-wincmd _ | wincmd |
-vsplit
-2wincmd h
-wincmd w
-wincmd w
-let &splitbelow = s:save_splitbelow
-let &splitright = s:save_splitright
-wincmd t
-let s:save_winminheight = &winminheight
-let s:save_winminwidth = &winminwidth
-set winminheight=0
-set winheight=1
-set winminwidth=0
-set winwidth=1
-exe 'vert 1resize ' . ((&columns * 71 + 107) / 214)
-exe 'vert 2resize ' . ((&columns * 71 + 107) / 214)
-exe 'vert 3resize ' . ((&columns * 70 + 107) / 214)
-argglobal
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 61 - ((45 * winheight(0) + 40) / 81)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 61
-normal! 0
-lcd ~/bin/rs/tri
-wincmd w
-argglobal
-if bufexists(fnamemodify("~/bin/rs/tri/src/utility/share.rs", ":p")) | buffer ~/bin/rs/tri/src/utility/share.rs | else | edit ~/bin/rs/tri/src/utility/share.rs | endif
-if &buftype ==# 'terminal'
-  silent file ~/bin/rs/tri/src/utility/share.rs
-endif
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 190 - ((53 * winheight(0) + 40) / 81)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 190
-normal! 013|
-lcd ~/bin/rs/tri
-wincmd w
-argglobal
-if bufexists(fnamemodify("~/bin/rs/tri/src/utility/share.rs", ":p")) | buffer ~/bin/rs/tri/src/utility/share.rs | else | edit ~/bin/rs/tri/src/utility/share.rs | endif
-if &buftype ==# 'terminal'
-  silent file ~/bin/rs/tri/src/utility/share.rs
-endif
-setlocal fdm=manual
-setlocal fde=0
-setlocal fmr={{{,}}}
-setlocal fdi=#
-setlocal fdl=0
-setlocal fml=1
-setlocal fdn=20
-setlocal fen
-silent! normal! zE
-let &fdl = &fdl
-let s:l = 1651 - ((36 * winheight(0) + 40) / 81)
-if s:l < 1 | let s:l = 1 | endif
-keepjumps exe s:l
-normal! zt
-keepjumps 1651
-normal! 016|
-lcd ~/bin/rs/tri
-wincmd w
-3wincmd w
-exe 'vert 1resize ' . ((&columns * 71 + 107) / 214)
-exe 'vert 2resize ' . ((&columns * 71 + 107) / 214)
-exe 'vert 3resize ' . ((&columns * 70 + 107) / 214)
-tabnext 1
-if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0 && getbufvar(s:wipebuf, '&buftype') isnot# 'terminal'
-  silent exe 'bwipe ' . s:wipebuf
-endif
-unlet! s:wipebuf
-set winheight=1 winwidth=20
-let &shortmess = s:shortmess_save
-let &winminheight = s:save_winminheight
-let &winminwidth = s:save_winminwidth
-let s:sx = expand("<sfile>:p:r")."x.vim"
-if filereadable(s:sx)
-  exe "source " . fnameescape(s:sx)
-endif
-let &g:so = s:so_save | let &g:siso = s:siso_save
-set hlsearch
-doautoall SessionLoadPost
-unlet SessionLoad
-" vim: set ft=vim :

build.rs

@@ -6,6 +6,11 @@ use std::process::Command;
 
 fn main() -> std::io::Result<()> {
     println!("building shaders...");
+    //rm shader target path if it exists
+    if Path::new("./target/shaders").exists() {
+        println!("exists");
+        Command::new("rm").args(["-rf", "target/shaders"]).status().unwrap(); 
+    }
     //shaders path
     let shaders = Path::new("./src/shaders");
     //shader target path

src/entities.rs

@@ -8,15 +8,51 @@ use rand::{
 
 use crate::utility::constants::*;
 use std::f32::consts::PI;
+use std::ffi::c_void;
+use std::{ fmt, slice };
 
-pub const PARTICLE_COUNT: u64 = 1;
+pub const PARTICLE_COUNT: u64 = 5;
 
 #[repr(C)]
 #[derive(Clone, Debug, Copy)]
 pub struct Particle {
-    pos: (f32, f32),
+    pub pos: (f32, f32),
-    vel: (f32, f32),
+    pub vel: (f32, f32),
-    color: (f32, f32, f32, f32),
+    pub color: (f32, f32, f32, f32),
+}
+
+pub struct ParticlesList(pub Vec<Particle>);
+
+impl ParticlesList {
+    pub fn from_vec(particles: Vec<Particle>) -> ParticlesList {
+        ParticlesList(particles)
+    }
+
+    pub fn from_raw_ptr(ptr: *const Particle, len: usize) -> ParticlesList {
+        let mut vec = vec![];
+        vec.extend_from_slice(
+            unsafe { slice::from_raw_parts(ptr, len) as &[Particle] }
+        );
+        ParticlesList(
+            vec
+        )
+    }
+}
+
+impl fmt::Display for ParticlesList {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "PARTICLES, LEN IS {}\n\n", self.0.len())?;
+        for (i, particle) in self.0.iter().enumerate() {
+            write!(
+                f,
+                "    Particle {{\n        pos: {:?}\n        vel: {:?}\n        color: {:?}\n    }}",
+                particle.pos,
+                particle.vel,
+                particle.color,
+            )?;
+        }
+        Ok(())
+    }
 }
 
 fn normalize(vec2: (f32, f32)) -> (f32, f32) {
@@ -46,10 +82,11 @@ impl Particle {
             println!("THETA {}", theta);
             let x = r * theta.cos() * WINDOW_HEIGHT as f32 / WINDOW_WIDTH as f32;
             let y = r * theta.sin();
-            let (x, y) = (10.0, 0.0);
+            //let (x, y) = (100000.0, 0.0);
             res.push(Particle {
                 pos: (x, y),
-                vel: vec2_scalar_mul(normalize((x, y)), 0.00025),
+                //vel: vec2_scalar_mul(normalize((x, y)), 0.00025),
+                vel: (10000.1, 10000.1),
                 color: (
                     between.sample(&mut rng),
                     between.sample(&mut rng),

src/main.rs

@@ -5,15 +5,14 @@ pub mod render;
 pub mod shaders;
 pub mod utility;
 
-use render::{ App, ProgramProc };
+use render::{ App };
+use utility::window::*;
 use winit::event_loop::EventLoop;
 
 fn main() {
-    let program = ProgramProc {
+    let program = ProgramProc::new();
-        event_loop: EventLoop::new()
-    };
 
-    let app = App::new();
+    let app = App::new(&program.event_loop);
     program.main_loop(app);
 }
 // -------------------------------------------------------------------------------------------

src/render.rs

@@ -2,6 +2,7 @@ use winit::event::{ElementState, Event, KeyboardInput, VirtualKeyCode, WindowEve
 use winit::event_loop::{ControlFlow, EventLoop};
 
 use ash::vk;
+use ash::util::Align;
 use image;
 use image::GenericImageView;
 
@@ -13,11 +14,13 @@ use crate::utility::fps_limiter::*;
 use crate::utility::{debug, platforms};
 use crate::utility::tools::*;
 use crate::entities::*;
+use crate::VulkanApp;
 use crate::shaders::shaders;
 
 use std::ffi::CString;
 use std::ptr;
-use std::mem::size_of;
+use std::mem;
+use mem::size_of;
 use std::default;
 use std::os::raw::{ c_void, c_char };
 
@@ -27,76 +30,6 @@ const WINDOW_TITLE: &'static str = "Template";
 
 const IS_PAINT_FPS_COUNTER: bool =  true;
 
-pub struct ProgramProc {
-    pub event_loop: EventLoop<()>,
-}
-
-impl ProgramProc {
-
-    pub fn new() -> ProgramProc {
-        // init window stuff
-        let event_loop = EventLoop::new();
-
-        ProgramProc { event_loop }
-    }
-
-    pub fn main_loop(self, mut vulkan_app: App) {
-
-        let mut tick_counter = utility::fps_limiter::FPSLimiter::new();
-
-        self.event_loop.run(move |event, _, control_flow| {
-
-            match event {
-                | Event::WindowEvent { event, .. } => {
-                    match event {
-                        | WindowEvent::CloseRequested => {
-                            vulkan_app.wait_device_idle();
-                            *control_flow = ControlFlow::Exit
-                        },
-                        | WindowEvent::KeyboardInput { input, .. } => {
-                            match input {
-                                | KeyboardInput { virtual_keycode, state, .. } => {
-                                    match (virtual_keycode, state) {
-                                        | (Some(VirtualKeyCode::Escape), ElementState::Pressed) => {
-                                            vulkan_app.wait_device_idle();
-                                            *control_flow = ControlFlow::Exit
-                                        },
-                                        | _ => {},
-                                    }
-                                },
-                            }
-                        },
-                        | WindowEvent::Resized(_new_size) => {
-                            vulkan_app.wait_device_idle();
-                            vulkan_app.is_framebuffer_resized = true;
-                        },
-                        | _ => {},
-                    }
-                },
-                | Event::MainEventsCleared => {
-                    &vulkan_app.window.request_redraw();
-                },
-                | Event::RedrawRequested(_window_id) => {
-                    let delta_time = tick_counter.delta_time();
-                    vulkan_app.draw_frame();
-
-                    if IS_PAINT_FPS_COUNTER {
-                        print!("FPS: {}\r", tick_counter.fps());
-                    }
-
-                    tick_counter.tick_frame();
-                },
-                | Event::LoopDestroyed => {
-                    vulkan_app.wait_device_idle();
-                },
-                _ => (),
-            }
-
-        })
-    }
-
-}
-
 pub fn create_instance(
     entry: &ash::Entry,
     window_title: &str,
@@ -240,9 +173,8 @@ pub fn find_memory_type(
     panic!("Failed to find suitable memory type!")
 }
 
-pub struct App {
+pub struct App<'a> {
     pub window: winit::window::Window,
-    pub event_loop: winit::event_loop::EventLoop<()>,
 
     // vulkan stuff
     pub entry: ash::Entry,
@@ -313,12 +245,15 @@ pub struct App {
     pub last_time: f64,
 
     pub physical_device_memory_properties: vk::PhysicalDeviceMemoryProperties,
+
+    pub query_pool: vk::QueryPool,
+    pub query_memory: vk::DeviceMemory,
+    pub query_mapped: &'a mut [u64],
 }
 
-impl App {
+impl<'a> App<'a> {
  
-    pub fn new() -> Self {
+    pub fn new(event_loop: &winit::event_loop::EventLoop<()>) -> Self {
-        let event_loop = winit::event_loop::EventLoop::new();
         let window = init_window(&event_loop, WINDOW_TITLE, WINDOW_WIDTH, WINDOW_HEIGHT);
 
         let entry = unsafe { ash::Entry::load().unwrap() };
@@ -393,14 +328,91 @@ impl App {
 
         let command_buffers = Self::create_command_buffers(&device, command_pool); 
         
-        let compute_command_buffers = Self::create_command_buffers(&device, command_pool); 
+        let compute_command_buffers = Self::create_compute_command_buffers(&device, command_pool); 
 
         let sync_objects = SyncObjects::new(&device, MAX_FRAMES_IN_FLIGHT);
 
+        //setup logging of compute shader invocations
+        
+        // Define the buffer to hold query results
+        let mut query_results_data: [u64; 1] = [0]; // Assuming we're querying one result
+
+        // Create a buffer to hold the query results
+        let buffer_info = vk::BufferCreateInfo {
+            s_type: vk::StructureType::BUFFER_CREATE_INFO,
+            size: 8,
+            usage: vk::BufferUsageFlags::TRANSFER_DST,
+            sharing_mode: vk::SharingMode::EXCLUSIVE,
+            ..Default::default()
+        };
+
+        let query_result_buffer = unsafe {
+            device
+                .create_buffer(&buffer_info, None)
+                .expect("Failed to create query result buffer")
+        };
+    
+
+
+
+        // Allocate memory for the buffer
+        let mem_requirements = unsafe { device.get_buffer_memory_requirements(query_result_buffer) };
+        let memory_type_index = find_memory_type(
+            mem_requirements.memory_type_bits,
+            vk::MemoryPropertyFlags::HOST_VISIBLE | vk::MemoryPropertyFlags::HOST_COHERENT,
+            &physical_device_memory_properties,
+        );
+
+        let allocate_info = vk::MemoryAllocateInfo {
+            s_type: vk::StructureType::MEMORY_ALLOCATE_INFO,
+            allocation_size: mem_requirements.size,
+            memory_type_index,
+            ..Default::default()
+        };
+
+        let query_memory = unsafe {
+            device
+                .allocate_memory(&allocate_info, None)
+                .expect("Failed to allocate query result memory")
+        };
+
+        unsafe {
+            // Bind the buffer with allocated memory
+            device
+                .bind_buffer_memory(query_result_buffer, query_memory, 0)
+                .expect("Failed to bind buffer memory")
+        };
+
+        // Now we can use this buffer to store query results
+        let query_mapped = unsafe {
+            let raw_ptr = device
+                .map_memory(
+                    query_memory,
+                    0,
+                    std::mem::size_of_val(&query_results_data) as u64,
+                    vk::MemoryMapFlags::empty(),
+                )
+                .expect("Failed to map memory");
+                std::slice::from_raw_parts_mut(raw_ptr as *mut u64, 1)
+        };
+
+        
+        // Create a query pool
+        let query_pool_info = vk::QueryPoolCreateInfo {
+            s_type: vk::StructureType::QUERY_POOL_CREATE_INFO,
+            query_type: vk::QueryType::PIPELINE_STATISTICS,
+            query_count: 1, // We're only querying one statistic
+            pipeline_statistics: vk::QueryPipelineStatisticFlags::COMPUTE_SHADER_INVOCATIONS,
+            ..Default::default()
+        };
+        let query_pool = unsafe {
+                device
+                .create_query_pool(&query_pool_info, None)
+                .expect("Failed to create query pool")
+        };
 
         Self {
             window,
-            event_loop,
 
             entry,
             instance,
@@ -451,80 +463,15 @@ impl App {
             last_time: 0.0,
 
             physical_device_memory_properties,
-        }
-
-    }
-
-    /*fn create_vertex_buffer(
-        instance: &ash::Instance,
-        device: &ash::Device,
-        physical_device: vk::PhysicalDevice,
-    ) -> (vk::Buffer, vk::DeviceMemory) {
-        let vertex_buffer_create_info = vk::BufferCreateInfo {
-            s_type: vk::StructureType::BUFFER_CREATE_INFO,
-            p_next: ptr::null(),
-            flags: vk::BufferCreateFlags::empty(),
-            size: std::mem::size_of_val(&TRI_VERT_DATA) as u64,
-            usage: vk::BufferUsageFlags::VERTEX_BUFFER
-                | vk::BufferUsageFlags::STORAGE_BUFFER
-                | vk::BufferUsageFlags::TRANSFER_DST,
-            sharing_mode: vk::SharingMode::EXCLUSIVE,
-            queue_family_index_count: 0,
-            p_queue_family_indices: ptr::null(),
-        };
-
-        let vertex_buffer = unsafe {
-            device
-                .create_buffer(&vertex_buffer_create_info, None)
-                .expect("Failed to create Vertex Buffer")
-        };
-
-        let mem_requirements = unsafe { device.get_buffer_memory_requirements(vertex_buffer) };
-        let mem_properties =
-            unsafe { instance.get_physical_device_memory_properties(physical_device) };
-        let required_memory_flags: vk::MemoryPropertyFlags =
-            vk::MemoryPropertyFlags::HOST_VISIBLE | vk::MemoryPropertyFlags::HOST_COHERENT;
-        let memory_type = App::find_memory_type(
-            mem_requirements.memory_type_bits,
-            required_memory_flags,
-            mem_properties,
-        );
-
-        let allocate_info = vk::MemoryAllocateInfo {
-            s_type: vk::StructureType::MEMORY_ALLOCATE_INFO,
-            p_next: ptr::null(),
-            allocation_size: mem_requirements.size,
-            memory_type_index: memory_type,
-        };
-
-        let vertex_buffer_memory = unsafe {
-            device
-                .allocate_memory(&allocate_info, None)
-                .expect("Failed to allocate vertex buffer memory!")
-        };
-
-        unsafe {
-            device
-                .bind_buffer_memory(vertex_buffer, vertex_buffer_memory, 0)
-                .expect("Failed to bind Buffer");
-
-            let data_ptr = device
-                .map_memory(
-                    vertex_buffer_memory,
-                    0,
-                    vertex_buffer_create_info.size,
-                    vk::MemoryMapFlags::empty(),
-                )
-                .expect("Failed to Map Memory") as *mut Vertex;
 
-            data_ptr.copy_from_nonoverlapping(TRI_VERT_DATA.as_ptr(), TRI_VERT_DATA.len());
+            query_pool,
+            query_memory,
+            query_mapped,
 
-            device.unmap_memory(vertex_buffer_memory);
         }
 
-        (vertex_buffer, vertex_buffer_memory)
+    }
-    }*/
+
-    
     fn find_memory_type(
         type_filter: u32,
         required_properties: vk::MemoryPropertyFlags,
@@ -549,6 +496,7 @@ impl App {
         for (shader, stage_i) in shaders() {
             //check if graphics shader
             if stage_i == vk::ShaderStageFlags::VERTEX || stage_i == vk::ShaderStageFlags::FRAGMENT {
+                println!("shader stage: {:?}", stage_i);
                 shader_modules.push(
                     vk::PipelineShaderStageCreateInfo {
                     s_type: vk::StructureType::PIPELINE_SHADER_STAGE_CREATE_INFO,
@@ -812,25 +760,35 @@ impl App {
 
 
     fn record_compute_command_buffer(
-        &self,
+        &mut self,
-        device: &ash::Device,
         command_buffer: vk::CommandBuffer
     ) {
         let begin_info = vk::CommandBufferBeginInfo::default();
 
         unsafe {
-            device
+            self.device
                 .begin_command_buffer(command_buffer, &begin_info)
                 .expect("failed to begin recording compute command buffer");
 
-            device
+            println!("resetting query pool for command buffer: {}", self.current_frame);
+
+            self.device
+                .cmd_reset_query_pool(
+                    self.compute_command_buffers[self.current_frame],
+                    self.query_pool,
+                    0,
+                    1,
+                );
+
+            self.device.cmd_begin_query(self.compute_command_buffers[self.current_frame], self.query_pool, 0, vk::QueryControlFlags::empty());
+            self.device
                 .cmd_bind_pipeline(
                     command_buffer,
                     vk::PipelineBindPoint::COMPUTE,
                     self.compute_pipeline,
                 );
 
-            device
+            self.device
                 .cmd_bind_descriptor_sets(
                     command_buffer,
                     vk::PipelineBindPoint::COMPUTE,
@@ -840,169 +798,36 @@ impl App {
                     &[],
                 );
 
-            device
+            self.device
                 .cmd_dispatch(
                     command_buffer,
                     (PARTICLE_COUNT / 256) as u32,
                     1,
                     1,
                 );
-            device
-                .end_command_buffer(command_buffer)
-                .expect("failed ending compute command buffer");
-        }
-    }
-
-    fn draw_frame(&mut self) {
-        //compute submission
-        let mut submit_infos;
-
-        unsafe {
-            self.device
-                .wait_for_fences(
-                    &[self.sync_objects.compute_inflight_fences[self.current_frame]],
-                    true,
-                    u64::MAX,
-                );
-        }
-
-        self.update_uniform_buffer(self.current_frame);
-
-        unsafe {
-            self.device
-                .reset_fences(&[self.sync_objects.compute_inflight_fences[self.current_frame]]);
-
-            self.device
-                .reset_command_buffer(self.compute_command_buffers[self.current_frame], vk::CommandBufferResetFlags::empty());
-        }
-
-        self.record_compute_command_buffer(&self.device, self.compute_command_buffers[self.current_frame]);
-
-        submit_infos = [vk::SubmitInfo {
-            s_type: vk::StructureType::SUBMIT_INFO,
-            p_next: ptr::null(),
-            command_buffer_count: 1,
-            p_command_buffers: &self.compute_command_buffers[self.current_frame],
-            signal_semaphore_count: 1,
-            p_signal_semaphores: &self.sync_objects.compute_finished_semaphores[self.current_frame],
-            ..Default::default()
-        }];
-
 
-        unsafe {
+            //log compute shader invocations
-            self.device
+            
-                .queue_submit(
+            self.device.cmd_end_query(self.compute_command_buffers[self.current_frame], self.query_pool, 0);
-                    self.compute_queue,
+
-                    &submit_infos,
+            /*let query_results = unsafe {
-                    self.sync_objects.compute_inflight_fences[self.current_frame]
+                self.device.get_query_pool_results::<u64>(
-                );
+                    self.query_pool,
-        }
+                    0, // Starting query index
-
+                    1, // Number of queries to retrieve (1 in this case)
-        //graphics submission
+                    self.query_mapped, // Results will be stored here
-        
+                    //0, // Query results stride (optional)
-        unsafe {
+                    vk::QueryResultFlags::TYPE_64, // Flags specifying the type of query results
-            self.device
-                .wait_for_fences(
-                    &[self.sync_objects.inflight_fences[self.current_frame]],
-                    true,
-                    u64::MAX,
-                );
-        }
-
-        let (image_index, _is_sub_optimal) = unsafe {
-            let result = self.swapchain_stuff.swapchain_loader.acquire_next_image(
-                self.swapchain_stuff.swapchain,
-                std::u64::MAX,
-                self.sync_objects.image_available_semaphores[self.current_frame],
-                vk::Fence::null(),
-            );
-            match result {
-                Ok(image_index) => image_index,
-                Err(vk_result) => match vk_result {
-                    vk::Result::ERROR_OUT_OF_DATE_KHR => {
-                        SwapChainStuff::recreate_swapchain(self);
-                        return;
-                    }
-                    _ => panic!("Failed to acquire Swap Chain Image!"),
-                },
-            }
-        };
-
-        unsafe {
-            self.device
-                .reset_fences(&[self.sync_objects.inflight_fences[self.current_frame]]);
-            self.device
-                .reset_command_buffer(
-                    self.command_buffers[self.current_frame],
-                    vk::CommandBufferResetFlags::empty(),
-                );
-        }
-        
-        self.record_command_buffer(self.command_buffers[self.current_frame], image_index as usize);
-
-
-        let wait_semaphores = [
-            self.sync_objects.compute_finished_semaphores[self.current_frame],
-            self.sync_objects.image_available_semaphores[self.current_frame],
-        ];
-        let wait_stages = [
-            vk::PipelineStageFlags::VERTEX_INPUT,
-            vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
-        ];
-
-        submit_infos = [vk::SubmitInfo {
-            s_type: vk::StructureType::SUBMIT_INFO,
-            wait_semaphore_count: 2,
-            p_wait_semaphores: wait_semaphores.as_ptr(),
-            p_wait_dst_stage_mask: wait_stages.as_ptr(),
-            p_next: ptr::null(),
-            command_buffer_count: 1,
-            p_command_buffers: &self.command_buffers[self.current_frame],
-            signal_semaphore_count: 1,
-            p_signal_semaphores: &self.sync_objects.render_finished_semaphores[self.current_frame],
-            ..Default::default()
-        }];
-
-        unsafe {
-            self.device
-                .queue_submit(
-                    self.graphics_queue,
-                    &submit_infos,
-                    self.sync_objects.inflight_fences[self.current_frame],
                 )
-                .expect("failed to submit draw command buffer");
+                .expect("Failed to retrieve query pool results"
-        }
+            )};
-
-        let swapchains = [self.swapchain_stuff.swapchain];
 
-        let present_info = vk::PresentInfoKHR {
+            println!("Compute shader invocations: {:?}", self.query_mapped[0]);*/
-            s_type: vk::StructureType::PRESENT_INFO_KHR,
-            p_next: ptr::null(),
-            wait_semaphore_count: 1,
-            p_wait_semaphores: &self.sync_objects.render_finished_semaphores[self.current_frame],
-            swapchain_count: 1,
-            p_swapchains: swapchains.as_ptr(),
-            p_image_indices: &image_index,
-            p_results: ptr::null_mut(),
-        };
-        let result = unsafe {
-            self.swapchain_stuff.swapchain_loader
-                .queue_present(self.present_queue, &present_info)
-        };
 
-        let is_resized = match result {
+            self.device
-            Ok(_) => self.is_framebuffer_resized,
+                .end_command_buffer(command_buffer)
-            Err(vk_result) => match vk_result {
+                .expect("failed ending compute command buffer");
-                vk::Result::ERROR_OUT_OF_DATE_KHR | vk::Result::SUBOPTIMAL_KHR => true,
-                _ => panic!("Failed to execute queue present."),
-            },
-        };
-        if is_resized {
-            self.is_framebuffer_resized = false;
-            SwapChainStuff::recreate_swapchain(self);
         }
-
-        self.current_frame = (self.current_frame + 1) % MAX_FRAMES_IN_FLIGHT;
     }
 
     pub fn create_shader_storage_buffers(
@@ -1013,7 +838,13 @@ impl App {
     ) -> (Vec<vk::Buffer>, Vec<vk::DeviceMemory>) {
         let mut particles = Particle::gen();
 
-        let buffer_size: u64 = std::mem::size_of::<Particle>() as u64 * PARTICLE_COUNT as u64; 
+        let mut particles_slice_data = particles.as_mut_slice();
+
+        //let mut slice = Align::new();
+
+        let mut buffer_size: u64 = std::mem::size_of::<Particle>() as u64 * particles_slice_data.len() as u64;
+
+        println!("particles count: {}, particle size: {}, buffer size: {}", PARTICLE_COUNT as u64, std::mem::size_of::<Particle>() as u64, buffer_size as usize);
 
 
         let (staging_buffer, staging_buffer_memory) = Self::create_buffer(
@@ -1029,7 +860,9 @@ impl App {
         let mut shader_storage_buffers_memory = vec![];
 
         unsafe {
-            let data = device
+            println!("isize max is {}", isize::MAX);
+            println!("mapping device memory");
+            let mut data = device
                 .map_memory(
                     staging_buffer_memory,
                     0,
@@ -1037,11 +870,21 @@ impl App {
                     vk::MemoryMapFlags::empty(),
                 )
                 .expect("failed to map shader storage buffer memory");
-            ptr::copy_nonoverlapping(
+
+            let mem_requirements = unsafe { device.get_buffer_memory_requirements(staging_buffer) };
+
+            println!("mem req: {}", mem_requirements.size);
+            let mut slice = Align::new(
                 data,
-                particles.as_mut_ptr() as *mut c_void,
+                mem::align_of::<Particle>() as u64,
-                buffer_size as usize,
+                mem_requirements.size,
             );
+
+            slice.copy_from_slice(&particles_slice_data);
+
+            println!("DATA INSIDE PARTICLES BUFFER: {}", ParticlesList::from_raw_ptr(data as *const Particle, particles.len()));
+
+            //println!("copying to device memory");
             device
                 .unmap_memory(staging_buffer_memory);
 
@@ -1052,7 +895,8 @@ impl App {
                     vk::BufferUsageFlags::STORAGE_BUFFER |
                     vk::BufferUsageFlags::VERTEX_BUFFER |
                     vk::BufferUsageFlags::TRANSFER_DST,
-                    vk::MemoryPropertyFlags::DEVICE_LOCAL,
+                    vk::MemoryPropertyFlags::DEVICE_LOCAL |
+                    vk::MemoryPropertyFlags::HOST_VISIBLE,
                     physical_device_memory_properties,
                 );
 
@@ -1134,6 +978,9 @@ impl App {
             device.end_command_buffer(alloced_command_buffer);
         }
 
+        println!("src_buffer: {:?}", src_buffer);
+        println!("dst_buffer: {:?}", dst_buffer);
+
         let submit_info = vk::SubmitInfo {
             s_type: vk::StructureType::SUBMIT_INFO,
             command_buffer_count: 1,
@@ -1177,6 +1024,7 @@ impl App {
             p_queue_family_indices: ptr::null(),
         };
 
+        println!("actual buffer size: {}", size);
         let buffer = unsafe {
             device
                 .create_buffer(&buffer_create_info, None)
@@ -1185,6 +1033,8 @@ impl App {
 
         let mem_requirements = unsafe { device.get_buffer_memory_requirements(buffer) };
 
+        println!("memory allocation size: {}", mem_requirements.size);
+
         let allocate_info = vk::MemoryAllocateInfo {
             s_type: vk::StructureType::MEMORY_ALLOCATE_INFO,
             p_next: ptr::null(),
@@ -1278,6 +1128,7 @@ impl App {
 
         let physical_device_features = vk::PhysicalDeviceFeatures {
             sampler_anisotropy: vk::TRUE, // enable anisotropy device feature from Chapter-24.
+            pipeline_statistics_query: vk::TRUE,
             ..Default::default()
         };
 
@@ -1349,7 +1200,7 @@ impl App {
         }
         let clear_color = [vk::ClearValue {
                 color: vk::ClearColorValue {
-                    float32: [1.0, 1.0, 1.0, 1.0],
+                    float32: [0.0, 0.0, 1.0, 1.0],
                 },
         }];
 
@@ -1424,6 +1275,7 @@ impl App {
                     &[self.shader_storage_buffers[self.current_frame]],
                     offsets,
                 );
+            println!("binding to shader storage buffer index: {}", self.current_frame);
             self.device
                 .cmd_draw(
                     command_buffer,
@@ -1851,6 +1703,8 @@ impl App {
                 range: size_of::<UniformBufferObject>() as u64,
             };
 
+            println!("STORAGE BUFFERS INDEXES: {}, {}", (i as i32 - 1) as usize % MAX_FRAMES_IN_FLIGHT, i);
+
             let storage_buffer_info_last_frame = vk::DescriptorBufferInfo {
                 buffer: shader_storage_buffers[(i as i32 - 1) as usize % MAX_FRAMES_IN_FLIGHT],
                 offset: 0,
@@ -1978,6 +1832,27 @@ impl App {
 
         command_buffers
     }
+
+    pub fn create_compute_command_buffers(
+        device: &ash::Device,
+        command_pool: vk::CommandPool,
+    ) -> Vec<vk::CommandBuffer> {
+        let command_buffer_allocate_info = vk::CommandBufferAllocateInfo {
+            s_type: vk::StructureType::COMMAND_BUFFER_ALLOCATE_INFO,
+            p_next: ptr::null(),
+            command_buffer_count: MAX_FRAMES_IN_FLIGHT as u32,
+            command_pool,
+            level: vk::CommandBufferLevel::PRIMARY,
+        };
+        let command_buffers = unsafe {
+            device
+                .allocate_command_buffers(&command_buffer_allocate_info)
+                .expect("Failed to allocate Command Buffers!")
+        };
+
+        command_buffers
+    }
+
     fn wait_device_idle(&self) {
             unsafe {
                 self.device
@@ -1986,3 +1861,238 @@ impl App {
             };
     }
 }
+
+impl VulkanApp for App<'_> {
+
+    fn wait_device_idle(&self) {
+        unsafe {
+            self.device
+                .device_wait_idle()
+                .expect("Failed to wait device idle!")
+        };
+    }
+
+    fn resize_framebuffer(&mut self) {
+        self.is_framebuffer_resized = true;
+    }
+
+    fn window_ref(&self) -> &winit::window::Window {
+        &self.window
+    }
+
+    fn cleanup_swapchain(&self) {
+        self.swapchain_stuff.cleanup_swapchain(&self.device)
+    }
+
+    fn recreate_swapchain(&mut self) {
+        SwapChainStuff::recreate_swapchain(self);
+    }
+
+    fn draw_frame(&mut self) {
+        let mut buffer_size: u64 = std::mem::size_of::<Particle>() as u64 * PARTICLE_COUNT as u64;
+            
+        //compute submission
+        let mut submit_infos;
+
+        unsafe {
+            self.device
+                .wait_for_fences(
+                    &[self.sync_objects.compute_inflight_fences[self.current_frame]],
+                    true,
+                    u64::MAX,
+                );
+        }
+
+        self.update_uniform_buffer(self.current_frame);
+
+        unsafe {
+            self.device
+                .reset_fences(&[self.sync_objects.compute_inflight_fences[self.current_frame]]);
+
+            self.device
+                .reset_command_buffer(self.compute_command_buffers[self.current_frame], vk::CommandBufferResetFlags::empty());
+        }
+
+        //RESET query pool for compute shader statistics
+        /*unsafe {
+            self.device
+                .cmd_reset_query_pool(
+                    self.compute_command_buffers[self.current_frame],
+                    self.query_pool,
+                    0,
+                    1,
+                );
+        }*/
+
+        self.record_compute_command_buffer(self.compute_command_buffers[self.current_frame]);
+        self.update_uniform_buffer(self.current_frame);
+
+        submit_infos = [vk::SubmitInfo {
+            s_type: vk::StructureType::SUBMIT_INFO,
+            p_next: ptr::null(),
+            command_buffer_count: 1,
+            p_command_buffers: &self.compute_command_buffers[self.current_frame],
+            signal_semaphore_count: 1,
+            p_signal_semaphores: &self.sync_objects.compute_finished_semaphores[self.current_frame],
+            ..Default::default()
+        }];
+
+
+        unsafe {
+            self.device
+                .queue_submit(
+                    self.compute_queue,
+                    &submit_infos,
+                    self.sync_objects.compute_inflight_fences[self.current_frame]
+                );
+        }
+
+        /*log compute shader invocations
+        
+        unsafe {
+            self.device.cmd_end_query(self.compute_command_buffers[self.current_frame], query_pool, 0);
+        }
+
+        let query_results = unsafe {
+            self.device.get_query_pool_results::<u32>(
+                query_pool,
+                0, // Starting query index
+                1, // Number of queries to retrieve (1 in this case)
+                data, // Results will be stored here
+                //0, // Query results stride (optional)
+                vk::QueryResultFlags::TYPE_64, // Flags specifying the type of query results
+            )
+            .expect("Failed to retrieve query pool results"
+        )};
+
+        println!("Compute shader invocations: {:?}", data[0]);*/
+
+        //graphics submission
+        
+        unsafe {
+            self.device
+                .wait_for_fences(
+                    &[self.sync_objects.inflight_fences[self.current_frame]],
+                    true,
+                    u64::MAX,
+                );
+        }
+
+        let (image_index, _is_sub_optimal) = unsafe {
+            let result = self.swapchain_stuff.swapchain_loader.acquire_next_image(
+                self.swapchain_stuff.swapchain,
+                std::u64::MAX,
+                self.sync_objects.image_available_semaphores[self.current_frame],
+                vk::Fence::null(),
+            );
+            match result {
+                Ok(image_index) => image_index,
+                Err(vk_result) => match vk_result {
+                    vk::Result::ERROR_OUT_OF_DATE_KHR => {
+                        SwapChainStuff::recreate_swapchain(self);
+                        return;
+                    }
+                    _ => panic!("Failed to acquire Swap Chain Image!"),
+                },
+            }
+        };
+
+        unsafe {
+            self.device
+                .reset_fences(&[self.sync_objects.inflight_fences[self.current_frame]]);
+            self.device
+                .reset_command_buffer(
+                    self.command_buffers[self.current_frame],
+                    vk::CommandBufferResetFlags::empty(),
+                );
+        }
+        
+        self.record_command_buffer(self.command_buffers[self.current_frame], image_index as usize);
+
+
+        let wait_semaphores = [
+            self.sync_objects.compute_finished_semaphores[self.current_frame],
+            self.sync_objects.image_available_semaphores[self.current_frame],
+        ];
+        let wait_stages = [
+            vk::PipelineStageFlags::VERTEX_INPUT,
+            vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
+        ];
+
+        submit_infos = [vk::SubmitInfo {
+            s_type: vk::StructureType::SUBMIT_INFO,
+            wait_semaphore_count: 2,
+            p_wait_semaphores: wait_semaphores.as_ptr(),
+            p_wait_dst_stage_mask: wait_stages.as_ptr(),
+            p_next: ptr::null(),
+            command_buffer_count: 1,
+            p_command_buffers: &self.command_buffers[self.current_frame],
+            signal_semaphore_count: 1,
+            p_signal_semaphores: &self.sync_objects.render_finished_semaphores[self.current_frame],
+            ..Default::default()
+        }];
+
+        unsafe {
+            self.device
+                .queue_submit(
+                    self.graphics_queue,
+                    &submit_infos,
+                    self.sync_objects.inflight_fences[self.current_frame],
+                )
+                .expect("failed to submit draw command buffer");
+        }
+
+        let swapchains = [self.swapchain_stuff.swapchain];
+
+        let present_info = vk::PresentInfoKHR {
+            s_type: vk::StructureType::PRESENT_INFO_KHR,
+            p_next: ptr::null(),
+            wait_semaphore_count: 1,
+            p_wait_semaphores: &self.sync_objects.render_finished_semaphores[self.current_frame],
+            swapchain_count: 1,
+            p_swapchains: swapchains.as_ptr(),
+            p_image_indices: &image_index,
+            p_results: ptr::null_mut(),
+        };
+        let result = unsafe {
+            self.swapchain_stuff.swapchain_loader
+                .queue_present(self.present_queue, &present_info)
+        };
+
+        let is_resized = match result {
+            Ok(_) => self.is_framebuffer_resized,
+            Err(vk_result) => match vk_result {
+                vk::Result::ERROR_OUT_OF_DATE_KHR | vk::Result::SUBOPTIMAL_KHR => true,
+                _ => panic!("Failed to execute queue present."),
+            },
+        };
+        if is_resized {
+            self.is_framebuffer_resized = false;
+            SwapChainStuff::recreate_swapchain(self);
+        }
+
+        //println!("resized {}", self.is_framebuffer_resized);
+        
+        //log compute shader invocations
+        
+        /*unsafe {
+            self.device.cmd_end_query(self.compute_command_buffers[self.current_frame], self.query_pool, 0);
+        }*/
+
+        let query_results = unsafe {
+            self.device.get_query_pool_results::<u64>(
+                self.query_pool,
+                0, // Starting query index
+                1, // Number of queries to retrieve (1 in this case)
+                self.query_mapped, // Results will be stored here
+                //0, // Query results stride (optional)
+                vk::QueryResultFlags::TYPE_64, // Flags specifying the type of query results
+            )};
+
+        println!("Compute shader invocations: {:?}", self.query_mapped[0]);
+
+        self.current_frame = (self.current_frame + 1) % MAX_FRAMES_IN_FLIGHT;
+    }
+
+}
+

src/shaders/tri.comp

@@ -3,7 +3,7 @@
 struct Particle {
 	vec2 position;
 	vec2 velocity;
-	vec4 color;
+    vec4 color;
 };
 
 layout (binding = 0) uniform ParameterUBO {
@@ -27,10 +27,17 @@ void main()
     Particle particleIn = particlesIn[index];
 
     //particlesOut[index].position = particleIn.position + particleIn.velocity.xy * ubo.deltaTime;
-    
+    particlesOut[index].position = particleIn.position + vec2(1.0, 1.0) * ubo.deltaTime;
+    particlesOut[index].position = vec2(100.0, 100.0);
+    particlesOut[0].position = vec2(100.0, 100.0);
+    //particlesOut[index].position = vec2(100, 100);
     particlesOut[index].velocity = particleIn.velocity;
-
+    particlesOut[index].color = vec4(150.0, 150.0, 150.0, 150.0);
-    particlesOut[index].position = vec2(5, 5)
+    particlesOut[0].color = vec4(1.0, 1.0, 1.0, 1.0);
+    particlesOut[1].color = vec4(1.0, 1.0, 1.0, 1.0);
+    particlesOut[2].color = vec4(1.0, 1.0, 1.0, 1.0);
+    particlesOut[3].color = vec4(1.0, 1.0, 1.0, 1.0);
+    particlesOut[4].color = vec4(1.0, 1.0, 1.0, 1.0);
 
     // Flip movement at window border
     if ((particlesOut[index].position.x <= -1.0) || (particlesOut[index].position.x >= 1.0)) {

src/shaders/tri.frag

@@ -7,5 +7,6 @@ layout(location = 0) out vec4 outColor;
 void main() {
 
     vec2 coord = gl_PointCoord - vec2(0.5);
-    outColor = vec4(fragColor, 0.5 - length(coord));
+    //outColor = vec4(fragColor, 0.5 - length(coord));
+    outColor = vec4(fragColor, 1.0);
 }

src/shaders/tri.vert

@@ -8,6 +8,7 @@ layout(location = 0) out vec3 fragColor;
 void main() {
 
     gl_PointSize = 14.0;
-    gl_Position = vec4(inPosition.xy, 1.0, 1.0);
+    gl_Position = vec4(inPosition, 1.0, 1.0);
     fragColor = inColor.rgb;
+    //fragColor = vec3(1.0, 1.0, 1.0);
 }

src/utility.rs

@@ -2,6 +2,6 @@ pub mod constants;
 pub mod debug;
 pub mod fps_limiter;
 pub mod platforms;
-//pub mod share;
+pub mod window;
 pub mod structures;
 pub mod tools;

src/utility/constants.rs

@@ -18,7 +18,7 @@ pub const DEVICE_EXTENSIONS: DeviceExtension = DeviceExtension {
     names: ["VK_KHR_swapchain"],
 };
 pub const MAX_FRAMES_IN_FLIGHT: usize = 2;
-pub const IS_PAINT_FPS_COUNTER: bool = true;
+pub const IS_PAINT_FPS_COUNTER: bool = false;
 
 impl DeviceExtension {
     pub fn get_extensions_raw_names(&self) -> [*const c_char; 1] {

src/utility/structures.rs

@@ -8,6 +8,7 @@ use memoffset::offset_of;
 use super::platforms;
 use crate::render::App;
 use crate::render::*;
+use crate::utility::window::VulkanApp;
 
 pub struct DeviceExtension {
     pub names: [&'static str; 1],
@@ -151,6 +152,11 @@ impl SwapChainStuff {
                     .destroy_image_view(*imageview, None)
             }
         }
+
+        unsafe {
+            self.swapchain_loader
+                .destroy_swapchain(self.swapchain, None)
+        }
     }
 
     pub fn recreate_swapchain(app: &mut App) {
@@ -159,7 +165,7 @@ impl SwapChainStuff {
                 .device_wait_idle();
         }
 
-        app.swapchain_stuff.cleanup_swapchain(&app.device);
+        app.cleanup_swapchain();
 
         app.swapchain_stuff = SwapChainStuff::new(
             &app.instance,
@@ -170,8 +176,8 @@ impl SwapChainStuff {
             &app.queue_family,
         );
 
-        App::create_image_views(&app.device, &app.swapchain_stuff.swapchain_format, &app.swapchain_stuff.swapchain_images);
+        app.swapchain_stuff.swapchain_imageviews = App::create_image_views(&app.device, &app.swapchain_stuff.swapchain_format, &app.swapchain_stuff.swapchain_images);
-        App::create_framebuffers(&app.device, app.render_pass, &app.swapchain_stuff.swapchain_imageviews, &app.swapchain_stuff.swapchain_extent);
+        app.swapchain_stuff.swapchain_framebuffers = App::create_framebuffers(&app.device, app.render_pass, &app.swapchain_stuff.swapchain_imageviews, &app.swapchain_stuff.swapchain_extent);
     }
 
     pub fn choose_swapchain_extent(

src/utility/window.rs

@@ -0,0 +1,91 @@
+
+use winit::event::{Event, VirtualKeyCode, ElementState, KeyboardInput, WindowEvent};
+use winit::event_loop::{EventLoop, ControlFlow};
+
+
+const IS_PAINT_FPS_COUNTER: bool = true;
+
+pub fn init_window(
+    event_loop: &EventLoop<()>,
+    title: &str,
+    width: u32,
+    height: u32,
+) -> winit::window::Window {
+    winit::window::WindowBuilder::new()
+        .with_title(title)
+        .with_inner_size(winit::dpi::LogicalSize::new(width, height))
+        .build(event_loop)
+        .expect("Failed to create window.")
+}
+
+pub trait VulkanApp {
+    fn draw_frame(&mut self);
+    fn recreate_swapchain(&mut self);
+    fn cleanup_swapchain(&self);
+    fn wait_device_idle(&self);
+    fn resize_framebuffer(&mut self);
+    fn window_ref(&self) -> &winit::window::Window;
+}
+
+pub struct ProgramProc {
+    pub event_loop: EventLoop<()>,
+}
+
+impl ProgramProc {
+    pub fn new() -> ProgramProc {
+        ProgramProc { event_loop: EventLoop::new() }
+    }
+
+    pub fn main_loop<A: 'static + VulkanApp>(self, mut vulkan_app: A) {
+        let mut tick_counter = super::fps_limiter::FPSLimiter::new();
+
+        self.event_loop
+            .run(move |event, _, control_flow| {/*println!("evl");*/match event {
+                Event::WindowEvent { event, .. } => match event {
+                    WindowEvent::CloseRequested => {
+                        vulkan_app.wait_device_idle();
+                        *control_flow = ControlFlow::Exit
+                    }
+                    WindowEvent::KeyboardInput { input, .. } => match input {
+                        KeyboardInput {
+                            virtual_keycode,
+                            state,
+                            ..
+                        } => match (virtual_keycode, state) {
+                            (Some(VirtualKeyCode::Escape), ElementState::Pressed) => {
+                                vulkan_app.wait_device_idle();
+                                *control_flow = ControlFlow::Exit
+                            }
+                            _ => {}
+                        },
+                    },
+                    WindowEvent::Resized(_new_size) => {
+                        println!("resizing framebuffer event");
+                        vulkan_app.wait_device_idle();
+                        vulkan_app.resize_framebuffer();
+                    }
+                    _ => {}
+                },
+                Event::MainEventsCleared => {
+                    vulkan_app.window_ref().request_redraw();
+                }
+                Event::RedrawRequested(_window_id) => {
+                    //println!("redraw req");
+                    let delta_time = tick_counter.delta_time();
+                    vulkan_app.draw_frame();
+                    //println!("frame drawn!");
+
+                    if IS_PAINT_FPS_COUNTER {
+                        print!("FPS: {}\r", tick_counter.fps());
+                    }
+
+                    tick_counter.tick_frame();
+                }
+                Event::LoopDestroyed => {
+                    vulkan_app.wait_device_idle();
+                }
+                _ => (),
+            }})
+    }
+}
+