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https://github.com/guilhermewerner/wgpu-renderer
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Update project
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Werner
316
Examples/Cubes.rs
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316
Examples/Cubes.rs
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@ -0,0 +1,316 @@
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#![allow(non_snake_case)]
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#![allow(unused_variables)]
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use anyhow::Result;
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use cgmath::prelude::*;
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use std::path::PathBuf;
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use std::time::Duration;
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use wgpu::util::DeviceExt;
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use winit::event::*;
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use Graphics::Camera::*;
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use Graphics::Render::*;
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use Graphics::{Display, Runtime, State};
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struct Cubes {
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render_pipeline: wgpu::RenderPipeline,
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obj_model: Model,
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camera: Camera,
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camera_controller: CameraController,
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camera_uniform: CameraUniform,
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camera_buffer: wgpu::Buffer,
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camera_bind_group: wgpu::BindGroup,
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instances: Vec<Instance>,
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instance_buffer: wgpu::Buffer,
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depth_texture: Texture,
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}
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impl State for Cubes {
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fn Init(display: &Display) -> Result<Self> {
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let texture_bind_group_layout =
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display
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.device
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.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
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entries: &[
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wgpu::BindGroupLayoutEntry {
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binding: 0,
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visibility: wgpu::ShaderStages::FRAGMENT,
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ty: wgpu::BindingType::Texture {
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multisampled: false,
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view_dimension: wgpu::TextureViewDimension::D2,
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sample_type: wgpu::TextureSampleType::Float { filterable: true },
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},
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count: None,
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},
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wgpu::BindGroupLayoutEntry {
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binding: 1,
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visibility: wgpu::ShaderStages::FRAGMENT,
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ty: wgpu::BindingType::Sampler {
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comparison: false,
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filtering: true,
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},
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count: None,
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},
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],
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label: Some("texture_bind_group_layout"),
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});
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// Camera
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let camera = Camera {
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eye: (0.0, 5.0, -10.0).into(),
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target: (0.0, 0.0, 0.0).into(),
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up: cgmath::Vector3::unit_y(),
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aspect: display.config.width as f32 / display.config.height as f32,
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fovy: 45.0,
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znear: 0.1,
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zfar: 100.0,
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};
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let camera_controller = CameraController::New(0.2);
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let mut camera_uniform = CameraUniform::New();
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camera_uniform.UpdateViewProjection(&camera);
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let camera_buffer = display
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.device
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.create_buffer_init(&wgpu::util::BufferInitDescriptor {
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label: Some("Camera Buffer"),
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contents: bytemuck::cast_slice(&[camera_uniform]),
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usage: wgpu::BufferUsages::UNIFORM | wgpu::BufferUsages::COPY_DST,
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});
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const SPACE_BETWEEN: f32 = 3.0;
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let instances = (0..NUM_INSTANCES_PER_ROW)
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.flat_map(|z| {
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(0..NUM_INSTANCES_PER_ROW).map(move |x| {
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let x = SPACE_BETWEEN * (x as f32 - NUM_INSTANCES_PER_ROW as f32 / 2.0);
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let z = SPACE_BETWEEN * (z as f32 - NUM_INSTANCES_PER_ROW as f32 / 2.0);
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let position = cgmath::Vector3 { x, y: 0.0, z };
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let rotation = if position.is_zero() {
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cgmath::Quaternion::from_axis_angle(
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cgmath::Vector3::unit_z(),
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cgmath::Deg(0.0),
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)
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} else {
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cgmath::Quaternion::from_axis_angle(position.normalize(), cgmath::Deg(45.0))
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};
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Instance { position, rotation }
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})
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})
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.collect::<Vec<_>>();
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let instance_data = instances.iter().map(Instance::ToRaw).collect::<Vec<_>>();
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let instance_buffer =
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display
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.device
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.create_buffer_init(&wgpu::util::BufferInitDescriptor {
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label: Some("Instance Buffer"),
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contents: bytemuck::cast_slice(&instance_data),
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usage: wgpu::BufferUsages::VERTEX,
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});
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let camera_bind_group_layout =
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display
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.device
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.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
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entries: &[wgpu::BindGroupLayoutEntry {
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binding: 0,
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visibility: wgpu::ShaderStages::VERTEX,
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ty: wgpu::BindingType::Buffer {
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ty: wgpu::BufferBindingType::Uniform,
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has_dynamic_offset: false,
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min_binding_size: None,
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},
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count: None,
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}],
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label: Some("camera_bind_group_layout"),
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});
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let camera_bind_group = display
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.device
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.create_bind_group(&wgpu::BindGroupDescriptor {
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layout: &camera_bind_group_layout,
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entries: &[wgpu::BindGroupEntry {
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binding: 0,
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resource: camera_buffer.as_entire_binding(),
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}],
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label: Some("camera_bind_group"),
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});
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// Model
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let obj_model = Model::Load(
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&display.device,
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&display.queue,
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&texture_bind_group_layout,
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PathBuf::from("./Content/SM_Cube.obj"),
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)
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.unwrap();
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// Shader
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let shader = display
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.device
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.create_shader_module(&wgpu::ShaderModuleDescriptor {
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label: Some("shader.wgsl"),
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source: wgpu::ShaderSource::Wgsl(include_str!("../Shaders/Cubes.wgsl").into()),
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});
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// Texture
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let depth_texture =
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Texture::CreateDepthTexture(&display.device, &display.config, "depth_texture");
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// Pipeline
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let render_pipeline_layout =
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display
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.device
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.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
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label: Some("Render Pipeline Layout"),
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bind_group_layouts: &[&texture_bind_group_layout, &camera_bind_group_layout],
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push_constant_ranges: &[],
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});
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let render_pipeline =
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display
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.device
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.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
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label: Some("Render Pipeline"),
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layout: Some(&render_pipeline_layout),
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vertex: wgpu::VertexState {
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module: &shader,
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entry_point: "main",
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buffers: &[ModelVertex::GetDescriptor(), InstanceRaw::GetDescriptor()],
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},
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fragment: Some(wgpu::FragmentState {
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module: &shader,
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entry_point: "main",
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targets: &[wgpu::ColorTargetState {
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format: display.config.format,
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blend: Some(wgpu::BlendState {
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color: wgpu::BlendComponent::REPLACE,
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alpha: wgpu::BlendComponent::REPLACE,
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}),
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write_mask: wgpu::ColorWrites::ALL,
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}],
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}),
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primitive: wgpu::PrimitiveState {
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topology: wgpu::PrimitiveTopology::TriangleList,
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strip_index_format: None,
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front_face: wgpu::FrontFace::Ccw,
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cull_mode: Some(wgpu::Face::Back),
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// Setting this to anything other than Fill requires Features::NON_FILL_POLYGON_MODE
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polygon_mode: wgpu::PolygonMode::Fill,
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// Requires Features::DEPTH_CLAMPING
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clamp_depth: false,
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// Requires Features::CONSERVATIVE_RASTERIZATION
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conservative: false,
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},
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depth_stencil: Some(wgpu::DepthStencilState {
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format: Texture::DEPTH_FORMAT,
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depth_write_enabled: true,
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depth_compare: wgpu::CompareFunction::Less,
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stencil: wgpu::StencilState::default(),
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bias: wgpu::DepthBiasState::default(),
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}),
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multisample: wgpu::MultisampleState {
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count: 1,
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mask: !0,
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alpha_to_coverage_enabled: false,
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},
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});
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Ok(Self {
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render_pipeline,
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obj_model,
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camera,
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camera_controller,
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camera_buffer,
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camera_bind_group,
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camera_uniform,
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instances,
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instance_buffer,
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depth_texture,
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})
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}
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fn Input(&mut self, display: &Display, event: &WindowEvent) -> bool {
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self.camera_controller.ProcessEvents(event)
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}
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fn Update(&mut self, display: &Display, delta: Duration) {
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self.camera_controller.UpdateCamera(&mut self.camera);
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self.camera_uniform.UpdateViewProjection(&self.camera);
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display.queue.write_buffer(
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&self.camera_buffer,
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0,
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bytemuck::cast_slice(&[self.camera_uniform]),
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);
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}
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fn Resize(&mut self, display: &Display) {
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self.depth_texture =
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Texture::CreateDepthTexture(&display.device, &display.config, "depth_texture");
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}
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fn Draw(&mut self, display: &mut Display) -> Result<(), wgpu::SurfaceError> {
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let output = display.surface.get_current_texture().unwrap();
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let view = output
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.texture
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.create_view(&wgpu::TextureViewDescriptor::default());
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let mut encoder = display
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.device
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.create_command_encoder(&wgpu::CommandEncoderDescriptor {
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label: Some("Render Encoder"),
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});
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{
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let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
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label: Some("Render Pass"),
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color_attachments: &[wgpu::RenderPassColorAttachment {
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view: &view,
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resolve_target: None,
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ops: wgpu::Operations {
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load: wgpu::LoadOp::Clear(wgpu::Color {
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r: 0.1,
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g: 0.2,
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b: 0.3,
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a: 1.0,
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}),
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store: true,
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},
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}],
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depth_stencil_attachment: Some(wgpu::RenderPassDepthStencilAttachment {
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view: &self.depth_texture.view,
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depth_ops: Some(wgpu::Operations {
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load: wgpu::LoadOp::Clear(1.0),
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store: true,
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}),
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stencil_ops: None,
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}),
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});
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render_pass.set_vertex_buffer(1, self.instance_buffer.slice(..));
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render_pass.set_pipeline(&self.render_pipeline);
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render_pass.DrawModelInstanced(
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&self.obj_model,
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0..self.instances.len() as u32,
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&self.camera_bind_group,
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);
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}
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display.queue.submit(std::iter::once(encoder.finish()));
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output.present();
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Ok(())
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}
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}
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fn main() -> Result<()> {
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Runtime::Execute::<Cubes>()
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}
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206
Examples/Triangle.rs
Normal file
206
Examples/Triangle.rs
Normal file
@ -0,0 +1,206 @@
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#![allow(non_snake_case)]
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#![allow(unused_variables)]
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|
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use anyhow::Result;
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use bytemuck::{Pod, Zeroable};
|
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use std::time::Duration;
|
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use wgpu::util::DeviceExt;
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use winit::event::*;
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use Graphics::Render::*;
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use Graphics::{Display, Runtime, State};
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#[repr(C)]
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#[derive(Copy, Clone, Debug, Pod, Zeroable)]
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struct TriangleVertex {
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position: [f32; 3],
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color: [f32; 3],
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}
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impl Vertex for TriangleVertex {
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fn GetDescriptor<'a>() -> wgpu::VertexBufferLayout<'a> {
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wgpu::VertexBufferLayout {
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array_stride: std::mem::size_of::<TriangleVertex>() as wgpu::BufferAddress,
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step_mode: wgpu::VertexStepMode::Vertex,
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attributes: &[
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wgpu::VertexAttribute {
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offset: 0,
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shader_location: 0,
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format: wgpu::VertexFormat::Float32x3,
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},
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wgpu::VertexAttribute {
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offset: std::mem::size_of::<[f32; 3]>() as wgpu::BufferAddress,
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shader_location: 1,
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format: wgpu::VertexFormat::Float32x3,
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},
|
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],
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}
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}
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}
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#[rustfmt::skip]
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const VERTICES: &[TriangleVertex] = &[
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TriangleVertex { position: [0.0, 0.5, 0.0], color: [1.0, 0.0, 0.0] },
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TriangleVertex { position: [-0.5, -0.5, 0.0], color: [0.0, 1.0, 0.0] },
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TriangleVertex { position: [0.5, -0.5, 0.0], color: [0.0, 0.0, 1.0] },
|
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];
|
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|
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#[rustfmt::skip]
|
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const INDICES: &[u16] = &[
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0, 1, 2,
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||||
];
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struct Triangle {
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render_pipeline: wgpu::RenderPipeline,
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vertex_buffer: wgpu::Buffer,
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index_buffer: wgpu::Buffer,
|
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num_indices: u32,
|
||||
}
|
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|
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impl State for Triangle {
|
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fn Init(display: &Display) -> Result<Self> {
|
||||
// Shader
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||||
|
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let shader = display
|
||||
.device
|
||||
.create_shader_module(&wgpu::ShaderModuleDescriptor {
|
||||
label: Some("Shader"),
|
||||
source: wgpu::ShaderSource::Wgsl(include_str!("../Shaders/Triangle.wgsl").into()),
|
||||
});
|
||||
|
||||
// Pipeline
|
||||
|
||||
let render_pipeline_layout =
|
||||
display
|
||||
.device
|
||||
.create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
|
||||
label: Some("Render Pipeline Layout"),
|
||||
bind_group_layouts: &[],
|
||||
push_constant_ranges: &[],
|
||||
});
|
||||
|
||||
let render_pipeline =
|
||||
display
|
||||
.device
|
||||
.create_render_pipeline(&wgpu::RenderPipelineDescriptor {
|
||||
label: Some("Render Pipeline"),
|
||||
layout: Some(&render_pipeline_layout),
|
||||
vertex: wgpu::VertexState {
|
||||
module: &shader,
|
||||
entry_point: "main",
|
||||
buffers: &[TriangleVertex::GetDescriptor()],
|
||||
},
|
||||
fragment: Some(wgpu::FragmentState {
|
||||
// 3.
|
||||
module: &shader,
|
||||
entry_point: "main",
|
||||
targets: &[wgpu::ColorTargetState {
|
||||
// 4.
|
||||
format: display.config.format,
|
||||
blend: Some(wgpu::BlendState::REPLACE),
|
||||
write_mask: wgpu::ColorWrites::ALL,
|
||||
}],
|
||||
}),
|
||||
primitive: wgpu::PrimitiveState {
|
||||
topology: wgpu::PrimitiveTopology::TriangleList, // 1.
|
||||
strip_index_format: None,
|
||||
front_face: wgpu::FrontFace::Ccw, // 2.
|
||||
cull_mode: Some(wgpu::Face::Back),
|
||||
// Setting this to anything other than Fill requires Features::NON_FILL_POLYGON_MODE
|
||||
polygon_mode: wgpu::PolygonMode::Fill,
|
||||
// Requires Features::DEPTH_CLAMPING
|
||||
clamp_depth: false,
|
||||
// Requires Features::CONSERVATIVE_RASTERIZATION
|
||||
conservative: false,
|
||||
},
|
||||
depth_stencil: None, // 1.
|
||||
multisample: wgpu::MultisampleState {
|
||||
count: 1, // 2.
|
||||
mask: !0, // 3.
|
||||
alpha_to_coverage_enabled: false, // 4.
|
||||
},
|
||||
});
|
||||
|
||||
let vertex_buffer = display
|
||||
.device
|
||||
.create_buffer_init(&wgpu::util::BufferInitDescriptor {
|
||||
label: Some("Vertex Buffer"),
|
||||
contents: bytemuck::cast_slice(VERTICES),
|
||||
usage: wgpu::BufferUsages::VERTEX,
|
||||
});
|
||||
|
||||
let index_buffer = display
|
||||
.device
|
||||
.create_buffer_init(&wgpu::util::BufferInitDescriptor {
|
||||
label: Some("Index Buffer"),
|
||||
contents: bytemuck::cast_slice(INDICES),
|
||||
usage: wgpu::BufferUsages::INDEX,
|
||||
});
|
||||
|
||||
let num_indices = INDICES.len() as u32;
|
||||
|
||||
Ok(Self {
|
||||
render_pipeline,
|
||||
vertex_buffer,
|
||||
index_buffer,
|
||||
num_indices,
|
||||
})
|
||||
}
|
||||
|
||||
fn Input(&mut self, display: &Display, event: &WindowEvent) -> bool {
|
||||
false
|
||||
}
|
||||
|
||||
fn Update(&mut self, display: &Display, delta: Duration) {}
|
||||
|
||||
fn Resize(&mut self, display: &Display) {}
|
||||
|
||||
fn Draw(&mut self, display: &mut Display) -> Result<(), wgpu::SurfaceError> {
|
||||
let output = display.surface.get_current_texture().unwrap();
|
||||
let view = output
|
||||
.texture
|
||||
.create_view(&wgpu::TextureViewDescriptor::default());
|
||||
|
||||
let mut encoder = display
|
||||
.device
|
||||
.create_command_encoder(&wgpu::CommandEncoderDescriptor {
|
||||
label: Some("Render Encoder"),
|
||||
});
|
||||
|
||||
{
|
||||
let mut render_pass = encoder.begin_render_pass(&wgpu::RenderPassDescriptor {
|
||||
label: Some("Render Pass"),
|
||||
color_attachments: &[
|
||||
// This is what [[location(0)]] in the fragment shader targets
|
||||
wgpu::RenderPassColorAttachment {
|
||||
view: &view,
|
||||
resolve_target: None,
|
||||
ops: wgpu::Operations {
|
||||
load: wgpu::LoadOp::Clear(wgpu::Color {
|
||||
r: 0.0,
|
||||
g: 0.0,
|
||||
b: 0.0,
|
||||
a: 1.0,
|
||||
}),
|
||||
store: true,
|
||||
},
|
||||
},
|
||||
],
|
||||
depth_stencil_attachment: None,
|
||||
});
|
||||
|
||||
render_pass.set_pipeline(&self.render_pipeline);
|
||||
render_pass.set_vertex_buffer(0, self.vertex_buffer.slice(..));
|
||||
render_pass.set_index_buffer(self.index_buffer.slice(..), wgpu::IndexFormat::Uint16);
|
||||
render_pass.draw_indexed(0..self.num_indices, 0, 0..1);
|
||||
}
|
||||
|
||||
display.queue.submit(std::iter::once(encoder.finish()));
|
||||
output.present();
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
Runtime::Execute::<Triangle>()
|
||||
}
|
||||
Reference in New Issue
Block a user