commit c32931e2c7dff496903a1b813d930078048d0290
Author: Pavel Kirilin <s3riussan@gmail.com>
Date:   Tue Jul 7 04:11:59 2026 +0200

    Initial commit.
    
    Signed-off-by: Pavel Kirilin <s3riussan@gmail.com>

diff --git a/.gitignore b/.gitignore
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+ "libloading",
+ "nom",
+ "once_cell",
+ "parking_lot",
+ "proc-macro2",
+ "quote",
+ "raw-window-handle",
+ "raw-window-metal",
+ "serde",
+ "serde_json",
+ "slabbin",
+ "smallvec",
+ "thread_local",
+ "vk-parse",
+ "vulkano-macros",
+ "x11-dl",
+ "x11rb",
+]
+
+[[package]]
+name = "vulkano-macros"
+version = "0.35.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dc929c42c9336fd082079ac3ea30126e4a0dfe36fd2e2b3581303f7d140d20f"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "vulkano-shaders"
+version = "0.35.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bf501461be7cef2893c0e62c50945add9763cc482051d29053f6157089d5ea9"
+dependencies = [
+ "foldhash",
+ "heck",
+ "proc-macro2",
+ "quote",
+ "shaderc",
+ "syn",
+ "vulkano",
+]
+
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "winnow"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0592e1c9d151f854e6fd382574c3a0855250e1d9b2f99d9281c6e6391af352f1"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "x11-dl"
+version = "2.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38735924fedd5314a6e548792904ed8c6de6636285cb9fec04d5b1db85c1516f"
+dependencies = [
+ "libc",
+ "once_cell",
+ "pkg-config",
+]
+
+[[package]]
+name = "x11rb"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9993aa5be5a26815fe2c3eacfc1fde061fc1a1f094bf1ad2a18bf9c495dd7414"
+dependencies = [
+ "as-raw-xcb-connection",
+ "gethostname",
+ "libc",
+ "rustix",
+ "x11rb-protocol",
+]
+
+[[package]]
+name = "x11rb-protocol"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6fc2961e4ef194dcbfe56bb845534d0dc8098940c7e5c012a258bfec6701bd"
+
+[[package]]
+name = "xml-rs"
+version = "0.8.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae8337f8a065cfc972643663ea4279e04e7256de865aa66fe25cec5fb912d3f"
+
+[[package]]
+name = "xmlparser"
+version = "0.13.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66fee0b777b0f5ac1c69bb06d361268faafa61cd4682ae064a171c16c433e9e4"
+
+[[package]]
+name = "zerocopy"
+version = "0.8.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75726053136156d419e285b9b7eddaaea9e3fea6ce32eed44a89901f0bd98de1"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.53"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4714fd92cf900833d49538023a9b3915155210801d1c1169eba513b2addefd71"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ca93807
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "vul_tut"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+vulkano = "0.35.2"
+vulkano-shaders = "0.35.0"
+
+[profile.dev]
+opt-level = 1
diff --git a/shaders/mul12.glsl b/shaders/mul12.glsl
new file mode 100644
index 0000000..6ef3b92
--- /dev/null
+++ b/shaders/mul12.glsl
@@ -0,0 +1,12 @@
+#version 460
+
+layout(local_size_x = 32, local_size_y = 1, local_size_z = 1) in;
+
+layout(set = 0, binding = 0) buffer Data {
+    uint data[];
+} buf;
+
+void main() {
+    uint idx = gl_GlobalInvocationID.x;
+    buf.data[idx] *= 12;
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..7264cb8
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,184 @@
+use std::sync::Arc;
+
+use vulkano::{
+    VulkanLibrary,
+    buffer::{Buffer, BufferCreateInfo, BufferUsage},
+    command_buffer::{
+        AutoCommandBufferBuilder,
+        allocator::{StandardCommandBufferAllocator, StandardCommandBufferAllocatorCreateInfo},
+    },
+    descriptor_set::{
+        DescriptorSet, WriteDescriptorSet,
+        allocator::{StandardDescriptorSetAllocator, StandardDescriptorSetAllocatorCreateInfo},
+    },
+    device::{Device, DeviceCreateInfo, QueueCreateInfo, QueueFlags},
+    instance::{Instance, InstanceCreateFlags, InstanceCreateInfo},
+    memory::allocator::{AllocationCreateInfo, MemoryTypeFilter, StandardMemoryAllocator},
+    pipeline::{
+        ComputePipeline, Pipeline, PipelineLayout, PipelineShaderStageCreateInfo,
+        compute::ComputePipelineCreateInfo, layout::PipelineDescriptorSetLayoutCreateInfo,
+    },
+    sync::{self, GpuFuture},
+};
+
+mod shaders {
+    vulkano_shaders::shader! {
+        shaders: {
+            mul12: {
+                ty: "compute",
+                path: "shaders/mul12.glsl"
+            }
+        }
+    }
+}
+
+fn main() {
+    let lib = VulkanLibrary::new().expect("Vulkan is not available.");
+    let vk_instance = Instance::new(
+        lib,
+        InstanceCreateInfo {
+            application_name: Some(String::from("My_app")),
+            engine_name: Some(String::from("SHIT_AND_STONE")),
+            flags: InstanceCreateFlags::ENUMERATE_PORTABILITY,
+            ..Default::default()
+        },
+    )
+    .expect("Couldn't initialize vk_instance");
+    let phy_device = vk_instance
+        .enumerate_physical_devices()
+        .expect("Cannot get any physcial devices")
+        .next()
+        .expect("List of physical devices is empty!");
+
+    println!(
+        "Using physical device {}. Driver: {}:{}",
+        phy_device.properties().device_name,
+        phy_device
+            .properties()
+            .driver_name
+            .as_ref()
+            .unwrap_or(&String::from("<Unknown>")),
+        phy_device.properties().driver_version
+    );
+
+    let family_idx = phy_device
+        .queue_family_properties()
+        .iter()
+        .position(|family| family.queue_flags.contains(QueueFlags::COMPUTE))
+        .expect("Cound't find any queue family with GRAPHICS support") as u32;
+
+    let (device, mut queues) = Device::new(
+        phy_device.clone(),
+        DeviceCreateInfo {
+            queue_create_infos: vec![QueueCreateInfo {
+                queue_family_index: family_idx as u32,
+                ..Default::default()
+            }],
+            ..Default::default()
+        },
+    )
+    .expect("Cannot create virtual device");
+
+    let mul12shader = shaders::load_mul12(device.clone()).expect("Cannot load shaders!");
+
+    let main_queue = queues.next().expect("Cannot get main queue");
+    let memory_allocator = Arc::new(StandardMemoryAllocator::new_default(device.clone()));
+
+    let src_content = 0..65536u32;
+    let src_buffer = Buffer::from_iter(
+        memory_allocator.clone(),
+        BufferCreateInfo {
+            usage: BufferUsage::STORAGE_BUFFER,
+            ..Default::default()
+        },
+        AllocationCreateInfo {
+            memory_type_filter: MemoryTypeFilter::PREFER_DEVICE
+                | MemoryTypeFilter::HOST_SEQUENTIAL_WRITE,
+            ..Default::default()
+        },
+        src_content,
+    )
+    .expect("Cannot allocate Source buffer!");
+
+    let cs = mul12shader
+        .entry_point("main")
+        .expect("Entry point is not found");
+    let stage = PipelineShaderStageCreateInfo::new(cs);
+    let layout = PipelineLayout::new(
+        device.clone(),
+        PipelineDescriptorSetLayoutCreateInfo::from_stages([&stage])
+            .into_pipeline_layout_create_info(device.clone())
+            .expect("Cannot create pipeline layout create info!"),
+    )
+    .expect("Cannot create pipeline layout!");
+    let compute_pipeline = ComputePipeline::new(
+        device.clone(),
+        None,
+        ComputePipelineCreateInfo::stage_layout(stage, layout),
+    )
+    .expect("Cannot create compute pipeline!");
+
+    let ds_allocator = Arc::new(StandardDescriptorSetAllocator::new(
+        device.clone(),
+        StandardDescriptorSetAllocatorCreateInfo::default(),
+    ));
+    let pipeline_layout = compute_pipeline.layout();
+    let descriptor_set_layouts = pipeline_layout.set_layouts();
+
+    let descriptor_set_layout_idx = 0;
+    let descriptor_set_layout = descriptor_set_layouts
+        .get(descriptor_set_layout_idx)
+        .expect("Cannot get descriptor_set layout!");
+    let desciptor_set = DescriptorSet::new(
+        ds_allocator,
+        descriptor_set_layout.clone(),
+        [WriteDescriptorSet::buffer(0, src_buffer.clone())],
+        [],
+    )
+    .expect("Cannot create descriptor set.");
+    let cmd_allocator = Arc::new(StandardCommandBufferAllocator::new(
+        device.clone(),
+        StandardCommandBufferAllocatorCreateInfo::default(),
+    ));
+    let mut cmd_buffer_builder = AutoCommandBufferBuilder::primary(
+        cmd_allocator.clone(),
+        main_queue.queue_family_index(),
+        vulkano::command_buffer::CommandBufferUsage::OneTimeSubmit,
+    )
+    .expect("Cannot create cmd_buffer_builder");
+
+    let work_dim = [2048, 1, 1];
+
+    unsafe {
+        cmd_buffer_builder
+            .bind_pipeline_compute(compute_pipeline.clone())
+            .expect("Cannot bind compute pipeline.")
+            .bind_descriptor_sets(
+                vulkano::pipeline::PipelineBindPoint::Compute,
+                compute_pipeline.layout().clone(),
+                descriptor_set_layout_idx as u32,
+                desciptor_set,
+            )
+            .expect("Cannot submit compute pipeline.")
+            .dispatch(work_dim)
+            .expect("Cannot submit dispatch task");
+    };
+    let primary_cmd_buffer = cmd_buffer_builder
+        .build()
+        .expect("Cannot build cmd_buffer!");
+
+    let fut = sync::now(device.clone())
+        .then_execute(main_queue.clone(), primary_cmd_buffer)
+        .expect("Cannot copy primary_cmd_buffer")
+        .then_signal_fence_and_flush()
+        .expect("Cannot fence and flush to the Device");
+
+    fut.wait(None).expect("Failed waiting for the results!");
+
+    let content = src_buffer.read().unwrap();
+    for (n, val) in content.iter().enumerate() {
+        assert_eq!(*val, n as u32 * 12);
+    }
+
+    println!("Shader computed")
+}