Refactorisation de la gestion des pipelines

src/renderer/pipelines/triangle_pipeline.rs

@@ -0,0 +1,85 @@
+use std::sync::Arc;
+use vulkano::device::Device;
+use vulkano::pipeline::graphics::vertex_input::{Vertex, VertexDefinition};
+use vulkano::pipeline::{DynamicState, GraphicsPipeline, PipelineLayout, PipelineShaderStageCreateInfo};
+use vulkano::pipeline::graphics::color_blend::{ColorBlendAttachmentState, ColorBlendState};
+use vulkano::pipeline::graphics::GraphicsPipelineCreateInfo;
+use vulkano::pipeline::graphics::input_assembly::InputAssemblyState;
+use vulkano::pipeline::graphics::multisample::MultisampleState;
+use vulkano::pipeline::graphics::rasterization::RasterizationState;
+use vulkano::pipeline::graphics::subpass::PipelineRenderingCreateInfo;
+use vulkano::pipeline::graphics::viewport::ViewportState;
+use vulkano::pipeline::layout::PipelineDescriptorSetLayoutCreateInfo;
+use vulkano::swapchain::Swapchain;
+
+use crate::renderer::Vertex2D;
+
+mod shaders {
+    pub mod vs {
+        vulkano_shaders::shader! {
+            ty: "vertex",
+            path: r"res/shaders/vertex.vert",
+        }
+    }
+
+    pub mod fs {
+        vulkano_shaders::shader! {
+            ty: "fragment",
+            path: r"res/shaders/vertex.frag",
+        }
+    }
+}
+
+pub fn create_triangle_pipeline(device: &Arc<Device>, swapchain: &Arc<Swapchain>) -> Arc<GraphicsPipeline> {
+    let vs = shaders::vs::load(device.clone())
+        .unwrap()
+        .entry_point("main")
+        .unwrap();
+    let fs = shaders::fs::load(device.clone())
+        .unwrap()
+        .entry_point("main")
+        .unwrap();
+
+    let vertex_input_state = Vertex2D::per_vertex()
+        .definition(&vs)
+        .unwrap();
+
+    let stages = [
+        PipelineShaderStageCreateInfo::new(vs),
+        PipelineShaderStageCreateInfo::new(fs),
+    ];
+
+    let layout = PipelineLayout::new(
+        device.clone(),
+        PipelineDescriptorSetLayoutCreateInfo::from_stages(&stages)
+            .into_pipeline_layout_create_info(device.clone())
+            .unwrap(),
+    )
+        .unwrap();
+
+    let subpass = PipelineRenderingCreateInfo {
+        color_attachment_formats: vec![Some(swapchain.image_format())],
+        ..Default::default()
+    };
+
+    GraphicsPipeline::new(
+        device.clone(),
+        None,
+        GraphicsPipelineCreateInfo {
+            stages: stages.into_iter().collect(),
+            vertex_input_state: Some(vertex_input_state),
+            input_assembly_state: Some(InputAssemblyState::default()),
+            viewport_state: Some(ViewportState::default()),
+            rasterization_state: Some(RasterizationState::default()),
+            multisample_state: Some(MultisampleState::default()),
+            color_blend_state: Some(ColorBlendState::with_attachment_states(
+                subpass.color_attachment_formats.len() as u32,
+                ColorBlendAttachmentState::default(),
+            )),
+            dynamic_state: [DynamicState::Viewport].into_iter().collect(),
+            subpass: Some(subpass.into()),
+            ..GraphicsPipelineCreateInfo::layout(layout)
+        },
+    )
+        .unwrap()
+}