Add initial GitHub actions CI

.github/workflows/rust.yml

@@ -0,0 +1,33 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check-rs:
+    runs-on: ubuntu-latest
+    env:
+      RUSTFLAGS: "-D warnings"
+    steps:
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v2
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@v3
+      - name: Check cargo fmt compliance
+        run: cargo fmt --all -- --check
+      - name: Check no rustc warnings
+        run: cargo check --tests
+      - name: Check for clippy warnings
+        run: cargo clippy
+      - name: Build
+        run: cargo build --verbose
+#  # Tests currently fail with `MakeWgpuAdapterError`
+#      - name: Run tests
+#        run: cargo test --verbose

.gitignore

@@ -1,3 +1,4 @@
 /target
 /.idea
 /vega-wgpu-renderer/tests/output/
+.DS_Store

README.md

@@ -41,4 +41,7 @@ image export, and to VegaFusion to support serverside rendering of large marks.
 To start with, the most valuable contribution of this project is probably the testing infrastructure. By relying on
 vl-convert, a collection of input Vega specs are rendered to PNG and converted to scene graphs. The GPU rendered
 PNG images are then compared for similarity to the baselines using structural similarity. See the `gen-test-data`
-crate for more information.
+crate for more information.
+
+Note: These tests aren't running on GitHub Actions yet due to a `MakeWgpuAdapterError` error that
+needs to be diagnosed.

gen-test-data/src/main.rs

@@ -82,21 +82,21 @@ fn main() {
 /// Get the image width from the SVG
 fn get_svg_width(svg: &str) -> u32 {
     let width_re = Regex::new("width=\"(\\d+)\"").unwrap();
-    let captures = width_re.captures(&svg).expect("Missing width");
+    let captures = width_re.captures(svg).expect("Missing width");
     captures.get(1).unwrap().as_str().parse().unwrap()
 }
 
 /// Get the image height from the SVG
 fn get_svg_height(svg: &str) -> u32 {
     let width_re = Regex::new("height=\"(\\d+)\"").unwrap();
-    let captures = width_re.captures(&svg).expect("Missing height");
+    let captures = width_re.captures(svg).expect("Missing height");
     captures.get(1).unwrap().as_str().parse().unwrap()
 }
 
 /// Get the renderer origin by extracting the first `translate` transform from the SVG
 fn get_svg_origin(svg: &str) -> (u32, u32) {
     let width_re = Regex::new("translate\\((\\d+),(\\d+)\\)").unwrap();
-    let captures = width_re.captures(&svg).expect("Missing height");
+    let captures = width_re.captures(svg).expect("Missing height");
     let origin_x: u32 = captures.get(1).unwrap().as_str().parse().unwrap();
     let origin_y: u32 = captures.get(2).unwrap().as_str().parse().unwrap();
     (origin_x, origin_y)

vega-wgpu-renderer/src/lib.rs

@@ -3,23 +3,16 @@ pub mod renderers;
 pub mod scene;
 pub mod specs;
 
-use std::iter;
-use wgpu::util::DeviceExt;
-
-use winit::dpi::{LogicalSize, PhysicalSize, Size};
+use winit::dpi::{PhysicalSize, Size};
 use winit::{
     event::*,
     event_loop::{ControlFlow, EventLoop},
-    window::{Window, WindowBuilder},
+    window::WindowBuilder,
 };
 
-use crate::renderers::canvas::{Canvas, PngCanvas, WindowCanvas};
-use crate::scene::rect::RectInstance;
+use crate::renderers::canvas::{Canvas, WindowCanvas};
 use crate::scene::scene_graph::SceneGraph;
-use crate::scene::symbol::SymbolInstance;
 use crate::specs::dims::SceneGraphDims;
-use crate::specs::group::GroupItemSpec;
-use crate::specs::mark::{MarkContainerSpec, MarkSpec};
 use crate::specs::SceneGraphSpec;
 #[cfg(target_arch = "wasm32")]
 use wasm_bindgen::prelude::*;
@@ -81,7 +74,7 @@ pub async fn run() {
         .expect("Failed to parse scene graph");
 
     // Save to png
-    let mut canvas = WindowCanvas::new(window, origin).await.unwrap();
+    let mut canvas = WindowCanvas::new(window).await.unwrap();
 
     canvas.set_scene(&scene_graph);
 

vega-wgpu-renderer/src/renderers/canvas.rs

@@ -4,14 +4,14 @@ use crate::renderers::rect::RectShader;
 use crate::renderers::rule::RuleShader;
 use crate::renderers::symbol::SymbolShader;
 use crate::renderers::text::TextMarkRenderer;
-use crate::scene::rect::{RectInstance, RectMark};
+use crate::scene::rect::RectMark;
 use crate::scene::rule::RuleMark;
 use crate::scene::scene_graph::{SceneGraph, SceneGroup, SceneMark};
-use crate::scene::symbol::{SymbolInstance, SymbolMark};
+use crate::scene::symbol::SymbolMark;
 use crate::scene::text::TextMark;
 use image::imageops::crop_imm;
 use wgpu::{
-    Adapter, Buffer, BufferAddress, BufferDescriptor, BufferUsages, CommandBuffer, CommandEncoder,
+    Adapter, Buffer, BufferAddress, BufferDescriptor, BufferUsages, CommandBuffer,
     CommandEncoderDescriptor, Device, DeviceDescriptor, Extent3d, ImageCopyBuffer,
     ImageCopyTexture, ImageDataLayout, LoadOp, MapMode, Operations, Origin3d, PowerPreference,
     Queue, RenderPassColorAttachment, RenderPassDescriptor, RequestAdapterOptions, StoreOp,
@@ -49,8 +49,8 @@ pub trait Canvas {
 
     fn add_symbol_mark(&mut self, mark: &SymbolMark) {
         self.add_mark_renderer(MarkRenderer::Geom(GeomMarkRenderer::new(
-            &self.device(),
-            self.uniform().clone(),
+            self.device(),
+            *self.uniform(),
             self.texture_format(),
             self.sample_count(),
             Box::new(SymbolShader::new(mark.shape)),
@@ -60,8 +60,8 @@ pub trait Canvas {
 
     fn add_rect_mark(&mut self, mark: &RectMark) {
         self.add_mark_renderer(MarkRenderer::Geom(GeomMarkRenderer::new(
-            &self.device(),
-            self.uniform().clone(),
+            self.device(),
+            *self.uniform(),
             self.texture_format(),
             self.sample_count(),
             Box::new(RectShader::new()),
@@ -71,8 +71,8 @@ pub trait Canvas {
 
     fn add_rule_mark(&mut self, mark: &RuleMark) {
         self.add_mark_renderer(MarkRenderer::Geom(GeomMarkRenderer::new(
-            &self.device(),
-            self.uniform().clone(),
+            self.device(),
+            *self.uniform(),
             self.texture_format(),
             self.sample_count(),
             Box::new(RuleShader::new()),
@@ -82,9 +82,9 @@ pub trait Canvas {
 
     fn add_text_mark(&mut self, mark: &TextMark) {
         self.add_mark_renderer(MarkRenderer::Text(TextMarkRenderer::new(
-            &self.device(),
-            &self.queue(),
-            self.uniform().clone(),
+            self.device(),
+            self.queue(),
+            *self.uniform(),
             self.texture_format(),
             self.sample_count(),
             mark.instances.clone(),
@@ -257,11 +257,10 @@ pub struct WindowCanvas {
     size: winit::dpi::PhysicalSize<u32>,
     marks: Vec<MarkRenderer>,
     uniform: CanvasUniform,
-    origin: [f32; 2],
 }
 
 impl WindowCanvas {
-    pub async fn new(window: Window, origin: [f32; 2]) -> Result<Self, VegaWgpuError> {
+    pub async fn new(window: Window) -> Result<Self, VegaWgpuError> {
         let size = window.inner_size();
 
         let instance = make_wgpu_instance();
@@ -316,7 +315,6 @@ impl WindowCanvas {
             window,
             uniform,
             marks: Vec::new(),
-            origin,
         })
     }
 
@@ -328,7 +326,7 @@ impl WindowCanvas {
         &self.window
     }
 
-    pub fn resize(&mut self, new_size: winit::dpi::PhysicalSize<u32>) {
+    pub fn resize(&mut self, _new_size: winit::dpi::PhysicalSize<u32>) {
         // if new_size.width > 0 && new_size.height > 0 {
         //     self.size = new_size;
         //     self.config.width = new_size.width;
@@ -433,7 +431,6 @@ pub struct PngCanvas {
     uniform: CanvasUniform,
     width: f32,
     height: f32,
-    origin: [f32; 2],
     pub texture_view: TextureView,
     pub output_buffer: Buffer,
     pub texture: Texture,
@@ -443,7 +440,7 @@ pub struct PngCanvas {
 }
 
 impl PngCanvas {
-    pub async fn new(width: f32, height: f32, origin: [f32; 2]) -> Result<Self, VegaWgpuError> {
+    pub async fn new(width: f32, height: f32) -> Result<Self, VegaWgpuError> {
         let instance = make_wgpu_instance();
         let adapter = make_wgpu_adapter(&instance, None).await?;
         let (device, queue) = request_wgpu_device(&adapter).await?;
@@ -509,7 +506,6 @@ impl PngCanvas {
             width,
             height,
             uniform,
-            origin,
             texture,
             texture_view,
             output_buffer,
@@ -620,7 +616,7 @@ impl PngCanvas {
         };
 
         self.output_buffer.unmap();
-        Ok((img))
+        Ok(img)
     }
 }
 

vega-wgpu-renderer/src/renderers/mark.rs

@@ -1,6 +1,5 @@
 use crate::renderers::canvas::CanvasUniform;
 use crate::renderers::vertex::Vertex;
-use crate::scene::rect::RectInstance;
 use wgpu::util::DeviceExt;
 use wgpu::{CommandBuffer, Device, TextureFormat, TextureView};
 
@@ -17,13 +16,10 @@ pub trait MarkShader {
 pub struct GeomMarkRenderer {
     render_pipeline: wgpu::RenderPipeline,
     vertex_buffer: wgpu::Buffer,
-    num_vertices: u32,
     index_buffer: wgpu::Buffer,
     num_indices: u32,
     instance_buffer: wgpu::Buffer,
     num_instances: u32,
-    uniform_buffer: wgpu::Buffer,
-    uniform: CanvasUniform,
     uniform_bind_group: wgpu::BindGroup,
 }
 
@@ -126,7 +122,6 @@ impl GeomMarkRenderer {
             contents: bytemuck::cast_slice(mark_shader.verts()),
             usage: wgpu::BufferUsages::VERTEX,
         });
-        let num_vertices = mark_shader.verts().len() as u32;
 
         let index_buffer = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
             label: Some("Index Buffer"),
@@ -145,13 +140,10 @@ impl GeomMarkRenderer {
         Self {
             render_pipeline,
             vertex_buffer,
-            num_vertices,
             index_buffer,
             num_indices,
             instance_buffer,
             num_instances,
-            uniform_buffer,
-            uniform,
             uniform_bind_group,
         }
     }
@@ -190,6 +182,6 @@ impl GeomMarkRenderer {
             render_pass.draw_indexed(0..self.num_indices, 0, 0..self.num_instances);
         }
 
-        return mark_encoder.finish();
+        mark_encoder.finish()
     }
 }

vega-wgpu-renderer/src/renderers/rect.rs

@@ -10,6 +10,12 @@ pub struct RectShader {
     fragment_entry_point: String,
 }
 
+impl Default for RectShader {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl RectShader {
     pub fn new() -> Self {
         Self {

vega-wgpu-renderer/src/renderers/rule.rs

@@ -10,6 +10,12 @@ pub struct RuleShader {
     fragment_entry_point: String,
 }
 
+impl Default for RuleShader {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl RuleShader {
     pub fn new() -> Self {
         Self {

vega-wgpu-renderer/src/renderers/symbol.rs

@@ -137,7 +137,7 @@ impl SymbolShader {
             SymbolShape::Triangle => {
                 let r = 0.5;
                 let h = r * sqrt3 / 2.0;
-                let o = (h - r * tan30);
+                let o = h - r * tan30;
                 Self {
                     verts: vec![
                         Vertex {
@@ -279,7 +279,7 @@ impl SymbolShader {
             SymbolShape::Wedge => {
                 let r = 0.5;
                 let h = r * sqrt3 / 2.0;
-                let o = (h - r * tan30);
+                let o = h - r * tan30;
                 let b = r / 4.0;
                 Self {
                     verts: vec![

vega-wgpu-renderer/src/renderers/text.rs

@@ -1,8 +1,6 @@
 use crate::renderers::canvas::CanvasUniform;
-use crate::renderers::mark::MarkShader;
 use crate::scene::text::TextInstance;
 use crate::specs::text::{FontWeightNameSpec, FontWeightSpec, TextAlignSpec, TextBaselineSpec};
-use glyphon::cosmic_text::Align;
 use glyphon::{
     Attrs, Buffer, Color, Family, FontSystem, Metrics, Resolution, Shaping, SwashCache, TextArea,
     TextAtlas, TextBounds, TextRenderer, Weight,
@@ -30,12 +28,12 @@ impl TextMarkRenderer {
         sample_count: u32,
         instances: Vec<TextInstance>,
     ) -> Self {
-        let mut font_system = FontSystem::new();
-        let mut cache = SwashCache::new();
+        let font_system = FontSystem::new();
+        let cache = SwashCache::new();
         let mut atlas = TextAtlas::new(device, queue, texture_format);
-        let mut text_renderer = TextRenderer::new(
+        let text_renderer = TextRenderer::new(
             &mut atlas,
-            &device,
+            device,
             MultisampleState {
                 count: sample_count,
                 mask: !0,
@@ -106,7 +104,7 @@ impl TextMarkRenderer {
             .iter()
             .zip(&self.instances)
             .map(|(buffer, instance)| {
-                let (width, height) = measure(&buffer);
+                let (width, height) = measure(buffer);
 
                 let left = match instance.align {
                     TextAlignSpec::Left => instance.position[0],
@@ -125,7 +123,7 @@ impl TextMarkRenderer {
                 };
 
                 TextArea {
-                    buffer: &buffer,
+                    buffer,
                     left,
                     top,
                     scale: 1.0,
@@ -146,8 +144,8 @@ impl TextMarkRenderer {
 
         self.text_renderer
             .prepare(
-                &device,
-                &queue,
+                device,
+                queue,
                 &mut self.font_system,
                 &mut self.atlas,
                 Resolution {
@@ -166,7 +164,7 @@ impl TextMarkRenderer {
             let mut pass = encoder.begin_render_pass(&RenderPassDescriptor {
                 label: None,
                 color_attachments: &[Some(RenderPassColorAttachment {
-                    view: &texture_view,
+                    view: texture_view,
                     resolve_target,
                     ops: Operations {
                         load: wgpu::LoadOp::Load,