vk: redo the hello_triangle

librashader-runtime-vk/shader/triangle_simple/shader.frag

@@ -0,0 +1,9 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+outColor = vec4(fragColor, 1.0);
+}

librashader-runtime-vk/shader/triangle_simple/shader.vert

@@ -0,0 +1,20 @@
+#version 450
+
+layout(location = 0) out vec3 fragColor;
+
+vec2 positions[3] = vec2[](
+    vec2(0.0, -0.5),
+    vec2(0.5, 0.5),
+    vec2(-0.5, 0.5)
+);
+
+vec3 colors[3] = vec3[](
+    vec3(1.0, 0.0, 0.0),
+    vec3(0.0, 1.0, 0.0),
+    vec3(0.0, 0.0, 1.0)
+);
+
+void main() {
+    gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
+    fragColor = colors[gl_VertexIndex];
+}

librashader-runtime-vk/src/hello_triangle/command.rs

@@ -0,0 +1,38 @@
+use ash::prelude::VkResult;
+use ash::vk;
+use crate::hello_triangle::physicaldevice::find_queue_family;
+use crate::hello_triangle::vulkan_base::VulkanBase;
+
+pub struct VulkanCommandPool {
+    pool: vk::CommandPool,
+    device: ash::Device,
+    pub buffers: Vec<vk::CommandBuffer>
+}
+
+impl VulkanCommandPool {
+    pub fn new(base: &VulkanBase, frames_in_flight: u32) -> VkResult<VulkanCommandPool> {
+        let indices = find_queue_family(&base.instance, base.physical_device.clone());
+
+        let create_info = vk::CommandPoolCreateInfo::builder()
+            .flags(vk::CommandPoolCreateFlags::RESET_COMMAND_BUFFER)
+            .queue_family_index(indices.graphics_family())
+            .build();
+
+        unsafe {
+            let pool = base.device.create_command_pool(&create_info, None)?;
+            let buffer_info = vk::CommandBufferAllocateInfo::builder()
+                .command_pool(pool)
+                .level(vk::CommandBufferLevel::PRIMARY)
+                .command_buffer_count(frames_in_flight)
+                .build();
+
+            let buffers = base.device.allocate_command_buffers(&buffer_info)?;
+            Ok(VulkanCommandPool {
+                pool,
+                device: base.device.clone(),
+                buffers,
+            })
+        }
+    }
+
+}

librashader-runtime-vk/src/hello_triangle/framebuffer.rs

@@ -0,0 +1,27 @@
+use ash::prelude::VkResult;
+use ash::vk;
+use crate::hello_triangle::swapchain::VulkanSwapchain;
+
+pub struct VulkanFramebuffer {
+    pub framebuffer: vk::Framebuffer,
+}
+
+impl VulkanFramebuffer {
+    pub fn new(device: &ash::Device, image_view: &vk::ImageView, render_pass: &vk::RenderPass, width: u32, height: u32) -> VkResult<VulkanFramebuffer> {
+        let attachments = &[*image_view];
+        let framebuffer_info = vk::FramebufferCreateInfo::builder()
+            .render_pass(*render_pass)
+            .attachments(attachments)
+            .width(width)
+            .height(height)
+            .layers(1)
+            .build();
+
+        unsafe {
+            let framebuffer = device.create_framebuffer(&framebuffer_info, None)?;
+            Ok(VulkanFramebuffer {
+                framebuffer
+            })
+        }
+    }
+}

librashader-runtime-vk/src/hello_triangle/mod.rs

@@ -3,13 +3,22 @@ mod debug;
 mod physicaldevice;
 mod surface;
 mod swapchain;
+mod pipeline;
+mod framebuffer;
+mod command;
+mod syncobjects;
 
+use ash::vk;
 use winit::event::{Event, VirtualKeyCode, ElementState, KeyboardInput, WindowEvent};
 use winit::event_loop::{EventLoop, ControlFlow, EventLoopBuilder};
 use winit::platform::windows::EventLoopBuilderExtWindows;
 use crate::filter_chain::{FilterChainVulkan, Vulkan};
+use crate::hello_triangle::command::VulkanCommandPool;
+use crate::hello_triangle::framebuffer::VulkanFramebuffer;
+use crate::hello_triangle::pipeline::VulkanPipeline;
 use crate::hello_triangle::surface::VulkanSurface;
 use crate::hello_triangle::swapchain::VulkanSwapchain;
+use crate::hello_triangle::syncobjects::SyncObjects;
 use crate::hello_triangle::vulkan_base::VulkanBase;
 
 // Constants
@@ -24,11 +33,12 @@ impl VulkanWindow {
         winit::window::WindowBuilder::new()
             .with_title(WINDOW_TITLE)
             .with_inner_size(winit::dpi::LogicalSize::new(WINDOW_WIDTH, WINDOW_HEIGHT))
+            .with_resizable(false)
             .build(event_loop)
             .expect("Failed to create window.")
     }
 
-    pub fn main_loop(event_loop: EventLoop<()>) {
+    pub fn main_loop(event_loop: EventLoop<()>, window: winit::window::Window, vulkan: VulkanDraw, mut filter_chain: FilterChainVulkan) {
         event_loop.run(move |event, _, control_flow| {
             match event {
                 | Event::WindowEvent { event, .. } => {
@@ -41,7 +51,6 @@ impl VulkanWindow {
                                 | KeyboardInput { virtual_keycode, state, .. } => {
                                     match (virtual_keycode, state) {
                                         | (Some(VirtualKeyCode::Escape), ElementState::Pressed) => {
-                                            dbg!();
                                             *control_flow = ControlFlow::Exit
                                         },
                                         | _ => {},
@@ -52,17 +61,134 @@ impl VulkanWindow {
                         | _ => {},
                     }
                 },
+                | Event::MainEventsCleared => {
+                    window.request_redraw();
+                },
+                | Event::RedrawRequested(_window_id) => {
+                    VulkanWindow::draw_frame(&vulkan, &mut filter_chain);
+                },
                 _ => (),
             }
 
         })
     }
+
+    unsafe fn record_command_buffer(vulkan: &VulkanDraw, swapchain_index: u32) -> vk::CommandBuffer {
+        let clear_values = [
+            vk::ClearValue {
+                color: vk::ClearColorValue {
+                    float32: [0.3, 0.3, 0.5, 0.0],
+                },
+            },
+        ];
+
+        let render_pass_begin = vk::RenderPassBeginInfo::builder()
+            .render_pass(vulkan.pipeline.renderpass)
+            .framebuffer(vulkan.framebuffers[swapchain_index as usize].framebuffer)
+            .render_area(vk::Rect2D {
+                extent: vulkan.swapchain.extent,
+                ..Default::default()
+            })
+            .clear_values(&clear_values)
+            .build();
+
+
+        let cmd = vulkan.command_pool.buffers[swapchain_index as usize];
+        vulkan.base.device.reset_command_buffer(cmd, vk::CommandBufferResetFlags::empty())
+            .expect("could not reset command buffer");
+
+        vulkan.base.device.begin_command_buffer(cmd, &vk::CommandBufferBeginInfo::default())
+            .expect("failed to begin command buffer");
+
+        vulkan.base.device
+            .cmd_begin_render_pass(cmd,
+                                   &render_pass_begin, vk::SubpassContents::INLINE);
+
+        vulkan.base.device
+            .cmd_bind_pipeline(cmd, vk::PipelineBindPoint::GRAPHICS, vulkan.pipeline.graphic_pipeline);
+
+        vulkan.base.device
+            .cmd_set_viewport(cmd, 0, &[vk::Viewport {
+                max_depth: 1.0,
+                width: vulkan.swapchain.extent.width as f32,
+                height: vulkan.swapchain.extent.height as f32,
+                ..Default::default()
+            }]);
+
+        vulkan.base.device
+            .cmd_set_scissor(cmd, 0, &[vk::Rect2D {
+                offset: Default::default(),
+                extent: vulkan.swapchain.extent
+            }]);
+
+        vulkan.base.device.cmd_draw(cmd, 3, 1, 0, 0);
+        vulkan.base.device.cmd_end_render_pass(cmd);
+
+        vulkan.base.device.end_command_buffer(cmd).expect("failed to record commandbuffer");
+
+        cmd
+    }
+
+    fn draw_frame(vulkan: &VulkanDraw, filter: &mut FilterChainVulkan) {
+        unsafe {
+            vulkan.base.device.wait_for_fences(&[vulkan.sync.in_flight], true, u64::MAX)
+                .unwrap();
+            vulkan.base.device.reset_fences(&[vulkan.sync.in_flight])
+                .unwrap();
+
+
+            let (swapchain_index, _) = vulkan.swapchain.loader.acquire_next_image(vulkan.swapchain.swapchain, u64::MAX, vulkan.sync.image_available, vk::Fence::null())
+                .unwrap();
+
+            let cmd = Self::record_command_buffer(vulkan, swapchain_index);
+
+            let submit_info = vk::SubmitInfo::builder()
+                .wait_dst_stage_mask(&[vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT])
+                .wait_semaphores(&[vulkan.sync.image_available])
+                .signal_semaphores(&[vulkan.sync.render_finished])
+                .command_buffers(&[cmd])
+                .build();
+
+            vulkan.base.device.queue_submit(vulkan.base.graphics_queue, &[submit_info], vulkan.sync.in_flight)
+                .expect("failed to submit queue");
+
+            let present_info = vk::PresentInfoKHR::builder()
+                .wait_semaphores(&[vulkan.sync.render_finished])
+                .swapchains(&[vulkan.swapchain.swapchain])
+                .image_indices(&[swapchain_index])
+                .build();
+
+            vulkan.swapchain.loader.queue_present(vulkan.base.graphics_queue, &present_info)
+                .unwrap();
+
+        }
+    }
 }
 
+pub fn find_memorytype_index(
+    memory_req: &vk::MemoryRequirements,
+    memory_prop: &vk::PhysicalDeviceMemoryProperties,
+    flags: vk::MemoryPropertyFlags,
+) -> Option<u32> {
+    memory_prop.memory_types[..memory_prop.memory_type_count as _]
+        .iter()
+        .enumerate()
+        .find(|(index, memory_type)| {
+            (1 << index) & memory_req.memory_type_bits != 0
+                && memory_type.property_flags & flags == flags
+        })
+        .map(|(index, _memory_type)| index as _)
+}
+
+
 pub struct VulkanDraw {
     surface: VulkanSurface,
     base: VulkanBase,
     pub swapchain: VulkanSwapchain,
+    pub pipeline: VulkanPipeline,
+    pub framebuffers: Vec<VulkanFramebuffer>,
+    pub command_pool: VulkanCommandPool,
+    pub sync: SyncObjects,
 }
 
 pub fn main(vulkan: VulkanBase, filter_chain: FilterChainVulkan) {
@@ -78,11 +204,29 @@ pub fn main(vulkan: VulkanBase, filter_chain: FilterChainVulkan) {
     let swapchain = VulkanSwapchain::new(&vulkan, &surface, WINDOW_WIDTH, WINDOW_HEIGHT)
         .unwrap();
 
+    let pipeline = unsafe { VulkanPipeline::new(&vulkan, &swapchain) }
+        .unwrap();
+
+    let mut framebuffers = vec![];
+    for image in &swapchain.image_views {
+        framebuffers.push(VulkanFramebuffer::new(&vulkan.device, image, &pipeline.renderpass, WINDOW_WIDTH, WINDOW_HEIGHT).unwrap())
+    }
+
+    let command_pool = VulkanCommandPool::new(&vulkan, 3)
+        .unwrap();
+
+    let sync = SyncObjects::new(&vulkan.device)
+        .unwrap();
+
     let vulkan = VulkanDraw {
         surface,
         swapchain,
-        base: vulkan
+        base: vulkan,
+        pipeline,
+        framebuffers,
+        command_pool,
+        sync
     };
 
-    VulkanWindow::main_loop(event_loop);
+    VulkanWindow::main_loop(event_loop, window, vulkan, filter_chain);
 }

librashader-runtime-vk/src/hello_triangle/pipeline.rs

@@ -0,0 +1,349 @@
+use std::ffi::CStr;
+use std::io::Cursor;
+use std::mem::align_of;
+use ash::prelude::VkResult;
+use ash::util::{Align, read_spv};
+use ash::vk;
+use bytemuck::offset_of;
+use crate::hello_triangle::find_memorytype_index;
+use crate::hello_triangle::surface::VulkanSurface;
+use crate::hello_triangle::swapchain::VulkanSwapchain;
+use crate::hello_triangle::vulkan_base::VulkanBase;
+
+#[derive(Default, Clone, Debug, Copy)]
+struct Vertex {
+    pos: [f32; 4],
+    color: [f32; 4],
+}
+
+pub struct VulkanPipeline {
+    pub graphic_pipeline: vk::Pipeline,
+    pub renderpass: vk::RenderPass,
+    pub pipeline_layout: vk::PipelineLayout,
+}
+
+impl VulkanPipeline {
+    pub unsafe fn new(base: &VulkanBase, swapchain: &VulkanSwapchain) -> VkResult<VulkanPipeline> {
+        // upload buffers
+        let index_buffer_data = [0u32, 1, 2];
+        let index_buffer_info = vk::BufferCreateInfo::builder()
+            .size(std::mem::size_of_val(&index_buffer_data) as u64)
+            .usage(vk::BufferUsageFlags::INDEX_BUFFER)
+            .sharing_mode(vk::SharingMode::EXCLUSIVE);
+
+        let index_buffer = base.device.create_buffer(&index_buffer_info, None).unwrap();
+        let index_buffer_memory_req = base.device.get_buffer_memory_requirements(index_buffer);
+        let index_buffer_memory_index = find_memorytype_index(
+            &index_buffer_memory_req,
+            &base.mem_props,
+            vk::MemoryPropertyFlags::HOST_VISIBLE | vk::MemoryPropertyFlags::HOST_COHERENT,
+        )
+            .expect("Unable to find suitable memorytype for the index buffer.");
+
+        let index_allocate_info = vk::MemoryAllocateInfo {
+            allocation_size: index_buffer_memory_req.size,
+            memory_type_index: index_buffer_memory_index,
+            ..Default::default()
+        };
+        let index_buffer_memory = base
+            .device
+            .allocate_memory(&index_allocate_info, None)
+            .unwrap();
+        let index_ptr = base
+            .device
+            .map_memory(
+                index_buffer_memory,
+                0,
+                index_buffer_memory_req.size,
+                vk::MemoryMapFlags::empty(),
+            )
+            .unwrap();
+        let mut index_slice = Align::new(
+            index_ptr,
+            align_of::<u32>() as u64,
+            index_buffer_memory_req.size,
+        );
+        index_slice.copy_from_slice(&index_buffer_data);
+        base.device.unmap_memory(index_buffer_memory);
+        base.device
+            .bind_buffer_memory(index_buffer, index_buffer_memory, 0)
+            .unwrap();
+
+        let vertex_input_buffer_info = vk::BufferCreateInfo {
+            size: 3 * std::mem::size_of::<Vertex>() as u64,
+            usage: vk::BufferUsageFlags::VERTEX_BUFFER,
+            sharing_mode: vk::SharingMode::EXCLUSIVE,
+            ..Default::default()
+        };
+
+        let vertex_input_buffer = base
+            .device
+            .create_buffer(&vertex_input_buffer_info, None)
+            .unwrap();
+
+        let vertex_input_buffer_memory_req = base
+            .device
+            .get_buffer_memory_requirements(vertex_input_buffer);
+
+        let vertex_input_buffer_memory_index = find_memorytype_index(
+            &vertex_input_buffer_memory_req,
+            &base.mem_props,
+            vk::MemoryPropertyFlags::HOST_VISIBLE | vk::MemoryPropertyFlags::HOST_COHERENT,
+        )
+            .expect("Unable to find suitable memorytype for the vertex buffer.");
+
+        let vertex_buffer_allocate_info = vk::MemoryAllocateInfo {
+            allocation_size: vertex_input_buffer_memory_req.size,
+            memory_type_index: vertex_input_buffer_memory_index,
+            ..Default::default()
+        };
+
+        let vertex_input_buffer_memory = base
+            .device
+            .allocate_memory(&vertex_buffer_allocate_info, None)
+            .unwrap();
+
+        let vertices = [
+            // green
+            Vertex {
+                pos: [0.5, 0.5, 0.0, 1.0],
+                color: [0.0, 1.0, 0.0, 1.0],
+            },
+            // blue
+            Vertex {
+                pos: [-0.5, 0.5, 0.0, 1.0],
+                color: [0.0, 0.0, 1.0, 1.0],
+            },
+            Vertex {
+                pos: [0.0f32, -0.5, 0.0, 1.0],
+                color: [1.0, 0.0, 0.0, 1.0],
+            },
+        ];
+
+        let vert_ptr = base
+            .device
+            .map_memory(
+                vertex_input_buffer_memory,
+                0,
+                vertex_input_buffer_memory_req.size,
+                vk::MemoryMapFlags::empty(),
+            )
+            .unwrap();
+
+        let mut vert_align = Align::new(
+            vert_ptr,
+            align_of::<Vertex>() as u64,
+            vertex_input_buffer_memory_req.size,
+        );
+        vert_align.copy_from_slice(&vertices);
+        base.device.unmap_memory(vertex_input_buffer_memory);
+        base.device
+            .bind_buffer_memory(vertex_input_buffer, vertex_input_buffer_memory, 0)
+            .unwrap();
+
+
+        // create pipeline
+        let mut vertex_spv_file = Cursor::new(&include_bytes!("../../shader/triangle_simple/vert.spv")[..]);
+        let vertex_code =
+            read_spv(&mut vertex_spv_file).expect("Failed to read vertex shader spv file");
+        let vertex_shader_info = ShaderModule::new(&base.device, vertex_code)?;
+        let vertex_stage_info = vk::PipelineShaderStageCreateInfo::builder()
+            .module(vertex_shader_info.module)
+            .stage(vk::ShaderStageFlags::VERTEX)
+            .name(CStr::from_bytes_with_nul_unchecked(b"main\0"))
+            .build();
+
+
+        let mut frag_spv_file = Cursor::new(&include_bytes!("../../shader/triangle_simple/frag.spv")[..]);
+        let frag_code =
+            read_spv(&mut frag_spv_file).expect("Failed to read fragment shader spv file");
+        let frag_shader_info = ShaderModule::new(&base.device, frag_code)?;
+        let frag_stage_info = vk::PipelineShaderStageCreateInfo::builder()
+            .module(frag_shader_info.module)
+            .stage(vk::ShaderStageFlags::FRAGMENT)
+            .name(CStr::from_bytes_with_nul_unchecked(b"main\0"))
+            .build();
+
+        let vertex_input_state_info = vk::PipelineVertexInputStateCreateInfo::builder()
+            .vertex_attribute_descriptions(&[])
+            .vertex_binding_descriptions(&[])
+            .build();
+
+        let vertex_input_assembly_state_info = vk::PipelineInputAssemblyStateCreateInfo::builder()
+            .primitive_restart_enable(false)
+            .topology(vk::PrimitiveTopology::TRIANGLE_LIST)
+            .build();
+
+        let viewports = [vk::Viewport {
+            x: 0.0,
+            y: 0.0,
+            width: swapchain.extent.width as f32,
+            height: swapchain.extent.height as f32,
+            min_depth: 0.0,
+            max_depth: 1.0,
+        }];
+        let scissors = [vk::Rect2D {
+            offset: Default::default(),
+            extent: swapchain.extent,
+        }];
+
+        let layout_create_info = vk::PipelineLayoutCreateInfo::default();
+
+        let pipeline_layout = base
+            .device
+            .create_pipeline_layout(&layout_create_info, None)
+            .unwrap();
+
+
+        let dynamic_state = vk::PipelineDynamicStateCreateInfo::builder()
+            .dynamic_states(&[vk::DynamicState::VIEWPORT, vk::DynamicState::SCISSOR])
+            .build();
+
+        let viewport_state_info = vk::PipelineViewportStateCreateInfo::builder()
+            .scissors(&scissors)
+            .viewports(&viewports);
+
+        let rs_state_info = vk::PipelineRasterizationStateCreateInfo::builder()
+            .depth_clamp_enable(false)
+            .depth_bias_enable(false)
+            .rasterizer_discard_enable(false)
+            .polygon_mode(vk::PolygonMode::FILL)
+            .line_width(1.0f32)
+            .cull_mode(vk::CullModeFlags::BACK)
+            .front_face(vk::FrontFace::CLOCKWISE)
+            .build();
+
+        let multisample = vk::PipelineMultisampleStateCreateInfo::builder()
+            .rasterization_samples(vk::SampleCountFlags::TYPE_1)
+            .min_sample_shading(1.0f32)
+            .sample_shading_enable(false)
+            .build();
+
+        let color_blend_attachment = [vk::PipelineColorBlendAttachmentState::builder()
+            .blend_enable(false)
+            .color_write_mask(vk::ColorComponentFlags::RGBA)
+            .src_color_blend_factor(vk::BlendFactor::ONE)
+            .dst_color_blend_factor(vk::BlendFactor::ZERO)
+            .color_blend_op(vk::BlendOp::ADD)
+            .src_alpha_blend_factor(vk::BlendFactor::ONE)
+            .dst_alpha_blend_factor(vk::BlendFactor::ZERO)
+            .alpha_blend_op(vk::BlendOp::ADD)
+            .build()];
+        //
+        // let color_blend_attachment_states = [vk::PipelineColorBlendAttachmentState {
+        //     blend_enable: 0,
+        //     src_color_blend_factor: vk::BlendFactor::SRC_COLOR,
+        //     dst_color_blend_factor: vk::BlendFactor::ONE_MINUS_DST_COLOR,
+        //     color_blend_op: vk::BlendOp::ADD,
+        //     src_alpha_blend_factor: vk::BlendFactor::ZERO,
+        //     dst_alpha_blend_factor: vk::BlendFactor::ZERO,
+        //     alpha_blend_op: vk::BlendOp::ADD,
+        //     color_write_mask: vk::ColorComponentFlags::RGBA,
+        // }];
+        let color_blend_state = vk::PipelineColorBlendStateCreateInfo::builder()
+            .logic_op(vk::LogicOp::COPY)
+            .attachments(&color_blend_attachment);
+
+        let renderpass_attachments = [
+            vk::AttachmentDescription {
+                format: swapchain.format.format,
+                samples: vk::SampleCountFlags::TYPE_1,
+                load_op: vk::AttachmentLoadOp::CLEAR,
+                store_op: vk::AttachmentStoreOp::STORE,
+                final_layout: vk::ImageLayout::PRESENT_SRC_KHR,
+                ..Default::default()
+            },
+        ];
+        let color_attachment_refs = [vk::AttachmentReference {
+            attachment: 0,
+            layout: vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
+        }];
+
+        let dependencies = [vk::SubpassDependency {
+            src_subpass: vk::SUBPASS_EXTERNAL,
+            src_stage_mask: vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
+            dst_access_mask: vk::AccessFlags::COLOR_ATTACHMENT_READ
+                | vk::AccessFlags::COLOR_ATTACHMENT_WRITE,
+            dst_stage_mask: vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
+            ..Default::default()
+        }];
+
+        let subpass = vk::SubpassDescription::builder()
+            .color_attachments(&color_attachment_refs)
+            .pipeline_bind_point(vk::PipelineBindPoint::GRAPHICS);
+
+        let renderpass_create_info = vk::RenderPassCreateInfo::builder()
+            .attachments(&renderpass_attachments)
+            .subpasses(std::slice::from_ref(&subpass))
+            .dependencies(&dependencies);
+
+        let renderpass = base
+            .device
+            .create_render_pass(&renderpass_create_info, None)
+            .unwrap();
+
+        let infos = [vertex_stage_info, frag_stage_info];
+        let graphic_pipeline_info = vk::GraphicsPipelineCreateInfo::builder()
+            .stages(&infos)
+            .vertex_input_state(&vertex_input_state_info)
+            .input_assembly_state(&vertex_input_assembly_state_info)
+            .viewport_state(&viewport_state_info)
+            .rasterization_state(&rs_state_info)
+            .multisample_state(&multisample)
+            .color_blend_state(&color_blend_state)
+            .dynamic_state(&dynamic_state)
+            .layout(pipeline_layout)
+            .render_pass(renderpass);
+
+
+        let graphics_pipelines = base
+            .device
+            .create_graphics_pipelines(
+                vk::PipelineCache::null(),
+                &[graphic_pipeline_info.build()],
+                None,
+            )
+            .expect("Unable to create graphics pipeline");
+
+
+        let graphic_pipeline = graphics_pipelines[0];
+
+        Ok(VulkanPipeline {
+            graphic_pipeline,
+            renderpass,
+            pipeline_layout
+        })
+    }
+}
+
+pub struct ShaderModule {
+    pub module: vk::ShaderModule,
+    device: ash::Device,
+}
+
+impl ShaderModule {
+    pub fn new(device: &ash::Device, spirv: Vec<u32>) -> VkResult<ShaderModule> {
+        let create_info = vk::ShaderModuleCreateInfo::builder()
+            .code(&spirv)
+            .build();
+
+
+        let module = unsafe {
+            device.create_shader_module(&create_info, None)?
+        };
+
+        Ok(ShaderModule {
+            module,
+            device: device.clone()
+        })
+    }
+}
+
+impl Drop for ShaderModule {
+    fn drop(&mut self) {
+        unsafe {
+            self.device.destroy_shader_module(self.module, None);
+        }
+    }
+}
+

librashader-runtime-vk/src/hello_triangle/swapchain.rs

@@ -6,11 +6,11 @@ use crate::hello_triangle::vulkan_base::VulkanBase;
 pub struct VulkanSwapchain {
     pub swapchain: vk::SwapchainKHR,
     pub loader: ash::extensions::khr::Swapchain,
-    format: vk::SurfaceFormatKHR,
+    pub format: vk::SurfaceFormatKHR,
-    extent: vk::Extent2D,
+    pub extent: vk::Extent2D,
     mode: vk::PresentModeKHR,
     images: Vec<vk::Image>,
-    image_views: Vec<vk::ImageView>,
+    pub image_views: Vec<vk::ImageView>,
     device: ash::Device,
 }
 

librashader-runtime-vk/src/hello_triangle/syncobjects.rs

@@ -0,0 +1,24 @@
+use ash::prelude::VkResult;
+use ash::vk;
+
+pub struct SyncObjects {
+    pub image_available: vk::Semaphore,
+    pub render_finished: vk::Semaphore,
+    pub in_flight: vk::Fence
+}
+
+impl SyncObjects {
+    pub fn new(device: &ash::Device) -> VkResult<SyncObjects> {
+        unsafe {
+            let image_available = device.create_semaphore(&vk::SemaphoreCreateInfo::default(), None)?;
+            let render_finished = device.create_semaphore(&vk::SemaphoreCreateInfo::default(), None)?;
+            let in_flight = device.create_fence(&vk::FenceCreateInfo::builder().flags(vk::FenceCreateFlags::SIGNALED).build(), None)?;
+
+            Ok(SyncObjects {
+                image_available,
+                render_finished,
+                in_flight
+            })
+        }
+    }
+}