Update

src/vulkan/mod.rs

@@ -1,3 +1,5 @@
+#![allow(unused_imports)]
+
 pub(self) mod vk_render_context;
 pub use vk_render_context::VkRenderContext;
 
@@ -16,5 +18,12 @@ pub use vk_device::VkDevice;
 pub(self) mod vk_swapchain;
 pub use vk_swapchain::VkSwapchain;
 
+pub(self) mod vk_shader_module;
+pub use vk_shader_module::VkShaderModule;
+
+pub(self) mod vk_graphics_pipeline;
+pub use vk_graphics_pipeline::VkGraphicsPipeline;
+
+mod vk_render_pass;
+
 mod utils;
-mod vk_shader_module;

src/vulkan/vk_device.rs

@@ -7,8 +7,7 @@ pub struct VkDevice {
     instance: Arc<VkInstance>,
     pub(super) handle: ash::Device,
     pub(super) swapchain_loader: ash::khr::swapchain::Device,
-
-    queue_family_index: u32,
+    pub(super) queue_family_index: u32,
 
     // Arc not used because vk::Queue is destroyed with Device automatically
     // so any references of vk::Queue must be destroyed with VkDevice

src/vulkan/vk_graphics_pipeline.rs

@@ -0,0 +1,131 @@
+use crate::vulkan::vk_render_pass::VkRenderPass;
+use crate::vulkan::{VkDevice, VkShaderModule, VkSwapchain};
+use ash::vk;
+use std::ffi::CStr;
+use std::sync::Arc;
+
+pub struct VkGraphicsPipeline {
+    device: Arc<VkDevice>,
+    swapchain: Arc<VkSwapchain>,
+    render_pass: Arc<VkRenderPass>,
+
+    pipeline_layout: vk::PipelineLayout,
+    pipeline: vk::Pipeline,
+    vertex_shader: VkShaderModule,
+    fragment_shader: VkShaderModule,
+}
+
+impl VkGraphicsPipeline {
+    pub fn new(
+        device: Arc<VkDevice>,
+        swapchain: Arc<VkSwapchain>,
+        render_pass: Arc<VkRenderPass>,
+    ) -> anyhow::Result<Self> {
+        let shader_entry_name = CStr::from_bytes_with_nul(b"main\0")?;
+
+        let vert_shader_module =
+            VkShaderModule::from_spv_file(device.clone(), "res/shaders/main.vert.spv")?;
+
+        let vert_shader_info = vk::PipelineShaderStageCreateInfo::default()
+            .module(vert_shader_module.handle)
+            .name(shader_entry_name)
+            .stage(vk::ShaderStageFlags::VERTEX);
+
+        let frag_shader_module =
+            VkShaderModule::from_spv_file(device.clone(), "res/shaders/main.frag.spv")?;
+
+        let frag_shader_info = vk::PipelineShaderStageCreateInfo::default()
+            .module(frag_shader_module.handle)
+            .name(shader_entry_name)
+            .stage(vk::ShaderStageFlags::FRAGMENT);
+
+        let shader_stage_create_infos = [vert_shader_info, frag_shader_info];
+
+        let vertex_input_info = vk::PipelineVertexInputStateCreateInfo::default();
+
+        let input_assembly = vk::PipelineInputAssemblyStateCreateInfo::default()
+            .topology(vk::PrimitiveTopology::TRIANGLE_LIST);
+
+        let viewport = vk::Viewport::default()
+            .width(swapchain.surface_resolution.width as f32)
+            .height(swapchain.surface_resolution.height as f32)
+            .max_depth(1.0);
+
+        let scissor = vk::Rect2D::default().extent(swapchain.surface_resolution);
+
+        let viewports = [viewport];
+        let scissors = [scissor];
+        let viewport_state = vk::PipelineViewportStateCreateInfo::default()
+            .viewports(&viewports)
+            .scissors(&scissors);
+
+        let rasterizer = vk::PipelineRasterizationStateCreateInfo::default()
+            .polygon_mode(vk::PolygonMode::FILL)
+            .cull_mode(vk::CullModeFlags::BACK)
+            .front_face(vk::FrontFace::CLOCKWISE)
+            .line_width(1.0);
+
+        let multisampling = vk::PipelineMultisampleStateCreateInfo::default()
+            .rasterization_samples(vk::SampleCountFlags::TYPE_1)
+            .min_sample_shading(1.0);
+
+        let color_blend_attachment = vk::PipelineColorBlendAttachmentState::default()
+            .color_write_mask(vk::ColorComponentFlags::RGBA);
+
+        let attachments = [color_blend_attachment];
+        let color_blending =
+            vk::PipelineColorBlendStateCreateInfo::default().attachments(&attachments);
+
+        let dynamic_state = vk::PipelineDynamicStateCreateInfo::default()
+            .dynamic_states(&[vk::DynamicState::VIEWPORT, vk::DynamicState::LINE_WIDTH]);
+
+        let pipeline_layout_info = vk::PipelineLayoutCreateInfo::default();
+        let pipeline_layout = unsafe {
+            device
+                .handle
+                .create_pipeline_layout(&pipeline_layout_info, None)?
+        };
+        log::debug!("Pipeline layout created ({pipeline_layout:?})");
+
+        let pipeline_info = vk::GraphicsPipelineCreateInfo::default()
+            .stages(&shader_stage_create_infos)
+            .vertex_input_state(&vertex_input_info)
+            .input_assembly_state(&input_assembly)
+            .viewport_state(&viewport_state)
+            .rasterization_state(&rasterizer)
+            .multisample_state(&multisampling)
+            .color_blend_state(&color_blending)
+            .dynamic_state(&dynamic_state)
+            .layout(pipeline_layout)
+            .render_pass(render_pass.handle);
+        let pipeline = unsafe {
+            device
+                .handle
+                .create_graphics_pipelines(vk::PipelineCache::null(), &[pipeline_info], None)
+                .map_err(|(_, error)| error)?[0]
+        };
+        log::debug!("Pipeline created ({pipeline_layout:?})");
+
+        Ok(Self {
+            device,
+            swapchain,
+            render_pass,
+            pipeline_layout,
+            pipeline,
+            vertex_shader: vert_shader_module,
+            fragment_shader: frag_shader_module,
+        })
+    }
+}
+
+impl Drop for VkGraphicsPipeline {
+    fn drop(&mut self) {
+        unsafe {
+            self.device.handle.destroy_pipeline(self.pipeline, None);
+            log::debug!("Pipeline destroyed ({:?})", self.pipeline);
+
+            self.device.handle.destroy_pipeline_layout(self.pipeline_layout, None);
+            log::debug!("Pipeline layout destroyed ({:?})", self.pipeline_layout);
+        }
+    }
+}

src/vulkan/vk_render_context.rs

@@ -1,8 +1,6 @@
-use crate::vulkan::vk_shader_module::VkShaderModule;
-use crate::vulkan::{VkDevice, VkInstance, VkPhysicalDevice, VkSurface, VkSwapchain};
+use crate::vulkan::vk_render_pass::VkRenderPass;
+use crate::vulkan::{VkDevice, VkGraphicsPipeline, VkInstance, VkPhysicalDevice, VkSurface, VkSwapchain};
 use ash::vk;
-use ash::vk::PrimitiveTopology;
-use std::ffi::{CStr, CString};
 use std::sync::Arc;
 
 pub struct VkRenderContext {
@@ -29,7 +27,7 @@ impl VkRenderContext {
                 Some(vk::QueueFlags::GRAPHICS),
                 Some(&surface),
             )
-            .ok_or_else(|| anyhow::anyhow!("Unable to find physical device"))?;
+                .ok_or_else(|| anyhow::anyhow!("Unable to find physical device"))?;
         log::debug!(
             "Selected queue {properties:#?} for physical device {:?}",
             physical_device.properties.device_name_as_c_str()
@@ -48,69 +46,51 @@ impl VkRenderContext {
             &physical_device,
         )?);
 
-        let shader_entry_name = CStr::from_bytes_with_nul(b"main\0")?;
+        let render_pass = Arc::new(VkRenderPass::new(
+            device.clone(),
+            swapchain.clone(),
+        )?);
 
-        let vert_shader_module =
-            VkShaderModule::from_spv_file(device.clone(), "res/shaders/main.vert.spv")?;
+        let pipeline = Arc::new(VkGraphicsPipeline::new(
+            device.clone(),
+            swapchain.clone(),
+            render_pass.clone(),
+        )?);
 
-        let vert_shader_info = vk::PipelineShaderStageCreateInfo::default()
-            .module(vert_shader_module.handle)
-            .name(shader_entry_name)
-            .stage(vk::ShaderStageFlags::VERTEX);
+        let framebuffers = swapchain.present_image_views
+            .as_ref()
+            .ok_or_else(|| anyhow::anyhow!("No present image views found"))?
+            .iter()
+            .map(|present_image_view| {
+                let attachments = [*present_image_view];
+                let framebuffer_info = vk::FramebufferCreateInfo::default()
+                    .render_pass(render_pass.handle)
+                    .width(swapchain.surface_resolution.width)
+                    .height(swapchain.surface_resolution.height)
+                    .attachments(&attachments)
+                    .layers(1);
 
-        let frag_shader_module =
-            VkShaderModule::from_spv_file(device.clone(), "res/shaders/main.frag.spv")?;
+                unsafe { device.handle.create_framebuffer(&framebuffer_info, None).unwrap() }
+            })
+            .collect::<Vec<_>>();
 
-        let frag_shader_info = vk::PipelineShaderStageCreateInfo::default()
-            .module(frag_shader_module.handle)
-            .name(shader_entry_name)
-            .stage(vk::ShaderStageFlags::FRAGMENT);
+        let command_pool_info = vk::CommandPoolCreateInfo::default()
+            .queue_family_index(device.queue_family_index);
+        let command_pool = unsafe { device.handle.create_command_pool(&command_pool_info, None)? };
 
-        let shader_stage_create_infos = [vert_shader_info, frag_shader_info];
+        let command_buffer_info = vk::CommandBufferAllocateInfo::default()
+            .command_pool(command_pool)
+            .level(vk::CommandBufferLevel::PRIMARY)
+            .command_buffer_count(framebuffers.len() as u32);
 
-        let vertex_input_info = vk::PipelineVertexInputStateCreateInfo::default();
+        // Destroyed with command pool
+        let command_buffers = unsafe { device.handle.allocate_command_buffers(&command_buffer_info)? };
 
-        let input_assembly = vk::PipelineInputAssemblyStateCreateInfo::default()
-            .topology(PrimitiveTopology::TRIANGLE_LIST);
 
-        let viewport = vk::Viewport::default()
-            .width(swapchain.surface_resolution.width as f32)
-            .height(swapchain.surface_resolution.height as f32)
-            .max_depth(1.0);
-
-        let scissor = vk::Rect2D::default().extent(swapchain.surface_resolution);
-
-        let viewport_state = vk::PipelineViewportStateCreateInfo::default()
-            .viewports(&[viewport])
-            .scissors(&[scissor]);
-
-        let rasterizer = vk::PipelineRasterizationStateCreateInfo::default()
-            .polygon_mode(vk::PolygonMode::FILL)
-            .cull_mode(vk::CullModeFlags::BACK)
-            .front_face(vk::FrontFace::CLOCKWISE)
-            .line_width(1.0);
-
-        let multisampling = vk::PipelineMultisampleStateCreateInfo::default()
-            .rasterization_samples(vk::SampleCountFlags::TYPE_1)
-            .min_sample_shading(1.0);
-
-        let color_blend_attachment = vk::PipelineColorBlendAttachmentState::default()
-            .color_write_mask(vk::ColorComponentFlags::RGBA);
-
-        let color_blending =
-            vk::PipelineColorBlendStateCreateInfo::default().attachments(&[color_blend_attachment]);
-
-        let dynamic_state = vk::PipelineDynamicStateCreateInfo::default()
-            .dynamic_states(&[vk::DynamicState::VIEWPORT, vk::DynamicState::LINE_WIDTH]);
-
-        let pipeline_layout_info = vk::PipelineLayoutCreateInfo::default();
-        let pipeline_layout = unsafe {
-            device
-                .handle
-                .create_pipeline_layout(&pipeline_layout_info, None)?
-        };
-
-        unsafe { device.handle.destroy_pipeline_layout(pipeline_layout, None) };
+        unsafe { device.handle.destroy_command_pool(command_pool, None) };
+        for framebuffer in framebuffers {
+            unsafe { device.handle.destroy_framebuffer(framebuffer, None) };
+        }
 
         Ok(Self {
             instance,

src/vulkan/vk_render_pass.rs

@@ -0,0 +1,63 @@
+use crate::vulkan::{VkDevice, VkSwapchain};
+use ash::prelude::VkResult;
+use ash::vk;
+use std::sync::Arc;
+
+pub struct VkRenderPass {
+    device: Arc<VkDevice>,
+    swapchain: Arc<VkSwapchain>,
+
+    pub(super) handle: vk::RenderPass,
+}
+
+impl VkRenderPass {
+    pub fn new(
+        device: Arc<VkDevice>,
+        swapchain: Arc<VkSwapchain>,
+    ) -> VkResult<Self> {
+        let color_attachment = vk::AttachmentDescription::default()
+            .format(swapchain.surface_format.format)
+            .samples(vk::SampleCountFlags::TYPE_1)
+            .load_op(vk::AttachmentLoadOp::LOAD)
+            .store_op(vk::AttachmentStoreOp::STORE)
+            .stencil_load_op(vk::AttachmentLoadOp::DONT_CARE)
+            .stencil_store_op(vk::AttachmentStoreOp::DONT_CARE)
+            .initial_layout(vk::ImageLayout::UNDEFINED)
+            .final_layout(vk::ImageLayout::PRESENT_SRC_KHR);
+
+        let color_attachment_ref = vk::AttachmentReference::default()
+            .attachment(0)
+            .layout(vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL);
+
+        let color_attachments = [color_attachment_ref];
+        let subpass = vk::SubpassDescription::default()
+            .pipeline_bind_point(vk::PipelineBindPoint::GRAPHICS)
+            .color_attachments(&color_attachments);
+
+        let attachments = [color_attachment];
+        let subpasses = [subpass];
+        let render_pass_info = vk::RenderPassCreateInfo::default()
+            .attachments(&attachments)
+            .subpasses(&subpasses);
+
+        let render_pass = unsafe {
+            device.handle.create_render_pass(&render_pass_info, None)?
+        };
+        log::debug!("Render pass created ({render_pass:?})");
+
+        Ok(Self {
+            device,
+            swapchain,
+            handle: render_pass,
+        })
+    }
+}
+
+impl Drop for VkRenderPass {
+    fn drop(&mut self) {
+        unsafe {
+            self.device.handle.destroy_render_pass(self.handle, None);
+            log::debug!("Render pass destroyed ({:?})", self.handle);
+        }
+    }
+}